GB858299A - Improvements in and relating to automatic frequency control circuits - Google Patents

Improvements in and relating to automatic frequency control circuits

Info

Publication number
GB858299A
GB858299A GB660058A GB660058A GB858299A GB 858299 A GB858299 A GB 858299A GB 660058 A GB660058 A GB 660058A GB 660058 A GB660058 A GB 660058A GB 858299 A GB858299 A GB 858299A
Authority
GB
United Kingdom
Prior art keywords
output
phase
frequency
pulses
buffer stage
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
GB660058A
Other languages
English (en)
Inventor
Felix Rozner
Francis Oakes
John Victor James Corney
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.)
Ferguson Radio Corp Ltd
Original Assignee
Ferguson Radio Corp Ltd
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
Priority to NL100309D priority Critical patent/NL100309C/xx
Application filed by Ferguson Radio Corp Ltd filed Critical Ferguson Radio Corp Ltd
Priority to GB660058A priority patent/GB858299A/en
Priority to DEF27821A priority patent/DE1214721B/de
Publication of GB858299A publication Critical patent/GB858299A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Amplifiers (AREA)
GB660058A 1958-02-28 1958-02-28 Improvements in and relating to automatic frequency control circuits Expired GB858299A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL100309D NL100309C (forum.php) 1958-02-28
GB660058A GB858299A (en) 1958-02-28 1958-02-28 Improvements in and relating to automatic frequency control circuits
DEF27821A DE1214721B (de) 1958-02-28 1959-02-28 Automatische Frequenzregelschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB660058A GB858299A (en) 1958-02-28 1958-02-28 Improvements in and relating to automatic frequency control circuits

Publications (1)

Publication Number Publication Date
GB858299A true GB858299A (en) 1961-01-11

Family

ID=9817446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB660058A Expired GB858299A (en) 1958-02-28 1958-02-28 Improvements in and relating to automatic frequency control circuits

Country Status (3)

Country Link
DE (1) DE1214721B (forum.php)
GB (1) GB858299A (forum.php)
NL (1) NL100309C (forum.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282067B (de) * 1967-05-09 1968-11-07 Siemens Ag Verfahren und Anordnung zur digitalen Frequenzueberwachung, vorzugsweise von Traegerfrequenz-Grundgeneratoren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490500A (en) * 1946-12-28 1949-12-06 Rca Corp Stabilized oscillator generator
GB637380A (en) * 1947-02-06 1950-05-17 John Bruce Smith Improvements in or relating to circuits for controlling the frequency of generated oscillations
US2490499A (en) * 1947-04-23 1949-12-06 Rca Corp Variable frequency oscillation generator
US2610297A (en) * 1948-12-14 1952-09-09 Bell Telephone Labor Inc Automatic frequency control circuit
GB715190A (en) 1952-12-23 1954-09-08 Marconi Wireless Telegraph Co Improvements in or relating to remotely controllable variable frequency oscillators

Also Published As

Publication number Publication date
DE1214721B (de) 1966-04-21
NL100309C (forum.php)

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