FR2327672A1 - Demodulateur stereophonique realise sous forme de circuit integre - Google Patents

Demodulateur stereophonique realise sous forme de circuit integre

Info

Publication number
FR2327672A1
FR2327672A1 FR7630334A FR7630334A FR2327672A1 FR 2327672 A1 FR2327672 A1 FR 2327672A1 FR 7630334 A FR7630334 A FR 7630334A FR 7630334 A FR7630334 A FR 7630334A FR 2327672 A1 FR2327672 A1 FR 2327672A1
Authority
FR
France
Prior art keywords
integrated circuit
stereophonic demodulator
demodulator made
stereophonic
integrated
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
FR7630334A
Other languages
English (en)
Other versions
FR2327672B1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP12227675A external-priority patent/JPS5831058B2/ja
Priority claimed from JP12200875A external-priority patent/JPS5846898B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2327672A1 publication Critical patent/FR2327672A1/fr
Application granted granted Critical
Publication of FR2327672B1 publication Critical patent/FR2327672B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
    • H03D1/2227—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using switches for the decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
FR7630334A 1975-10-09 1976-10-08 Demodulateur stereophonique realise sous forme de circuit integre Granted FR2327672A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12227675A JPS5831058B2 (ja) 1975-10-09 1975-10-09 ステレオフクチヨウカイロ
JP12200875A JPS5846898B2 (ja) 1975-10-10 1975-10-10 ステレオフクチヨウカイロ

Publications (2)

Publication Number Publication Date
FR2327672A1 true FR2327672A1 (fr) 1977-05-06
FR2327672B1 FR2327672B1 (fr) 1980-08-08

Family

ID=26459235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7630334A Granted FR2327672A1 (fr) 1975-10-09 1976-10-08 Demodulateur stereophonique realise sous forme de circuit integre

Country Status (7)

Country Link
US (1) US4049918A (fr)
AU (1) AU504958B2 (fr)
CA (1) CA1073059A (fr)
DE (1) DE2645774C2 (fr)
FR (1) FR2327672A1 (fr)
GB (1) GB1529080A (fr)
NL (1) NL189331C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326554A (en) * 1976-08-24 1978-03-11 Sony Corp Tr ansistor circuit
JPS5921233B2 (ja) * 1976-09-14 1984-05-18 ソニー株式会社 ステレオ復調回路
JPS5636246A (en) * 1979-08-31 1981-04-09 Nec Corp Stereo signal demodulating circuit
JPS5854692B2 (ja) * 1979-12-28 1983-12-06 三洋電機株式会社 ステレオマルチプレックス回路
DE3130341A1 (de) * 1980-09-17 1982-06-16 Hitachi, Ltd., Tokyo Rauschsperre und mit dieser versehener fm-funkempfaenger
JPS5943644A (ja) * 1982-09-04 1984-03-10 Pioneer Electronic Corp Ｆｍステレオ復調回路
JPS59226531A (ja) * 1983-06-08 1984-12-19 Sony Corp Ｆｍステレオ復調回路
JP3891896B2 (ja) * 2002-07-12 2007-03-14 株式会社豊田自動織機 セパレーション調整回路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037119A1 (de) * 1969-07-29 1971-05-19 Pioneer Electronic Corp Demodulator fur FM Multiplex Signale
US3752934A (en) * 1969-12-19 1973-08-14 N Shoichi Stereo demodulating circuit triggered by a minimum input signal level
US3947645A (en) * 1973-09-13 1976-03-30 Pioneer Electronic Corporation Demultiplexer for FM stereophonic receivers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573382A (en) * 1969-02-06 1971-04-06 Motorola Inc A stereophonic receiver muting means with substitution of a dc circuit for an ac circuit
DE2004572A1 (de) * 1969-02-07 1971-03-04 Motorola Inc Multiplex Demodulatorschaltung fur einen Stereo Empfanger
US3711652A (en) * 1971-03-10 1973-01-16 Gen Electric Monolithic stereo decoder with balanced decoder operation
US3875522A (en) * 1973-04-13 1975-04-01 Signetics Corp Integrated direct-coupled electronic attenuator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037119A1 (de) * 1969-07-29 1971-05-19 Pioneer Electronic Corp Demodulator fur FM Multiplex Signale
US3752934A (en) * 1969-12-19 1973-08-14 N Shoichi Stereo demodulating circuit triggered by a minimum input signal level
US3947645A (en) * 1973-09-13 1976-03-30 Pioneer Electronic Corporation Demultiplexer for FM stereophonic receivers

Also Published As

Publication number Publication date
NL7611051A (nl) 1977-04-13
DE2645774A1 (de) 1977-04-21
GB1529080A (en) 1978-10-18
NL189331B (nl) 1992-10-01
AU1841076A (en) 1978-04-13
US4049918A (en) 1977-09-20
FR2327672B1 (fr) 1980-08-08
AU504958B2 (en) 1979-11-01
DE2645774C2 (de) 1984-03-08
CA1073059A (fr) 1980-03-04
NL189331C (nl) 1993-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse