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Mobile proximity coupling device with display

A coupling device and mobile technology, applied in the field of inductive coupling, can solve problems such as unreachable coupling quality, insufficient optimization, difficult channel estimation methods, etc.

Active Publication Date: 2015-12-09
BUNDESDRUCKEREI GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the quality of the coupling between the smartphone and the corresponding contactless interface of the credit card etc. is often not optimal or not high enough for data exchange
In addition, in the case of near field communication, since various devices share the field environment, it is difficult to adopt typical channel estimation methods, such as sending training sequences for establishing channel quality

Method used

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  • Mobile proximity coupling device with display
  • Mobile proximity coupling device with display
  • Mobile proximity coupling device with display

Examples

Experimental program
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Embodiment approach

[0090] According to one specific embodiment, the quality indicator either represents a sufficiently high quality, in particular a first mark or value, or a not high enough quality, in particular a second mark or value.

[0091] In order to determine the quality index, according to one embodiment, the non-contact interface 107 is configured to detect the signal of the integrated circuit 101, wherein the processor 109 is configured to determine the quality index according to the signal strength or signal characteristics of the detected signal. This signal can be induced by the inductive coupling 108 of the coupling interface 105 within the contactless interface 107 .

[0092] In order to determine said quality index, according to one embodiment, the non-contact interface 107 is configured to send a first number of instructions to the integrated circuit 101 in an inductive manner, and after sending each instruction, wait for receiving all instructions within a preset time interval...

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Abstract

The invention relates to a mobile proximity coupling device (100) for inductive coupling with an integrated circuit of a proximity object, the integrated circuit comprising a coupling interface for inductive coupling, the mobile proximity coupling device (100) comprising a contactless interface (107) for inductive coupling with the coupling interface of the integrated circuit; a processor (109) for determining a quality indicator indicating a quality of the inductive coupling; and a display (111) for displaying a desired change of position of the mobile proximity coupling device relatively to the proximity object if the quality indicator indicates an insufficient quality of the inductive coupling.

Description

technical field [0001] The invention relates to a mobile proximity coupling device and an inductive coupling method. Background technique [0002] Electronically readable documents such as passports, ID cards or electronically readable bank or credit cards often include integrated circuits for authentication, identification or payment purposes. [0003] The integrated circuit may constitute a radio frequency identification chip (RFID), such as a near field communication chip (NFC), and may be a passive circuit. The radio frequency communication of the integrated circuit is usually based on inductive coupling between the contactless coupling interface of the integrated circuit and the corresponding contactless interface of the proximity coupling device. The above contactless interfaces and the communication can be realized according to ISO / IEC14443 or ISO / IEC7816-4 standard. [0004] Proximity-coupling devices for border control are usually stationary readers comprising a c...

Claims

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Application Information

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IPC IPC(8): G06K7/00H04W4/80
CPCG06K7/0008H04W4/80
Inventor 弗洛里安·彼得斯
Owner BUNDESDRUCKEREI GMBH
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