GB623220A - Frequency modulation signalling systems - Google Patents

Frequency modulation signalling systems

Info

Publication number
GB623220A
GB623220A GB998/47A GB99847A GB623220A GB 623220 A GB623220 A GB 623220A GB 998/47 A GB998/47 A GB 998/47A GB 99847 A GB99847 A GB 99847A GB 623220 A GB623220 A GB 623220A
Authority
GB
United Kingdom
Prior art keywords
frequency
receiver
signal
modulator
output
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
GB998/47A
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
Application filed by Individual filed Critical Individual
Publication of GB623220A publication Critical patent/GB623220A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/002Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplitude Modulation (AREA)
GB998/47A 1940-10-12 1947-01-11 Frequency modulation signalling systems Expired GB623220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US360882A US2323698A (en) 1940-10-12 1940-10-12 Frequency modulation signaling system

Publications (1)

Publication Number Publication Date
GB623220A true GB623220A (en) 1949-05-13

Family

ID=23419778

Family Applications (1)

Application Number Title Priority Date Filing Date
GB998/47A Expired GB623220A (en) 1940-10-12 1947-01-11 Frequency modulation signalling systems

Country Status (4)

Country Link
US (1) US2323698A (enrdf_load_stackoverflow)
BE (1) BE472603A (enrdf_load_stackoverflow)
FR (1) FR946480A (enrdf_load_stackoverflow)
GB (1) GB623220A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE445078A (enrdf_load_stackoverflow) * 1941-04-03
US2819017A (en) * 1952-08-07 1958-01-07 Allen B Du Moat Lab Inc Reciprocal analog electrical circuit
US3147437A (en) * 1962-03-13 1964-09-01 Robertshaw Controls Co Single side band radio carrier retrieval system

Also Published As

Publication number Publication date
FR946480A (fr) 1949-06-03
US2323698A (en) 1943-07-06
BE472603A (enrdf_load_stackoverflow)

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