GB750061A - Improvements in or relating to radio-transmitters for frequency-shift telegraphy - Google Patents

Improvements in or relating to radio-transmitters for frequency-shift telegraphy

Info

Publication number
GB750061A
GB750061A GB14192/54A GB1419254A GB750061A GB 750061 A GB750061 A GB 750061A GB 14192/54 A GB14192/54 A GB 14192/54A GB 1419254 A GB1419254 A GB 1419254A GB 750061 A GB750061 A GB 750061A
Authority
GB
United Kingdom
Prior art keywords
frequency
resistance
telegraph
shift
signals
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
GB14192/54A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB750061A publication Critical patent/GB750061A/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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
GB14192/54A 1953-05-18 1954-05-14 Improvements in or relating to radio-transmitters for frequency-shift telegraphy Expired GB750061A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL750061X 1953-05-18

Publications (1)

Publication Number Publication Date
GB750061A true GB750061A (en) 1956-06-06

Family

ID=19823012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14192/54A Expired GB750061A (en) 1953-05-18 1954-05-14 Improvements in or relating to radio-transmitters for frequency-shift telegraphy

Country Status (6)

Country Link
US (1) US2901598A (enrdf_load_stackoverflow)
BE (1) BE527481A (enrdf_load_stackoverflow)
DE (1) DE952989C (enrdf_load_stackoverflow)
FR (1) FR1100719A (enrdf_load_stackoverflow)
GB (1) GB750061A (enrdf_load_stackoverflow)
NL (2) NL95529C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020399A (en) * 1959-01-09 1962-02-06 Rixon Electronics Inc Reduction of multipath effects by frequency shift
SE8600030L (sv) * 1986-01-03 1987-07-04 Atlet Ab Sett vid datakommunikation med radio

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE433230A (enrdf_load_stackoverflow) * 1938-03-19
US2259532A (en) * 1940-04-13 1941-10-21 Nat Union Radio Corp Method and circuit for reducing the effect of noise pulses
US2287862A (en) * 1940-12-24 1942-06-30 Rca Corp Transmitting system
US2372005A (en) * 1942-06-22 1945-03-20 Gen Electric Electric control circuit
NL77433C (enrdf_load_stackoverflow) * 1944-09-01
US2730617A (en) * 1946-02-28 1956-01-10 Bell Telephone Labor Inc Timing circuit
US2738381A (en) * 1952-08-01 1956-03-13 Itt Telegraph signal-operated carrier off and on system

Also Published As

Publication number Publication date
US2901598A (en) 1959-08-25
NL95529C (enrdf_load_stackoverflow)
DE952989C (de) 1956-11-22
BE527481A (enrdf_load_stackoverflow)
NL178382B (nl)
FR1100719A (fr) 1955-09-23

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