GB413647A - Improvements in or relating to carrier wave transmission systems - Google Patents

Improvements in or relating to carrier wave transmission systems

Info

Publication number
GB413647A
GB413647A GB1554/33A GB155433A GB413647A GB 413647 A GB413647 A GB 413647A GB 1554/33 A GB1554/33 A GB 1554/33A GB 155433 A GB155433 A GB 155433A GB 413647 A GB413647 A GB 413647A
Authority
GB
United Kingdom
Prior art keywords
phase
carrier
valves
circuits
grids
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
GB1554/33A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB413647A publication Critical patent/GB413647A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated

Landscapes

  • Particle Accelerators (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transmitters (AREA)
GB1554/33A 1932-01-23 1933-01-17 Improvements in or relating to carrier wave transmission systems Expired GB413647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US588309A US2081577A (en) 1932-01-23 1932-01-23 Phase modulation

Publications (1)

Publication Number Publication Date
GB413647A true GB413647A (en) 1934-07-17

Family

ID=24353322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1554/33A Expired GB413647A (en) 1932-01-23 1933-01-17 Improvements in or relating to carrier wave transmission systems

Country Status (4)

Country Link
US (1) US2081577A (en:Method)
DE (1) DE614109C (en:Method)
GB (1) GB413647A (en:Method)
NL (1) NL35902C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542700A (en) * 1942-02-20 1951-02-20 Rca Corp Pulse modulation system
US2435958A (en) * 1943-08-19 1948-02-17 Sperry Corp Pulse generator
US2462417A (en) * 1945-09-29 1949-02-22 Rca Corp Phase modulation system
US3263188A (en) * 1963-09-10 1966-07-26 Roy F Sloan Phase modulator
JPS5350919A (en) * 1976-10-20 1978-05-09 Sony Corp Video signal recorder unit

Also Published As

Publication number Publication date
NL35902C (en:Method)
DE614109C (de) 1935-06-01
US2081577A (en) 1937-05-25

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