FR1251873A - Device for stereophonic reproduction of signals - Google Patents

Device for stereophonic reproduction of signals

Info

Publication number
FR1251873A
FR1251873A FR822223A FR822223A FR1251873A FR 1251873 A FR1251873 A FR 1251873A FR 822223 A FR822223 A FR 822223A FR 822223 A FR822223 A FR 822223A FR 1251873 A FR1251873 A FR 1251873A
Authority
FR
France
Prior art keywords
signals
stereophonic reproduction
stereophonic
reproduction
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
FR822223A
Other languages
French (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR822223A priority Critical patent/FR1251873A/en
Application granted granted Critical
Publication of FR1251873A publication Critical patent/FR1251873A/en
Expired 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
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • 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
    • H03D1/2218—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 diodes for the decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Stereo-Broadcasting Methods (AREA)
FR822223A 1959-03-23 1960-03-23 Device for stereophonic reproduction of signals Expired FR1251873A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR822223A FR1251873A (en) 1959-03-23 1960-03-23 Device for stereophonic reproduction of signals

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL237409 1959-03-23
NL248992 1960-03-02
FR822223A FR1251873A (en) 1959-03-23 1960-03-23 Device for stereophonic reproduction of signals

Publications (1)

Publication Number Publication Date
FR1251873A true FR1251873A (en) 1961-01-20

Family

ID=26641679

Family Applications (2)

Application Number Title Priority Date Filing Date
FR822223A Expired FR1251873A (en) 1959-03-23 1960-03-23 Device for stereophonic reproduction of signals
FR854269A Expired FR79291E (en) 1959-03-23 1961-03-01 Device for stereophonic reproduction of signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR854269A Expired FR79291E (en) 1959-03-23 1961-03-01 Device for stereophonic reproduction of signals

Country Status (8)

Country Link
US (2) US3087994A (en)
CH (2) CH392628A (en)
DE (2) DE1100086B (en)
FR (2) FR1251873A (en)
GB (2) GB926357A (en)
NL (4) NL107891C (en)
OA (1) OA00826A (en)
SE (1) SE303310B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219759A (en) * 1960-10-31 1965-11-23 Gen Electric System for deemphasizing and separating amplitude modulation components from a signal
NL279877A (en) * 1961-06-19
US3258537A (en) * 1961-11-16 1966-06-28 Gen Dynamics Corp Frequency modulation sum and difference stereo having pre-detection compensating means
NL289154A (en) * 1962-02-22
US3152224A (en) * 1962-08-01 1964-10-06 Zenith Radio Corp F. m. stereophonic multiplex receiver having a single volume control for adjusting the magnitude of the signals presented to the stereo detector and the output materixing means
US3329773A (en) * 1962-08-20 1967-07-04 Matsushita Electric Ind Co Ltd Method of selecting an fm stereophonic signal
GB1051619A (en) * 1962-09-07
US3272922A (en) * 1963-12-31 1966-09-13 Gen Electric Receiver circuit for stereo separation
US3248484A (en) * 1965-01-14 1966-04-26 Zenith Radio Corp Fm multiplex stereo receiver having selective bias to condition receiver for stereophonic reception only
US3339025A (en) * 1965-06-01 1967-08-29 Gen Electric De-emphasis network arrangement for am-fm radios
US4198543A (en) * 1979-01-19 1980-04-15 General Motors Corporation Stereo composite processor for stereo radio receiver
SE467797B (en) * 1991-01-16 1992-09-14 Excelsior Dev Inc TORQUE NUTS OR TIGHTNESS SCREW WITH CONIC THREAD TAPE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL90521C (en) * 1951-04-28 1959-02-18 Philips Nv Transmission system of stereophonic signals as well as transmitters and receivers to be used in this transmission system
US2851532A (en) * 1953-04-21 1958-09-09 Murray G Crosby Multiplex communication system

Also Published As

Publication number Publication date
GB949225A (en) 1964-02-12
NL248992A (en)
SE303310B (en) 1968-08-26
CH425898A (en) 1966-12-15
FR79291E (en) 1962-11-09
DE1100086B (en) 1961-02-23
US3087994A (en) 1963-04-30
OA00826A (en) 1967-11-15
DE1122578B (en) 1962-01-25
US3123673A (en) 1964-03-03
NL103480C (en)
NL237409A (en)
NL107891C (en)
CH392628A (en) 1965-05-31
GB926357A (en) 1963-05-15

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