BE473447A - - Google Patents


Publication number
BE473447A BE473447DA BE473447A BE 473447 A BE473447 A BE 473447A BE 473447D A BE473447D A BE 473447DA BE 473447 A BE473447 A BE 473447A
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.)
Filing date
Publication date
Priority to US536301A priority Critical patent/US2474244A/en
Application filed filed Critical
Publication of BE473447A publication Critical patent/BE473447A/xx



    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/08Intermediate station arrangements, e.g. for branching, for tapping-off
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations
    • H04B7/17Ground-based stations employing pulse modulation, e.g. pulse code modulation
BE473447D 1944-05-19 1947-05-23 BE473447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US536301A US2474244A (en) 1944-05-19 1944-05-19 Amplitude modulated time modulated pulse system

Publications (1)

Publication Number Publication Date
BE473447A true BE473447A (en) 1947-11-23



Family Applications (1)

Application Number Title Priority Date Filing Date
BE473447D BE473447A (en) 1944-05-19 1947-05-23

Country Status (3)

Country Link
US (1) US2474244A (en)
BE (1) BE473447A (en)
GB (1) GB596051A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH249976A (en) * 1945-12-15 1947-07-31 Patelhold Patentverwertung Method and device for two-channel transmission.
US2611826A (en) * 1947-06-05 1952-09-23 Kalfaian Meguer Simultaneous amplitude modulation and phase modulation with economy in bandwidth
US2680153A (en) * 1949-01-14 1954-06-01 Philco Corp Multichannel communication system
US2662116A (en) * 1949-12-31 1953-12-08 Potier Gaston Xavier-Noel Double modulated pulse transmission
US2716217A (en) * 1950-07-29 1955-08-23 Raytheon Mfg Co Communication system
US2824908A (en) * 1952-08-07 1958-02-25 Du Mont Allen B Lab Inc Television system method and apparatus for multiplex signaling
US3020349A (en) * 1954-12-03 1962-02-06 Int Standard Electric Corp Electric pulse modulating and demodulating circuits
US2918665A (en) * 1955-04-08 1959-12-22 Gilfillan Bros Inc Modulation method and system
US2953644A (en) * 1956-10-04 1960-09-20 Bell Telephone Labor Inc Wave transmission system
DE1117643B (en) * 1958-08-06 1961-11-23 Siemens Ag Circuit arrangement for the multiplicative mixing of two electrical signals
US3078449A (en) * 1958-09-24 1963-02-19 Cons Electrodynamics Corp Commutating and modulating apparatus
DE1252283B (en) * 1959-03-16
US3286521A (en) * 1964-03-26 1966-11-22 Kennecott Copper Corp Wind direction and velocity recording system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103847A (en) * 1928-10-02 1937-12-28 Rca Corp Signaling
US2075071A (en) * 1932-07-23 1937-03-30 Rca Corp Modulation
US2045107A (en) * 1932-12-02 1936-06-23 Rca Corp Phase modulation
BE428656A (en) * 1937-06-18
NL60289C (en) * 1939-02-20
US2271721A (en) * 1939-05-03 1942-02-03 Rca Corp Method and means for transmitting a plurality of signals over the same channel
BE479581A (en) * 1942-07-03
BE474051A (en) * 1942-10-07
BE462299A (en) * 1943-10-19

Also Published As

Publication number Publication date
US2474244A (en) 1949-06-28
GB596051A (en) 1947-12-24

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