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NL162529C - Schakeling in een fm-ontvanger met automatische omscha- keling van monorale naar stereofonische weergave en andersom. - Google Patents

Schakeling in een fm-ontvanger met automatische omscha- keling van monorale naar stereofonische weergave en andersom.

Info

Publication number
NL162529C
NL162529C NL7018486.A NL7018486A NL162529C NL 162529 C NL162529 C NL 162529C NL 7018486 A NL7018486 A NL 7018486A NL 162529 C NL162529 C NL 162529C
Authority
NL
Netherlands
Prior art keywords
monoral
receiver
switching
automatic changeover
stereophonic
Prior art date
Application number
NL7018486.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7018486A (xx
NL162529B (nl
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP10315669A external-priority patent/JPS5120841B1/ja
Priority claimed from JP10315469A external-priority patent/JPS5117842B1/ja
Priority claimed from JP10315569A external-priority patent/JPS49365B1/ja
Priority claimed from JP4881970A external-priority patent/JPS4913401B1/ja
Priority claimed from JP4882170A external-priority patent/JPS4913403B1/ja
Priority claimed from JP4882070A external-priority patent/JPS4913402B1/ja
Priority claimed from JP4882270A external-priority patent/JPS4913404B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of NL7018486A publication Critical patent/NL7018486A/xx
Publication of NL162529B publication Critical patent/NL162529B/xx
Application granted granted Critical
Publication of NL162529C publication Critical patent/NL162529C/xx

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)
NL7018486.A 1969-12-19 1970-12-18 Schakeling in een fm-ontvanger met automatische omscha- keling van monorale naar stereofonische weergave en andersom. NL162529C (nl)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP10315669A JPS5120841B1 (xx) 1969-12-19 1969-12-19
JP10315869 1969-12-19
JP10315469A JPS5117842B1 (xx) 1969-12-19 1969-12-19
JP10315569A JPS49365B1 (xx) 1969-12-19 1969-12-19
JP10315769 1969-12-19
JP4881970A JPS4913401B1 (xx) 1970-06-06 1970-06-06
JP4882170A JPS4913403B1 (xx) 1970-06-06 1970-06-06
JP4882070A JPS4913402B1 (xx) 1970-06-06 1970-06-06
JP4882270A JPS4913404B1 (xx) 1970-06-06 1970-06-06

Publications (3)

Publication Number Publication Date
NL7018486A NL7018486A (xx) 1971-06-22
NL162529B NL162529B (nl) 1979-12-17
NL162529C true NL162529C (nl) 1980-05-16

Family

ID=27576987

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7018486.A NL162529C (nl) 1969-12-19 1970-12-18 Schakeling in een fm-ontvanger met automatische omscha- keling van monorale naar stereofonische weergave en andersom.

Country Status (3)

Country Link
US (1) US3752934A (xx)
DE (1) DE2062550C3 (xx)
NL (1) NL162529C (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037057A (en) * 1974-08-01 1977-07-19 Nippon Gakki Seizo Kabushiki Kaisha Noise-cancelling apparatus for FM stereo receiver
JPS5179502A (en) * 1975-01-06 1976-07-10 Hitachi Ltd Efuemu maruchipuretsukusufukuchokairo
DE2511026A1 (de) * 1975-03-13 1976-09-16 Siemens Ag Schaltungsanordnung zur kontinuierlichen basisbreiteneinstellung in einem stereodecoder
JPS593905B2 (ja) * 1975-09-02 1984-01-26 パイオニア株式会社 Ｍｐｘ フクチヨウキノ パイロツトシンゴウジヨキヨソウチ
GB1529080A (en) * 1975-10-09 1978-10-18 Sony Corp Mpx stereo signal demodulators
JPS539403A (en) * 1976-07-14 1978-01-27 Pioneer Electronic Corp Fm stereophonic receiver
JPS5326554A (en) * 1976-08-24 1978-03-11 Sony Corp Tr ansistor circuit
US4127820A (en) * 1977-03-28 1978-11-28 Rca Corporation Electrical circuit for multiplexing and dividing different bands or frequencies
FR2400287A1 (fr) * 1977-08-09 1979-03-09 Simeau Bernard Reducteur de bruit pour signaux stereophoniques
JPS5586235A (en) * 1978-12-25 1980-06-28 Toshiba Corp Fm stereo signal demodulator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL289463A (xx) * 1962-02-26
DE1256703B (de) * 1963-01-31 1967-12-21 Opta Spezial G M B H Empfangsgeraet fuer ein- oder mehrkanalige Hochfrequenzsendungen mit Anzeige- und/oder Umschaltmitteln
DE1200364B (de) * 1963-09-05 1965-09-09 Telefunken Patent Schaltungsanordnung zur Gewinnung der beiden Lautsprechersignale auf der Empfangsseite bei der kompatiblen Rundfunk-Stereophonie nach dem Multiplexverfahren
US3384716A (en) * 1964-12-30 1968-05-21 Kabushikikaisha Taiko Kenki Switch means for automatic selection of monaural and stereo operation of an fm stereo receiver
DE1261887B (de) * 1965-11-13 1968-02-29 Standard Elektrik Lorenz Ag Schaltungsanordnung zur automatischen Mono-Stereo-Umschaltung fuer Stereo-Decoder mit einem Frequenzverdoppler
US3519846A (en) * 1967-08-10 1970-07-07 Zenith Radio Corp Frequency-doubler circuit
DE1294478B (de) * 1967-08-12 1969-05-08 Braun Ag Stereo-Decoder mit selbsttaetiger Umschaltung von monophonen auf stereophone Sendungen
US3569633A (en) * 1967-12-21 1971-03-09 Heath Co Fm stereo receiver having automatic threshold switching circuitry
US3584154A (en) * 1968-06-17 1971-06-08 Clarence Hunter Mcshan Stereo multiplex decoding system with a phase locked loop switching signal control
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

Also Published As

Publication number Publication date
DE2062550C3 (de) 1981-12-17
DE2062550A1 (de) 1971-12-02
DE2062550B2 (de) 1974-01-10
NL7018486A (xx) 1971-06-22
US3752934A (en) 1973-08-14
NL162529B (nl) 1979-12-17

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee