JPH10143595A - Separation type electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely input date-and-time information or the like by decoding the code image and fetching and storing the decoded information at the time of reading the code image on a display screen by an image reader by a data input device. SOLUTION: A bar code display device 1 is provided with a clock part and the date-and-time information obtained by the clock part is converted to image data expressed by a bar code and bar-code displayed on the display screen. Then, at the time of reading the image data bar-code displayed on the display screen of the bar code display device 1 by a bar code reader attached to a handy terminal equipment 2, the image data are decoded and the decoded result is stored as the date-andtime information. Thus, the date-and-time information and temperature information, etc., are speedily inputted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a separation type electronic device which is separated into a data display device and a data input device.

[0002]

2. Description of the Related Art Generally, in electronic equipment such as a handy terminal device equipped with a timekeeping circuit, when setting the date and time information obtained by the timekeeping circuit, the user selects each digit by operating a switch, and selects each digit. I was trying to fix it. That is, the correction digit is selected by the digit selection switch, and the contents of the selected digit are set while being updated one step at a time by the step switch.

[0003]

However, setting the date and time information for each digit unit by operating the switch requires time and effort, and may cause a setting error or the like. In addition, a digit selection switch or a step switch is required. , A special switch is required, so there is a mounting restriction in a small electronic device. In particular, a handy terminal device with a bar code reader has a bar code reader together with a keyboard as an external input means, so that the mounting space is reduced and the mounting is greatly restricted. On the other hand, a handy terminal device with a barcode reader is
Although a bar code printed on paper or the like is optically read and photoelectrically converted, only fixed information that has been printed can be captured. An object of the present invention is to make it possible to input fluctuation information such as a measurement value that changes every moment using an existing optical image reader.

[0004]

The means of the present invention are as follows. The invention according to claim 1 includes a data display device,
In a separate type electronic device separated from a data input device provided with an optical image reader, a data display device includes a conversion unit for converting variation information into a code image of a predetermined code system, and the conversion unit. Display means for outputting the code image converted on the display screen, the data input device decodes the code image when reading the code image displayed on the display screen by an image reader And a storage means for taking in and storing information decoded by the decoding means. In addition,
The data input device refers to a plurality of predetermined code systems in the middle of the decoding when decoding the code image by the decoding means, and determines which code system the decoding result matches with. Having means,
The information decrypted by the decrypting means may be input according to the code system determined by the determining means. On the data display device side, the conversion means converts the variation information into bar code image data, and the display means has a plurality of bar-shaped segment elements, and the image data converted by the conversion means is provided. May be displayed using a plurality of segment elements including gaps between the segment elements when the bar code is displayed. According to the first aspect of the present invention, the data display device converts fluctuation information that changes every moment such as timekeeping information and temperature information into a code image such as a barcode and outputs the code image on a display screen. In this state, when the data input device scans the display screen with the image reader and reads the code image, the data input device decodes the code image and stores the decoded information. Therefore, it is possible to input fluctuation information such as a measurement value that changes every moment using an existing optical image reader.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing an external appearance of a separation-type electronic device. The barcode display device 1 has a clock unit, converts date and time information obtained by the clock unit into image data representing a barcode, and displays the barcode on a display screen. The handy terminal device 2 with a bar code reader decodes the image data, which is displayed as a bar code on the display screen of the bar code display device 1 when reading the image data with a bar code reader, and outputs the decoded result as a date. It is stored as time information.

FIG. 2 is a block diagram showing the overall configuration of the bar code display device 1. The CPU 11 is a central processing unit that controls the overall operation of the barcode display device 1 according to various programs stored in a program memory (not shown) in the RAM 12. The storage device 13
Storage medium 1 in which programs, data, etc. are stored in advance
4 and the storage medium 14 is constituted by a magnetic or optical storage medium or a semiconductor memory. The storage medium 14 is fixedly provided in the storage device 13 or is detachably mounted. Further, the program, data, and the like stored in the storage medium 14 may be configured to be received and stored from another device connected via a communication line or the like, and further, may be connected via a communication line or the like. A storage device 13 including the storage medium 14 is provided on another device side, and a program stored in the storage medium 14
The data may be used via a communication line.
When a program or data is transmitted from another device via a communication line or the like, the CPU 11 captures the program or data and stores it in the storage device 13. The CPU 11 has an input unit 15, a barcode display unit 16,
The encoder 17 and the timer 18 are connected, and the CP
U11 controls those operations.

