BE477225A - - Google Patents

Info

Publication number
BE477225A
BE477225A BE477225DA BE477225A BE 477225 A BE477225 A BE 477225A BE 477225D A BE477225D A BE 477225DA BE 477225 A BE477225 A BE 477225A
Authority
BE
Belgium
Application number
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.)
Publication of BE477225A publication Critical patent/BE477225A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • H04K1/02Secret communication by adding a second signal to make the desired signal unintelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE477225D 1940-01-16 BE477225A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB952/40A GB582080A (en) 1940-01-16 1940-01-16 Improvements in systems for the electric transmission of sound and other waves

Publications (1)

Publication Number Publication Date
BE477225A true BE477225A (de)

Family

ID=9713390

Family Applications (1)

Application Number Title Priority Date Filing Date
BE477225D BE477225A (de) 1940-01-16

Country Status (3)

Country Link
US (1) US2406790A (de)
BE (1) BE477225A (de)
GB (1) GB582080A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE480306A (de) * 1945-01-03
US2513308A (en) * 1945-09-01 1950-07-04 Standard Telephones Cables Ltd Electrical time modulated pulse communication system
BE471106A (de) * 1945-09-29
US2468059A (en) * 1945-10-30 1949-04-26 Standard Telephones Cables Ltd Pulse time modulated multiplex system
NL139275B (nl) * 1947-03-18 Stork Amsterdam Inrichting voor het stuksgewijze van de onderzijde van een stapel afnemen van vlakke buigzame voorwerpen.
US2515452A (en) * 1947-05-06 1950-07-18 Maxime G Kaufman Pulse signaling system
CA888373A (en) * 1949-12-21 1971-12-14 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Secret signalling system
US2761966A (en) * 1951-05-26 1956-09-04 Ibm Measuring and indicating system
US3048714A (en) * 1960-06-24 1962-08-07 Itt Variable pulse width generating system

Also Published As

Publication number Publication date
GB582080A (en) 1946-11-05
US2406790A (en) 1946-09-03

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