FR2487607B1 - SYNCHRONIZED OSCILLATOR CIRCUIT AND APPLICATION TO LINE SCANNING IN A TELEVISION - Google Patents

SYNCHRONIZED OSCILLATOR CIRCUIT AND APPLICATION TO LINE SCANNING IN A TELEVISION

Info

Publication number
FR2487607B1
FR2487607B1 FR8016489A FR8016489A FR2487607B1 FR 2487607 B1 FR2487607 B1 FR 2487607B1 FR 8016489 A FR8016489 A FR 8016489A FR 8016489 A FR8016489 A FR 8016489A FR 2487607 B1 FR2487607 B1 FR 2487607B1
Authority
FR
France
Prior art keywords
television
application
oscillator circuit
line scanning
synchronized oscillator
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
FR8016489A
Other languages
French (fr)
Other versions
FR2487607A1 (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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8016489A priority Critical patent/FR2487607B1/en
Publication of FR2487607A1 publication Critical patent/FR2487607A1/en
Application granted granted Critical
Publication of FR2487607B1 publication Critical patent/FR2487607B1/en
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
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
FR8016489A 1980-07-25 1980-07-25 SYNCHRONIZED OSCILLATOR CIRCUIT AND APPLICATION TO LINE SCANNING IN A TELEVISION Expired FR2487607B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8016489A FR2487607B1 (en) 1980-07-25 1980-07-25 SYNCHRONIZED OSCILLATOR CIRCUIT AND APPLICATION TO LINE SCANNING IN A TELEVISION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8016489A FR2487607B1 (en) 1980-07-25 1980-07-25 SYNCHRONIZED OSCILLATOR CIRCUIT AND APPLICATION TO LINE SCANNING IN A TELEVISION

Publications (2)

Publication Number Publication Date
FR2487607A1 FR2487607A1 (en) 1982-01-29
FR2487607B1 true FR2487607B1 (en) 1985-07-05

Family

ID=9244557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8016489A Expired FR2487607B1 (en) 1980-07-25 1980-07-25 SYNCHRONIZED OSCILLATOR CIRCUIT AND APPLICATION TO LINE SCANNING IN A TELEVISION

Country Status (1)

Country Link
FR (1) FR2487607B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307595A1 (en) * 1987-09-11 1989-03-22 Siemens Aktiengesellschaft Circuit arrangement for generating two very near frequencies
NL8901698A (en) * 1989-07-04 1991-02-01 Philips Nv OSCILLATOR SWITCH.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1274201B (en) * 1966-02-16 1968-08-01 Wandel & Goltermann Quartz frequency decade switchable in chain
NL158342B (en) * 1971-03-16 1978-10-16 Philips Nv TELEVISION RECEIVER WITH A PICTURE LINE SYNCHRONIZER CIRCUIT AND A PICTURE LINE SYNCHRONIZER CIRCUIT FOR THIS RECEIVER.
US4131861A (en) * 1977-12-30 1978-12-26 International Business Machines Corporation Variable frequency oscillator system including two matched oscillators controlled by a phase locked loop

Also Published As

Publication number Publication date
FR2487607A1 (en) 1982-01-29

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