GB1505358A - Stereo demodulator circuit - Google Patents

Stereo demodulator circuit

Info

Publication number
GB1505358A
GB1505358A GB11218/75A GB1121875A GB1505358A GB 1505358 A GB1505358 A GB 1505358A GB 11218/75 A GB11218/75 A GB 11218/75A GB 1121875 A GB1121875 A GB 1121875A GB 1505358 A GB1505358 A GB 1505358A
Authority
GB
United Kingdom
Prior art keywords
signal
sub
channel signals
produce
composite
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
GB11218/75A
Other languages
English (en)
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 GB1505358A publication Critical patent/GB1505358A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • H03D1/22Homodyne or synchrodyne circuits
    • H03D1/2209Decoders 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
    • H03D1/2227Decoders 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)
GB11218/75A 1974-03-28 1975-03-18 Stereo demodulator circuit Expired GB1505358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US455841A US3916109A (en) 1974-03-28 1974-03-28 Stereo demodulating circuits and method of demodulation

Publications (1)

Publication Number Publication Date
GB1505358A true GB1505358A (en) 1978-03-30

Family

ID=23810481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11218/75A Expired GB1505358A (en) 1974-03-28 1975-03-18 Stereo demodulator circuit

Country Status (6)

Country Link
US (1) US3916109A (https=)
JP (1) JPS5513658B2 (https=)
DE (1) DE2513790C2 (https=)
FR (1) FR2266372B1 (https=)
GB (1) GB1505358A (https=)
HK (1) HK781A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558111A (en) * 1978-06-30 1980-01-21 Pioneer Electronic Corp Stereo demodulation circuit
JPS5832359Y2 (ja) * 1978-09-18 1983-07-18 株式会社ケンウッド ステレオ復調器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25699E (en) * 1954-04-26 1964-12-15 Simplified two-channel multiplex system
NL7001466A (https=) * 1969-02-07 1970-08-11
US3798376A (en) * 1969-12-29 1974-03-19 Rca Corp Multiplex decoding system
DE2127545C3 (de) * 1970-06-09 1979-05-23 Sony Corp., Tokio Transistor-Gate-Schaltung

Also Published As

Publication number Publication date
DE2513790C2 (de) 1983-01-20
US3916109A (en) 1975-10-28
FR2266372B1 (https=) 1980-08-01
DE2513790A1 (de) 1975-10-09
JPS5513658B2 (https=) 1980-04-10
FR2266372A1 (https=) 1975-10-24
JPS50131702A (https=) 1975-10-18
HK781A (en) 1981-01-23

Similar Documents

Publication Publication Date Title
GB1503945A (en) Compatible stereophonic radio receiver
GB1335738A (en) Compatible four channel fm system
US3617641A (en) Stereo multiplex demodulator
US3787629A (en) Apparatus for distinguishing between various fm broadcast multiplex transmissions
GB1332513A (en) Signal separation apparatus for stereophonic multiplex receivers
GB1505329A (en) Apparatus for wireless transmission of audio-frequency signals
GB1536963A (en) Stereo-signal decoder circuits
GB1505358A (en) Stereo demodulator circuit
ES457535A1 (es) Perfeccionamientos en sistemas de emision y recepcion en am para la transmision con dos senales en una sola onda porta- dora.
ATE17177T1 (de) Einrichtung zum empfang von fernsehsignalen mit linken und rechten stereotonsignalen.
GB1529080A (en) Mpx stereo signal demodulators
GB1377080A (en) Stereophonic reproducing system
ATE18484T1 (de) Fernseh-empfaenger zur wiedergabe von sendungen mit stereoton.
GB1521550A (en) Stereophonic demodulator apparatus
GB1396353A (en) Sound reproduction system
GB1379771A (en) Decoder for quadruphonic sound
JPS55136740A (en) Receiver for multiplex signal
US4115663A (en) Doubly balanced demodulator for multiple channel FM stereo system
US4056685A (en) Signal distributing and muting system for multiple channel FM stereo system
GB1403343A (en) Signal synthesizing system adaptable for discrete four-channel sound reproducing system and matrix four-chennel sound reproducing system
JPS5612180A (en) Sound multiplex receiver
GB1367429A (en) Radio systems for transmitting and receiving quadraphonic signals
GB1422832A (en) Encoding system for forming 2-channel signals from a plurality of sound signals
GB1504392A (en) Compatible four channel radio broadcast and receiving system
GB1504576A (en) Radio receivers and transmitters

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950317