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

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle 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 (pm)
BE (1) BE472603A (pm)
FR (1) FR946480A (pm)
GB (1) GB623220A (pm)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE445078A (pm) * 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
BE472603A (pm)
US2323698A (en) 1943-07-06

Similar Documents

Publication Publication Date Title
US2332540A (en) Method and apparatus for receiving frequency modulated waves
US2298930A (en) Phase distortion correction
US2383359A (en) Frequency modulation receiver
GB602846A (en) Improvements in frequency or phase modulation detectors
GB564014A (en) Improvements in phase modulation receivers
US2383847A (en) Frequency modulation receiver
GB868952A (en) Compatible single sideband radio transmission system
US3226646A (en) Interfering radio signal cancelling bridge
GB623220A (en) Frequency modulation signalling systems
US2793349A (en) Sideband transmitter
US2422083A (en) Frequency modulation receiver
US2399091A (en) Amplitude limiting system
US2282961A (en) Frequency modulation detector circuits
US2540813A (en) Angle modulation demodulator
US2430978A (en) Modulation limiter
US2187978A (en) Modulated-carrier signal-translating system
US2429649A (en) Modulator distortion correction
US2212240A (en) Carrier wave modulating system and apparatus
US2138746A (en) Wireless and like receiver
US2246164A (en) Frequency modulator
GB534723A (en) Improvements in or relating to receivers for frequency or phase modulated oscillations
US2877423A (en) Amplifier distortion correction system
US2315442A (en) Negative feedback detector
US2267703A (en) Modulation
US2662179A (en) Circuit-arrangement for receiving and detecting frequency modulated oscillations