Method, device and system for controlling opening of A-B doors

Patent metadata

Field	Value
Publication number	US-10186101-B2
Application number	US-201615739855-A
Country	US
Kind code	B2
Filing date	Nov 2, 2016
Priority date	Jul 13, 2016
Publication date	Jan 22, 2019
Grant date	Jan 22, 2019

Abstract

A method, device and system for controlling opening of A-B doors are disclosed, which are applicable to a host of a system with A-B doors, the system with A-B doors comprising a first access control for controlling entry through the door A, a second access control for controlling entry through the door B and an electronic authorization conversion device. The method comprises: receiving a first verification request for an object to be verified sent by the first access control (S 201 ); determining whether the object to be verified has authorization to pass through the door A (S 202 ); if it does, sending an opening command for opening the door A to the first access control (S 203 ); receiving, after the door A has been opened, an electronic authorization conversion request for the object to be verified sent by the electronic authorization conversion device, converting the authorization of the object to be verified to authorization to pass through the door B, determining a first validity time period for passing through the door B, and storing the first validity time period (S 204 ); receiving a second verification request for the object to be verified sent by the second access control (S 205 ); retrieving the stored first validity time period (S 206 ); determining whether the door B can be opened (S 207 ); if it does, sending an opening command for opening the door B to the second access control (S 208 ), thus improving the security of A-B doors.

First claim

The invention claimed is:

1. A method for controlling opening of A-B doors, wherein it is applicable to a host of a system with A-B doors, the system with A-B doors further comprising a first access control for controlling entry through the door A, a second access control for controlling entry through the door B and an electronic authorization conversion device, the method comprising:
receiving a first verification request for an object to be verified sent by the first access control;
determining whether the object to be verified has authorization to pass through the door A according to the first verification request, and if so, sending an opening command for opening the door A to the first access control;
receiving, after the door A has been opened, an electronic authorization conversion request for the object to be verified sent by the electronic authorization conversion device, converting the authorization of the object to be verified to authorization to pass through the door B, determining a first validity time period for passing through the door B, and storing the first validity time period;
receiving a second verification request for the object to be verified sent by the second access control;
retrieving the stored first validity time period;
determining whether the door B can be opened according to the second verification request and the first validity time period, and if so, sending an opening command for opening the door B to the second access control.

2. The method according to claim 1 , wherein, determining the first validity time period for passing through the door B comprises:
generating the first validity time period for the object to be verified to pass through the door B by using time of sending the opening command for opening the door A to the first access control as starting time and based on a predetermined duration of time period.

3. The method according to claim 1 , wherein,
storing the first validity time period comprises:
storing the first validity time period in the host; or
sending the first validity time period to the electronic authorization conversion device for the electronic authorization conversion device to write the first validity time period into the object to be verified;
retrieving the stored first validity time period comprises:
reading the first validity time period stored in the host; or
retrieving the first validity time period contained in the second verification request, the first validity time period having been read from the object to be verified by the second access control and added into the second verification request.

4. The method according to claim 1 , wherein, the second verification request contains a timestamp indicating time at which the object to be verified is read;
determining whether the door B can be opened according to the second verification request and the first validity time period comprises:
determining whether the door A is closed, and if it is not closed, determining that the door B cannot be opened;
and if it is closed, determining whether the object to be verified has the authorization to pass through the door B according to the second verification request, and if it does not, determining that the door B cannot be opened;
and if it does, determining whether the timestamp is within the first validity time period according to the timestamp contained in the second verification request, and if it is, determining that the door B can be opened, otherwise, determining that the door B cannot be opened.

5. The method according to claim 1 , wherein, the system with A-B doors further comprises a third access control for controlling exit through the door B and a fourth access control for controlling exit through the door A; the method further comprises:
receiving a third verification request for the object to be verified sent by the third access control;
determining whether the door B can be opened according to the third verification request and the first validity time period, and if so, sending an opening command for opening the door B to the third access control;
receiving, after the door B has been opened, an electronic authorization conversion request for the object to be verified sent by the electronic authorization conversion device, converting the authorization of the object to be verified to the authorization to pass through the door A, determining a second validity time period for passing through the door A, and storing the second validity time period;
receiving a fourth verification request for the object to be verified sent by the fourth access control;
retrieving the stored second validity time period;
determining whether the door A can be opened according to the fourth verification request and the second validity time period, and if so, sending an opening command for opening the door A to the fourth access control.

6. The method according to claim 5 , wherein, determining the second validity time period for passing through the door A comprises:
generating the second validity time period for the object to be verified to pass through the door A by using time of sending the opening command for opening the door B to the third access control as starting time and based on a predetermined duration of time period.

7. The method according to claim 5 , wherein,
storing the second validity time period comprises:
storing the second validity time period in the host; or
sending the second validity time period to the electronic authorization conversion device for the electronic authorization conversion device to write the second validity time period into the object to be verified;
retrieving the stored second validity time period comprises:
reading the second validity time period stored in the host; or
retrieving the second validity time period contained in the fourth verification request, the second validity time period having been read from the object to be verified by the fourth access control and added into the fourth verification request.

8. The method according to claim 5 , wherein, the fourth verification request contains a timestamp indicating the time at which the object to be verified is read;
determining whether the door A can be opened according to the fourth verification request and the second validity time period comprises:
determining whether the door B is closed, and if it is not closed, determining that the door A cannot be opened;
and if it is closed, determining whether the object to be verified has the authorization to pass through the door A according to the fourth verification request, and if it does not, determining that the door A cannot be opened;
and if it does, determining whether the timestamp is within the second validity time period according to the timestamp contained in the fourth verification request, and if it is, determining that the door A can be opened, otherwise, determining that the door A cannot be opened.

9. A device for controlling opening of A-B doors, wherein, it is applicable to a host of a system with A-B doors, the system with A-B doors further comprising a first access control for controlling entry through the door A, a second access control for controlling entry through the door B and an electronic authorization conversion device, the device comprising:
a first receiving module, for receiving a first verification request for an object to be verified sent by the first access control;
a first determination module, for determining whether the object to be verified has authorization to pass through the door A according to the first verification request;
a first sending module, for sending an opening command for opening the door A to the first access control when it has been determined that the

Assignees

• Hangzhou Hikvision Digital Tec

Inventors

• Zhang Dong
• Kang Weichang
• Zhao Xianlin

Classifications

• G07C9/22

  in combination with an identity check of the pass holder · CPC title

• E05G5/003

  Entrance control (E05G5/02 takes precedence) · CPC title

• E05G5/02

  Trapping or confining mechanisms, {e.g. transaction security booths}(thief or burglar incapacitating means in general G08B15/00) · CPC title

• G07C9/15

  with arrangements to prevent the passage of more than one individual at a time · CPC title

• G07C9/00309

  operated with bidirectional data transmission between data carrier and locks · CPC title