GB660068A - Improvements in or relating to the generation of electric oscillations - Google Patents

Improvements in or relating to the generation of electric oscillations

Info

Publication number
GB660068A
GB660068A GB11329/49A GB1132949A GB660068A GB 660068 A GB660068 A GB 660068A GB 11329/49 A GB11329/49 A GB 11329/49A GB 1132949 A GB1132949 A GB 1132949A GB 660068 A GB660068 A GB 660068A
Authority
GB
United Kingdom
Prior art keywords
frequency
range
sub
width
beat
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
GB11329/49A
Other languages
English (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 NL676709456A priority Critical patent/NL150357B/xx
Priority to NL81975D priority patent/NL81975C/xx
Application filed by Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB11329/49A priority patent/GB660068A/en
Priority to US145367A priority patent/US2662182A/en
Priority to DEN772A priority patent/DE816268C/de
Priority to FR1018063D priority patent/FR1018063A/fr
Publication of GB660068A publication Critical patent/GB660068A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B21/00Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02Generation 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

  • Oscillators With Electromechanical Resonators (AREA)
  • Electrophonic Musical Instruments (AREA)
GB11329/49A 1949-04-28 1949-04-28 Improvements in or relating to the generation of electric oscillations Expired GB660068A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL676709456A NL150357B (nl) 1949-04-28 Inrichting voor het vormen van een kop aan een klinknagel door persen.
NL81975D NL81975C (en:Method) 1949-04-28
GB11329/49A GB660068A (en) 1949-04-28 1949-04-28 Improvements in or relating to the generation of electric oscillations
US145367A US2662182A (en) 1949-04-28 1950-02-21 Generation of electric oscillation
DEN772A DE816268C (de) 1949-04-28 1950-04-25 Verfahren zur Erzeugung einer Schwingung mit ueber einen breiten Frequenzbereich einstellbarer Frequenz (Abstimm-frequenz) durch Mischung zweier Schwingungen
FR1018063D FR1018063A (fr) 1949-04-28 1950-04-26 Procédé et dispositif pour engendrer une oscillation dont la fréquence est réglable dans une large gamme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11329/49A GB660068A (en) 1949-04-28 1949-04-28 Improvements in or relating to the generation of electric oscillations

Publications (1)

Publication Number Publication Date
GB660068A true GB660068A (en) 1951-10-31

Family

ID=9984256

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11329/49A Expired GB660068A (en) 1949-04-28 1949-04-28 Improvements in or relating to the generation of electric oscillations

Country Status (5)

Country Link
US (1) US2662182A (en:Method)
DE (1) DE816268C (en:Method)
FR (1) FR1018063A (en:Method)
GB (1) GB660068A (en:Method)
NL (2) NL150357B (en:Method)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB486448A (en) * 1936-12-02 1938-06-02 Standard Telephones Cables Ltd Improvements in or relating to electric oscillation generators
US2398694A (en) * 1942-03-20 1946-04-16 Hazeltine Corp Carrier-wave generating system
US2380288A (en) * 1942-04-27 1945-07-10 Bligh Norman Richard Multichannel radio signaling system
US2483311A (en) * 1943-05-03 1949-09-27 Hartford Nat Bank & Trust Co Frequency analyzer

Also Published As

Publication number Publication date
DE816268C (de) 1951-10-08
NL150357B (nl)
NL81975C (en:Method)
US2662182A (en) 1953-12-08
FR1018063A (fr) 1952-12-26

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