FR2795239B1 - Antenne d'emission et/ou de reception de champ magnetique dans un systeme de communication a basse frequence - Google Patents

Antenne d'emission et/ou de reception de champ magnetique dans un systeme de communication a basse frequence

Info

Publication number
FR2795239B1
FR2795239B1 FR0001243A FR0001243A FR2795239B1 FR 2795239 B1 FR2795239 B1 FR 2795239B1 FR 0001243 A FR0001243 A FR 0001243A FR 0001243 A FR0001243 A FR 0001243A FR 2795239 B1 FR2795239 B1 FR 2795239B1
Authority
FR
France
Prior art keywords
antenna
transmitting
magnetic field
communication system
low frequency
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.)
Expired - Fee Related
Application number
FR0001243A
Other languages
English (en)
Other versions
FR2795239A1 (fr
Inventor
Virginie Tessier
Didier Pedemas
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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
Priority claimed from FR9907816A external-priority patent/FR2795238A1/fr
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Priority to FR0001243A priority Critical patent/FR2795239B1/fr
Publication of FR2795239A1 publication Critical patent/FR2795239A1/fr
Application granted granted Critical
Publication of FR2795239B1 publication Critical patent/FR2795239B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H01Q1/3241—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems particular used in keyless entry systems
    • 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
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Details Of Aerials (AREA)
FR0001243A 1999-06-21 2000-02-01 Antenne d'emission et/ou de reception de champ magnetique dans un systeme de communication a basse frequence Expired - Fee Related FR2795239B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0001243A FR2795239B1 (fr) 1999-06-21 2000-02-01 Antenne d'emission et/ou de reception de champ magnetique dans un systeme de communication a basse frequence

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9907816A FR2795238A1 (fr) 1999-06-21 1999-06-21 Antenne emettrice-receptrice de champ magnetique, notamment pour vehicule automobile
FR0001243A FR2795239B1 (fr) 1999-06-21 2000-02-01 Antenne d'emission et/ou de reception de champ magnetique dans un systeme de communication a basse frequence

Publications (2)

Publication Number Publication Date
FR2795239A1 FR2795239A1 (fr) 2000-12-22
FR2795239B1 true FR2795239B1 (fr) 2006-07-28

Family

ID=26212143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0001243A Expired - Fee Related FR2795239B1 (fr) 1999-06-21 2000-02-01 Antenne d'emission et/ou de reception de champ magnetique dans un systeme de communication a basse frequence

Country Status (1)

Country Link
FR (1) FR2795239B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5508710A (en) * 1994-03-11 1996-04-16 Wang-Tripp Corporation Conformal multifunction shared-aperture antenna
JPH07263935A (ja) * 1994-03-24 1995-10-13 Hochiki Corp アンテナ装置
DE4431603A1 (de) * 1994-09-05 1996-03-07 Siemens Ag Antennenspule
US5574470A (en) * 1994-09-30 1996-11-12 Palomar Technologies Corporation Radio frequency identification transponder apparatus and method

Also Published As

Publication number Publication date
FR2795239A1 (fr) 2000-12-22

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse

Effective date: 20061031