Unlock instant, AI-driven research and patent intelligence for your innovation.

A contactless card supporting multiple protocols, a contactless communication method and system

A communication method and non-contact technology, which is applied in the direction of instruments, induction recording carriers, electromagnetic radiation induction, etc., can solve the problems of single communication protocol of non-contact cards, and it is difficult to accurately select non-contact cards.

Active Publication Date: 2019-03-05
FEITIAN TECHNOLOGIES
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The contactless card combines radio frequency technology and IC card technology. Thanks to its many advantages, it has been rapidly popularized and applied once it was launched. However, with the popularization and application of contactless cards, the production of contactless cards The requirements for link and application are getting higher and higher. The inventor found in the process of realizing the present invention that there are at least the following defects in the prior art: a contactless card usually only supports a single communication protocol. When there are multiple contactless cards in the field, it is difficult to accurately select the contactless card that needs to be operated, so as to achieve the purpose of safe production, etc.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A contactless card supporting multiple protocols, a contactless communication method and system
  • A contactless card supporting multiple protocols, a contactless communication method and system
  • A contactless card supporting multiple protocols, a contactless communication method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] This embodiment provides a contactless communication method supporting multiple protocols, which relates to a contactless communication system including a proximity coupling device (PCD for short) and a contactless card. The PCD is specifically a card reader, a mobile terminal, For a financial terminal, etc., at least two IC card chips—the first IC card chip and the second IC card chip—are set in the contactless card.

[0086] The method provided by this embodiment includes: the contactless card enters the contactless field, and powers up through inductive coupling; the first IC card chip in the contactless card performs steps 11 to 15, and the second IC card chip in the contactless card The chip performs step 21 to step 24, wherein:

[0087] The contents of Step 11 to Step 15 are as follows:

[0088] Step 11, perform initialization and anti-collision;

[0089] Step 12, receiving the data block issued by the PCD;

[0090] Step 13, judging the protocol type of the rec...

Embodiment 2

[0125] In this embodiment, the first preset protocol is the standard 14443 protocol, and the second preset protocol is a preset protocol different from the standard 14443 protocol as an example. On the basis of Embodiment 1, a more specific implementation manner is provided. Specifically, this embodiment provides a contactless communication method supporting multiple protocols, which relates to a contactless communication system including a PCD and a contactless card. The contactless card is provided with at least two IC card chips—the first IC card chip and a second IC card chip. The method provided in this embodiment includes that the contactless card enters the contactless field and obtains energy through inductive coupling after power-on:

[0126] The first IC card chip in the contactless card performs the following operations, such as Figure 1 to Figure 3 Shown:

[0127] Step 101, perform initialization and anti-collision;

[0128] Step 102, waiting for the PCD to send...

Embodiment 3

[0250] see Figure 8 , the present embodiment provides a contactless card 42 supporting multiple protocols, including: an inductive coupling module 421, a first IC card chip module 422 and a second IC card chip module 423; the first IC card chip module 422 further includes: initialization Anti-collision unit 4221, first receiving unit 4222, first judging unit 4223, first processing unit 4224 and first sending unit 4225; second IC card chip module 423 further includes: second receiving unit 4231, second judging unit 4232 , the second processing unit 4233 and the second sending unit 4234, specifically:

[0251] The inductive coupling module 421 is used to obtain energy through inductive coupling to power on the contactless card when the contactless card enters the contactless field;

[0252] Initialize the anti-collision unit 4221, for performing initialization and anti-collision;

[0253] The first receiving unit 4222 is configured to receive the data block issued by the prox...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a non-contact card supporting multiple protocols, a non-contact communication method and a non-contact communication system. The non-contact card comprises an inductance coupling module, a first IC card chip module and a second IC card chip module, wherein the first IC card chip module particularly comprises an initialization and conflict prevention unit, a first receiving unit, a first judgment unit, a first processing unit and a first sending unit; and the second IC card chip module particularly comprises a second receiving unit, a second judgment unit, a second processing unit and a second sending unit. The non-contact card supporting multiple protocols, the non-contact communication method and the non-contact communication system have the beneficial effects that multiple communication protocols can be supported, and the non-contact card can be accurately selected in a non-contact field.

Description

technical field [0001] The invention relates to the field of non-contact communication, in particular to a non-contact card supporting multiple protocols, a non-contact communication method and system. Background technique [0002] The contactless card combines radio frequency technology and IC card technology. Thanks to its many advantages, it has been rapidly popularized and applied once it is launched. However, with the popularization and application of contactless cards, the production of contactless cards The requirements for links such as application and application are getting higher and higher. In the process of realizing the present invention, the inventors found that there are at least the following defects in the prior art: a contactless card usually only supports a single communication protocol. When there are multiple contactless cards in the field, it is difficult to accurately select the contactless card that needs to be operated, so as to achieve the purpose ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/10
CPCG06K7/10297
Inventor 陆舟于华章
Owner FEITIAN TECHNOLOGIES