GB1164282A - Improvements in or relating to Variable Frequency Generating Systems. - Google Patents

Improvements in or relating to Variable Frequency Generating Systems.

Info

Publication number
GB1164282A
GB1164282A GB4352965A GB4352965A GB1164282A GB 1164282 A GB1164282 A GB 1164282A GB 4352965 A GB4352965 A GB 4352965A GB 4352965 A GB4352965 A GB 4352965A GB 1164282 A GB1164282 A GB 1164282A
Authority
GB
United Kingdom
Prior art keywords
frequency
frequency generating
significant
displayed
generating systems
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
GB4352965A
Other languages
English (en)
Inventor
Kenneth William George Harrod
Hugh Mcfadye Boyle
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 GB4352965A priority Critical patent/GB1164282A/en
Priority to CH1466366A priority patent/CH451259A/de
Priority to AT954266A priority patent/AT278091B/de
Priority to FR79636A priority patent/FR1496853A/fr
Priority to BE688186D priority patent/BE688186A/xx
Publication of GB1164282A publication Critical patent/GB1164282A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency

Landscapes

  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
GB4352965A 1965-10-13 1965-10-13 Improvements in or relating to Variable Frequency Generating Systems. Expired GB1164282A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB4352965A GB1164282A (en) 1965-10-13 1965-10-13 Improvements in or relating to Variable Frequency Generating Systems.
CH1466366A CH451259A (de) 1965-10-13 1966-10-07 Vorrichtung zur Erzeugung einer variablen Frequenz und Verwendung der Vorrichtung
AT954266A AT278091B (de) 1965-10-13 1966-10-12 Überlagerungsempfänger
FR79636A FR1496853A (fr) 1965-10-13 1966-10-12 Système générateur à fréquence variable
BE688186D BE688186A (enrdf_load_html_response) 1965-10-13 1966-10-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4352965A GB1164282A (en) 1965-10-13 1965-10-13 Improvements in or relating to Variable Frequency Generating Systems.

Publications (1)

Publication Number Publication Date
GB1164282A true GB1164282A (en) 1969-09-17

Family

ID=10429154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4352965A Expired GB1164282A (en) 1965-10-13 1965-10-13 Improvements in or relating to Variable Frequency Generating Systems.

Country Status (4)

Country Link
AT (1) AT278091B (enrdf_load_html_response)
BE (1) BE688186A (enrdf_load_html_response)
CH (1) CH451259A (enrdf_load_html_response)
GB (1) GB1164282A (enrdf_load_html_response)

Also Published As

Publication number Publication date
BE688186A (enrdf_load_html_response) 1967-03-16
AT278091B (de) 1970-01-26
CH451259A (de) 1968-05-15

Similar Documents

Publication Publication Date Title
GB724555A (en) Improvements in and relating to continuous wave radar systems
GB1300807A (en) Data modulator employing sinusoidal synthesis
US2666141A (en) Single side band mixer for moving target indicating radar systems
GB1134078A (en) Frequency synthesizer
US3766535A (en) Telethermometer receiver and display device
GB1164282A (en) Improvements in or relating to Variable Frequency Generating Systems.
GB1304130A (enrdf_load_html_response)
GB654979A (en) Improvements in or relating to apparatus for producing electric waveforms for use inadjustable delay- or time-measuring systems
US3593144A (en) Frequency generator with decadic adjustment for use in frequency characteristics tests
GB1228701A (enrdf_load_html_response)
GB1217545A (en) Very-low and low-frequency precision phase calibrator
US2589838A (en) Single side band modulator
GB723008A (en) Improvements in or relating to radar systems
GB1485810A (en) Telecommunications receivers
GB804605A (en) Radio location system
ATE99848T1 (de) Rundfunkempfaenger mit digitaler frequenzeingabe.
GB1211971A (en) Frequency synthesizer apparatus
ES385376A1 (es) Perfeccionamientos en receptores para sistemas de radiona- vegacion por comparacion de fase.
GB1212670A (en) Improvements in or relating to decade frequency generator
JPS5399813A (en) Display unit for reception frequency
GB946000A (en) Improvements in or relating to carrier-frequency-shift telegraph systems
GB1130209A (en) Improvements to m.t.i. radars
GB1165325A (en) Improvements in or relating to Spectrum Frequency Generators
JPS54155707A (en) Reception frequency display unit
GB1129243A (en) Radio receiver control system

Legal Events

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