IL61998A - Am stereophonic receiver - Google Patents

Am stereophonic receiver

Info

Publication number
IL61998A
IL61998A IL61998A IL6199881A IL61998A IL 61998 A IL61998 A IL 61998A IL 61998 A IL61998 A IL 61998A IL 6199881 A IL6199881 A IL 6199881A IL 61998 A IL61998 A IL 61998A
Authority
IL
Israel
Prior art keywords
stereophonic receiver
stereophonic
receiver
Prior art date
Application number
IL61998A
Other languages
English (en)
Other versions
IL61998A0 (en
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 IL61998A0 publication Critical patent/IL61998A0/xx
Publication of IL61998A publication Critical patent/IL61998A/xx

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
    • H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
    • H01L31/101—Devices sensitive to infrared, visible or ultraviolet radiation
    • H01L31/112—Devices sensitive to infrared, visible or ultraviolet radiation characterised by field-effect operation, e.g. junction field-effect phototransistor
    • H01L31/1121—Devices with Schottky gate
    • H01L31/1123—Devices with Schottky gate the device being a photo MESFET

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuits Of Receivers In General (AREA)
IL61998A 1980-03-24 1981-01-27 Am stereophonic receiver IL61998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/133,189 US4371747A (en) 1980-03-24 1980-03-24 AM Stereophonic decoder

Publications (2)

Publication Number Publication Date
IL61998A0 IL61998A0 (en) 1981-02-27
IL61998A true IL61998A (en) 1984-02-29

Family

ID=22457414

Family Applications (1)

Application Number Title Priority Date Filing Date
IL61998A IL61998A (en) 1980-03-24 1981-01-27 Am stereophonic receiver

Country Status (16)

Country Link
US (1) US4371747A (ko)
EP (1) EP0048729B1 (ko)
JP (1) JPS5915424B2 (ko)
KR (1) KR860000311B1 (ko)
AR (1) AR226585A1 (ko)
BR (1) BR8107943A (ko)
CA (1) CA1152159A (ko)
DE (1) DE3165602D1 (ko)
ES (1) ES500620A0 (ko)
IL (1) IL61998A (ko)
IT (1) IT1142352B (ko)
MX (1) MX149526A (ko)
PT (1) PT72652B (ko)
SG (1) SG67687G (ko)
WO (1) WO1981002822A1 (ko)
ZA (1) ZA81854B (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499426A (en) * 1980-07-02 1985-02-12 Motorola, Inc. Baseband discriminator for frequency or transform modulation
US4490837A (en) * 1982-08-30 1984-12-25 Motorola, Inc. AM Stereo to FM stereo converter
US4618981A (en) * 1985-02-28 1986-10-21 Motorola, Inc. Tone detector with pseudo phase locked loop
US4631745A (en) * 1985-04-26 1986-12-23 Motorola, Inc. Analog divider with minimal phase distortion
US4679237A (en) * 1985-08-02 1987-07-07 Motorola, Inc. Correction control circuit for AM stereophonic receivers
US4757539A (en) * 1985-12-19 1988-07-12 Sanyo Electric Co., Ltd. Apparatus and method for decoding an AM stereo broadcasting signal of an independent sideband system
US4688254A (en) * 1986-04-01 1987-08-18 Motorola, Inc. Controlled blend for AM stereo receivers
US4680794A (en) * 1986-07-29 1987-07-14 Motorola, Inc. AM stereo system with modified spectrum
US5014316A (en) * 1990-03-21 1991-05-07 Delco Electronics Corporation Compatible quadrature amplitude modulation detector system
US5222144A (en) * 1991-10-28 1993-06-22 Ford Motor Company Digital quadrature radio receiver with two-step processing
JP3586006B2 (ja) * 1995-09-08 2004-11-10 東芝デジタルメディアエンジニアリング株式会社 Ａｍステレオデコーダ回路

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043914A (en) * 1958-10-20 1962-07-10 Philco Corp Single channel stereophonic system
US3231672A (en) * 1958-10-20 1966-01-25 Philco Corp Transmission system for stereophonic signals
US3007005A (en) * 1959-02-12 1961-10-31 Philco Corp Transmitter for stereophonic information signals
DE1252283B (ko) * 1959-03-16
US3089096A (en) * 1959-04-09 1963-05-07 Philco Corp Stereophonic detector and matrixing circuit
US3068475A (en) * 1959-10-07 1962-12-11 Rca Corp Stereophonic sound signalling system
US3080453A (en) * 1959-11-13 1963-03-05 Rca Corp Stereophonic sound receiver system
US3067293A (en) * 1959-11-19 1962-12-04 Philco Corp Single channel stereophonic broad-casting system
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3068419A (en) * 1960-09-23 1962-12-11 Philco Corp Amplitude limiter bridge with conjugate signal input and limited output
NL6608507A (ko) * 1966-06-18 1967-12-19
US3908090A (en) * 1972-05-10 1975-09-23 Leonard R Kahn Compatible AM stereophonic transmission system
US3823268A (en) * 1972-06-07 1974-07-09 Mc Intosh Labor Inc Dynamic stereo separation control
US4018994A (en) * 1974-07-10 1977-04-19 Kahn Leonard R Compatible AM stereophonic receivers
US4037057A (en) * 1974-08-01 1977-07-19 Nippon Gakki Seizo Kabushiki Kaisha Noise-cancelling apparatus for FM stereo receiver
GB1550400A (en) * 1975-12-26 1979-08-15 Sansui Electric Co Stereophonic transmission and reception system
US4218586A (en) * 1976-04-07 1980-08-19 Motorola, Inc. Compatible AM stereo broadcast system
GB1565405A (en) * 1976-04-07 1980-04-23 Motorola Inc Compatible am stereo broadcast system including transmitter and receiver
US4172966A (en) * 1978-02-23 1979-10-30 Motorola, Inc. AM stereophonic receiver

Also Published As

Publication number Publication date
ZA81854B (en) 1982-03-31
SG67687G (en) 1988-02-19
US4371747A (en) 1983-02-01
CA1152159A (en) 1983-08-16
IT8148041A0 (it) 1981-03-17
IT1142352B (it) 1986-10-08
KR830005779A (ko) 1983-09-09
EP0048729A1 (en) 1982-04-07
ES8203179A1 (es) 1982-03-01
ES500620A0 (es) 1982-03-01
AR226585A1 (es) 1982-07-30
JPS57500360A (ko) 1982-02-25
PT72652A (en) 1981-04-01
WO1981002822A1 (en) 1981-10-01
IL61998A0 (en) 1981-02-27
EP0048729A4 (en) 1982-08-05
KR860000311B1 (ko) 1986-03-31
PT72652B (en) 1982-06-01
JPS5915424B2 (ja) 1984-04-09
EP0048729B1 (en) 1984-08-22
MX149526A (es) 1983-11-18
BR8107943A (pt) 1982-03-09
DE3165602D1 (de) 1984-09-27

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Legal Events

Date Code Title Description
KB Patent renewed
EXP Patent expired