GB2046543B - Fm receivers - Google Patents

Fm receivers

Info

Publication number
GB2046543B
GB2046543B GB8007728A GB8007728A GB2046543B GB 2046543 B GB2046543 B GB 2046543B GB 8007728 A GB8007728 A GB 8007728A GB 8007728 A GB8007728 A GB 8007728A GB 2046543 B GB2046543 B GB 2046543B
Authority
GB
United Kingdom
Prior art keywords
receivers
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
GB8007728A
Other versions
GB2046543A (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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of GB2046543A publication Critical patent/GB2046543A/en
Application granted granted Critical
Publication of GB2046543B publication Critical patent/GB2046543B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Color Television Systems (AREA)
GB8007728A 1979-03-14 1980-03-06 Fm receivers Expired GB2046543B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792909921 DE2909921A1 (en) 1979-03-14 1979-03-14 SOUND CHANNEL SWITCHING FOR FREQUENCY MODULATED SIGNALS

Publications (2)

Publication Number Publication Date
GB2046543A GB2046543A (en) 1980-11-12
GB2046543B true GB2046543B (en) 1983-06-15

Family

ID=6065307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8007728A Expired GB2046543B (en) 1979-03-14 1980-03-06 Fm receivers

Country Status (3)

Country Link
DE (1) DE2909921A1 (en)
FR (1) FR2451661A1 (en)
GB (1) GB2046543B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1737737A1 (en) * 1986-05-29 1992-05-30 Всесоюзный научно-исследовательский институт радиовещательного приема и акустики им.А.С.Попова Device for conversion of frequency-modulated analog signal into digital one
US5732108A (en) * 1993-03-04 1998-03-24 Nokia Mobile Phones Ltd. Method and apparatus for producing a difference signal between two signal frequencies, and for detection of modulation
FI96809C (en) * 1993-03-04 1996-08-26 Nokia Mobile Phones Ltd A method and switching arrangement for generating a difference between two signal frequencies and detecting modulation
EP3819660A1 (en) * 2019-11-05 2021-05-12 NXP USA, Inc. Radar transmitter module for digital modulation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1137132A (en) * 1965-02-04 1968-12-18 Emi Ltd Improvements in or relating to frequency modulation receivers
US3628165A (en) * 1968-09-19 1971-12-14 Anderson Jacobson Inc Digital frequency discriminator
US3548328A (en) * 1969-01-13 1970-12-15 Honeywell Inc Digital fm discriminator
US3842347A (en) * 1973-07-03 1974-10-15 Gardner Denver Co Rate measurement circuit
DE2538185C3 (en) * 1975-08-27 1979-08-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Digital pulse rate meter with approximately logarithmic characteristic

Also Published As

Publication number Publication date
GB2046543A (en) 1980-11-12
DE2909921A1 (en) 1980-09-25
FR2451661A1 (en) 1980-10-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee