JP2004096416A - Portable electronic device and azimuth measuring result display program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To measure an azimuth easily to display the measured result on a screen, if necessary. <P>SOLUTION: The portable electronic device contains a built-in electron compass. When a specified key on the device is pressed, an azimuth measured by the electron compass is displayed on a display screen with diagrammatic expression such as a compass, while a displayed color of the background is changed corresponding to the measured azimuth. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a mobile electronic device such as a mobile phone or an electronic dictionary, and more particularly to a technique for displaying a direction measured by an electronic compass mounted on the mobile electronic device.
[0002]
[Prior art]
In recent years, mobile phones, a type of mobile electronic device, have become increasingly popular, and most people carry and use them on a daily basis. Functions are being installed. On the other hand, when searching for a predetermined place, getting lost, going to a picnic, etc., the number of cases where a compass is carried is increasing. Cellular phones equipped with a measurement function are also widely used.
[0003]
[Problems to be solved by the invention]
However, even if an information device such as a mobile phone has an azimuth measurement function, the information display and the azimuth measurement display are independent functions, and the azimuth is always displayed or the information display mode is changed based on the measured azimuth. Nothing had the function to reflect it.
[0004]
The present invention has been made to solve the above-described conventional problems, and an object of the present invention is to provide a portable electronic device capable of easily measuring an azimuth when necessary and presenting the measurement result, and an azimuth measurement result. The purpose is to provide a display program.
[0005]
[Means for Solving the Problems]
The means of the present invention are as follows.
[0006]
The invention according to claim 1, wherein an azimuth measuring means for measuring an azimuth, an information display means for displaying information, and a changing means for changing a display mode of the information display means based on the azimuth measured by the azimuth measuring means. And characterized in that:
[0007]
According to the invention, when the azimuth is measured, the display mode, for example, the standby screen is changed to the azimuth measurement result display screen and displayed based on the measured azimuth.
[0008]
The invention according to claim 2 further includes a display color information storage unit according to claim 1, wherein display color information that can be displayed by the information display unit and an azimuth that can be measured by the azimuth measurement unit are stored in association with each other. The changing means reads corresponding display color information from the display color information storage means based on the azimuth measured by the azimuth measuring means, and changes the display mode of the information display means. .
[0009]
According to the above invention, based on the measured azimuth, the corresponding display color information is read and the display mode is changed. For example, the display color is changed such that the direction is displayed in blue if the direction is north, but is displayed in yellow if the direction is east. .
[0010]
According to a third aspect of the present invention, in the second aspect, the display color information storage unit associates a display color of information displayed on the information display unit with a background color of the information, and It is stored together with the azimuth that can be measured by.
[0011]
According to the invention, the display color of the information such as the displayed azimuth and the background color of the information are stored in association with each other, and also stored in association with the measured azimuth.
[0012]
According to a fourth aspect of the present invention, in any one of the first to third aspects, the information displayed on the information display means is an azimuth measurement result.
[0013]
The invention according to claim 5 is a program having an azimuth measuring function and being executed by a computer having portability, wherein a program code for executing azimuth measurement and a display color of a display unit are determined based on the measured azimuth. And a program code to be changed.
[0014]
According to the invention, the azimuth measurement result display program is copied and recorded on a recording medium such as a CD-ROM, and is distributed to the market or transmitted over a network. It is realized that the portable electronic device in which this program is installed performs an operation of changing the display color of the display unit based on the measured azimuth.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view and a rear view showing an external configuration example of a mobile phone according to a first embodiment of the present invention. FIG. 1A is a plan view of the mobile phone. The mobile phone 1 includes a color liquid crystal display unit 11 for displaying various information such as figures and images, a key operation unit 12 for inputting various information and giving function instructions, a microphone 13 for collecting transmission voice, and a reception voice. It has a speaker 14 for outputting, a notification LED 15 for notifying an incoming call or a warning, an antenna 16 for communication corresponding to a frequency band used in a portable wireless protocol, and a high-intensity directional light 17 for illumination. Reference numeral 121 of the key operation unit 12 is an azimuth measurement key outside the center key C, and reference numeral 122 is a HOLD key for returning the screen of the display unit 11 to the original setting screen. FIG. 1B is a rear view of the mobile phone, and has a notification speaker 18 that outputs a ringtone and a warning sound.
[0016]
FIG. 2 is a circuit diagram showing a circuit configuration example of the mobile phone 1 shown in FIG. The circuit of the mobile phone 1 stores various data necessary for the wireless communication terminal and a control unit 21 that controls various operations and the entire operation of the mobile phone 1 and stores data necessary for the control unit 21 to operate. A system ROM 23 for storing various programs for controlling the control unit 21, a key input unit 24 for inputting key press information of the key operation unit 12, a display driver 25 for driving the display unit 11 to display various information, A base station (not shown) via a sound source circuit unit 26 that generates various audio signals and outputs them from the notification speaker 18, a notification LED 15, a driver 28 that drives a vibration generator 27 that notifies an incoming call by vibration, and an antenna 16 A wireless transmitting and receiving unit 29 for transmitting and receiving voice and data wirelessly, demodulating voice and data received by the wireless transmitting and receiving unit 29, or A wireless signal processing unit 30 for performing processing necessary for wireless communication, such as modulating voice and data transmitted from the microphone 9, a voice signal for encoding a voice signal input from the microphone 13, or a voice for decoding a received voice signal It has a signal processing unit 31, a rewritable ROM (flash ROM) 32 for storing various setting information by a user, an electronic compass 33 for measuring an azimuth, and a bus 50 for interconnecting these components.
[0017]
Next, the operation of the present embodiment will be described. When the user operates the key operation unit 12 to go off-hook and the telephone number of the other party is input from the key input unit 24, the control unit 21 makes a call to the other party from the wireless transmission / reception unit 29, whereby the other party And the line is connected, and talking with the other party is started. At this time, the control unit 21 uses the display driver 25 to set the display unit 11 as a call screen, and displays the input telephone number of the other party.
[0018]
At this time, the control unit 21 encodes the audio input through the microphone 13 by the audio signal processing unit 31 and outputs the encoded audio to the bus 50, and then transfers the audio to the wireless signal processing unit 30 under the control of the control unit 21. The audio signal encoded by the wireless signal processing unit 30 is converted into a signal format based on a wireless communication protocol for a mobile phone by a wireless transmitting / receiving unit 29 and output from the antenna 16. The signal received by the antenna 16 is transferred to the audio signal processing unit 31 via the wireless transmission / reception unit 29, the wireless signal processing unit 30, and the bus 50, and the decoded audio is output from the speaker 14.
[0019]
Normally, the control unit 21 displays a standby screen as shown in FIG. 3 on the display unit 11 by the display driver 25 while the power of the mobile phone 1 is turned on. In the standby screen, for example, digital date and time information is displayed in an area 111, day of the week information is displayed in an area 112, and analog time information is displayed in an area 113. Further, the remaining battery amount information is displayed in an area 114, the sensitivity information is displayed in an area 115, and the volume information is displayed in an area 116.
[0020]
The setting of the display of the standby screen as described above can be arbitrarily selected and set by the user from the key operation unit 12 and stored in the user setting storage area 321 of the ROM 32 as shown in FIG. The setting information of the standby screen is set. Here, the user setting storage area 321 of the ROM 32 stores setting information relating to a standby screen of a display unit (full color display) in addition to the telephone number, mail address, and subscriber identification information of the mobile phone. Wallpaper data 1 and wallpaper data 2 are stored in storage areas 322 and 323 of the ROM 32. The wallpaper data 1 means the data of FIG. 10 described later, and the display color is set by default, but the background color and the character are changed according to the azimuth measurement result. Further, the wallpaper data 2 means the data of FIG. 11 described later. These wallpaper data can be downloaded from a predetermined network wirelessly or wiredly from the outside of the mobile phone 1, and a plurality of them can be stored. The user can freely change the settings of these wallpaper data, but which wallpaper data is set as the incoming call standby screen is set in the user setting storage area 321 in the form of flag information. The area 324 of the ROM 32 stores a color table, and the area 325 stores other application data. The color table will be described in detail in the second embodiment. In detail, as shown in FIG. 12, the measurement result output from the electronic compass 33 and processed by the control unit 21 is divided into 16 equal parts. , The background color including the error, and the character color are stored in 17 sets. The background color and the character color are common to the color name specified by the Color tag of HTTP (Hypertext Transfer Protocol) or the RGB value (#hexadecimal 6-digit data). If they are close to each other, the combination is a combination of cool colors (the background color is Blue, the character color is Lightblue), and each direction is imaged.
