JP2002044627A - Projector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically operate a projector according to a predetermined schedule. SOLUTION: A schedule control circuit 130 generates various operation requests for a projection display control device 100, in accordance with a predetermined schedule information. The schedule control circuit 130 monitors time information inputted from a clock 132 at all times. If a schedule information is set for an inputted time information, an operation request is generated according to the set schedule information, which is transmitted to the projection display control device 100 (control circuit 110). The control circuit 110, based on the operation request, transmits, for example, a content acquiring request to a video reproducing a device control circuit 140, and makes a projection display processing circuit 120 project the acquired content.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a projector for projecting and displaying an image and a method for managing the operation of the projector.

[0002]

2. Description of the Related Art A window display for adding an image using a projector at the time of display of goods, advertisement of goods, etc. in a show window has been put to practical use. In this technique, a transparent image is projected on a show window by projecting the image on a transparent screen pasted on the show window.

[0003]

However, in a conventional window display using a projector,
For example, a store clerk needs to turn on the power of the projector and VCR at the time of opening the store and start projecting images, and at the time of closing the store, it is necessary to turn off the power of the projector and VCR to end the projection of the images. Further, when changing the projection video source, it is necessary to switch the video source by going to a place near a device such as a VCR.

Although it is possible to turn on and off the power of the projector at a predetermined time by using an external timer, solidarity with a video deck or the like, switching of a video source, etc. are still realized by using an external timer. Could not.

[0005] The present invention has been made to solve the above problem, and has as its object to automatically operate a projector according to a predetermined schedule. It is another object of the present invention to automatically start a projector according to a predetermined schedule, project a video, switch a video source, and terminate the video source.

[0006]

Means for Solving the Problems and Action / Effect thereof To solve the above problems, a first aspect of the present invention provides a projector that automatically starts up at a predetermined time to reproduce contents. A projector according to a first aspect of the present invention includes a content acquisition device that acquires the content, a projection display device that projects and displays the acquired content, a clock device that constantly generates time information, and a clock device that constantly generates time information. A schedule control device that controls the operations of the content acquisition device and the projection display device according to predetermined operation schedule information based on the time information.

According to the projector according to the first aspect of the present invention, the operation of the projector can be automatically controlled according to a predetermined schedule.

In the projector according to the first aspect of the present invention, the predetermined operation schedule information may include content acquisition schedule information by the content acquisition device, activation schedule information of the projection display device, and end schedule information. . When such a configuration is provided, it is possible to automatically start the projector, project the video, switch the content, and end the content.

[0009] In the projector according to the first aspect of the present invention, the projection display device has a projection light source, and the start schedule information of the projection display device is such that the light source reaches a luminance required for projection. May be information that takes into account the time required for the information. When having such a configuration,
Projection can be started according to a schedule set in consideration of the activation time lag of the light source.

In the projector according to the first aspect of the present invention, the predetermined operation schedule information includes a schedule for changing an enlargement ratio of a content projected by the projection display device, and a content projected by the projection display device. At least one of the brightness change schedules may be included. The predetermined operation schedule information may include a schedule for switching between rear projection and front projection. When these configurations are provided, the projection mode of the content can be changed based on the schedule.

In the projector according to the first aspect of the present invention, the projector is connected to a video signal providing device that provides a video signal as the content,
The content acquisition device includes a video signal provision device control device that controls the video signal provision device, and a video signal acquisition device that acquires the video signal provided by the video signal provision device, and the projection display device A projection video may be generated based on the obtained video signal and projected and displayed. With such a configuration, the operation of the video signal providing device can be controlled via the video signal providing device control device of the content acquisition device. The video signal provided by the video signal providing device is an analog video signal.

In the projector according to the first aspect of the present invention, the video signal providing device further provides an audio signal, and the content obtaining device obtains the audio signal provided by the video signal providing device. A signal acquisition device, and the projector may include an audio output device that outputs the acquired audio signal. When such a configuration is provided, audio can be output in addition to video.

[0013] In the projector according to the first aspect of the present invention, the projector is connected to a video data providing device that provides video data as the content, and the content acquisition device controls the video data providing device. A video data providing device control device, and a video data obtaining device that obtains the video data provided by the video data providing device, wherein the projection display device generates a display video based on the obtained video data. , May be projected and displayed. With such a configuration, the operation of the video data providing device can be controlled via the video data providing device control device of the content acquisition device. The video data provided by the video data providing device is digital video data.

[0014] In the projector according to the first aspect of the present invention, the video data providing device further provides audio data, and the video data obtaining device of the content obtaining device obtains the provided audio data. The projector may include an audio output device that generates and outputs an output audio based on the acquired audio data.
With such a configuration, audio data can be output in addition to video data.

[0015] In the projector according to the first aspect of the present invention, the projector is connected to a content server that provides the content via a network line, and the content acquisition device is connected to the content server through the network line. A network connection device for requesting the transmission of the content and receiving the content transmitted from the content server, wherein the projection display device generates a display image based on the received content, The generated display image may be projected and displayed. With such a configuration, various contents provided via the network line can be projected and displayed based on the schedule information.

In the projector according to the first aspect of the present invention, the content includes at least one of still image data and moving image data, and the projection display device activates an application program suitable for the data. The display image may be generated based on the data. When such a configuration is provided, various video display modes can be realized by data and an application program in addition to the scheduling performed by the schedule control device.

In the projector according to the first aspect of the present invention, the content includes audio data, and the projector generates an output audio based on the audio data in the content, and the generated audio is generated. And a sound processing device that outputs the output sound. With such a configuration, audio data included in the content can be output.

In the projector according to the first aspect of the present invention, the predetermined operation schedule information may further include content acquisition destination change schedule information for changing an acquisition destination of the content by the content acquisition device. When such a configuration is provided, more contents can be obtained.

A second aspect of the present invention provides a projector operation management method. A projector operation management method according to a second aspect of the present invention continuously generates time information, acquires an operation schedule of the projector associated with time information, and generates the generated time information and the acquired time information. Activating the projector based on the operation schedule obtained, acquiring the content to be projected and displayed by the projector, and causing the projector to project and display the acquired content based on the generated time information and the acquired operation schedule. ,
The projector is terminated based on the generated time information and the acquired operation schedule.

According to the operation management method for a projector according to the second aspect of the present invention, the projector is automatically activated according to a predetermined schedule, and an image is projected.
The video source can be switched and terminated.

In the projector operation management method according to the second aspect of the present invention, the content may be a video signal supplied from an external video signal providing device. The content may be obtained from a content server connected via a network line, and the content may be at least one of still image data and moving image data. When these configurations are provided, it is possible to expand the content acquisition source,
Various images can be projected and displayed.

In the projector operation management method according to the second aspect of the present invention, the content may further include audio data. When such a configuration is provided, audio can be output. Further, the content acquisition destination may be switched based on the generated time information and the acquired operation schedule. When such a configuration is provided, it is possible to appropriately change the acquisition source of the content, so that various images can be projected.

A third aspect of the present invention provides a projector that automatically starts up at a predetermined time to reproduce contents. A projector according to a third aspect of the present invention includes: a content acquisition unit that acquires the content; a projection display unit that projects and displays the acquired content; a clock device that constantly generates time information; And a schedule control unit that controls the operations of the content acquisition unit and the projection display unit based on predetermined operation schedule information based on the time information.

According to the projector according to the third aspect of the present invention, the same function and effect as those of the projector according to the first aspect of the present invention can be obtained.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a projector according to the present invention will be described based on embodiments with reference to the drawings in the following order. A. Window using the projector according to the present embodiment
Configuration example of display system B. Configuration and basic operation of projector according to the present embodiment Schedule processing in the projector according to the present embodiment

A. Configuration Example of a Window Display System Using a Projector According to the Present Embodiment A configuration example of a window display system using a projector according to the present invention will be described with reference to FIG. FIG. 1 is an explanatory diagram showing a configuration example of a window display system WS to which a projector according to the present invention can be applied.

Window display system WS
Comprises a projector 10, a show window SW, a translucent screen 20, and a content source 30. The projector 10 is suspended from the ceiling behind the shop window SW (inside the store) and installed.
A transparent screen 20 for transparently projecting an image from the projector 10 is attached to the back surface (inside the store) of the shop window SW. That is, in the window display system, the projection image of the projector 10 is displayed not as a reflection image but as a transmission image.

