JPS63113666A - Commodity information register - Google Patents

Abstract

PURPOSE:To improve the operability of a device and reduce its size by constituting a data protecting mechanism for a data recording medium while an IC-RAM card is used as the recording medium, and detecting an approach to the IC-RAM card electrically and cutting off power supply to the IC-RAM card before the IC-RAM card is extracted. CONSTITUTION:A cpu7 detects whether or not a protection cover 36 is at its normal position or not at every fixed time by using time information outputted from a timer 25 at constant intervals of time. Then when the shift of the protection cover from the normal position is detected, power supply lines to IC-RAM cards 29 and 30 are disconnected in an IC-RAM card control part 31 to power off the IC-RAM cards 29 and 30. The time from the detection of the position shift of the protection cover 36 to the cutoff of the power supply to the IC-RAM cards 29 and 20 is much shorter than the time from the opening of the protection cover 36 to the extraction of the IC-RAM cards 29 and 30, so the data on the IC-RAM cards 29 and 30 are never destroyed in whatever state and by whatever method the IC-RAM cards 29 and 30 are extracted.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a safety device for protecting data contents in a RAM card in a product information register such as an m-child cash register using an ftAM card.

[Conventional technology]

Figures 8a and 8b are diagrams showing a safety mechanism for the purpose of data protection in a conventional cash register, in which (1) is a keyboard for inputting product transaction information;
) is a display that displays the product transaction information entered from the keyboard (1), (3) is a printer that prints the product transaction information entered from the keyboard (1), and (4) is a display that records the above product transaction information, e.g. Data writing/reading device such as FDD device, (5) is data writing/reading device @(
4) is a recording medium such as an El)D sheet that can be inserted into and removed from the data writing/reading device (6).
4) Data writing/successive control circuit that controls (7) c
It is pu. (8) is an assembly attached to the data writing/succession device (4) via a spring, (9) is a lock bellow attached to the assembly (8) so as to be engaged with it, and 00 is an assembly (8). ), 0°C is a solenoid fixed to the assembly (8) and attached to the lock bellows (9) via a spring, @ is a data writing/reading device A front panel is attached to (4) via a spring and is received so as to engage with the lock GO, and (2) is stored in a space formed by the front panel (6) and assembly (8). Recorded media (
5), (goods) is a button attached to assembly (8).

(2) Explanation of the operation and effect of the conventional technology Next, the operation will be explained.

When product information and product transaction information are input from the keyboard (1), the CPU (7) analyzes and processes the above information, displays the results on the display (2), and also prints the data on the printer's record sheet. Write/continuous output circuit (6
) in the data writing/reading device (4).
5) Record the above product transaction information.

During the period when the CPU (7) is not writing or reading data to or from the recording medium (5), the solenoid 0DK
The tW flow does not flow, and the rock bellow (9) remains tightly connected to the rock QO. Button button α in the above situation]
When you press , the assembly (8), solenoid OX), lock bellow (9), and lock 00 move together in the pushing direction. As a result, the front panel (2) and lock 00 disengage, and the front panel (2) is opened by the spring of the nubring, and the recording medium (5) can be taken out from the data writing/continuation device (4). When the CPU (7) writes and reads data to the recording medium (5), the CPU
(7) supplies current to the solenoid αυ via the data write/read control circuit (6). The solenoid αη attracts and fixes the lock bellow (9) as a result of being supplied with current. Butsu button (to) under the above situation! Then, the lock bellow (9) is attracted and fixed to the solenoid 0]), so the lock bellow (9) and lock QC1 are disengaged, and the assembly (8) @ solenoid α blade/lock bellow (9) ) only moves in the direction of the pushing force, and the lock 00 remains in its original position as a result of sliding with the assembly (8).

As a result, the front panel (2) remains engaged with the lock GO, the front panel @ remains closed, and the recording medium (5) continues to be unable to be taken out. After writing to/reading from the recording medium is completed and the current supply to solenoid αυ is stopped, press the button (to) to disengage the lock QG from the front panel (2) and close the front panel (a). is opened and the recording medium (5) can be taken out of the data writing/reading device (4).

[Problem that the invention seeks to solve]

Conventional recording media data protection and safety mechanisms are realized by a combination of mechanical mechanisms and electric circuits, resulting in complex configurations, and it is necessary to continue supplying a mold source while the data protection and safety mechanisms are operating. Furthermore, while the data protection/safety mechanism is in operation, the operator cannot replace the recording medium, resulting in problems such as poor operability in handling the recording medium.

