DE2514181A1 - Kraftfahrzeug-radioempfaenger - Google Patents

Kraftfahrzeug-radioempfaenger

Info

Publication number
DE2514181A1
DE2514181A1 DE19752514181 DE2514181A DE2514181A1 DE 2514181 A1 DE2514181 A1 DE 2514181A1 DE 19752514181 DE19752514181 DE 19752514181 DE 2514181 A DE2514181 A DE 2514181A DE 2514181 A1 DE2514181 A1 DE 2514181A1
Authority
DE
Germany
Prior art keywords
signal
antenna
circuit
receiver
level
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.)
Pending
Application number
DE19752514181
Other languages
German (de)
English (en)
Inventor
Jeffrey Hobson Sykes
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co Ltd
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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Publication of DE2514181A1 publication Critical patent/DE2514181A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE19752514181 1974-03-29 1975-04-01 Kraftfahrzeug-radioempfaenger Pending DE2514181A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1419874 1974-03-29

Publications (1)

Publication Number Publication Date
DE2514181A1 true DE2514181A1 (de) 1975-10-09

Family

ID=10036831

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752514181 Pending DE2514181A1 (de) 1974-03-29 1975-04-01 Kraftfahrzeug-radioempfaenger

Country Status (6)

Country Link
JP (1) JPS50134318A (es)
AU (1) AU7960975A (es)
DE (1) DE2514181A1 (es)
ES (1) ES436128A1 (es)
FR (1) FR2266428A1 (es)
IT (1) IT1032494B (es)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006627A1 (de) * 1980-02-22 1981-08-27 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum stoerungsfreien empfangen von ukw-signalen in fahrzeugen
DE3108029A1 (de) * 1980-03-03 1982-01-14 Pioneer Electronic Corp., Tokyo "antennenanlage"
DE3107970A1 (de) * 1980-03-03 1982-02-18 Pioneer Electronic Corp., Tokyo "fm-empfaenger"
US4495653A (en) * 1982-04-30 1985-01-22 Clarion Co., Ltd. Diversity receiver
US4525869A (en) * 1982-04-30 1985-06-25 Clarion Co., Ltd. Diversity receiver
EP0183443A1 (en) * 1984-11-15 1986-06-04 Toyota Jidosha Kabushiki Kaisha Automobile antenna system
US4696058A (en) * 1983-12-06 1987-09-22 Matsushita Electric Industrial Co., Ltd. Diversity receiver
US4811024A (en) * 1984-10-17 1989-03-07 Toyota Jidosha Kabushiki Kaisha Automobile antenna
DE3741698A1 (de) * 1987-12-09 1989-06-29 Blaupunkt Werke Gmbh Empfaenger fuer radiowellen mit mehreren antennen
US4845505A (en) * 1987-02-13 1989-07-04 Toyota Jidosha Kabushiki Kaisha Automobile antenna system for diversity reception
DE19910571A1 (de) * 1999-03-10 2000-09-14 Delphi Tech Inc Rundfunkempfangsvorrichtung
US7460845B2 (en) 2004-01-17 2008-12-02 Robert Bosch Gmbh Radio receiver system having two receiving antennas and two receivers connected thereto

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56117434A (en) * 1980-02-22 1981-09-14 Pioneer Electronic Corp Antenna device
JPS61136304A (ja) * 1984-12-06 1986-06-24 Toyota Motor Corp 自動車用アンテナ装置

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394779A (en) * 1980-02-22 1983-07-19 Robert Bosch Gmbh Method and system for receiving distortion-free FM signals by vehicular radios
DE3006627A1 (de) * 1980-02-22 1981-08-27 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum stoerungsfreien empfangen von ukw-signalen in fahrzeugen
DE3108029A1 (de) * 1980-03-03 1982-01-14 Pioneer Electronic Corp., Tokyo "antennenanlage"
DE3107970A1 (de) * 1980-03-03 1982-02-18 Pioneer Electronic Corp., Tokyo "fm-empfaenger"
US4495653A (en) * 1982-04-30 1985-01-22 Clarion Co., Ltd. Diversity receiver
US4525869A (en) * 1982-04-30 1985-06-25 Clarion Co., Ltd. Diversity receiver
US4696058A (en) * 1983-12-06 1987-09-22 Matsushita Electric Industrial Co., Ltd. Diversity receiver
US4811024A (en) * 1984-10-17 1989-03-07 Toyota Jidosha Kabushiki Kaisha Automobile antenna
US4811330A (en) * 1984-11-15 1989-03-07 Toyota Jidosha Kabushiki Kaisha Automobile antenna system
EP0183443A1 (en) * 1984-11-15 1986-06-04 Toyota Jidosha Kabushiki Kaisha Automobile antenna system
US4845505A (en) * 1987-02-13 1989-07-04 Toyota Jidosha Kabushiki Kaisha Automobile antenna system for diversity reception
DE3741698A1 (de) * 1987-12-09 1989-06-29 Blaupunkt Werke Gmbh Empfaenger fuer radiowellen mit mehreren antennen
DE19910571A1 (de) * 1999-03-10 2000-09-14 Delphi Tech Inc Rundfunkempfangsvorrichtung
US7460845B2 (en) 2004-01-17 2008-12-02 Robert Bosch Gmbh Radio receiver system having two receiving antennas and two receivers connected thereto

Also Published As

Publication number Publication date
AU7960975A (en) 1976-09-30
IT1032494B (it) 1979-05-30
FR2266428A1 (en) 1975-10-24
ES436128A1 (es) 1977-01-01
JPS50134318A (es) 1975-10-24

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