JPS57150242A - Diversity receiving device - Google Patents

Diversity receiving device

Info

Publication number
JPS57150242A
JPS57150242A JP56178117A JP17811781A JPS57150242A JP S57150242 A JPS57150242 A JP S57150242A JP 56178117 A JP56178117 A JP 56178117A JP 17811781 A JP17811781 A JP 17811781A JP S57150242 A JPS57150242 A JP S57150242A
Authority
JP
Japan
Prior art keywords
channel selection
automatic channel
stop signal
selection stop
receiving
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
JP56178117A
Other languages
Japanese (ja)
Other versions
JPS6019174B2 (en
Inventor
Masao Kawagishi
Raiji Tomiyama
Hiroshige Fukuhara
Masanori Hamada
Sadao Ono
Shoji Matsumaru
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.)
Nissan Motor Co Ltd
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
Nissan Motor 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 Clarion Co Ltd, Nissan Motor Co Ltd filed Critical Clarion Co Ltd
Priority to JP56178117A priority Critical patent/JPS6019174B2/en
Publication of JPS57150242A publication Critical patent/JPS57150242A/en
Publication of JPS6019174B2 publication Critical patent/JPS6019174B2/en
Expired 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
    • H04B7/0817—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 multiple receivers and antenna path selection
    • H04B7/082—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 multiple receivers and antenna path selection selecting best antenna path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Radio Transmission System (AREA)

Abstract

PURPOSE:To exactly execute automatic channel selection, by providing an automatic channel selection stop signal generator on only a receiving system whose antenna gain is highest, among plural receiving systems, and constituting it so that an automatic channel selection stop signal is applied to a local oscillation signal generator of a tuner of all the receiving systems. CONSTITUTION:An automatic channel selection stop signal generating circuit 10 is provided on an intermediate frequency amplifying stage 5a of a receiving system (a) whose antenna gain is highest, among plural receiving systems. A diversity switching signal outputted from a comparing circuit 9 operates so as to switch only a sound signal switching circuit 7. Also, an automatic channel selection stop signal is fetched from one automatic channel selection stop signal generating circuit 10, and is applied to a common local oscillation stage. In this regard, (b) denotes a receiving circuit system.
JP56178117A 1981-11-06 1981-11-06 Diversity receiving device Expired JPS6019174B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56178117A JPS6019174B2 (en) 1981-11-06 1981-11-06 Diversity receiving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56178117A JPS6019174B2 (en) 1981-11-06 1981-11-06 Diversity receiving device

Publications (2)

Publication Number Publication Date
JPS57150242A true JPS57150242A (en) 1982-09-17
JPS6019174B2 JPS6019174B2 (en) 1985-05-15

Family

ID=16042950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56178117A Expired JPS6019174B2 (en) 1981-11-06 1981-11-06 Diversity receiving device

Country Status (1)

Country Link
JP (1) JPS6019174B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60138284U (en) * 1984-02-25 1985-09-12 株式会社サンコ−シャ Lightning arrester retainer and terminal device

Also Published As

Publication number Publication date
JPS6019174B2 (en) 1985-05-15

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