EP0394714A3 - Identification device with inductive antenna coupling - Google Patents

Identification device with inductive antenna coupling Download PDF

Info

Publication number
EP0394714A3
EP0394714A3 EP19900106406 EP90106406A EP0394714A3 EP 0394714 A3 EP0394714 A3 EP 0394714A3 EP 19900106406 EP19900106406 EP 19900106406 EP 90106406 A EP90106406 A EP 90106406A EP 0394714 A3 EP0394714 A3 EP 0394714A3
Authority
EP
European Patent Office
Prior art keywords
antenna
identification device
transmitter
receiver section
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900106406
Other languages
German (de)
French (fr)
Other versions
EP0394714A2 (en
EP0394714B1 (en
Inventor
Bruno G. Viereck
Josef Schuermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Deutschland GmbH
Original Assignee
Texas Instruments Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Deutschland GmbH filed Critical Texas Instruments Deutschland GmbH
Publication of EP0394714A2 publication Critical patent/EP0394714A2/en
Publication of EP0394714A3 publication Critical patent/EP0394714A3/en
Application granted granted Critical
Publication of EP0394714B1 publication Critical patent/EP0394714B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set

Landscapes

  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention relates to an identification device (10) consisting of a transmitter and receiver section (12) and an antenna connected thereto via an antenna coupling (16). Known identification devices are awkward to handle and trouble-prone in particular under rough use conditions. The new identification device is to be suitable in particular for mobile use and remain functionable even under rough ambient conditions. For this purpose in the antenna coup­ ling (16) a dividable transformer (18) is arranged, a first transformer half having a core (20) and a winding (21) being accommodated in the transmitter and receiver section (12) and a second transformer half having a core (22) and a winding (23) being accommodated in the antenna (14). The two windings (21, 23) are inductively coupled in the con­ nected state of the transmitter and receiver section (12) and the antenna (14).
EP90106406A 1989-04-12 1990-04-04 Identification device with inductive antenna coupling Expired - Lifetime EP0394714B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912034A DE3912034C1 (en) 1989-04-12 1989-04-12
DE3912034 1989-04-12

Publications (3)

Publication Number Publication Date
EP0394714A2 EP0394714A2 (en) 1990-10-31
EP0394714A3 true EP0394714A3 (en) 1991-07-03
EP0394714B1 EP0394714B1 (en) 1997-07-09

Family

ID=6378528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106406A Expired - Lifetime EP0394714B1 (en) 1989-04-12 1990-04-04 Identification device with inductive antenna coupling

Country Status (3)

Country Link
EP (1) EP0394714B1 (en)
AT (1) ATE155288T1 (en)
DE (2) DE3912034C1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69125483T2 (en) * 1991-07-18 1997-10-23 Texas Instruments Deutschland Circuit arrangement for achieving a constant field strength of an RF signal, broadcast in front of a transmitter with an exchangeable antenna
EP0523271B1 (en) * 1991-07-18 1997-03-12 Texas Instruments Deutschland Gmbh Circuit arrangement for antenna coupling
DE4215255A1 (en) * 1992-05-09 1993-11-11 Aeg Mobile Communication Coaxial plug connector with socket and plug parts - has bore in one part engaged by pluggable sleeve of other part
SG44647A1 (en) * 1993-05-03 1997-12-19 Motorola Inc Antenna for an electronic apparatus
US5650778A (en) * 1995-06-30 1997-07-22 Bio Medic Data Systems, Inc. Antenna for programming a transponder
FI955125A (en) * 1995-10-27 1997-04-28 Nokia Mobile Phones Ltd Antenna connection
GB2404094B (en) * 2003-07-17 2008-01-02 Thales Plc Electrical connector
GB2433843B (en) * 2003-07-17 2008-01-02 Thales Holdings Uk Plc Electrical connector
US7446672B2 (en) * 2005-03-24 2008-11-04 M&Fc Holding, Llc Method and apparatus for coupling a meter register to an automatic meter reading communication device
EP2581993B1 (en) 2011-10-13 2014-06-11 TE Connectivity Nederland B.V. Contactless plug connector and contactless plug connector system
ES2474790T3 (en) * 2011-10-13 2014-07-09 Tyco Electronics Nederland B.V. Contactless plug connector and contactless plug connector system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274147A1 (en) * 1974-06-07 1976-01-02 British Steel Corp DEVICE FOR CONNECTING AND DISCONNECTING SEPARABLE PARTS OF AN ELECTRICAL EQUIPMENT
FR2297525A1 (en) * 1975-01-08 1976-08-06 Pelcon Ltd ELECTRICAL INDUCTION CONNECTOR
DE8532245U1 (en) * 1985-11-12 1986-02-27 Ebinger, Klaus, 5000 Köln Metal detector
US4621243A (en) * 1984-12-30 1986-11-04 Harada Kogyo Kabushiki Kaisha Transmission channel coupler for antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101198A1 (en) * 1981-01-16 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart Radio receiver which can be attached to the clothing and has a built-in antenna
JPS61174607A (en) * 1985-01-28 1986-08-06 Tetsuo Ishii Electromagnetic inductive coupling type connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274147A1 (en) * 1974-06-07 1976-01-02 British Steel Corp DEVICE FOR CONNECTING AND DISCONNECTING SEPARABLE PARTS OF AN ELECTRICAL EQUIPMENT
FR2297525A1 (en) * 1975-01-08 1976-08-06 Pelcon Ltd ELECTRICAL INDUCTION CONNECTOR
US4621243A (en) * 1984-12-30 1986-11-04 Harada Kogyo Kabushiki Kaisha Transmission channel coupler for antenna
DE8532245U1 (en) * 1985-11-12 1986-02-27 Ebinger, Klaus, 5000 Köln Metal detector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 384 (E-466)(2441) 23 December 1986, & JP-A-61 174607 (TETSUO ISHI) 06 August 1986, *

Also Published As

Publication number Publication date
EP0394714A2 (en) 1990-10-31
ATE155288T1 (en) 1997-07-15
DE3912034C1 (en) 1990-10-25
EP0394714B1 (en) 1997-07-09
DE69031008T2 (en) 1998-01-08
DE69031008D1 (en) 1997-08-14

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