GB1230217A - - Google Patents

Info

Publication number
GB1230217A
GB1230217A GB1230217DA GB1230217A GB 1230217 A GB1230217 A GB 1230217A GB 1230217D A GB1230217D A GB 1230217DA GB 1230217 A GB1230217 A GB 1230217A
Authority
GB
United Kingdom
Prior art keywords
modulator
compressor
signal
modulation
demodulated
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
Other languages
English (en)
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 filed Critical
Publication of GB1230217A publication Critical patent/GB1230217A/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/001—Volume compression or expansion in amplifiers without controlling loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Amplifiers (AREA)
  • Radio Relay Systems (AREA)
GB1230217D 1967-09-28 1968-09-30 Expired GB1230217A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0112074 1967-09-28

Publications (1)

Publication Number Publication Date
GB1230217A true GB1230217A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-04-28

Family

ID=7531454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230217D Expired GB1230217A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-09-28 1968-09-30

Country Status (3)

Country Link
DE (1) DE1591557A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1230217A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6813288A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326223A (en) * 1978-05-02 1982-04-20 Sony Corporation Video signal recording and/or reproducing apparatus with gain control
EP0086872A3 (en) * 1982-02-20 1984-09-12 Robert Bosch Gmbh Method and device for transmitting signals which are frequency-shift-keyed in the audible field

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326223A (en) * 1978-05-02 1982-04-20 Sony Corporation Video signal recording and/or reproducing apparatus with gain control
EP0086872A3 (en) * 1982-02-20 1984-09-12 Robert Bosch Gmbh Method and device for transmitting signals which are frequency-shift-keyed in the audible field

Also Published As

Publication number Publication date
DE1591557A1 (de) 1970-10-08
NL6813288A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-04-01

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Legal Events

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