JP2000113355A - Multiple dwelling entrance unlocking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the burglar preventing performance of a multiple dwelling house by providing a dedicated key with a display part for displaying the new password of key data transmitted from a multiple dwelling entrance slave set. SOLUTION: When a resident depresses a display button 9 of a dedicated key 7 carried by the resident for displaying a password, an individual dedicated number and a stored password are transmitted from the dedicated key 7. When they are received by the receiving antenna of a multiple dwelling entrance slave set 1, the key data are compared by a key data preserving and comparing part, and when the data are matched with the previous contents, a password newly decided at random is prepared by a password preparing part. Then, the key data including the dedicated number prepared by the password preparing part are transmitted to the dedicated key 7 by a transmitting circuit and an antenna. The dedicated key 7 receives the key data, and stores the new password from the receiving circuit, and displays it on a display part 8. Then, when a resident key-inputs the password displayed on the display part 8 of the dedicated key 7 to the multiple dwelling entrance slave set 1, an automatic door is opened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a collective door unlocking device and, more particularly, to a collective door unlocking device which is designed to improve security against suspicious visitors.

[0002]

2. Description of the Related Art Conventionally, as this kind of collective door unlocking device, as shown in FIG. 4, an automatic door that is connected via a cable CL51 to a collective entrance slave unit 51 installed at the entrance to open the automatic door. Device 50 and cable CL52
And an indoor master unit 57 connected via a wireless LAN.

[0003] The collective entrance slave unit 51 includes a numeric key switch 5.
2. Speaker 53, call microphone 54, call switch 5
5 and a tuning display unit 56.

[0004] The indoor master unit 57 has a calling speaker 58, an unlock button 59, and a handset 60.

[0005] The handset 60 includes a receiver 61 and a microphone 62.

[0006] In the collective door unlocking device constructed as described above, the resident operates the ten key switch 5 of the collective entrance slave unit 51.
By inputting the personal identification number by 2 and pressing the call switch 55, the operation of unlocking the collective entrance is performed, and the automatic door device 50 opens the automatic door for a prescribed time.

[0007] A visitor calls a room number using the numeric key switch 52, and in the indoor master unit 57, if a resident in the room goes off-hook the handset 60 by ringing a ringing sound from the calling speaker 58, the collective entrance slave unit 51 and the indoor master unit 57 are respectively a speaker 53 and a telephone microphone 54.
And the receiver 61 of the handset 60 and the microphone 62 enable a mutual communication, and the unlock button 5 of the indoor master unit 57
By pressing 9, the automatic door device 50 opens the automatic door.

[0008]

However, in the conventional collective door unlocking device, anyone can enter by entering a password.

[0009] Therefore, even if the visitor is a suspicious individual, there is no hindrance to entering as long as the visitor knows the password.
Depending on the other party, they may suffer unpleasant thoughts or money.

The present invention has been made in view of such circumstances, and has as its object to improve the security performance of an apartment house.

[0011]

In order to achieve the above object, a collective door unlocking device according to the present invention uses a collective entrance terminal for inputting a password and an unlock signal from the collective entrance terminal.
A collective entrance unlocking device composed of an automatic door device that opens an automatic door, which is carried by a resident and has a dedicated key for displaying a personal identification number, and the collective entrance slave unit is individually held and transmitted from the dedicated key. Key data storage / comparison unit that compares the dedicated number with the stored secret number, a secret number creation unit that creates a dedicated number to be sent to the dedicated key and a new randomly determined secret number, and a secret number to the dedicated key A transmission circuit for transmitting the key data created by the creation unit, and the dedicated key includes a display unit for displaying a new password of the key data transmitted by the collective entrance slave unit. It is.