[0021]
When the user wants to know the direction while the wallpaper data 1 is displayed on the mobile phone 1 (see FIG. 3), the user presses the azimuth measurement key 121 arranged on the key operation unit 12 of the mobile phone 1. Then, the control unit 21 detects the depression of the direction measurement key 121 via the key input unit 24, takes in the direction information measured by the electronic compass 33, converts this direction information into graphic information by a program in the RAM 22, In FIG. 3, the display of the number of seconds in area 113 is replaced with a compass figure including magnetic needle 100 for display, and in area 112, the direction is displayed in place of day display.
[0022]
In this area 113, a magnetic needle 100 which is rotated and displayed at the center as shown in FIG. 5 and a compass figure whose direction is shown on the outer periphery thereof are displayed, and the diagonal display portion of the magnetic needle 100 always faces north. Is displayed. At the same time, the direction in which the tip of the mobile phone 1 is facing is displayed in the area 112, for example. In this example, NE (northeast) is displayed, and the user can immediately know that the direction in which the mobile phone 1 is facing is northeast.
[0023]
Thereafter, when detecting that the HOLD key 122 arranged on the key operation unit 12 of the mobile phone 1 is pressed, the control unit 21 returns the display of the display unit 11 to the original standby screen shown in FIG. indicate. That is, in this example, the setting information in the user setting storage area 321 of the ROM 32 is not rewritten by the azimuth measurement result.
[0024]
FIG. 6 shows an example in which the standby screen displayed on the display unit 11 is a calendar display. In this case, calendar information is displayed in the area 117, and the user arranges the key operation unit 12 in the same manner as described above. When a certain azimuth measurement key 121 is pressed, the magnetic needle 100 is displayed in the area 113 and a compass graphic whose azimuth is indicated on the outer periphery thereof is displayed in a pop-up.
[0025]
According to the present embodiment, the electronic compass 33 is mounted on the mobile phone 1, and when the user wants to know the direction, the user simply presses the azimuth measurement key 121 arranged on the key operation unit 12, and the compass is displayed on the display unit 11. A figure is displayed and, for example, the direction in which the tip of the mobile phone 1 is facing is displayed in characters, so that the user can always know the direction if he has the mobile phone 1 and when he gets lost Can be used very conveniently.
[0026]
When displaying the azimuth measurement result, the user setting storage area 321 of the ROM 32 may be rewritten. In this case, after the azimuth measurement, the standby screen becomes the azimuth measurement result screen shown in FIG. .
[0027]
FIG. 7 is a flowchart showing an azimuth measuring operation of the mobile phone according to the second embodiment of the present invention. However, since the configuration of this example is the same as that of the above-described first embodiment, the description of the configuration operation of each unit having the same configuration will be omitted, and the characteristic portions of the operation will be described below. .
[0028]
Next, the operation of the present embodiment will be described. In step S1, when the control unit 21 detects an operation (press) of the azimuth measurement key 121, the process proceeds to step S2, and otherwise returns. In step S2, the measurement result of the electronic compass 33 is fetched, and it is determined whether or not measurement is impossible. If measurement is not possible, the process proceeds to step S7, and an error is displayed on the display unit 11 until a predetermined time elapses in step S8. After returning, the original standby screen is displayed. If the measurement is not impossible and the measurement result is obtained, the process proceeds to step S3, and the standby screen display of the display unit 11 is changed to a screen for displaying the azimuth measurement result as shown in FIG. Here, the azimuth measurement result display screen is formed by displaying a compass graphic in the analog time display area 113 of the standby screen, and displaying characters in the direction in the day of the week area 112.
[0029]
Thereafter, when the pressing of the upper key 123 of the center key C as shown in FIG. 9A as shown in FIG. 9B is detected in step S4, the controller 21 sets the compass as shown in FIG. The figure display portion is enlarged and displayed, and the process returns to step S3. On the other hand, if the depression of the lower key 124 of the center key C is detected in step S5, the process proceeds to step S10, in which the compass graphic portion is reduced (not shown), and the process returns to step S3. Thereafter, when the pressing of the HOLD key 122 is detected in step S6, the process returns from the display of the azimuth measurement result screen and displays the original standby screen.
[0030]
Here, in the azimuth measurement result display screen as shown in FIG. 8, the background color is set according to the direction in which the tip of the mobile phone 1 is directed, for example, with respect to the character color according to the color table in the ROM 32 shown in FIG. Change and display. For example, when facing northeast (NE), the background color H1 is Green (RGB value (# 6 hexadecimal digit data) = # 008000), and the character color H2 is Yellowgreen (RGB value = # 9ACD32). That is, when the control unit 21 obtains the azimuth information from the electronic compass 33, the control unit 21 determines the direction in which the tip of the mobile phone 1 is facing from the azimuth information, and stores the color information of the background color and the character color corresponding to this direction in the ROM 32. The color information is read from the color table, the color information of the display unit is determined based on the color information, and the display is performed as shown in FIG. As described above, when an error occurs due to measurement failure, the background color may be displayed in red.
[0031]
The same applies to the enlarged display of the azimuth measurement result shown in FIG. . For example, when facing northeast (NE), the background color H1 is Green.
[0032]
According to the present embodiment, the display of the compass showing the result of the azimuth measurement can be enlarged or reduced and displayed. When it is desired to know the direction with high accuracy, the display is enlarged, while the compass is displayed. However, when it is desired to make the display less noticeable, the usability of the azimuth measurement function can be improved, for example, by reducing the display. Further, since the background color and the character color are changed and displayed according to, for example, the direction in which the tip of the mobile phone 1 is facing, the direction in which the tip of the mobile phone 1 is facing can be image-recognized just by looking at the display unit 11. , Direction visibility can be significantly improved. Other effects are similar to those of the first embodiment shown in FIG. 1 and have the same effects.
[0033]
FIG. 13 is a circuit diagram showing a configuration example of a mobile phone according to the third embodiment of the present invention. However, the same parts as those in the first embodiment shown in FIG. The circuit configuration of the mobile phone according to the present embodiment has a configuration in which an illumination light emitting unit 34 corresponding to each key of the key operation unit 12 is provided and the illumination light emitting unit 34 is turned on and off by a driver 35, as shown in FIG. Different from the first embodiment, other configurations are the same.
[0034]
Next, the operation of the present embodiment will be described. Also in this example, when the azimuth measurement key 121 of the key operation unit 12 shown in FIG. 13 is pressed, the control unit 21 detects the pressing of the azimuth measurement key 121 and acquires the azimuth measurement information from the electronic compass 33. After that, based on the acquired azimuth measurement information, the control unit 21 causes the driver 35 to emit the illumination light emitting unit 34 corresponding to each key so that the azimuth can be recognized, and displays the azimuth by the blinking pattern of each key of the key operation unit 12. .
[0035]
FIG. 14 is a diagram showing an example in which the azimuth is displayed by blinking each key of the key operation unit 12 of the mobile phone 1. In each key of the key operation unit 12, black display indicates a turned-off key, and white display indicates a turned-on key. Thus, an arrow is formed by the arrangement of the lit keys, and it is indicated that the center key C direction (upward in the drawing) is north. FIG. 15 is the same, in which case the lower right direction indicates north.
[0036]
16 to 19 are pattern examples showing directions by blinking of a key group of the key operation unit 12 of the mobile phone 1. In this example, the direction of the keys that are turned off (not lit) in the direction of travel (upward in the figure) is displayed. 16 shows a case where the head of the traveling direction is north, FIG. 17 shows a case where the front of the traveling direction is north, and FIG. 19 shows a case where the front of the traveling direction is north.
[0037]
According to the present embodiment, the azimuth measurement result can be displayed by the blinking of the key group of the key operation section 12, and the display can be clearly recognized even in a large and dark place. Further, the azimuth measurement result can be displayed on a portable device having a key operation unit with illumination but a small or no display unit.
[0038]
The operation for changing the display color of the background, for example, based on the measured orientation described in the second embodiment may be programmed as a program and executed by a computer. At this time, the computer program can be supplied to the computer through a disk-type recording medium such as a floppy (registered trademark) disk or a hard disk, various memories such as a semiconductor memory or a card-type memory, or various program recording media such as a communication network.