The projector 10 has a network line N
L, a video cassette recorder (video reproduction device) 31 and a personal computer 32 which are connected to a content server (not shown) arranged on a network via a signal line and a control line, and are locally arranged via signal lines and control lines. Is connected to the content source 30.

The content supplied to the projector 10 via the network line NL is data in a format associated with various application programs, and may include moving image data, still image data, and audio data. These data are stored in the projector 1
After being analyzed at 0, it is projected and displayed as a display image and output as output audio.

From the content source 30 to the projector 1
The contents supplied for 0 are analog video signals such as NTSC signals and analog RGB signals, analog signals such as analog audio signals, or digital data such as digital RGB data and digital audio data. Although the video cassette recorder 31 and the personal computer 32 have been illustrated as the content sources 30, a DVD player, an L
D player, hard disk type video recorder, CD-
It goes without saying that a ROM player or the like can be used.

The transmissive screen 20 is a screen utilizing the principle of a diffraction grating, and transmits light which is perpendicularly incident on the screen surface and is incident obliquely downward or obliquely onto the screen surface. The light has a configuration to be refracted. Therefore, light corresponding to an image projected obliquely from the projector 10 to the transmission screen 20 forms an image on the transmission screen 20.

B. Next, a configuration and a basic operation of the projector according to the embodiment will be described with reference to FIG.
Will be described. FIG. 2 is a block diagram conceptually showing the configuration of the projector 10 according to the present embodiment.

The projector 10 includes a projection display control device 10 including a control circuit 110 and a projection display processing circuit 120.
0, a schedule control circuit 130, a video playback device control circuit 140, a network connection circuit 150, and an audio processing circuit 160. The control circuit 110 is connected to the projection display processing circuit 120, the schedule control circuit 130, the video playback device control circuit 140, the network connection circuit 150, and the audio processing circuit 160. The video playback device control circuit 140 is connected to the projection display processing circuit 120 and the audio processing circuit 160.

The control circuit 110 is a circuit for controlling various operations of the projector 10, and stores a central processing unit (CPU) 111 for executing various arithmetic processing, various application programs executed by the CPU 111, and the like. A read-only memory (ROM) 112 and a random access memory (RAM) 113 for temporarily storing acquired data, calculation results of the CPU 111, and the like are provided. In the present embodiment, the ROM 112 stores the projector 1
In addition to the operation control program 0, various application programs and viewer programs suitable for analyzing data in various formats distributed via the network line NL are stored. Control circuit 110
Analyzes the content supplied via the network connection circuit 150 by an appropriate application program, and generates digital video data and an output audio signal.

The projection display processing circuit 120 performs analog-digital conversion processing, decoding processing, synchronization signal separation processing,
Executes processing such as image processing. Projection display processing circuit 1
20 converts an analog image signal input from the video reproduction device control circuit 140 into digital image data, and writes the converted digital image data into a frame memory (not shown) in the projection display processing circuit 120 in synchronization with a synchronization signal. Alternatively, the digital video data written in the frame memory is read from the frame memory. As the analog image signal, for example, an RGB signal output from a personal computer, a composite image signal output from a video tape recorder or the like is input. When the analog image signal is a composite image signal, the projection display processing circuit 120 demodulates the composite image signal and separates the composite image signal into a component video signal composed of three color signals of RGB and a synchronizing signal. Is converted to digital video data. R when analog image signal is output from personal computer
In the case of the GB signal, since the signal is originally input as the component video signal and the synchronization signal is also input separately, the separation processing is unnecessary, and the projection display processing circuit 120 converts the component video signal into digital video data. .

When the content source 30 outputs a digital video signal, the projection display processing circuit 120
From the content source 30 to the video playback device control circuit 140
, A digital video signal is input. Further, the digital video signal generated in the control circuit 110 is also input. In such a case, the analog signal is originally input as a digital image signal and the synchronizing signal is separately supplied, so that analog-digital conversion processing and separation processing are unnecessary.