The input unit 15 is a key input device for inputting data and commands. When a display command to display and output date and time information is input from the input unit 15, the CPU 11
Captures the date and time information obtained by the clock unit 18 and supplies it to the encoding unit 17. Encoding unit 1
Numeral 7 converts the date and time information into image data represented by a bar code. The image data converted by the conversion is displayed and output on a bar code display unit 16. The barcode display section 16 is constituted by a liquid crystal display device, and has a horizontally long display screen provided with a number of segment elements formed in a bar shape. Each of the bar-shaped segment elements has its length direction aligned with the vertical direction of the display screen, and has a number of segment elements arranged side by side in the horizontal direction of the display screen. Each bar constituting the bar code is displayed using a plurality of segment elements including gaps between the segment elements. That is, FIG. 3 is a diagram showing a display state in this case, and a code system is adopted in which the width of the white bar having the minimum width and the black bar having the minimum width becomes considerably large with respect to the gap between the segments. . For this reason, by expressing one bar using a plurality of segment elements, one bar has many inter-segment gaps. The encoding unit 17 regards this inter-segment gap as a bar width. Instead of converting them to barcodes.

FIG. 4 is a block diagram showing the overall configuration of the handy terminal device 2 with a bar code reader. C
The PU 21 controls the overall operation of the handy terminal device 2 with a bar code reader according to various programs in the RAM 22.
4 is a storage device 13 on the side of the barcode display device 1 described above,
Since the storage medium 14 is basically the same as that of the storage medium 14, the description is omitted.
Loaded on AM22. An input unit 25, a barcode reading unit 26, and a display unit 27 are connected to the CPU 21 as input / output peripheral devices, and the CPU 21 controls these input / output operations. Here, the input unit 25 is a key input device, and when a barcode reading command is input from the input unit 25, the CPU 11 activates the barcode reading unit 26.

The bar code reading section 26 is a laser scanner that scans an object to be read by irradiating a laser beam, receives the reflected light, and performs photoelectric conversion. The laser scanner reflects the laser light with a polygon mirror or a vibration mirror. By changing the emission angle, the diffusion width of the laser beam is increased. The bar code reading unit 26 refers to a plurality of predetermined code systems, determines which code system the decoded result matches, and determines the decoding result according to the determined code system.
Store it in AM22. That is, in the case of a normal code system conforming to the JIS code, the decoding result is displayed on the display unit 27 as a product code and output to the RAM 22.
In the case of a special code system, the decoding result is displayed on the display unit 27 as date and time information and stored in the RAM 22. As shown in FIG. 5, the RAM 22 includes a work memory 22-1 in which programs and data loaded from the storage device 23 and the storage medium 24 are set, a time information storage unit 22-2, and a barcode. In the configuration having the information storage unit 22-3, the time information storage unit 22-2 is a memory in which date and time information obtained by decoding the barcode is set, and the barcode information storage unit 22-3 is a barcode information storage unit. This is a memory in which a product code obtained by decoding is stored.

Next, the operation of the bar code display device 1 and the handy terminal device 2 with a bar code reader will be described with reference to the flowcharts shown in FIGS.
Note that a program for implementing each function described in these flowcharts is stored in a storage medium 14 in the form of a program code readable by the CPUs 11 and 21.
24, and the contents are loaded into the program memory in the RAMs 12 and 22. FIG. 6 is a flowchart showing the operation of the barcode display device 1,
When a barcode display command is input from the input unit 15,
Execution is started. First, the CPU 11 determines whether or not there is a second carry signal from the timer unit 18 (step A1), and waits until the second update timing comes. Here, if it is the second update timing, the date / time information is updated (step A2), and the CPU 11 supplies the updated date / time information to the encoding unit 17 and uses the date / time information as an image representing a barcode. It is converted into data (step A3). Then, the image data is sent to the barcode display section 16 to be displayed as a barcode (step A).
4). As a result, a barcode as shown in FIG. 1 is displayed. In this case, the date, hour, minute, and second are represented by 13 digits. In a normal bar code, a country code, a maker code, a product item code, and a check digit are represented by 13 digits.

FIG. 7 is a flowchart showing the operation of the handy terminal device 2 with a bar code reader. The operation is started when a bar code reading command is input from the input unit 25. First, the barcode reading unit 26 is activated to start the barcode reading operation of the barcode reading unit 26, and the operator keeps a predetermined distance from the display surface of the barcode display device 1. In this state, when the barcode is scanned (step B1) and the barcode is read (step B2), the CPU 21 performs a decoding process for decoding the barcode (step B3), and determines whether or not the decoding was successful. Inspection (step B4), the above operation is repeated until the barcode is decoded normally. During such decoding processing, the CPU 1
1 refers to a plurality of predetermined code systems,
Automatically determine which code system fits. In this case, the determination is made based on a pattern characteristically displayed for each code system. Here, when the product code is the first code system (JIS code system) and the date and time code is the second code system, it is determined which code system is suitable at the end of decoding (step B5). Now, in the case of the first code system, the decoding result is determined to be a product code and stored in the barcode information storage unit 22-3 (step B6). Time information storage unit 2 judging as time information
2-2 is set (step B7).

As described above, in a state where the date and time information is converted into image data representing a barcode by the barcode display device 1 and displayed and output, the handy terminal device 2 with a barcode reader displays the barcode. The data is read and decoded, and the decoding result is set as the date / time information in the clock information storage unit 22-2. Therefore, even the date / time information that changes every moment can be read by the barcode reader.
Further, it is not necessary to perform the troublesome operation of setting each digit by a digit selection switch or a step switch as in the related art, and anybody can easily perform the operation simply by bringing the handy terminal device 2 with a barcode reader close to the barcode display device 1. In addition, the date and time information can be set accurately. In this case, the handy terminal device 2 with a bar code reader automatically determines the code system when decoding the bar code, so that the operability can be further improved. Further, since the barcode display device 1 displays a barcode on a display screen having a plurality of bar-shaped segment elements arranged side by side, the barcode can be displayed clearly and at a low cost. Become. Then, the width of the minimum width bar is made larger than the gap between the segments, and one bar is displayed by a plurality of segment elements. Barcodes can be displayed accurately without being affected by gaps between segments.

In the above-described embodiment, the bar code display device 1 is a segment type liquid crystal display device.
It may be a display device, a plasma display device, or the like. In this case, the date and time information in characters and the date and time information in bar codes may be switched and displayed as appropriate, and the date and time information in bar codes and the date and time information in characters may be displayed on the same screen. You may. The operation of the encoding unit 17 in the barcode display device 1 may be performed by the barcode display device 1 using software. In the above-described embodiment, the date and time information is described as an example. However, the temperature information obtained by the temperature sensor may be displayed as a barcode and read. In other words, measurement information that changes every moment, such as date and time information, temperature information or humidity information, may be displayed as a barcode and read. Further, the information is not limited to measurement, and may be other variation information. Further, although the variation information is displayed as a bar code, it may be displayed as a two-dimensional code, for example, a QR code, a CP code, a Carla code, a Veri code, or the like, regardless of the form. Further, the barcode display device 1 has a timer 18 as a measuring means for measuring fluctuation information.
Is provided, but date and time information, temperature information and the like may be imported from another electronic device.

[0014]

According to the present invention, it is possible to display fluctuation information such as measured values that change every moment as a code image, and input this code image using an existing optical image reader. It is possible to easily and reliably input date and time information, temperature information, and the like without providing such information and the like, and to input speedily.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a barcode display device 1 and a handy terminal device 2 with a barcode reader.

FIG. 2 is a block diagram showing the overall configuration of the barcode display device 1.

FIG. 3 is a diagram for explaining a display state of a barcode.

FIG. 4 is a block diagram showing the overall configuration of the handy terminal device 2 with a barcode reader.

FIG. 5 is a main configuration diagram of a RAM 12.

FIG. 6 is a flowchart showing the operation of the barcode display device 1;

FIG. 7 is a flowchart showing the operation of the handy terminal device 2 with a barcode reader.

[Explanation of symbols]

 1 Barcode Display Device 2 Handy Terminal Device with Barcode Reader 11, 21 CPU 12, 22 RAM 13, 23 Storage Device 14, 24 Storage Medium 15, 25 Input Unit 16 Barcode Display Unit 17 Encoding Unit 18 Timekeeping Unit 22-1 Work memory 22-2 Clock information storage unit 23-3 Barcode information storage unit 26 Barcode reading unit 27 Display unit

Claims (3)

[Claims] In a separate type electronic device which is separated into a data display device and a data input device having an optical image reader, the data display device has a code image of a predetermined code system for changing information. And a display unit for outputting the code image converted by the conversion unit on a display screen.The data input device converts the code image displayed on the display screen by an image reader. A separate type electronic device comprising: a decoding means for decoding the code image when read; and a storage means for taking in and storing information decoded by the decoding means. 2. A data input device, when decoding a code image by the decoding means, refers to a plurality of predetermined code systems in the middle of the decoding, and the decoding result conforms to which code system. 2. The separation-type electronic device according to claim 1, further comprising a determination unit configured to determine whether the information has been decrypted by the decryption unit, according to a code system determined by the determination unit. . 3. On the data display device side, the conversion means converts the variation information into bar code image data, and the display means has a plurality of bar-shaped segment elements, and is converted by the conversion means. 2. The separated type according to claim 1, wherein, when displaying the image data in a barcode, each bar constituting the barcode is displayed using a plurality of segment elements including a gap between the segment elements. Electronics.