The present invention has been made to solve the above-mentioned problems, and it is possible to miniaturize a data writing/reading device, and also to provide a safety mechanism for writing/repeating data to a recording medium by using a method that does not require power supply. The purpose of this invention is to reduce the size of product information registers including cash registers, and to improve operability so that operators can exchange recording media at any time without worrying about the status of the recording media.

[Means for solving problems]

The data writing/reading safety mechanism according to the present invention uses a medium in which a memory chip is converted into a compact card as a recording medium, and also provides a protective cover for protecting and storing the data recording medium inside. This system detects changes in the attachment state of the cover and protects the data in the RAM card, which is a recording medium.

[Effect]

(1) In this invention, cutting off the power supply to the RAM card and making at least a part of the interface circuit between the FC D CPU and the RAM card high impedance is performed before the RAM card is pulled out. This can be done in stages to make it insensitive to transient conditions that occur during withdrawal.

(2) In this invention, after the protective cover is installed in a predetermined position and the CPU is able to read and write to the RAM card,
To create a situation in which a card can be used after passing through a transitional situation, and to prevent data contents already stored in a RAM card from being destroyed regardless of the procedure and method of inserting the RAM card.

(3) In this invention, while the protective cover is open, the function of ignoring data input from the input means is
To prevent missing product information and product transaction information input from the input means when a card is removed.

〔Example〕

First, an overview of this product information terminal will be explained using diagrams. 18th. In figure b, the product sales information such as the unit price and product code entered from the keyboard (1) is transferred to the CPU (7
), and the results are displayed on the operator Deine Play (2), the customer display &1) K, and are printed out on the printer (3), as well as the transaction occurrence time, sales product code, number of sales items, etc. Statistical information on operators who have made transactions, etc. is stored in a totalizer in RAM@. Calculation classification is the program written in ROMfi.
(7) reads and executes.

When the product registration is completed, the drawer (to) is opened under the control of the CPU (7). When multiple operators alternately use the product information terminal, a second drawer (goods)
4 timers (2
) supplies time information such as year, month, day, hour, and minute to CPU(y). Some product codes are converted into barcode symbols.In this case, instead of manually entering the product code from the keyboard, the product code is automatically read by the product code reader (E). Enter. When it is necessary to communicate with the host computer, the CPU (7) uses the communication control unit (b) to
For example, when transmitting statistical information of the totalizer in the product information register to the host computer, the CPU (7) reads the contents of the totalizer and passes the transmission data to the communication control unit.
The communication control unit (foundation) sends data to the host computer and sends the results to the CPU to determine whether it has completed normally.
(7) Notify. If it is necessary to communicate with other information devices other than the host computer, the second communication control unit (to) can be used. Communication can be performed simultaneously with multiple other information devices. Inside the IC-RAM card, (7) is a writable memory card that has a connector that can be removably inserted into the C-RAM card control unit @0.
The product information inputted from the keyboard (1) and the product code reading section (to) and the product handling information inputted and outputted from the communication control @Kan are written via the IC-RAM card control section υ. The IC-RAM card handle is IC-RA
By removing the M card control unit from the IC-RAM card control unit and connecting it to the IC-RAM card control device of a host computer or other information equipment, the product information in the IC-RAM card can be transferred to information equipment that requires a cable for data transfer. It can be transmitted without using it. The operator uses the IC-
If you need to touch the RAM card handle, use the IC
- This is done by removing the protective cover covering the RAM card (7). The removal of the protective cover is detected by the protective cover sensor (2) and is notified to the -rLcpu (7). Products may require a scale connected to them or a device to read magnetic cards such as credit cards in order to input weight information, but these devices cannot input information via the I10 control unit (331 conduct.

The above product code reading unit can 2 communication control unit @ (c), Kanutama Deinubray (2), IC-RAM card control unit @
++.

Optional equipment such as the I10 control unit (33 trowels) is unitized so that it can be freely selected and incorporated into this product information terminal, and each unit can be attached to and detached from the option unit connection board (to) via a connector.

Multiple OIC-RAM cards can be installed in the IC-RAM card control unit (3+) at the same time, and these multiple IC-RAM cards can be used for other purposes. Statistical information regarding product handling can be recorded on the card, and information on products such as product unit price and name can be stored on the IC-RAM card.

(Example-1) Next, an embodiment of the present invention will be described with reference to the drawings.

In Figures 2a and b, (7) is the CPU, (to) is the protective cover, and (2) is the sensor (using light, ultrasonic waves, piezoelectric elements, etc.) that detects changes in the protective cover 121) is the IC. −
The RAM card (31) has a connector that allows the above-mentioned IC-RAM card to be freely attached and detached, and is connected to the above-mentioned CPU and I
I with C-RAM card interface function
This is a C-RAM control board.