The projection display processing circuit 120 drives an LCD (not shown) in accordance with the generated or acquired video data, modulates illumination light emitted from a light source (not shown), and controls a projection optical system including a lens. Through the transparent screen 2
The image is projected and displayed on 0.

The schedule control circuit 130 controls the projection display control device 10 in accordance with schedule information set in advance.
This is a circuit that generates various operation requests for 0, and includes a one-chip microcomputer 131 that stores schedule information and generates an operation request based on the schedule information. A clock 132 that constantly generates time information is connected to the schedule control circuit 130, and the one-chip microcomputer 131 constantly monitors the input time information. If schedule information is set for the input time information, the one-chip microcomputer 1
31 generates an operation request in accordance with the set schedule information, and outputs the operation request to the projection display control device 100 (the control circuit 11).
0). The power from the external power supply EP is supplied to the projection display control device 100 via the schedule control circuit 130.
And the schedule control circuit 13
0 is always supplied.

The video playback device control circuit 140 is connected to the video playback device 31, which is the external content source 30, via control terminals and signal lines via connection terminals 142. The video reproduction device control circuit 140 activates the video reproduction device 31 in the standby state according to the request of the control circuit 110 of the projection display control device 100, and reproduces the video / audio recorded on the video recording medium such as a video cassette and a DVD. To play. A control signal for controlling the video playback device 31 is sent from the video playback device control circuit 140 to the video playback device 31 via a control line. The video signal and the audio signal reproduced by the video reproduction device 31 are input to the video reproduction device control circuit 140 via a signal line, the video signal is transmitted to the projection display processing circuit 120, and the audio signal is transmitted to the audio processing circuit 160. Is done. In the above description, the video playback device 31 is used as the content source 30. However, it goes without saying that the same processing is executed when the content source 30 such as the personal computer 32 is used. The connection terminal 142 of the video playback device control circuit 140 has both functions of an analog interface and a digital interface, and receives analog video signals, analog audio signals, digital video data, Any of the data can be obtained.

The network connection circuit 150 is connected to the content server CS arranged on the network via the network line NL.
0 is a circuit that mediates a communication procedure between the content server CS and the content server CS. The network connection circuit 150 sends a request for transmitting desired content to the content server CS in accordance with a request from the control circuit 110 of the projection display control device 100. The content transmitted from the content server CS is transmitted to the control circuit 1 via the network connection circuit 150.
It is sent to 10. The control circuit 110 activates an application program suitable for analyzing (reproducing) content, generates video data and audio data, and sends the video data to the projection display processing circuit 120 and the audio data to the audio processing circuit 160. .

The audio processing circuit 160 is connected to the speaker 162, and drives the speaker 162 by a drive signal generated based on an audio signal transmitted from the video playback device control circuit 140 or sound data transmitted from the control circuit 110. Drive.

C. Schedule Process in Projector According to Embodiment Next, a schedule process executed in the projector 10 according to the embodiment will be described with reference to FIGS. FIG. 3 is a flowchart showing a processing routine of a schedule process executed in the schedule control circuit 130. FIG. 4 is a flowchart showing a processing routine of the content acquisition processing executed in the control circuit 110. FIG. 5 is a flowchart showing a processing routine of a termination process executed in the control circuit 110.

The one-chip microcomputer 131 of the schedule control circuit 130 monitors the time information sent from the clock 132 to monitor whether or not the power-on timing has occurred (step S100: No). That is, it waits until the time to turn on the power based on the preset schedule information. One-chip microcomputer 131
If it is determined that the power-on timing has occurred (step S100: Yes), the power supply to the control circuit 110 is turned on (step S110). The power-on timing considers beforehand the time lag from when the power is turned on until a light source (not shown) reaches the projection luminance, and the projection is started at the projection luminance at the required time according to the schedule. You. Here, the control circuit 110 and the other circuits 120, 140, 150, and 160 are connected by a power supply line (not shown), and the control circuit 110 receives power from the other circuits 120, 140,
Power is also supplied to 150 and 160. Further, the projection display processing circuit 120 turns on a light source (not shown) in response to power supply.