[0039]
In addition, the present invention is not limited to the above-described embodiment, and can be embodied in other various forms with specific configurations, functions, operations, and effects without departing from the gist thereof. In the above-described embodiment, an example in which the azimuth measurement is performed when the mobile phone is in a standby state has been described. However, the mode in which the azimuth measurement is performed is not limited to this. A similar effect can be obtained by applying the present invention to various portable electronic devices such as a PDA other than the portable telephone described in the above embodiment or a portable electronic dictionary.
[0040]
【The invention's effect】
As described above in detail, according to the present invention, by incorporating the electronic compass, the azimuth can be easily measured when necessary and the measurement result can be displayed on the screen. Correspondingly, the visibility of the azimuth can be improved by changing the display mode such as the display color.
[Brief description of the drawings]
FIGS. 1A and 1B are a plan view and a rear view showing an example of an external configuration of a mobile phone according to a first embodiment of the present invention.
FIG. 2 is a circuit diagram showing an example of a circuit configuration of the mobile phone shown in FIG.
FIG. 3 is a diagram showing an example of a standby screen displayed on a display unit shown in FIG. 1;
FIG. 4 is a diagram showing a configuration example of a storage area of a ROM 32 shown in FIG. 2;
FIG. 5 is a diagram showing an example of an azimuth measurement result display screen displayed on the display unit shown in FIG. 1;
FIG. 6 is a diagram showing another example of a standby screen displayed on the display unit shown in FIG. 1;
FIG. 7 is a flowchart showing an azimuth measuring operation of the mobile phone according to the second embodiment of the present invention.
FIG. 8 is a diagram showing an example of an azimuth measurement result display screen.
FIG. 9 is a diagram showing an example of key arrangement for enlarging and reducing an azimuth measurement result screen display example.
FIG. 10 is a diagram showing an example of a standby screen.
FIG. 11 is a diagram showing an example of an enlarged screen of a direction measurement result display screen.
FIG. 12 is a table showing an example of a color table showing a relationship between an azimuth and a background color.
FIG. 13 is a circuit diagram showing a configuration example of a mobile phone according to a third embodiment of the present invention.
FIG. 14 is a diagram showing an example of azimuth display by blinking of each key of a key operation unit of the mobile phone.
FIG. 15 is a diagram showing another example of azimuth display by blinking of each key of a key operation unit of the mobile phone.
FIG. 16 is a pattern example showing directions by blinking of a key group of a key operation unit of a mobile phone.
FIG. 17 is another pattern example showing a direction by blinking of a key group of a key operation unit of a mobile phone.
FIG. 18 is another pattern example showing a direction by blinking a key group of a key operation unit of a mobile phone.
FIG. 19 is another pattern example showing a direction by blinking of a key group of a key operation unit of a mobile phone.
[Explanation of symbols]
Reference Signs List 1 mobile phone 11 display unit 12 key operation unit 13 microphone 14 speaker 15 notification LED
Reference Signs List 16 Antenna 17 High-intensity directional light 18 Notification speaker 21 Control unit 22 RAM
23 System ROM
24 Key input unit 25 Display driver 26 Sound source circuit unit 27 Vibration generator 28, 35 Driver 29 Wireless transmitting / receiving unit 30 Wireless signal processing unit 31 Audio signal processing unit 32 ROM (flash ROM)
33 Electronic compass 34 Illumination light emitting unit 121 Direction measurement key 122 HOLD key 324 Color table

Claims (5)

Azimuth measuring means for measuring the azimuth,
Information display means for displaying information;
Changing means for changing the display mode of the information display means, based on the azimuth measured by the azimuth measuring means,
A portable electronic device comprising: A display color information storage unit that stores display color information that can be displayed by the information display unit and an azimuth that can be measured by the azimuth measurement unit;
The change means reads the corresponding display color information from the display color information storage means based on the azimuth measured by the azimuth measurement means, and changes the display mode of the information display means. Item 2. The portable electronic device according to Item 1. The display color information storage unit stores a display color of information displayed on the information display unit and a background color of this information in association with a direction that can be measured by the direction measurement unit. The portable electronic device according to claim 2. 4. The portable electronic device according to claim 1, wherein the information displayed on the information display means is a direction measurement result. A program having an azimuth measurement function and executed by a portable computer,
Program code for executing azimuth measurement;
A program code for changing a display color of the display unit based on the measured direction.

Images