JPH02903B2 - - Google Patents

Info

Publication number
JPH02903B2
JPH02903B2 JP58502439A JP50243983A JPH02903B2 JP H02903 B2 JPH02903 B2 JP H02903B2 JP 58502439 A JP58502439 A JP 58502439A JP 50243983 A JP50243983 A JP 50243983A JP H02903 B2 JPH02903 B2 JP H02903B2
Authority
JP
Japan
Prior art keywords
signal
output
circuit
stereo
input
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
Application number
JP58502439A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59500795A (ja
Inventor
Roorensu Etsukurando
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of JPS59500795A publication Critical patent/JPS59500795A/ja
Publication of JPH02903B2 publication Critical patent/JPH02903B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
    • H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
    • H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
    • H04H20/49—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for AM stereophonic broadcast systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
JP58502439A 1982-06-08 1983-06-07 Ａｍステレオ受信機用保護回路 Granted JPS59500795A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US386374 1982-06-08
US06/386,374 US4489431A (en) 1982-06-08 1982-06-08 Signal interference protection circuit for AM stereo receiver
PCT/US1983/000906 WO1983004459A1 (en) 1982-06-08 1983-06-07 Signal interference protection circuit for am stereo receiver

Publications (2)

Publication Number Publication Date
JPS59500795A JPS59500795A (ja) 1984-05-04
JPH02903B2 true JPH02903B2 (OSRAM) 1990-01-09

Family

ID=23525326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58502439A Granted JPS59500795A (ja) 1982-06-08 1983-06-07 Ａｍステレオ受信機用保護回路

Country Status (11)

Country Link
US (1) US4489431A (OSRAM)
EP (1) EP0110994B1 (OSRAM)
JP (1) JPS59500795A (OSRAM)
KR (1) KR860001325B1 (OSRAM)
BR (1) BR8307398A (OSRAM)
CA (1) CA1196387A (OSRAM)
DE (1) DE3379373D1 (OSRAM)
HK (1) HK25692A (OSRAM)
MX (1) MX152521A (OSRAM)
SG (1) SG17692G (OSRAM)
WO (1) WO1983004459A1 (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716590A (en) * 1984-01-17 1987-12-29 Sansui Electric Co., Ltd. AM stereo transmission method and apparatus
US4653095A (en) * 1986-02-06 1987-03-24 Kahn Leonard R AM stereo receivers having platform motion protection
US5008939A (en) * 1989-07-28 1991-04-16 Bose Corporation AM noise reducing
US5151939A (en) * 1990-03-21 1992-09-29 Delco Electronics Corporation Adaptive audio processor for am stereo signals
EP0509725B1 (en) 1991-04-18 1999-03-17 Bose Corporation Reducing audible noise in stereo receiving
DE19630392C2 (de) * 1996-07-26 1998-10-01 Sgs Thomson Microelectronics Stereodecoder mit gleitendem Übergang zwischen Stereobetrieb und Monobetrieb
US6570500B1 (en) * 2001-11-09 2003-05-27 Nokia Corporation Infra-sound surveillance system
US8144878B2 (en) 2006-03-06 2012-03-27 Mediatek Inc. FM receiver and pilot detector thereof, and method for determining a type of a processed signal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944749A (en) * 1972-05-10 1976-03-16 Kahn Leonard R Compatible AM stereophonic receivers involving sideband separation at IF frequency
US4192970A (en) * 1977-01-31 1980-03-11 Kahn Leonard R Reduction of adjacent channel interference
US4332978A (en) * 1977-03-21 1982-06-01 The Magnavox Consumer Electronics Co. Low frequency AM stereophonic broadcast and receiving apparatus
US4159398A (en) * 1977-09-27 1979-06-26 Motorola, Inc. Stereo presence signal for an AM stereo system
US4169968A (en) * 1978-01-27 1979-10-02 Motorola, Inc. Noise protection circuit for am stereo cosine correction factor
JPS5735440A (en) * 1980-08-12 1982-02-26 Sony Corp Mode switching controller for am stereo receiver
JPS5780842A (en) * 1980-11-07 1982-05-20 Matsushita Electric Ind Co Ltd Pilot signal detecting device
US4379208A (en) * 1980-11-13 1983-04-05 National Semiconductor Corporation AM Stereo receiver logic
US4368356A (en) * 1981-03-20 1983-01-11 Motorola Inc. Pilot tone detector utilizing phase deviation signals

Also Published As

Publication number Publication date
EP0110994B1 (en) 1989-03-08
SG17692G (en) 1992-04-16
JPS59500795A (ja) 1984-05-04
DE3379373D1 (en) 1989-04-13
KR840005289A (ko) 1984-11-05
CA1196387A (en) 1985-11-05
EP0110994A4 (en) 1985-09-16
EP0110994A1 (en) 1984-06-20
MX152521A (es) 1985-08-14
WO1983004459A1 (en) 1983-12-22
HK25692A (en) 1992-04-16
US4489431A (en) 1984-12-18
KR860001325B1 (ko) 1986-09-13
BR8307398A (pt) 1984-05-08

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