JPH04355896A - Cordless coming and leaving display system - Google Patents

Abstract

PURPOSE:To manage the coming and leaving conditions of a member and to allow bi-directional communication by using a terminal equipment and a central display board. CONSTITUTION:The terminal equipment 1 and the central display board 3 are respectively provided with a transmitting and receiving means and a data storing means, etc., in order to transmit coming and leaving data from the terminal device 1 to the central display board 3, to call coming and leaving data of another terminal equipment 1 from the central display board 3 by the terminal equipment 1 and to call the terminal equipment 1 from the central display board 3, etc. Therefore, the coming and leaving conditions of the travelling member are controlled and also the specified member can be called. The coming and leaving conditions of another member are obtained at a travelling destination.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for bidirectionally communicating data on employees' business trips and leaving the company (hereinafter referred to as "attendance/exit data") between a terminal device and a central display board.

0002

2. Description of the Related Art Conventionally, an exit/exit display board 5 with a switch for inputting exit/exit data as shown in FIG.
), the exit/exit display board and the hand switch were connected using electric wires or optical fibers, and the hand switch transmitted the exit/exit data.

0003

[Problem to be Solved by the Invention] With conventional exit/exit display boards equipped with switches, it is necessary to go to the location where the exit/exit display board is installed and press a switch every time entry/exit data is input. In addition to being time-consuming, it was difficult to immediately collect the latest attendance and departure data. On the other hand, with handheld switches, the entry/exit display board and the handheld switch (sending side) are wired using electric wires, optical fibers, etc., which limits the range of action for employees and makes it difficult to change the installation location. Ta. In addition, since it is a one-way communication that only sends departure/exit data from the hand switch to the exit/exit display board, it is possible to know other departure/exit data directly on the exit/exit display board, but it is not known on the transmitting side. I couldn't do that. Furthermore, it was not possible to call the sender from the exit/exit display board.

0004

[Means for Solving the Problems] The present invention was developed in order to solve each of the above-mentioned conventional problems, and enables two-way communication of exit/exit data between a terminal device and an exit/exit display board. At the same time, it is possible to call the sender from the exit/exit display board. The configuration is that the terminal device is configured to include a terminal device that transmits data regarding the employee's attendance status and a central display board that inputs and displays the data output from the terminal device. The device includes a terminal device entry/exit data selection means, a terminal device entry/exit data display means, a calling signal generation means, and a terminal device for storing entry/exit data of other terminal devices transmitted from a central display board. An access/exit data storage means, an identification number setting means for setting an identification number of a terminal device, a terminal device power supply means for supplying power to each means, and an exit/exit data storage means for other terminal devices transmitted from the central display board. The center display board includes a communication means for a terminal device that receives data and transmits entry/exit data of the terminal device to the central display board, and an input/output control means for the terminal device; data selection means, terminal device calling means for calling the terminal device, attendance/exit data display means for central display board, storing attendance/exit data transmitted from the terminal device and responding to a calling signal transmitted from the terminal device; central display board entry/exit data storage means for reading entry/exit data of other designated terminal devices; transmission stop means for stopping transmission at a predetermined time; and central display board power supply for supplying power to each means. means, input/output control means for the central display board, and communication means for the central display board that receives the departure/exit data transmitted from the terminal device and transmits the departure/exit data of other terminal devices to a predetermined terminal device. In addition, bidirectional communication of entry/exit data is enabled between the terminal device and the central display board.

[0005]

[Operation] The terminal device input/output control means inputs analog signals and digital signals outputted from each terminal device means and converts them into signals that can be processed by the next stage means. The terminal device entry/exit data selection means changes the entry/exit data on the terminal device side, sets other terminal device numbers, and switches transmission, and sends switching signals corresponding to these operations to the terminal device input/output control means. Output to. The entry/exit data display means for the terminal device is
A signal from the terminal device entry/exit data selection means outputted via the terminal device input/output control means is input, and predetermined entry/exit data and the terminal device number are displayed. The ring signal generating means generates a predetermined ring tone in response to a predetermined ring signal from the central display board. The terminal device entry/exit data storage means inputs a signal from the terminal device entry/exit data selection means outputted via the terminal device input/output control means and analyzes predetermined entry/exit data; Reads and writes entry/exit data. The identification number setting means sets an address dedicated to each terminal device to prevent interference when a plurality of terminal devices are used. The terminal device power supply means supplies power to each means. The communication means for the terminal device converts the departure/exit data into a signal for transmitting/receiving the departure/exit data, and also transmits/receives the attendance/exit data.

Next, the central display board input/output control means inputs analog signals and digital signals output from each center display board means and converts them into signals that can be processed by the next stage of means. The center display board entry/exit data selection means changes the entry/exit data on the center display board side and outputs a switching signal corresponding to these operations to the center display board input/output control means. When calling a predetermined terminal device, the terminal device calling means sets the terminal device number and determines whether to send a calling signal, and outputs a switching signal corresponding to these operations to the central display board input/output control means. . The central display board entry/exit data display means inputs the signal from the center display board entry/exit data selection means outputted via the central display board input/output control means, and displays predetermined entry/exit data and terminal device number. Display. The central display board entry/exit data storage means inputs a signal from the center display board entry/exit data selection means outputted via the central display board input/output control means and analyzes predetermined entry/exit data. At the same time, the entry/exit data is read and written. The transmission stop means outputs a transmission stop signal to the center display board input/output control means after a predetermined time has elapsed from the start of transmission, and stops the transmission. The central display board power supply means supplies power to each means. The central display board communication means converts the departure/exit data into signals for transmitting/receiving, and also transmits/receives the departure/exit data.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a cordless entry/exit display system according to the present invention, and FIGS. 3 and 6 respectively show the internal configurations of a terminal device and a central display board according to the present invention. Moreover, FIGS. 2 and 5 show respective external views. Hereinafter, the configuration of the present invention will be explained in detail based on each drawing while referring to external views. The terminal device 1 has the following functions for the purpose of transmitting the attendance/exit data of the employee carrying it to the central display board 3, and to call up and display the attendance/exit data of other arbitrarily designated employees from the central display board. It is configured as follows. Switch operation unit 20 which is an embodiment of entry/exit data selection means for terminal device
is configured to include a number setting key 11, an entry/exit data change key 12, a data transmission key 13, etc. shown in the external view, and is connected to an I/O interface 2, which is an example of input/output control means for a terminal device. . This switch operation section 20 is
It functions to output each switching signal to the I/O interface in response to pressing operations on the three keys. Next, LE, which is an embodiment of the entry/exit data display means for the terminal device.
The D display section 21 includes an entry/exit data display section 16 and a terminal device number display section 15 shown in the external view, and includes an I/O
connected to the interface. As shown in FIG. 2, the attendance/exit data display section 16 has characters such as "Present" and "Meeting" printed on it, and an LED 16a is provided above each character.The terminal device number display section 15 has a two-digit The numbers are displayed using LEDs. This LED display section 21
Inputs the LED display signal output from the I/O interface 2 to light a predetermined LED 16a, and inputs the number display signal output from the I/O interface to display a predetermined terminal device number on the terminal device. It functions to display on the number display section 15. The calling signal generating section 22, which is an embodiment of the calling signal generating means, includes a buzzer circuit 22.
a, buzzer 22b and buzzer slit 1 shown in the external view
4, etc., and is connected to the I/O interface 2. The buzzer circuit 22a receives a buzzer circuit activation signal output from the I/O interface and operates the buzzer 22b. The transmission/reception control unit 23, which is an embodiment of communication means for a terminal device, is configured to include an MSK modem 23a, a high frequency circuit 23b, an antenna 17, etc.
are connected to I/O interface 2, respectively, and MS
The K modem 23a is connected to a high frequency circuit 23b, and the antenna 17 is connected to the high frequency circuit 23b. The MSK modem 23a is an MSK (minimum shift
keying) A modem using a modulation method inputs the terminal device calling signal and the entry/exit data signal output from the high frequency circuit 23b, converts it into a predetermined signal, and outputs it to the I/O interface 2. It functions to input data output from the /O interface, modulate it using the MSK method, and output it to the high frequency circuit 23b. The high frequency circuit 23b inputs the terminal device calling signal, entry/exit data signal, etc. received by the antenna 17, and outputs these signals to the MSK modem 23a.
It functions to input the transmission signal output from 3a and convert it to a predetermined frequency. The microcomputer control unit 24, which is an embodiment of the entry/exit data storage means for the terminal device, includes a CPU 24a, a ROM 24b, and a RAM 24c.
It is connected to O interface 2. Said CPU2
4a inputs and analyzes the entry/exit data output from the I/O interface and the terminal device call signal;
Read the entry/exit data stored in AM24c and
It functions to output to the O interface. ROM24
b stores predetermined data such as employee numbers and various attendance/exit data, and functions to output designated data to the CPU 24a in response to a read command signal. R.A.
M24c inputs, writes and stores the entry/exit data of other terminal devices output from the CPU 24a, and outputs the stored entry/exit data to the CPU 24a in response to a read command signal. An address switch 25, which is an embodiment of the identification number setting means, is provided inside the back or side surface of the main body case 10 (not shown), and is set for each terminal device in order to prevent interference when multiple terminal devices are used. It functions to set a dedicated address for. A power source 26, which is an embodiment of the power supply means for the terminal device, is provided inside the back or side surface of the main body, and a dry battery is mainly used as the power source. This power source 26 functions to supply power to each of the above-mentioned means.

Next, the structure of the central display board will be explained. The switch operation unit 40, which is an embodiment of the exit/exit data selection means for the central display board, has the access/exit data change key 3 shown in the external view.
3, a terminal device selection key 31, etc., and is connected to an I/O interface 4, which is an embodiment of input/output control means for the central display board. This switch operation section 40
functions to output a switching signal to the I/O interface 4 in response to pressing operations on the two keys. A terminal calling switch 41, which is an embodiment of the terminal device calling means, includes a calling key 32 and the like shown in the external view, and is connected to the I/O interface 4. This terminal call switch 41 functions to output a switching signal to the I/O interface 4 in response to a pressing operation of the call key 32. The departure/exit data display section 42, which is an embodiment of the attendance/exit data display means for the central display board, includes an attendance/exit data display panel 36, a terminal device number display section 34, a name panel 35, etc. shown in the external view. Ru. As shown in the figure, the attendance data display panel 36 has characters such as "Present" and "Meeting" printed on the upper part, and LEDs 38 are provided below each character at a position corresponding to each name display window 35a. . Further, the terminal device number display section 34 is configured to be able to display the number of the terminal device as a two-digit number. The name panel 35 lists the name of the employee who owns the terminal device, and a name plate is removably attached to the lower part of the name display window 35a. This entry/exit data display unit 42 inputs an LED display signal output from the I/O interface 4 to light a predetermined LED 37, and inputs a terminal device number display signal output from the I/O interface 4. It functions to display a predetermined terminal device number using an LED. The transmission/reception control unit 43, which is an embodiment of the communication means for the central display board, is configured to include an MSK modem 43a, a high frequency circuit 43b, an antenna 37, etc.
are connected to the I/O interface 4, the MSK modem 43a is connected to the high frequency circuit 43b, and the antenna 38 is connected to the high frequency circuit 43b. The MSK modem 43a inputs the transmission signal from the terminal device outputted from the high frequency circuit 43b, extracts the necessary signal, outputs it to the I/O interface 4, and receives the output signal outputted from the I/O interface. It functions to input a retired data signal and a terminal device call signal, modulate it using the MSK method, and output it to the high frequency circuit 43b. The high frequency circuit 43b inputs the transmission signal from the terminal device received by the antenna 37, and transmits this signal to the MSK modem 43a.
The MSK modem 43a also inputs the exit data signal and the call signal outputted from the MSK modem 43a, and converts them into a predetermined frequency. The microcomputer control unit 44, which is an example of a central display board entry/exit data storage unit, has a CPU 44a and a R
Consists of OM44b, RAM44c, etc., and I/
It is connected to the O interface 4. Said CPU4
4a inputs and analyzes the data request signal output from the I/O interface 4, and also functions to read the entry/exit data stored in the RAM 44c and output it to the I/O interface. The ROM 44b stores predetermined data for each terminal device number and each entry/exit data, and functions to output designated data to the CPU 44a in response to a read command signal. RAM44c is
The entry/exit data of other terminal devices output from the CPU 44a is input, written, and stored, and the stored entry/exit data is output to the CPU 44a in response to a read command signal. A timer 45, which is an embodiment of the transmission stop means, is composed of a timer circuit or the like, and is incorporated inside the main body. This timer 45 operates at the start of transmission, and outputs a transmission stop signal to the I/O interface 4 after a predetermined period of time has elapsed.
Functions to stop transmission. A power supply 46, which is an embodiment of the power supply means for the central display board, is composed of a transformer, an AC/DC converter, etc., and is connected to AC 100V or the like. This power source 46 functions to supply power to each of the above-mentioned means. Here, the attendance/exit data display panel 36 of the central display board
On the right side, a check-in/leave-out data change key 33 is provided for each name display window, so that check-in/leave data can be input directly on the central display board side.

Next, a series of operations of the cordless entry/exit display system of the present invention will be explained. First, a case will be described in which the terminal device transmits the entry/exit data to the central display board. The terminal device is normally in a receiving state as shown in FIG.
Key interrupts are now possible. First, the user presses the change key 12 to select desired attendance data from among the "attendance", "meeting", etc. displayed on the attendance data display section 16. At this time, the switching signal from the switch operation section 20 is
It is input to the /O interface 2 and converted into a digital signal, and is also output to the LED display unit 21 and displayed on a predetermined LED.
D lights up. Then, LED1 of the desired entry/exit data
After confirming that 6a is lit, press the send key 13. At this time, the selected entry/exit data is read out from the ROM 24b in the microcomputer control section 24, and is output to the I/O interface 2 via the CPU 24a, as well as to the MSK modem 23a in the transmission/reception control section 23, and the high frequency circuit The signal is transmitted from the antenna 17 to the central display board via 23b.

[00010] Next, a case will be described in which the check-in status of other employees, that is, the check-in data of other terminal devices stored on the central display board is called up using the terminal device. First, the user presses the number setting key 11 on the terminal device and selects the number of the desired terminal device (employee). At this time, a read signal is output from the switch operation unit 20 to the ROM 24b via the I/O interface 2 and the CPU 24a, and terminal device number data corresponding to the number of the selected terminal device is read from the ROM. and,
This data is input to the MSK modem 23a via the CPU and I/O interface, modulated into a predetermined signal, and then transmitted as a data request signal from the antenna 17 to the central display board via a high frequency circuit. Next, the center display board receives the data request signal transmitted from the terminal device through the antenna 38, and receives the data request signal from the high frequency circuit 43b and the MSK modem 4.
3a, CPU 44a via I/O interface 4
Output to. Then, the CPU 44a analyzes whether the input data is a data request signal from a terminal device, etc., and if it is determined that the input data is a data request signal, the RAM 44a
A readout signal is output to c, and the entry/exit data of the target terminal device is read out. This read data is then sent to the CPU, I
The signal is outputted to the MSK modem via the /O interface, and transmitted to the terminal device from the antenna 38 via the high frequency circuit. At this time, at the same time as the transmission starts, the timer 45
is activated, and after a predetermined period of time has elapsed, a transmission stop signal is output to the I/O interface 4, and at the same time, the transmission operation state is canceled and the initial reception standby state is returned. Next, the terminal device receives the entry/exit data transmitted from the central display board, and stores it in RAM2.
4c and an LED corresponding to the data.
16a to notify the user.

Next, the case where a terminal device is called from the central display board will be explained. The center display board is normally in a receiving state as shown in FIG. 7, and is designed to allow key interrupts. First, the terminal device selection key 31 at the bottom of the center display board is pressed to select the number of the desired terminal device (employee). At this time, a switching signal is outputted from the switch operation section 40 to the entry/exit data display section 42 via the I/O interface 4, and the selected number is displayed on the terminal device number display LED 34. At this time, call data corresponding to the address of the terminal device to be called is simultaneously read from the RAM 44c, paging data is set, and the call data is temporarily held in the CPU 44a. When the terminal device call key 32 is pressed after confirming the terminal device number, the call data temporarily held in the CPU is transferred to the I/O
The signal is outputted to the MSK modem 43a via the interface, and transmitted to the terminal device as a terminal device calling signal from the antenna 38 via the high frequency circuit 43b. In this case, the terminal device that received the call data transmits the call data to the high frequency circuit 23b and the MSK modem 23a.
, outputs the data to the CPU 24a via the I/O interface 2, analyzes whether the data matches its own address, determines that it is call data, and outputs the data to the buzzer circuit 22a via the I/O interface 2. An activation signal is output, the buzzer 22b is activated, and a ringing tone is generated to notify the outside through the buzzer slit 14.

FIG. 8 shows the entry/exit data display section and the terminal device number display section of the terminal device according to the present invention on a liquid crystal display panel 16b.
An example in which this change is made is shown below. This allows the present invention to be implemented for microcomputer control. If this terminal device is used, the power consumption will be 1/2 compared to one using LEDs.
Since it is small at 1/20 to 1/50, the entire device can be powered by a NiCd battery, making it possible to operate for a long time. Therefore, it can be used in places where there is no power supply.

[0013]

[Effects of the Invention] By using the cordless entry/exit display system according to the present invention, it becomes possible for employees to carry their terminal devices, and even when they move, they can instantly transmit entry/exit data and collect it on the central display board. The terminal device side can know the entry/exit data of other terminal devices. It is also possible to call a specific employee from the central display board. However, if the MCA method of specified low power radio is used, interference can be reduced. Furthermore, communication reliability can be improved by attaching an ID code to the beginning of each data. As described above, by using the present invention, it is possible to centrally manage employee arrival/exit status and to easily perform two-way communication between the management side and the employee side.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram of a cordless entry/exit display system according to the present invention.

FIG. 2 is an explanatory diagram of a terminal device according to the present invention.

FIG. 3 is an internal configuration diagram of a terminal device.

FIG. 4 is a flowchart showing the operation of the terminal device.

FIG. 5 is an explanatory diagram of a central display board according to the present invention.

FIG. 6 is an internal configuration diagram of the central display board.

FIG. 7 is a flowchart showing the operation of the central display board.

FIG. 8 is an explanatory diagram of a modified embodiment of the terminal device.

FIG. 9 is an explanatory diagram of a conventional exit/exit display system.

[Explanation of symbols]

1...Terminal device, 10...11...Number setting key, 12
... Change key, 13... Transmission key, 14... Buzzer slit, 15... Terminal device number display section, 16... Attendance/exit data display section, 16a... Attendance/exit data LED, 17...
Antenna, 2, 4... I/O interface, 20...
・Switch operation section, 21.. LED display section, 22.. Calling signal generation section, 22a.. Buzzer circuit, 22b.. Buzzer, 23.. Transmission/reception control section, 23a.. MSK modem, 23b.. High frequency circuit. 24...Microcomputer control unit, 2
4a...CPU, 24b...ROM, 24c...RAM
, 25... address switch, 26, 46... power supply,
3. Central display board, 31. Terminal device selection key, 32.
- Terminal device call key, 33... Entry/exit data change key,
34... Terminal device number display LED, 35... Name panel, 35a... Name display window, 36... Entry/exit data display panel, 37... LED, 38... Antenna, 40...
Switch operation section, 41...terminal device call switch, 4
2... Attendance/exit data display section, 43... Transmission/reception control section, 43
a...MSK modem, 43b...high frequency circuit, 44...
Microcomputer control unit, 44a...CPU, 44b...ROM
, 44c... RAM, 45... Timer, 5, 6... Conventional central display board, 7... Connection line, 8... Hand switch.

Claims (1)

[Claims] Claims: 1. An attendance/exit display system comprising a terminal device for transmitting data regarding employee attendance/exit status and a central display board for inputting and displaying data output from the terminal device, wherein the terminal device is , terminal device attendance/exit data selection means, terminal device attendance/exit data display means, call signal generation means, and terminal device attendance/exit data for storing attendance/exit data of other terminal devices transmitted from the central display board. a data storage means, an identification number setting means for setting an identification number of the terminal device;
A power supply means for the terminal device that supplies power to each means, and a terminal device that receives the entry/exit data of other terminal devices transmitted from the central display board and transmits the entry/exit data of the terminal device to the central display board. The central display board includes a communication means, an input/output control means for the terminal device, and the central display board includes a central display board entry/exit data selection means, a terminal device calling means for calling the terminal device, and an entry/exit data selection means for the central display board. data display means, and attendance/exit data for a central display board that stores attendance/exit data transmitted from the terminal device and reads attendance/exit data of other terminal devices designated in response to a call signal transmitted from the terminal device; a storage means, a transmission stop means for stopping transmission at a predetermined time, a center display board power supply means for supplying power to each means, a center display board input/output control means, and an entry/exit information sent from a terminal device. Central display board communication means for receiving data and transmitting entry/exit data from other terminal devices to a predetermined terminal device, enabling two-way communication of entry/exit data between the terminal device and the central display board. A cordless entry/exit display system.