JPH06173508A - Entrance-management device to particular area - Google Patents

Abstract

PURPOSE:To simplify hardware for entrance management into a plurality of particular areas, by using a common card against a plurality of particular areas with different security levels and adding unlocking conditions to the common card. CONSTITUTION:A card 9 distributed to a person who can enter in the first particular area 1 is common to the second particular area 2. When entering into the area 1, if the read result of a card reader 7 coincides with the contents of memory 11 in which employee's number or the like is registered, an unlocking signal 13 is output from a coincidence circuit 12 to transmit it to the electric key 5. When entering in the second area 2, a personal number input device 10 equipped at the door 4 is operated to output a coincidence signal from a coincidence circuit 18 and transmit it to one of input ends of the AND gate 21. The output of gate 21 is transmitted to the electric key 6 as the unlocking signal. In this way, the hardware of entrance management to particular areas can be simplified by the combination of common cards for particular areas with a personal number.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an entrance management apparatus for a plurality of areas having different security levels.

[0002]

2. Description of the Related Art In a company or the like, a first specific area in which a normal employee can enter with a required card and a first specific area are provided separately or provided in a first specific area. There is a second specific area in which only a small number of employees can enter, and it is general that the security level of the second specific area is higher than that of the first specific area. As described above, in order to correspond to a plurality of security levels, a card corresponding to each specific area is conventionally prepared, or an electric lock is used for the first specific area, while the second specific area is the first specific area. When it is located in the area, for example, a key for matching numbers is used.

[0003]

In the method of using the card for each specific area, it is necessary to produce a plurality of types of cards, and the employee who possesses the card for the second specific area is the card for the first specific area. It is inconvenient because they also have to own and use them properly. In addition, the method of changing the key for each specific area cannot provide a security relationship between the first specific area and the second specific area, and a key for matching numbers is a problem in terms of security. There are many. Therefore, the improvement has been conventionally desired.

The present invention is intended to improve such conventional problems, and proposes an entrance management apparatus which can share one card for a plurality of specific areas having different security levels. is there.

[0005]

Means for Solving the Problems A memory for storing a person who has entered a room is provided corresponding to each specific area, and when the contents of the memory and the reading result of a card reader are compared and they match each other, each specific area It is configured to unlock. Further, the card to be used has recorded contents corresponding to the specific area having the lowest security level among the plurality of specific areas.

[0006]

[Function] The electric lock is unlocked so that the person can enter each of the specific areas when the registered person entering the specific area and the content recorded on the card match.

[0007]

【Example】

Example 1. FIG. 1 shows two first and second specific areas 1 and 2 having different security levels.
(A) is a case where the first and second specific areas 1 and 2 are separated from each other. Further, FIG. 1B shows a case where the second specific area 2 is provided in the first specific area 1. The number of people who can enter the first specific area 1 is, for example, 1
When the number is 00, the number of persons who can enter the second specific area 2 is limited to 10 persons, for example, 1/10 of the 100 persons. The 10 persons are selected based on the relationship with documents and equipment stored in the second specific area 2, and are persons who meet a certain entry condition. Therefore, the remaining 90 of the 100 people cannot enter the second specific area 2. Doors 3 and 4 are doors of the first and second specific areas 1 and 2, respectively, and can be entered by unlocking the corresponding electric locks 5 and 6. The unlocking conditions of the electric locks 5 and 6 are different from each other, and the electric lock can be unlocked to enter the room if the first specific area 1 satisfies the unlocking condition, but the second specific area 2 is You cannot enter the room under one unlocking condition, and will not unlock if two unlocking conditions are satisfied.

FIG. 2A shows the door portion of the first specific area 1, and FIG. 1B shows the door portion of the second specific area 2. In the figure, 3 is the door of the first specific area 1, 4
Is a door of the second specific area 2, 5 is an electric lock corresponding to the door 3, 6 is an electric lock corresponding to the door 4, and 7 and 8 are the first, respectively.
Card readers provided corresponding to the specified areas 1 and 2 of the specified area 2, and 9 are cards distributed to persons who can enter the specified area 1. It is shared by 1 and 2. Reference numeral 10 is a personal identification number input device that is operated when entering the second specific area 2. That is, the first specific area 1 can be entered only by checking the contents of the card, but in the second specific area 2, both the contents check of the card and the entered personal identification number are the unlocking conditions.

FIG. 3 shows a room entrance management device for the first specific area 1, which is a case where the first specific area 1 is separated from the second specific area 2 as shown in FIG. 1 (a). 5, 7,
9 is the same as that shown in FIGS. 1 and 2. 11 is the first
In the memory in which the employee numbers of persons who can enter the specific area 1 are registered, the employee numbers of 100 persons are recorded if the above-mentioned 100 persons are permitted to enter the room. 12 is a coincidence circuit, which is a result of reading by the card reader 7 and the memory 1
If the contents of 1 match, the unlocking signal 13 is output and given to the electric lock 5. FIG. 4 shows an entrance management device when the second specific area 2 is separated from the first specific area 1 as shown in FIG. 1, and 8, 9, 10 are those shown in FIG. 2 (b). Is. 14 is a memory which is the second specific area 2
The employee numbers of 10 persons who can enter the room are recorded. 15 is a matching circuit, 16 is a matching signal, 17 is the above 10
The personal identification number is recorded. 18 is a matching circuit, 19 is a matching signal, and 20 is an AND gate, which is a matching signal 16,
When both 19 are "1", the unlock signal 21 is output and the electric lock 6 is unlocked. That is, to enter the specific area 2, it is necessary to satisfy two conditions, and even if anyone other than the above 10 people tries to enter the room, they are not registered in the memories 14 and 17, so even if the shared card 9 is used. When used, the coincidence signal 16 does not occur and no further coincidence signal 19 occurs.
Therefore, only the above 10 persons can enter the second specific area 2. FIG. 5 shows a room entrance management device in the case where the second specific area 2 is included in the first specific area 1 as shown in FIG. 1B, and the card reader 7 is provided corresponding to the door 3. By inserting a card into the card reader 7, an unlocking signal 13 is output and the electric lock 5 is unlocked. On the other hand, a personal identification number input device 10 is provided corresponding to the door 4, and is operated when entering the second specific area 2,
A match signal is output from the match circuit 18 and applied to one input terminal of the AND gate 21. 22 is a flip-flop to which the signal 13 is given as a set input, and the set output of this flip-flop 22 is the AND gate 2
1 is applied to the other input terminal. The output of the AND gate 21 is given to the electric lock 6 as an unlocking signal and is also branched and given to the delay circuit 23. This delay circuit 23
Outputs one pulse, for example, one minute after the input signal is input, and supplies it to the flip-flop 22 as a reset signal to invert the state of the flip-flop.
In the arrangement of the specific area shown in FIG. 1B, the first specific area 1
Although 100 people can enter the room, only 10 people out of 100 can enter the second specific area 2 therein. Therefore, as shown in FIG. 5, the electric lock 5 can be unlocked by 100 people, and 10 of them enter the personal identification number to unlock the electric lock 5 and then the electric lock 6. In this way, by combining a plurality of cards common to a specific area and a personal identification number, it is possible to manage entry into a specific area having a different security level.