[0012] In this collective door unlocking device, when a resident who owns the exclusive key enters the detection range of the collective entrance slave unit of the collective door unlocking device and presses a display button of the exclusive key,
The dedicated key individually transmitted to the dedicated key and the stored personal identification number are transmitted from the dedicated key. The collective entrance slave unit is
When receiving a signal from the dedicated key, it detects whether the password attached to the received dedicated number matches the previous contents, and if it matches, sends a new PIN randomly assigned to the dedicated number . After the dedicated button is pressed and the display button is pressed, the data is transmitted, and the dedicated key and the new password are received, and the new password received is displayed on the display unit.
The automatic door is opened by inputting the password of the display portion of the exclusive key into the collective entrance slave unit by key input.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the collective door unlocking device of the present invention will be described below in detail with reference to the drawings. As shown in FIG. 1, the collective door unlocking device according to the present invention includes a ten-key switch 2, a speaker 3, a telephone microphone 4,
Call switch 5, display unit 6, key data control / transmission / reception unit 1
, A display unit 8 and a display button 9
A portable exclusive key 7 having an automatic door device 10 that is connected from the collective entrance slave unit 1 via a cable CL1 to open an automatic door;
, A call speaker 12, an unlock button 13,
And an indoor master unit 11 having a handset 14. The handset 14 contains a receiver 15 and a microphone 16.

As shown in the block diagram of FIG. 2, a key data control / transmission / reception unit 17 included in the collective entrance slave unit 1 includes a reception antenna 1a, a reception circuit 3a, a control circuit 5a, and a key data storage / comparison unit 6a. , A password creation unit 7a, a transmission antenna 2a, and a transmission circuit 4a.

As shown in the block diagram of FIG. 3, the dedicated key 7 includes a transmitting / receiving antenna 1b, a display button 9, a transmitting circuit 4b,
It has a receiving circuit 5b, a memory 6b, and a display unit 8.

In the collective door unlocking device thus configured, when a password is input to the collective entrance slave unit 1 attached to the collective entrance, the unlock signal from the collective entrance slave unit 1 causes the automatic door device 10 to operate. Open the auto door.

When the resident carries the key and presses the display button 9 of the dedicated key 7 for displaying the personal identification number, the private key and the stored personal identification number are transmitted from the exclusive key 7. If it is received by the reception antenna 1a of the collective entrance slave unit 1, the key data storage / comparison unit 6a compares the key data, and if the key data matches the previous contents, the personal identification number newly generated by the personal identification number creation unit 7a Create The key data including the dedicated number created by the password creation unit 7a is transmitted to the dedicated key by the transmission circuit 4a and the transmission antenna 2a.

The exclusive key 7 receives the key data, stores a new password in the memory 6b from the receiving circuit 5b, and displays it on the display unit 8. The resident inputs the personal identification number displayed on the display unit 8 of the dedicated key 7 into the collective entrance slave unit 1 so that the automatic door is opened.

[0019]

As is clear from the above description, according to the collective door unlocking device of the present invention, the security performance of the collective housing is improved.

[Brief description of the drawings]

FIG. 1 is a system diagram showing an embodiment of a collective door unlocking device according to the present invention.

FIG. 2 is a block diagram of a key data control / transmission / reception unit included in the collective entrance slave unit 1 in the collective entrance unlocking apparatus according to the present invention.

FIG. 3 is a block diagram of a dedicated key according to the present invention.

FIG. 4 is a system diagram showing a conventional collective door unlocking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Entrance door unit 7 ... Dedicated key 8 ... Display unit 10 ... Auto door device 4a ... Transmission circuit 6a ... Key data storage / comparison unit 7a ... PIN number creation unit

Claims (1)

[Claims] 1. A collective entrance unlocking device comprising: a collective entrance slave unit (1) for inputting a personal identification number; and an automatic door device (10) for opening an automatic door in response to an unlocking signal from the collective entrance slave unit. A dedicated key (7) carried by the resident and displaying a personal identification number, wherein the collective entrance slave unit compares the individually stored personal identification number transmitted from the dedicated key with the stored personal identification number. Key data storage and comparison unit (6
a), a dedicated number to be transmitted to the dedicated key, and a secret number creation unit (7) for creating a new randomly determined secret number.
a), and a transmission circuit (4a) for transmitting the key data created by the password creation unit to the dedicated key, wherein the dedicated key is a new key data transmitted by the collective entrance device. An assembly door unlocking device comprising a display section (8) for displaying a password.