The one-chip microcomputer 131 outputs the clock 1
32, until the event execution timing occurs based on the time information generated by the H.32 and the predetermined schedule information (step S120: No), and when it is determined that the event execution timing has occurred (step S1)
20: Yes), it is determined whether or not the event to be executed is power off (step S130). If it is determined that the event to be executed is not power off (step S130: No), the control circuit 110 requests the control circuit 110 to execute the event to be executed (step S140), and returns to the process of step S120. As an event other than power off, for example, when acquisition of content is requested,
The one-chip microcomputer 131 sends a content acquisition request to the control circuit 110 to acquire the content to be projected and displayed. The content acquisition request may include information related to the content acquisition source in addition to the simple content acquisition request. The content acquisition processing executed by the control circuit 110 in response to the content acquisition request will be described later.

For events other than power off, in addition to content acquisition, switching of content acquisition destination, pause of projection display, repetitive projection display of content, change of enlargement ratio of projection content, front projection and rear projection Switching, change of the projection brightness of the content, and the like. By defining such switching and change according to a schedule, various projection modes can be provided.

If the one-chip microcomputer 131 determines that the event to be executed is power off (step S130: Yes), the one-chip microcomputer 131 sends an end processing request to the control circuit 110 to end the processing being executed. (Step S150). Finally, the one-chip microcomputer 131 turns off the power supply to the control circuit 110 (step S16).
0), end this processing routine.

Next, the content acquisition processing executed by the control circuit 110 will be described with reference to FIG.

After receiving the content acquisition request from the schedule control circuit 130, the CPU 111 of the control circuit 110 determines whether or not the content acquisition destination is the video reproduction device 31 (step S200). In this determination, for example, it may be determined whether or not the video playback device 31 is connected, or whether or not the video playback device 31 is connected to the network line NL, and the connected side may be set as a content acquisition destination. Alternatively, the content acquisition destination may be defined in the predetermined schedule information, and the content acquisition destination may be determined based on the content acquisition destination information transmitted together with the content acquisition request. In the following description, it is assumed that the content acquisition destination is determined based on the content acquisition destination information included in the content acquisition request.

If the CPU 111 determines that the content acquisition destination is the video reproduction device 31 based on the content acquisition destination information (step S200: Yes), the video reproduction device 31 is transmitted via the video reproduction device control circuit 140. It is determined whether or not the power supply is turned on (step S2).
10). If the CPU 111 determines that the power of the video playback device 31 is not turned on (step S21)
0: No), and requests the video playback device control circuit 140 to turn on the power of the video playback device 31 (step S220). On the other hand, the CPU 111
If it is determined that the power supply No. 1 is turned on (step S210: Yes), step S220 is skipped and the process of step S230 is executed.

The CPU 111 controls the video playback device control circuit 1
It requests the video reproduction device 31 to reproduce video and audio in the video reproduction device 31 (step S230), and exits to NEXT. The video and audio reproduced by the video reproduction device 31 are input to the video reproduction device control circuit 140 as video and audio signals, and the video signal is transmitted to the projection display processing circuit 12.
To 0, the audio signal is sent to the audio processing circuit 160.

If the CPU 111 determines that the content acquisition destination is not the video reproduction device 31 based on the content acquisition destination information (step S200: No), it requests the content server CS to transmit the desired content. Exit to NEXT. The content server CS
The requested content is transmitted to the projector 10 via the network line NL. The content transmitted from the content server CS is transmitted to the network connection circuit 15.
0 is input to the control circuit 110. Control circuit 11
0, the contents are analyzed by an appropriate application to generate digital video data and digital audio data, and the digital video data is transmitted to the projection display processing circuit
0, and the digital audio data is sent to the audio processing circuit 16.
Send to 0.

The projection display processing circuit 120 projects the display image obtained through the above-described processing on the screen 20. Further, the audio processing circuit 160 outputs audio via the speaker 162 through the above-described processing.

Next, referring to FIG. 5, a description will be given of an end process executed by the control circuit 110 when an end process request is issued by the schedule control circuit 130.

