FR2125497B1 - - Google Patents

Info

Publication number
FR2125497B1
FR2125497B1 FR7205128A FR7205128A FR2125497B1 FR 2125497 B1 FR2125497 B1 FR 2125497B1 FR 7205128 A FR7205128 A FR 7205128A FR 7205128 A FR7205128 A FR 7205128A FR 2125497 B1 FR2125497 B1 FR 2125497B1
Authority
FR
France
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
FR7205128A
Other versions
FR2125497A1 (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
Publication of FR2125497A1 publication Critical patent/FR2125497A1/fr
Application granted granted Critical
Publication of FR2125497B1 publication Critical patent/FR2125497B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR7205128A 1971-02-17 1972-02-16 Expired FR2125497B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL717102078A NL155157B (nl) 1971-02-17 1971-02-17 Demodulatorschakeling voor het demoduleren van een op een draaggolf gemoduleerd videosignaal.

Publications (2)

Publication Number Publication Date
FR2125497A1 FR2125497A1 (fr) 1972-09-29
FR2125497B1 true FR2125497B1 (fr) 1976-01-16

Family

ID=19812495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205128A Expired FR2125497B1 (fr) 1971-02-17 1972-02-16

Country Status (10)

Country Link
US (1) US3764925A (fr)
JP (1) JPS544204B1 (fr)
AT (1) AT310828B (fr)
CA (1) CA963151A (fr)
DE (1) DE2205237C3 (fr)
ES (1) ES399793A1 (fr)
FR (1) FR2125497B1 (fr)
GB (1) GB1359903A (fr)
IT (1) IT949090B (fr)
NL (1) NL155157B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527517B2 (fr) * 1972-12-01 1980-07-21
US3871022A (en) * 1973-12-03 1975-03-11 Motorola Inc Noise and overload protection circuit for synchronous demodulators
US3987481A (en) * 1974-05-09 1976-10-19 Motorola, Inc. Color television signal demodulation system
NL7508771A (nl) * 1975-07-23 1977-01-25 Philips Nv Gelijkrichtschakeling.
NL7613946A (nl) * 1976-12-16 1978-06-20 Philips Nv Televisieontvanger met een demodulatorschakeling voor het demoduleren van een op een draaggolf ge- moduleerd televisiesignaal.
US4634965A (en) * 1984-12-31 1987-01-06 Sundstrand Data Control, Inc. Charge balancing detection circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429636A (en) * 1943-05-25 1947-10-28 Sperry Gyroscope Co Inc Phase responsive apparatus
US3239768A (en) * 1963-04-22 1966-03-08 Honeywell Inc Demodulator having its two channels alternately rendered inactive to an input signal
US3241078A (en) * 1963-06-18 1966-03-15 Honeywell Inc Dual output synchronous detector utilizing transistorized differential amplifiers
FR1529585A (fr) * 1965-10-29 1968-06-21 Yissum Res Dev Co Accumulateur analogique de spectres
FR1480370A (fr) * 1966-03-31 1967-05-12 Thomson Houston Comp Francaise Perfectionnements aux dispositifs modulateur-démodulateur équilibrés
US3483488A (en) * 1967-10-12 1969-12-09 Tektronix Inc Balanced modulator-demodulator circuit with negative feedback in switching element

Also Published As

Publication number Publication date
DE2205237C3 (de) 1978-12-07
DE2205237B2 (de) 1976-12-30
AT310828B (de) 1973-10-25
JPS544204B1 (fr) 1979-03-03
US3764925A (en) 1973-10-09
DE2205237A1 (de) 1972-08-31
ES399793A1 (es) 1974-11-16
GB1359903A (en) 1974-07-17
IT949090B (it) 1973-06-11
FR2125497A1 (fr) 1972-09-29
CA963151A (en) 1975-02-18
NL7102078A (fr) 1972-08-21
AU3893472A (en) 1973-08-16
NL155157B (nl) 1977-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse