BE473048A - - Google Patents

Info

Publication number
BE473048A
BE473048A BE473048DA BE473048A BE 473048 A BE473048 A BE 473048A BE 473048D A BE473048D A BE 473048DA BE 473048 A BE473048 A BE 473048A
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 BE473048A publication Critical patent/BE473048A/xx
Priority claimed from GB1637841A external-priority patent/GB580843A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/02—Amplitude modulation, i.e. PAM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
BE473048D 1941-12-18 BE473048A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1637841A GB580843A (en) 1941-12-18 1941-12-18 Improvements in or relating to secrecy communication systems
GB1493842A GB582709A (en) 1941-12-18 1942-10-23 Improvements in or relating to secrecy communication systems

Publications (1)

Publication Number Publication Date
BE473048A true BE473048A (fr)

Family

ID=32178905

Family Applications (2)

Application Number Title Priority Date Filing Date
BE473048D BE473048A (fr) 1941-12-18
BE471102D BE471102A (fr) 1941-12-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE471102D BE471102A (fr) 1941-12-18

Country Status (3)

Country Link
US (1) US2412964A (fr)
BE (2) BE471102A (fr)
FR (2) FR939295A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177485A (en) * 1944-09-06 1979-12-04 Prehn Lawrence D Facsimile apparatus
US2836657A (en) * 1944-11-20 1958-05-27 Gen Electric Secrecy communication system
US2460326A (en) * 1945-02-17 1949-02-01 Clarence M Woodruff Transmitter
US2466230A (en) * 1946-02-09 1949-04-05 Stromberg Carlson Co Pulse time modulation system
US2616975A (en) * 1947-02-06 1952-11-04 Rca Corp Time division multiplex system
US2589617A (en) * 1947-07-07 1952-03-18 Alfred C Kowalski Pulse amplitude modulation communication system
US3991268A (en) * 1948-12-24 1976-11-09 Bell Telephone Laboratories, Incorporated PCM communication system with pulse deletion
US2699544A (en) * 1949-03-30 1955-01-11 Olive S Petty Distance measuring system
US2664462A (en) * 1949-08-31 1953-12-29 Rca Corp Multiplexed signal transmission
US3569625A (en) * 1961-04-27 1971-03-09 Us Navy Telemetry data transmission system
BE646982A (fr) * 1963-04-23
FR95619E (fr) * 1966-05-05 1971-03-26 It Telecommunicazioni Siemens Systeme de transmission de signaux téléphoniques a allocation de temps.
IT1227123B (it) * 1988-09-30 1991-03-15 Samanta Italia S P A Procedimento e macchina per la sigillatura di fogli di carta

Also Published As

Publication number Publication date
BE471102A (fr)
FR939295A (fr) 1948-11-09
FR939428A (fr) 1948-11-15
US2412964A (en) 1946-12-24

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