Anti-passback method, apparatus and system

Patent metadata

Field	Value
Publication number	US-11113910-B2
Application number	US-201616305154-A
Country	US
Kind code	B2
Filing date	Nov 2, 2016
Priority date	Jun 14, 2016
Publication date	Sep 7, 2021
Grant date	Sep 7, 2021

Abstract

Embodiments of the present application disclose an anti-passback method, apparatus and system. A plurality of access controllers are communicatively connected to a server. After detecting that a card reader has successfully read an identifier of an access card, an access controller sends the identifier of the access card, an identifier of the card reader, and its own identifier to the server. The server searches for the identifier of the card reader that read the access card last time, and the identifier of the access controller corresponding to the card reader, and determines a route for the door opening request. When the determined route exists in a preset list of routes, the sever sends a door opening instruction to the access controller. The route list may include routes between doors under the control of the plurality of access controllers. When a user swipes on a card reader on any of the doors with an access card, the access controller that controls the card reader will transmit information to the server. The server determines whether to allow the passing based on the route list. As can be seen, such solution achieves the anti-passback feature among a plurality of access controllers.

First claim

The invention claimed is:

1. An anti-passback method, applicable to a server communicatively connected to at least two access controllers, comprising:
receiving a door opening request sent by a first access controller, wherein the door opening request contains an identifier of an access card, an identifier of the first access controller, and an identifier of a first card reader reading the access card this time, the first card reader being attached to a door controlled by the first access controller;
searching, based on the identifier of the access card, for an identifier of a second card reader that read the access card last time, and an identifier of a second access controller corresponding to the second card reader;
determining a route for the door opening request, wherein, the route is represented by the identifier of the first card reader, the identifier of the first access controller, the identifier of the second card reader, and the identifier of the second access controller;
determining whether the determined route exists in a preset list of routes preconfigured in the server; and
if so, sending a door opening instruction to the first access controller to allow the first access controller to open a door corresponding to the door opening request according to the door opening instruction, wherein after sending the door opening instruction to the first access controller, the method further comprises:
updating the identifier of the card reader that read the access card last time from the identifier of the second card reader to the identifier of the first card reader, and updating the identifier of the access controller corresponding to the card reader that read the access card last time from the identifier of the second access controller to the identifier of the first access controller.

2. The method of claim 1 , wherein a first valid period for correspondence among an identifier of an access card, an identifier of a card reader and an identifier of an access controller is set in the server, and after receiving the door opening request sent by the first access controller, the method further comprises:
determining, according to the first valid period, whether a correspondence among the identifier of the access card, the identifier of the first card reader, and the identifier of the first access controller is valid at the moment;
if so, performing the step of: searching, based on the identifier of the access card, for an identifier of a second card reader that read the access card last time, and an identifier of a second access controller corresponding to the second card reader.

3. The method of claim 2 , further comprising:
sending a door opening instruction to the first access controller directly in the case that the identifier of the second card reader and the identifier of the second access controller are not found.

4. The method of claim 1 , wherein an identifier of an initial card reader and a second valid period for correspondence between an identifier of an access card and the identifier of the initial card reader are set in the server, and after receiving the door opening request sent by the first access controller, the method further comprises:
determining whether the first card reader is the initial card reader;
if the first card reader is not the initial card reader, performing the step of: searching, based on the identifier of the access card, for an identifier of a second card reader that read the access card last time, and an identifier of a second access controller corresponding to the second card reader; and
if the first card reader is the initial card reader, determining, according to the second valid period, whether the correspondence between the identifier of the access card and the identifier of the initial card reader is valid at the moment; and
if the correspondence is valid, sending a door opening instruction to an access controller corresponding to the initial card reader.

5. A server, comprising a housing, a processor, a memory, a circuit board and a power supply circuit, wherein the circuit board is arranged inside a space enclosed by the housing, the processor and the memory are arranged on the circuit board; the power supply circuit is used to supply power for various circuits or components of the server; the memory is used to store an executable program code; and the processor is configured for executing a program corresponding to the executable program code by reading the executable program code stored in the memory to perform the anti-passback method of claim 1 .

6. A non-transitory storage medium configured for storing an executable program code which, when being executed, perform the anti-passback method of claim 1 .

7. An anti-passback method, applicable to a first access controller communicatively connected to a server, comprising:
detecting whether a first card reader attached to a door controlled by the first access controller successfully reads an identifier of an access card;
if so, sending a door opening request to the server, wherein the door opening request contains an identifier of the access card, an identifier of the first card reader, and an identifier of the first access controller;
receiving a door opening instruction sent by the server, wherein the door opening instruction is sent by the server when a route represented by an identifier of a second card reader, an identifier of a second access controller, the identifier of the first card reader, and the identifier of the first access controller exists in a preset list of routes preconfigured in the server; the identifier of the second card reader is an identifier of a card reader that reads the access card last time, which is found according to the identifier of the access card; and the second card reader is a card reader attached to a door controlled by the second access controller; and
controlling a door corresponding to the door opening request to open, wherein after sending the door opening instruction to the first access controller, the server updates the identifier of the card reader that read the access card last time from the identifier of the second card reader to the identifier of the first card reader, and updates the identifier of the access controller corresponding to the card reader that read the access card last time from the identifier of the second access controller to the identifier of the first access controller.

8. The method of claim 7 , wherein after detecting that the first card reader successfully reads the identifier of the access card, the method further comprises:
determining whether an anti-passback function is enabled; and
if so, performing the step of sending a door opening request to the server.

9. An access controller, comprising a housing, a processor, a memory, a circuit board and a power supply circuit, wherein the circuit board is arranged inside a space enclosed by the housing, the processor and the memory are arranged on the circuit board; the power supply circuit is used to supply power for various circuits or components of the access controller; the memory is used to store an executable program code; and the processor is configured for executing a program corresponding to the executable program code by reading the executable program code stored in the memory to perform the anti-passback method of claim 7 .

10. A non-transitory storage medium, configured for storing an executable program code which, when being executed, perform the anti-passback method of claim 7 .

11. An anti-passback system, comprising a server, at least two access controllers, and a card reader, wherein
the card reader is configured for reading an identifier of an access card, a

Assignees

• Hangzhou Hikvision Digital Tec
• Hangzhou Hikvision Digital Tech

Inventors

• Chen Wei

Classifications

• G07C9/27 Primary

  with central registration · CPC title

• G07C9/15 Primary

  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

• G07C9/20 Primary

  involving the use of a pass · CPC title

• G07C2209/08

  With time considerations, e.g. temporary activation, valid time window or time limitations · CPC title