When the CPU 111 of the control circuit 110 receives the end processing request from the schedule control circuit 130,
Video playback device 31 via video playback device control circuit 140
It is determined whether or not the power supply is turned on (S30).
0). When the CPU 111 determines that the power of the video reproduction device 31 is turned on (step S300: Y
es), requests the video playback device control circuit 140 to turn off the power of the video playback device 31 (step S)
310). On the other hand, if the CPU 111 determines that the power of the video reproduction device 31 is not turned on (step S300: No), the process skips step S310 and shifts to the process of step S320.

The CPU 111 includes circuits 120, 130,
A request is made to 140, 150, and 160 to end the processing being executed (step S320), and this processing routine ends.

As described above, the projector 10 according to the present embodiment includes the schedule control circuit 130, and can control the projection display control device 100 based on predetermined schedule information. Therefore, by using the start time, end time, and information of the content to be projected of the projector 10 as the schedule information, the projector 10 can be automatically operated from the start to the end. Also, the video playback device control circuit 1
Since the start, reproduction, and end operations of the video reproduction device 31 can also be controlled by the control unit 40, unlike the related art, the video projection by the projector 10 can be realized without any involvement of the operator.

Further, the projector 10 can be connected to the network line NL and the content source 30
Can be connected to various content sources 30 irrespective of whether an analog signal or a digital signal is output, so that a desired image can be projected. Also, by including the switching information of the content supply destination in the schedule information, it is possible to easily project the various contents.

Although the projector according to the present invention has been described based on some embodiments of the present invention, the above-described embodiments of the present invention are for facilitating the understanding of the present invention. It does not limit the invention. The present invention can be modified and improved without departing from the spirit and scope of the claims, and it is needless to say that the present invention includes equivalents thereof.

For example, in the above embodiment, the schedule control circuit 130 is described as an independent circuit for easy understanding, but it may be configured to be included in the control circuit 110.

In the above embodiment, the control circuit 110 and the projection display processing circuit 120 are described as separate circuits included in the projection display control device 100 for easy understanding. May be realized.

In the above embodiment, the switching of the content is executed based only on the request from the schedule control circuit 130, but the content supplied from the content server CS via the network line NL is provided with a scheduling function. Is also good. In such a case, the content having the scheduling function is reproduced by the control circuit 110 via the application program, so that the schedule control circuit 130
Only the on / off control of the control signal needs to be executed. In addition, it is possible to project continuous playback content suitable for the purpose, and the projection mode can be further extended.

In the above embodiment, the case where the projector according to the present invention is applied to a window screen system has been described. However, the present invention is not limited to this, and the projector can be used alone or applied to other systems. it can.

In the schedule for changing the projection brightness of the content in the above embodiment, when the projection brightness of the projector is low, the time when the surrounding brightness can be projected at the projection brightness of such a projector is set. You may leave. When such a configuration is provided, the content can be appropriately projected using the schedule function.

In the above embodiment, the video signal is obtained from the video reproducing device 31 provided externally. For example, in the case of a projector which can be provided with a storage medium such as an internal memory or a memory card, the internal memory is used. Alternatively, the content may be stored in a memory card or the like, acquired as necessary, and reproduced.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a configuration example of a window display system WS to which a projector according to the present invention can be applied.

FIG. 2 is a block diagram conceptually showing a configuration of a projector 10 according to the embodiment.

FIG. 3 is a flowchart illustrating a processing routine of a schedule process executed in a schedule control circuit;

FIG. 4 is a flowchart showing a processing routine of a content acquisition process executed in a control circuit 110;

FIG. 5 is a flowchart showing a processing routine of an end process executed in the control circuit 110;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Projector 20 ... Screen 30 ... Content source 31 ... Video reproduction device 32 ... Personal computer 100 ... Projection display control device 110 ... Control circuit 111 ... CPU 112 ... ROM 113 ... RAM 120 ... Projection display processing circuit 130 ... Schedule control circuit 131 ... one-chip microcomputer 132 ... clock 140 ... video playback device control circuit 142 ... connection terminal 150 ... network connection circuit 160 ... audio processing circuit 162 ... speaker SW ... show window WS ... window screen system CS ... content server EP ... external power supply

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) // G09G 5/00 530

Claims (19)

