GB1210803A - Improvements in or relating to oscillators - Google Patents

Improvements in or relating to oscillators

Info

Publication number
GB1210803A
GB1210803A GB1100467A GB1100467A GB1210803A GB 1210803 A GB1210803 A GB 1210803A GB 1100467 A GB1100467 A GB 1100467A GB 1100467 A GB1100467 A GB 1100467A GB 1210803 A GB1210803 A GB 1210803A
Authority
GB
United Kingdom
Prior art keywords
frequency
counter
oscillator
output
varying
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
GB1100467A
Other languages
English (en)
Inventor
Alan James Tiffin
Eric Jaeger
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.)
GE Healthcare UK Ltd
Plessey Co Ltd
Original Assignee
GE Healthcare UK Ltd
Plessey Co 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
Application filed by GE Healthcare UK Ltd, Plessey Co Ltd filed Critical GE Healthcare UK Ltd
Priority to GB1100467A priority Critical patent/GB1210803A/en
Priority to CH349968A priority patent/CH487543A/de
Priority to AT232568A priority patent/AT281115B/de
Priority to BE711920D priority patent/BE711920A/xx
Priority to FR1575609D priority patent/FR1575609A/fr
Publication of GB1210803A publication Critical patent/GB1210803A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop

Landscapes

  • Superheterodyne Receivers (AREA)
GB1100467A 1967-03-08 1967-03-08 Improvements in or relating to oscillators Expired GB1210803A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1100467A GB1210803A (en) 1967-03-08 1967-03-08 Improvements in or relating to oscillators
CH349968A CH487543A (de) 1967-03-08 1968-03-07 Anordnung zur Stabilisierung der Frequenz eines Oszillators und ihre Verwendung in einem Radioempfänger
AT232568A AT281115B (de) 1967-03-08 1968-03-08 Schaltungsanordnung zur Frequenzstabilisierung eines Oszillators
BE711920D BE711920A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-03-08 1968-03-08
FR1575609D FR1575609A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-03-08 1968-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1100467A GB1210803A (en) 1967-03-08 1967-03-08 Improvements in or relating to oscillators

Publications (1)

Publication Number Publication Date
GB1210803A true GB1210803A (en) 1970-11-04

Family

ID=9978277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1100467A Expired GB1210803A (en) 1967-03-08 1967-03-08 Improvements in or relating to oscillators

Country Status (5)

Country Link
AT (1) AT281115B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE711920A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH487543A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1575609A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1210803A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121170A (en) 1976-09-15 1978-10-17 Siemens Aktiengesellschaft Tunable oscillator with high stability and accurate frequency
US4161698A (en) 1974-08-31 1979-07-17 Licentia, Patent-Verwaltungs-G.M.B.H. Tuning circuit for superheterodyne receiver

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436367C2 (de) * 1972-08-16 1984-04-26 Wandel & Goltermann Gmbh & Co, 7412 Eningen Generator mit dekadischer Frequenzeinstellung
DE2741351C2 (de) * 1977-09-14 1983-12-08 Wandel & Goltermann Gmbh & Co, 7412 Eningen Digital einstellbarer Frequenzerzeuger mit mehreren Oszillatoren
US4471864A (en) * 1980-03-06 1984-09-18 Duane Marshall Slug rejector
US4460003A (en) * 1981-08-21 1984-07-17 Mars, Inc. Coin presence sensing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161698A (en) 1974-08-31 1979-07-17 Licentia, Patent-Verwaltungs-G.M.B.H. Tuning circuit for superheterodyne receiver
US4121170A (en) 1976-09-15 1978-10-17 Siemens Aktiengesellschaft Tunable oscillator with high stability and accurate frequency

Also Published As

Publication number Publication date
FR1575609A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-07-25
CH487543A (de) 1970-03-15
BE711920A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-07-15
AT281115B (de) 1970-05-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees