BE464402A - - Google Patents

Info

Publication number
BE464402A
BE464402A BE464402DA BE464402A BE 464402 A BE464402 A BE 464402A BE 464402D A BE464402D A BE 464402DA BE 464402 A BE464402 A BE 464402A
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 BE464402A publication Critical patent/BE464402A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/165—Ground-based stations employing angle modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/68—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Amplifiers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
BE464402D 1945-02-06 BE464402A (en:Method)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US576453A US2514425A (en) 1945-02-06 1945-02-06 Radio relaying
US642045A US2507739A (en) 1945-02-06 1946-01-18 Radio relaying
US654554A US2460789A (en) 1945-02-06 1946-03-15 Fault indicator for radio relaying systems
US654553A US2476162A (en) 1945-02-06 1946-03-15 High-frequency apparatus

Publications (1)

Publication Number Publication Date
BE464402A true BE464402A (en:Method)

Family

ID=27504917

Family Applications (1)

Application Number Title Priority Date Filing Date
BE464402D BE464402A (en:Method) 1945-02-06

Country Status (6)

Country Link
US (4) US2514425A (en:Method)
BE (1) BE464402A (en:Method)
CH (1) CH270707A (en:Method)
DE (1) DE836364C (en:Method)
FR (1) FR923783A (en:Method)
GB (1) GB625488A (en:Method)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616975A (en) * 1947-02-06 1952-11-04 Rca Corp Time division multiplex system
GB633870A (en) * 1947-04-01 1949-12-30 Standard Telephones Cables Ltd Improvements in or relating to failure alarm arrangements in multi-channel carrier current communication system
US2789211A (en) * 1948-11-19 1957-04-16 Raytheon Mfg Co Relay stations for microwave communication systems
US2604533A (en) * 1949-03-08 1952-07-22 Rca Corp Amplitude modulation
US2609498A (en) * 1950-01-07 1952-09-02 Bell Telephone Labor Inc Pulse counting and registration system
US2710343A (en) * 1950-08-09 1955-06-07 Dale Belford Secrecy system for transmitting television signals
US2678409A (en) * 1950-08-31 1954-05-11 Bell Telephone Labor Inc Signaling system
US2775647A (en) * 1950-09-28 1956-12-25 Hartford Nat Bank & Trust Co Single sideband carrier-wave telephone system
US2751437A (en) * 1950-10-19 1956-06-19 Raytheon Mfg Co Signal translation systems
US2776429A (en) * 1951-01-27 1957-01-01 Multiplex Dev Corp Multiplex communications system
US2690556A (en) * 1951-01-30 1954-09-28 Rca Corp Aircraft altitude indicating system
US2703877A (en) * 1951-05-21 1955-03-08 Loewe Optal Ag Method of supervising electrical amplifiers
BE511901A (en:Method) * 1951-06-08
US2706286A (en) * 1951-09-04 1955-04-12 Rca Corp Fault locating and indicating system
US2724107A (en) * 1952-06-13 1955-11-15 Ultraschall Geratebau Dr Born Device for transfer of supersonic vibrations
US2802208A (en) * 1952-06-25 1957-08-06 Charles F Hobbs Radio frequency multiplexing
US2751578A (en) * 1953-02-04 1956-06-19 Ericsson Telefon Ab L M Fault indicator for plural connected devices
US2839727A (en) * 1953-02-11 1958-06-17 Bell Telephone Labor Inc Encoder for pulse code modulation
US2871345A (en) * 1953-03-25 1959-01-27 Radio Receptor Company Inc Ultra high frequency tuners or converters
US3015802A (en) * 1953-04-07 1962-01-02 Roy R Newsom Remote control of traffic signals
US2844711A (en) * 1953-06-08 1958-07-22 Motorola Inc Multiple frequency channel multiplex communication system
US2876341A (en) * 1953-06-11 1959-03-03 Western Union Telegraph Co Fault alarm radio repeater system
US2799848A (en) * 1953-12-17 1957-07-16 Glantz Lester Murray Two-level control system
US2872676A (en) * 1954-04-23 1959-02-03 Seismograph Service Corp Radio location system
US2800644A (en) * 1954-06-30 1957-07-23 Westinghouse Air Brake Co Electric checking apparatus
US2945212A (en) * 1954-08-02 1960-07-12 Bell & Howell Co Apparatus for reproducing intelligence by compound modulation
US2892930A (en) * 1955-01-10 1959-06-30 Motorola Inc Communication system
US2942245A (en) * 1956-02-13 1960-06-21 Jr Spencer D Wooten Combined fire alarm and intercommunication system
US2967020A (en) * 1956-05-21 1961-01-03 Martin Co Electrical computers
US3005167A (en) * 1958-03-14 1961-10-17 Rca Corp Frequency modulation multiplex arrangement
US3028488A (en) * 1960-02-01 1962-04-03 Hughes Aircraft Co Satellite communication relay system utilizing modulation conversion
US3180938A (en) * 1960-07-07 1965-04-27 Itt Repeater terminal for frequency division multiplex communication systems
US3221098A (en) * 1962-08-15 1965-11-30 Eugene S Feldman Multiple lingual television in a multiplex broadcast system
US3255536A (en) * 1963-12-12 1966-06-14 Tutortape Lab Inc Selective programmed information receiving and responding system
US3731203A (en) * 1970-09-25 1973-05-01 Gte Sylvania Inc Monitoring circuit and system for detecting signals in a signal transmission system
DE2214583C3 (de) * 1972-03-24 1982-03-25 Siemens AG, 1000 Berlin und 8000 München Trägerfrequentes Nachrichtenübertragungssystem
JPS49100914A (en:Method) * 1973-01-12 1974-09-24
US5444967A (en) * 1994-09-06 1995-08-29 Meuth; William I. Mower deck wash out port
US6581363B1 (en) 2001-11-30 2003-06-24 Martin Hall, Inc. Mower deck cleaner