In the embodiments shown in FIGS. 4 and 5, a personal identification number is entered for a specific area having a high security level. However, this is a characteristic of each person's body, that is, a fingerprint, a palm shape, or It goes without saying that the method of collating and identifying the entire finger may be replaced. FIG. 6 shows a lighting means of the light emitting body 24, which allows the user to confirm it from the outside while entering the second specific area 2. Reference numeral 25 is a flip-flop, and the output of the AND gate is given as a set input. To be A if the above two entry conditions are met
The output of the ND gate 20 becomes "1", whereby the flip-flop 25 is set and the light emitter 24 is turned on.
Reference numeral 26 is a push button switch provided outside the second specific area 2, and by pressing this push button switch, the output of the flip-flop 25 is inverted. That is, the switch 2
If 6 is pushed out of the second specific area 2, the light emitting body 24
Turns off. Therefore, it is possible to easily know whether or not the user is in the second specific area 2 by looking at the light emitter 24. Figure 8
4 and FIG. 5, the second specific area 2 is configured to be unlockable at a predetermined time in the morning and unlockable at a predetermined time in the evening, and 27 is, for example, 2 A timer for the channel, which outputs a signal 28 at a predetermined time, for example, 8 am and then a signal 29 at 5 pm. Therefore, flip-flop 30 is set at 8 am and reset at 5 pm. When the flip-flop 30 is set, the set output 31 is "1" and the reset output 32 is "0". The set output 31 is AN
It is applied to one input terminal 33 of the D gate 20 or 21. The other two input terminals 34 and 35 of the AND gate are input terminals to which the above-mentioned two unlocking conditions are inputted, and when all the inputs of the three input terminals are "1", the gate is opened and the electric lock 6 Unlock. In other words, it is a time zone in which it can be unlocked from 8 am to 5 pm. Then, at 5 pm, the signal 29 is generated from the timer 27, the output of the flip-flop is inverted, and the set output becomes "0". Therefore, even if the above two unlocking conditions are satisfied, the second output is obtained after 5 pm. You cannot enter the specific area 2 of L _1, L ₂ are mutually different Ru emission of the light-emitting color, L ₁ is a state of unlocking Friendly, L ₂
Indicates an unlockable state. In FIG. 8, a push button switch 36 to be pushed by the last leaving person is provided outside the second specific area 2,
After the switch is operated, for example, the user cannot enter the room until 8:00 am the next morning. At 8:00 am, the signal 38 generated from the timer 37 sets the flip-flop 39, and the set output 40 is ANDed.
It is unlocked by being applied to one input terminal 33 of the gate 21. That is, after the switch 36 is pressed, the user cannot enter the room until the predetermined time comes, even if the above two unlocking conditions are satisfied, and the time to enter the specific area is limited. Reference numeral 41 denotes a mechanical security device, which mechanically protects the second specific area within a second specific area until a predetermined unlocking time is reached after the final leaver operates the switch 36. This is a combination of a sensor and an information processing device, and transmits an alarm signal 42 to a security department or the like when there is an intruder or the like. 43 is the second
The light-emitting body is provided outside the specific area 2 and is turned on during the mechanical security, and it can be visually recognized from the outside of the specific area 2 that the specific area 2 cannot enter the room while the mechanical security is operating. Reference numeral 44 denotes a light-emitting body that emits light to indicate that the flip-flop is in the set state, that is, the unlockable state. When the light-emitting body 44 is on, it is the unlockable time zone, and if the condition is satisfied. You can enter the room. Incidentally, when the lighting from the light emitting element L ₁ to L ₂ in FIG. 7 is Setsu換Ru, emitters L ₁
It is also possible to blink for 3 minutes before switching to L ₂ . In the case of blinking in this way, it is possible to visually recognize the entry restriction time from outside the specific area to the specific area. It is also possible to provide a countdown type timepiece, operate the timepiece from, for example, 10 minutes before the time limit, and set the time limit to zero minutes. Further, by combining the configuration of FIG. 7 with a calendar circuit, it is possible to maintain the specific area by prohibiting entry into the specific area during a predetermined weekday and holidays.

[0011]

As described above, according to the present invention, it is possible to enter a plurality of specific areas having different security levels by using a common card and adding another condition to it. It should be noted that although the logic circuits are partially used in the embodiments for convenience of description, it is needless to say that most of the functions including these can be realized by a microprocessor. In the embodiment, the first,
Although the description has been given by raising the second specific area, the same applies when there are more specific areas.

[Brief description of drawings]

FIG. 1 is a diagram for explaining an arrangement of a specific area.

FIG. 2 is a diagram for explaining a door, a card reader, and the like provided at the entrance of a specific area.

FIG. 3 is a diagram for explaining a room entrance management device for entering a first specific area.

FIG. 4 is a diagram for explaining a room entry management device for entering a second specific area.

FIG. 5 is a diagram for explaining another example of the device for managing entry into a second specific area.

FIG. 6 is a diagram showing a partial modification of the present invention.

FIG. 7 is a diagram showing a partial modification of the present invention.

FIG. 8 is a diagram showing a partial modification of the present invention.

[Explanation of symbols]

 1 1st specific area 2 2nd specific area 3 Door of 1st specific area 4 Door of 2nd specific area 5 Electric lock 6 Electric lock 7 Card reader 8 Card reader 9 Card 10 PIN code input device

Claims (10)

[Claims] 1. In a room entrance management device for a plurality of specific areas, which have different security levels and are dispersed in each other, a specific area that can be shared by a plurality of specific areas and has the lowest security level. A card for all persons who can enter the room, a memory provided for each specific area, which stores the employee number of the person who is permitted to enter the area, and the memory provided for each area. Matching circuit that matches the contents of the card with the card reading result and sends a matching signal if they match, and a specific area except for the specific area with the lowest security level, enter the entry condition different from the above card Means and an electric lock provided in each specific area, and the output of the matching circuit for the specific area with the lowest security level. Is given as an unlocking signal to the corresponding electric lock to unlock, and for other specific areas, the corresponding electric lock is unlocked by combining the output of the matching circuit described above and the entry of the entry condition other than the card described above. A device for managing entry into a specific area, which is configured to be locked. 2. A first specific area having a low security level and an entrance management device for a second specific area provided in the first specific area and having a higher security level than the first specific area. , Read the contents of the electric locks provided for the respective second specific areas and the cards provided at the entrance of the first area and distributed to all persons who can enter the first area. The card reader and the memory that stores the employee numbers of persons who can enter the first specific area are checked against the contents of this memory and the reading result of the card reader. If they match, a match signal is issued. A matching circuit given to the electric lock corresponding to the first specific area, an entry condition input means other than a card provided at the entrance of the second specific area, and a content for checking the contents input by this input means Means, the memory for temporarily storing, and an AND gate for taking a logical product of the output of the memory and the output of the checking means and giving the output as an unlock signal to the electric lock in the second specific area, An apparatus for managing entry into a specific area, comprising means for delaying the output of the AND gate to the memory and returning the contents of the memory to the initial state. 3. A personal identification number input means or a means for collating and identifying a physical characteristic such as a fingerprint, a palm shape, or an entire finger is used as the entry condition input means other than the card and the card reader. Entry control device for the specific area described in 2. 4. A light emitting body and a push button switch operated when exiting from the specific area are provided in a specific area having a higher security level, and the light emitting body emits light when entering the room under the above-mentioned entry conditions, and then the specific area 3. The room entrance management apparatus according to claim 1, wherein the light emission of the light emitting body is stopped when the push button switch is pressed when exiting the room. 5. A light emitting body having two different luminescent colors in a specific area having a higher security level, a multi-channel timer which outputs a signal at an arbitrary time, and a signal generated from the timer at a predetermined time, It is equipped with a memory that holds until the signal generated at the set time is generated, and when one predetermined time is reached, one of the light emitters is made to emit light and a predetermined room entry condition is input However, the other light-emitting body is caused to emit light by another signal generated after a predetermined time, and it is displayed that it is a time zone in which unlocking is not possible even if a predetermined entry condition is input. A device for managing entry into a specific area as described in 1 and 2. 6. A light-emitting body that emits light during a time when the room can be entered is made to blink for a predetermined time before the time when the room cannot be entered, or a countdown type clock is provided to approach the time when the room cannot be entered. 6. The room entrance management apparatus according to claim 5, wherein the clock is operated from a predetermined time before the next switching time. 7. A push button switch pushed by a person who finally exits to a specific area having a higher security level, a timer for generating a time signal at a preset time, and an output state changed by the output of the switch and the timer. A memory and a gate circuit that makes one output of the memory one gate opening / closing condition are provided, and after the switch is pressed, the gate is prevented from opening until a time signal is generated from the timer. The room entrance management device according to claim 1 or 2, wherein the gate can be opened under a predetermined condition until a time signal is generated and the push button switch is pressed. 8. The apparatus is configured so that a machine is guarded in a specific area having a high security level until the time signal is generated from the timer after the push button switch is pressed. Entry control device for specific areas. 9. The entrance management apparatus for a specific area according to claim 8, wherein whether the machine is being guarded or in a state where it is possible to enter the room can be visually recognized by light emitting bodies having different light emission colors. 10. The specific area according to claim 1, wherein the electric lock is controlled so that the specific area having a high security level cannot be entered during a predetermined time period and a holiday on weekdays. Entrance management device.