[Claims] 1. A projector for automatically starting and playing back content at a predetermined time, comprising: a content acquisition device for acquiring the content; a projection display device for projecting and displaying the acquired content; A projector, comprising: a clock device that generates time information; and a schedule control device that controls operations of the content acquisition device and the projection display device according to predetermined operation schedule information based on the generated time information. 2. The projector according to claim 1, wherein the predetermined operation schedule information includes content acquisition schedule information of the content acquisition device, activation schedule information of the projection display device, and end schedule information. Projector. 3. The projector according to claim 2, wherein the projection display device has a projection light source, and the activation schedule information of the projection display device is provided so that the light source reaches a luminance required for projection. A projector characterized in that the information is information considering necessary time. 4. The projector according to claim 2, wherein the predetermined operation schedule information includes a change schedule of an enlargement ratio of a content projected by the projection display device, and a change schedule of the content projected by the projection display device. A projector including at least one of a brightness change schedule. 5. The projector according to claim 2, wherein the predetermined operation schedule information includes a schedule for switching between rear projection and front projection. 6. The projector according to claim 1, wherein the projector is connected to a video signal providing device that provides a video signal as the content, and the content acquisition device is A video signal providing device control device that controls the video signal providing device; and a video signal obtaining device that obtains the video signal provided by the video signal providing device, wherein the projection display device is configured based on the obtained video signal. A projector that generates a projected image and displays the projected image. 7. The projector according to claim 6, wherein the video signal providing device further provides an audio signal, and the content obtaining device obtains the audio signal provided by the video signal providing device. An acquisition device, wherein the projector includes an audio output device that outputs the acquired audio signal. 8. The projector according to claim 1, wherein the projector is connected to a video data providing device that provides video data as the content, and the content acquisition device is a video data providing device. A video data providing device controlling device, and a video data obtaining device for obtaining the video data provided by the video data providing device, wherein the projection display device displays a video based on the obtained video data. And a projector for generating and projecting the image. 9. The projector according to claim 8, wherein the video data providing device further provides audio data, and the video data obtaining device of the content obtaining device includes:
The projector further comprising: acquiring the provided audio data; wherein the projector includes an audio output device that generates and outputs an output audio based on the acquired audio data. 10. The projector according to claim 1, wherein the projector is connected to a content server that provides the content via a network line, and the content acquisition device is connected to the network. A network connection device for requesting the content server to transmit the content via a line and receiving the content transmitted from the content server, wherein the projection display device displays based on the received content. A projector which generates an image and projects and displays the generated display image. 11. The projector according to claim 10, wherein the content includes at least one of still image data and moving image data, and the projection display device activates an application program suitable for the data. A projector for generating the display image based on the data. 12. The projector according to claim 11, wherein the content includes audio data, and the projector generates an output audio based on the audio data in the content, and the generated audio is generated. A projector comprising an audio processing device for outputting an output audio. 13. The projector according to claim 1, wherein the predetermined operation schedule information further includes content acquisition destination change schedule information for changing an acquisition destination of the content by the content acquisition device. A projector characterized by including. 14. An operation management method for a projector, wherein time information is continuously generated, an operation schedule of the projector associated with time information is obtained, and the generated time information and the obtained operation are obtained. Activating the projector based on a schedule, acquiring the content to be projected and displayed by the projector, projecting and displaying the acquired content on the projector based on the generated time information and the acquired operation schedule, A projector operation management method for terminating the projector based on the generated time information and the acquired operation schedule. 15. The projector operation management method according to claim 14, wherein the content is a video signal supplied from an external video signal providing device. 16. The projector operation management method according to claim 14, wherein the content is obtained from a content server connected via a network line, and the content is a still image data and a moving image. An operation management method for a projector, characterized by at least one of data. 17. The projector operation management method according to claim 16, wherein the content further includes audio data. 18. The operation management method for a projector according to claim 14, further comprising: switching an acquisition destination of the content based on the generated time information and the obtained operation schedule. An operation management method for a projector, comprising: 19. A projector for automatically starting up and playing back content at a predetermined time, comprising: content acquisition means for acquiring the content; projection display means for projecting and displaying the acquired content; A projector comprising: a clock device that generates time information; and a schedule control unit that controls operations of the content acquisition unit and the projection display unit according to predetermined operation schedule information based on the generated time information.