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21807E (en) * 1941-05-20 Frequency control
US1633100A (en) * 1916-03-03 1927-06-21 Western Electric Co Plural channel signaling
US1695180A (en) * 1925-05-21 1928-12-11 Edward F Colladay Secrecy system of radio broadcast distribution
US1677966A (en) * 1925-12-30 1928-07-24 American Telephone & Telegraph Carrier signaling system
US2000130A (en) * 1932-12-16 1935-05-07 American Telephone & Telegraph Wide band transmission system
US2169212A (en) * 1937-01-16 1939-08-15 Edwin H Armstrong Radio transmitting system
US2279660A (en) * 1937-04-13 1942-04-14 Rca Corp Wave length modulation system
US2148532A (en) * 1938-04-28 1939-02-28 Bell Telephone Labor Inc Radio repeater
US2296962A (en) * 1939-12-22 1942-09-29 Rca Corp Frequency modulation
BE472677A (en:Method) * 1940-01-12
US2296384A (en) * 1940-04-11 1942-09-22 Rca Corp Relay system monitor
US2260160A (en) * 1940-04-26 1941-10-21 Bell Telephone Labor Inc Location and identification of faults in signaling transmission systems
US2287044A (en) * 1940-05-15 1942-06-23 Rca Corp Radio relaying system
US2304388A (en) * 1940-06-18 1942-12-08 Rca Corp Frequency modulator
US2298409A (en) * 1940-06-19 1942-10-13 Rca Corp Multiplexing
US2315434A (en) * 1940-07-03 1943-03-30 Bell Telephone Labor Inc Transmission system
US2315435A (en) * 1940-07-09 1943-03-30 Bell Telephone Labor Inc Transmission system
US2339198A (en) * 1940-07-11 1944-01-11 Bell Telephone Labor Inc Electric wave circuit
US2288025A (en) * 1940-08-03 1942-06-30 Bell Telephone Labor Inc Automatic frequency control system
USRE22587E (en) * 1940-11-20 1945-01-02 Fixed frequency difference
US2305882A (en) * 1941-04-08 1942-12-22 Rca Corp Variable frequency apparatus
US2425657A (en) * 1941-04-17 1947-08-12 Rca Corp Short-wave apparatus
US2337214A (en) * 1941-04-17 1943-12-21 Rca Corp Ultra short wave apparatus
US2357975A (en) * 1942-03-16 1944-09-12 Rca Corp Frequency modulation system
US2345101A (en) * 1942-03-27 1944-03-28 Rca Corp Frequency modulator
US2407212A (en) * 1942-06-16 1946-09-03 Rca Corp Radio relaying
US2415868A (en) * 1942-10-28 1947-02-18 Rca Corp Timing modulation
US2406125A (en) * 1943-12-17 1946-08-20 Hartford Nat Bank & Trust Co Frequency stabilizing system
US2381758A (en) * 1944-05-30 1945-08-07 Gen Electric Carrier current system
US2379052A (en) * 1944-08-10 1945-06-26 American Telephone & Telegraph Receiver for single side band systems
US2458124A (en) * 1944-11-14 1949-01-04 Raymond M Wilmotte Synchronous frequency broadcasting
US2421727A (en) * 1945-04-09 1947-06-03 Rca Corp Multiplex system having channels added at a relay station

Also Published As

Publication number Publication date
US2460789A (en) 1949-02-01
GB625488A (en) 1949-06-29
CH270707A (de) 1950-09-15
US2507739A (en) 1950-05-16
US2514425A (en) 1950-07-11
DE836364C (de) 1952-04-10
US2476162A (en) 1949-07-12
FR923783A (fr) 1947-07-17

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