FR820138A - Frequency servo method of a relaxation oscillation system - Google Patents

Frequency servo method of a relaxation oscillation system

Info

Publication number
FR820138A
FR820138A FR820138DA FR820138A FR 820138 A FR820138 A FR 820138A FR 820138D A FR820138D A FR 820138DA FR 820138 A FR820138 A FR 820138A
Authority
FR
France
Prior art keywords
oscillation system
relaxation oscillation
servo method
frequency servo
frequency
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
Other languages
French (fr)
Inventor
Pierre Marie Gabriel Toulon
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9093871&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR820138(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Application granted granted Critical
Publication of FR820138A publication Critical patent/FR820138A/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
    • H04N5/06—Generation of synchronising signals
    • H04N5/067—Arrangements or circuits at the transmitter end
    • 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
    • H04N5/123—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 directly commands a frequency generator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Synchronizing For Television (AREA)
FR820138D 1936-07-08 1936-07-08 Frequency servo method of a relaxation oscillation system Expired FR820138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR720583X 1936-07-08

Publications (1)

Publication Number Publication Date
FR820138A true FR820138A (en) 1937-11-04

Family

ID=9093871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820138D Expired FR820138A (en) 1936-07-08 1936-07-08 Frequency servo method of a relaxation oscillation system

Country Status (3)

Country Link
US (2) US2227815A (en)
DE (1) DE720583C (en)
FR (1) FR820138A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE898319C (en) * 1940-08-27 1953-11-30 Siemens Ag Vibration generator dragged along by an external frequency
DE909210C (en) * 1947-09-27 1954-04-15 Rca Corp Arrangement for synchronizing a deflection generator
DE970675C (en) * 1924-03-17 1958-10-16 Siemens Ag Pulled along generator

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453988A (en) * 1942-07-10 1948-11-16 Radio Patents Corp Automatic frequency control
BE470457A (en) * 1942-09-11
US2453203A (en) * 1943-06-19 1948-11-09 Ibm Variable frequency relaxation oscillator
US2428617A (en) * 1943-06-19 1947-10-07 Ibm Gas-filled tube type of relaxation oscillator system
US2426910A (en) * 1944-01-27 1947-09-02 Rca Corp Measurement of time between pulses
US2475063A (en) * 1944-02-24 1949-07-05 Rca Corp Regulated high-voltage apparatus
DE972119C (en) * 1944-03-22 1959-05-27 Fernseh Gmbh Procedure for phase measurement
US2458156A (en) * 1944-07-29 1949-01-04 Rca Corp Automatic frequency control system
US2448070A (en) * 1944-08-30 1948-08-31 Philco Corp Saw-tooth generator with automatic amplitude control
US2493600A (en) * 1944-11-17 1950-01-03 Gen Electric Sweep circuit
US2459624A (en) * 1945-03-29 1949-01-18 Westinghouse Electric Corp Control circuit
US2543066A (en) * 1947-02-01 1951-02-27 Farnsworth Res Corp Automatic picture phasing circuit
BE495914A (en) * 1949-05-26
BE500219A (en) * 1949-12-30
NL164229B (en) * 1951-07-16 Krupp Ag Huettenwerke WITH RUBBER SUSPENSION WHEEL FOR RAIL VEHICLES.
DE945400C (en) * 1952-01-25 1956-07-05 Max Grundig Process for generating control voltages for the automatic frequency control of ripple generators, especially for the line deflection of television receivers
US2900573A (en) * 1957-08-12 1959-08-18 Westinghouse Electric Corp Resistance welding control for bench welder
DE1281559B (en) * 1961-06-14 1968-10-31 Electricite De France Method and device for measuring the phase angle between two electrical alternating voltages

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970675C (en) * 1924-03-17 1958-10-16 Siemens Ag Pulled along generator
DE898319C (en) * 1940-08-27 1953-11-30 Siemens Ag Vibration generator dragged along by an external frequency
DE909210C (en) * 1947-09-27 1954-04-15 Rca Corp Arrangement for synchronizing a deflection generator

Also Published As

Publication number Publication date
US2227815A (en) 1941-01-07
USRE22055E (en) 1942-03-24
DE720583C (en) 1942-05-09

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