In this example, an example will be explained in which a receiving/emitting element is used as a sensor.

The protective cover sensor (a) is composed of a light emitting part and a light receiving part, and the protective cover side is located below a predetermined position C.
When the protective cover is installed in the correct position (referred to as the "regular position"), the protective cover blocks the optical path between the light emitting part and the light receiving part.

If the protective cover (to) is blocking the optical path between the receiving and emitting parts, the CPU (7) assumes that the protection bar (to) is in the correct position, and the IC-RAM card is The SYI source is supplied to the control board (3+) and the IC-RAM card seat (7), and the CPU (7) writes product transaction information to the IC-RAM card Kiriso via the IC-RAM card control board (3υ). , or perform reading. As shown in Figure 2, when the protective cover country is removed, the protective cover sensor (
), the optical path between the receiving and emitting parts is opened, and the IC-RA
This indicates that (1) in the M card is now in a state where it can be removed.
cpu (7) detects a cpu (7) detects time information (divisor 1
0m56e) to detect whether the protective cover (to) is in the correct position at regular intervals.
This is also carried out during the period when the IC-RAM card control unit @l is writing data into the IC-RAM card 03.

When it is detected that the protective cover country has deviated from the normal position, the IC-R
By cutting off the power supply twin to the AM card Wm, the power supply to the IC-RAM card @ is stopped. The flow of the above operation is shown in FIG. 2(C).

When writing data to an IC-RAM card, divide the data into multiple blocks and write each unit block.
If a change in the position of the protective cover country is detected while data is being written to the IC-RAM card 4 (1), immediately after writing the unit block being written, the IC-RAM card is
Power supply to the RAM card (1) is stopped.

The above timing is shown in FIG.

After detecting a change in the position of the protective cover (to), the IC-RA
The time it takes to stop the power supply to the M card is quite short compared to the time it takes to remove the IC-RAM card after opening the protective cover, so you can close the protective cover at any time. Even if □□□ is released, the power supply to IC-RAM e2ffm will be stopped until the IC-RAM card trowel is removed, and therefore the IC-RAM card 4 (
7) is removed, an electrical transient state will not occur between the outside of the IC-RAM card (1) and the IC-RAM card control board T31).
7) I C-R no matter what condition or procedure it is pulled out.
The data on the AM card (21 so will not be destroyed.

[Example-2] Only the differences from Example-1 will be described. Continuing from Example (1), when the protective cover is attached to the proper position covering the IC-RAM card, the CPU
The CPU is notified that the protective cover has been installed in the correct position, and the CPU is connected via the IC-RAM card control board.
At the same time as power is supplied to the C-RAM card, the CPU
To enable data to be read and written to a C-RAM card. The operation flow is shown in FIG. 2(d), and the other situations are the same as in Example (1). (Example-8) Only the differences from Example-2 are shown.

Continuing to the situation in Example-2, when the power supply to the IC-RAM card is stopped, the CPU detects through the protective cover sensor until the protective cover is returned to its normal position. During this time, input of product information and product sales information from the keyboard or the input means is ignored.

Next, when the CPU detects that the protective cover is installed in the correct position, the CPU outputs the IC-RALV! via the IC-RAM card control board. Supply power to the card and check the R code written in advance in the IC-RAM card. After the identification code confirms that the corresponding ICRAM card is suitable for processing product information and product transaction information, the CPU processes the product information and product transaction information from the keyboard or the input means. The operation flow is shown in FIG. 2(e), and the rest is the same as in Example-2.

(Example-4) Only the differences from Example-2 will be shown.

When the power supply to the IC card is stopped following the situation of Embodiment 2, the CPU detects the state through the protective cover sensor until the protective cover is returned to its normal position. During this time, input of product information and product sales information from the keyboard or the input means will be ignored, and a message will be displayed on the display or to the printer to notify the operator that the input of the above information has been ignored. Announcement is made by printing, sound from a speaker, etc.

Next, when the CPU detects that the protective cover is installed in the correct position, the CPU supplies power to the IC-RAM card via the IC-RAM card control board, and
- Check the identification code written in advance in the RAM card. After confirming that the identification code or the corresponding ICRAM card is suitable for processing product information and product transaction information, the operator is informed that the product information and product transaction information can be processed using the above input means. For example, notification may be made by displaying a message on a display, printing a message on a printer, or making a sound from a speaker.

After carrying out the above notification 9, the CPU processes the product information and product transaction information from the keyboard or the input means. The operation flow is shown in FIG. 2(f), and the rest is the same as in Example-2.

〔Effect of the invention〕

As described above, according to this invention, the data protection mechanism of the data recording medium is implemented by using an IC-RAM card as the recording medium and electrically detecting the approach to the IC-RAM card. I before being pulled out
Since the configuration is configured to cut off the power supply to the C-RAM card, the register operator can freely operate the IC-RAM card at any time without being aware of the usage status, which improves operability. The device can be made smaller.

[Brief explanation of the drawing]

FIG. 1 (al is a block diagram showing the configuration of an embodiment of the product information register according to the present invention, FIG. 1 fb) is an external view of the same register, and FIG. Figure 2 (C) to (f) are flow diagrams showing examples of operation flows of different inventions, Figure 8 (a)
(bl is the data protection of the recording medium in the conventional embodiment.
They are an external view and a sectional view showing a safety mechanism. FIG. 4 is a diagram showing an example of the timing when the protective cover is opened while data is being written to the IC-RAM card of the present invention. In the figure, (1): Keyboard (2): Operator Deine Play (3): Printer (7): CPU ■: ROM (For customer display): RAM 6!3 Nidroa #1 (Foundation) Nidroa #2 @ : Timer (g) : Product code reading part (a) 2 Communication control part #1 @ : Communication control part #2 Bad: IC-RAM card #1 (1) : IC-RAM card #2 (3+i : IC-RAM Card control unit (a): Protective cover sensor ca: Ilo control unit #1 q binding: I10 control unit #2 Note that the same reference numerals in the drawings indicate the same or equivalent parts.

Claims (4)

[Claims] (1) A keyboard for inputting product information and product transaction information, or a means for inputting the above product information and product transaction information equivalent to a keyboard, and transactions analyzed and processed based on the above information entered by these input means or the above information. A display that displays information, a printer that prints these transaction information on a recording sheet, a CPU that controls the input means, display, and printer, and a removable device that can be read and written by the CPU, and that stores the written information.・RAM card with a mechanism that can hold this RA
A protective cover that covers at least a part of the M card and a sensor that detects the attachment state of the protective cover are provided, and when the sensor detects a change in the attachment status of the protective cover, power is supplied to the RAM card. Block or R
A product information register in which at least a part of the interface circuit between an AM card and the above-mentioned CPU is made high impedance, or has both functions. (2) A keyboard for inputting product information and product transaction information, or a means for inputting the above product information and product transaction information equivalent to a keyboard, and transactions analyzed and processed based on the above information entered by these input means or the above information. A display that displays information, a printer that prints this transaction information on a record sheet, a CPU that controls the input means, display, and printer, a removable RAM card that can be read and written by the CPU, and this R
A protective cover that covers at least a part of the AM card and a sensor that detects the attachment state of the protective cover are provided, and when the sensor detects a change in the attachment state of the protective cover,
Supplies power to the above RAM card, and also supplies power to the above CPU.
A product information register having a function of allowing data to be read from and written to the RAM card. (3) A keyboard for inputting product information and product transaction information, or a means for inputting the above product information and product transaction information equivalent to a keyboard, and transactions analyzed and processed based on the above information entered by these input means or the above information. A display that displays information, a printer that prints this transaction information on a record sheet, a CPU that controls the input means, display, and printer, a removable RAM card that can be read and written by the CPU, and this R
A protective cover that covers at least a part of the AM card and a sensor that detects the attachment state of the protective cover are provided, and when the sensor detects a change in the attachment state of the protective cover,
Product information that has a function that ignores the input from the input means and validates the input from the input means after the sensor detects that the protective cover has returned to the predetermined installation state. register. (4) A keyboard for inputting product information and product transaction information, or a means for inputting the above product information and product transaction information equivalent to a keyboard, and transactions analyzed and processed based on the above information input by these input means or the above information. A display that displays information, a printer that prints this transaction information on a record sheet, a CPU that controls the input means, display, and printer, a removable RAM card that can be read and written by the CPU, and this R
A protective cover that covers at least a part of the AM card, and a sensor that detects the installation state of the protective cover are provided, and when the sensor detects a change in the installation state of the protective cover,
A means for ignoring the input from the input means and notifying the operator that the input has become ignored, and a means for detecting that the protective cover has returned to a predetermined installation state and reading it to the RAM card. A product information register provided with a means for confirming a state in which writing is possible and notifying an operator of such a state.