GB401728A - Improvements in and relating to wireless signalling systems - Google Patents

Improvements in and relating to wireless signalling systems

Info

Publication number
GB401728A
GB401728A GB14245/32A GB1424532A GB401728A GB 401728 A GB401728 A GB 401728A GB 14245/32 A GB14245/32 A GB 14245/32A GB 1424532 A GB1424532 A GB 1424532A GB 401728 A GB401728 A GB 401728A
Authority
GB
United Kingdom
Prior art keywords
filter
oscillator
wave
detector
pilot
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
GB14245/32A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB401728A publication Critical patent/GB401728A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • 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
    • H04B1/68—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 wholly or partially suppressing the carrier or one side band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Noise Elimination (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB14245/32A 1931-05-20 1932-05-19 Improvements in and relating to wireless signalling systems Expired GB401728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR675286X 1931-05-20

Publications (1)

Publication Number Publication Date
GB401728A true GB401728A (en) 1933-11-20

Family

ID=9019289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14245/32A Expired GB401728A (en) 1931-05-20 1932-05-19 Improvements in and relating to wireless signalling systems

Country Status (6)

Country Link
US (1) US1989770A (de)
CH (1) CH182214A (de)
DE (1) DE675286C (de)
FR (1) FR733292A (de)
GB (1) GB401728A (de)
NL (1) NL37175C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617939A (en) * 1939-11-04 1952-11-11 Radio Electr Soc Fr Synchronization indicator for common wave transmitting systems
NL78602C (de) * 1943-10-21 1955-06-22
US2444534A (en) * 1946-02-01 1948-07-06 Farnsworth Res Corp Single side-band modulation system
US3201692A (en) * 1960-09-09 1965-08-17 Itt Single sideband communication system

Also Published As

Publication number Publication date
US1989770A (en) 1935-02-05
CH182214A (de) 1936-01-31
NL37175C (de)
DE675286C (de) 1939-05-20
FR733292A (fr) 1932-10-03

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