GB621228A - Frequency modulation systems - Google Patents

Frequency modulation systems

Info

Publication number
GB621228A
GB621228A GB995/47A GB99547A GB621228A GB 621228 A GB621228 A GB 621228A GB 995/47 A GB995/47 A GB 995/47A GB 99547 A GB99547 A GB 99547A GB 621228 A GB621228 A GB 621228A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
converter
fed
initial
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
GB995/47A
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.)
Individual
Original Assignee
Individual
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=23215936&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB621228(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of GB621228A publication Critical patent/GB621228A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency

Landscapes

  • Amplitude Modulation (AREA)
  • Transmitters (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB995/47A 1940-01-12 1947-01-11 Frequency modulation systems Expired GB621228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US313497A US2290159A (en) 1940-01-12 1940-01-12 Frequency modulation system

Publications (1)

Publication Number Publication Date
GB621228A true GB621228A (en) 1949-04-06

Family

ID=23215936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB995/47A Expired GB621228A (en) 1940-01-12 1947-01-11 Frequency modulation systems

Country Status (5)

Country Link
US (1) US2290159A (enrdf_load_stackoverflow)
BE (1) BE473157A (enrdf_load_stackoverflow)
FR (1) FR946097A (enrdf_load_stackoverflow)
GB (1) GB621228A (enrdf_load_stackoverflow)
NL (1) NL67371C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470892A (en) * 1942-11-25 1949-05-24 Hartford Nat Bank & Trust Co Stabilized frequency modulator
US2602159A (en) * 1946-06-14 1952-07-01 Collins Radio Co Frequency modulation generator
NL141942B (nl) * 1947-08-19 Meier Hermann Ernst In verband te leggen straatsteen.
US2773125A (en) * 1953-10-12 1956-12-04 Esther M Armstrong Multiplex frequency modulation transmitter

Also Published As

Publication number Publication date
FR946097A (fr) 1949-05-23
NL67371C (enrdf_load_stackoverflow)
US2290159A (en) 1942-07-21
BE473157A (enrdf_load_stackoverflow)

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