BE466841A - - Google Patents

Info

Publication number
BE466841A
BE466841A BE466841DA BE466841A BE 466841 A BE466841 A BE 466841A BE 466841D A BE466841D A BE 466841DA BE 466841 A BE466841 A BE 466841A
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 BE466841A publication Critical patent/BE466841A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
BE466841D 1943-07-23 BE466841A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL112335 1943-07-23
NL118229 1944-07-28

Publications (1)

Publication Number Publication Date
BE466841A true BE466841A (en)

Family

ID=26641563

Family Applications (2)

Application Number Title Priority Date Filing Date
BE466841D BE466841A (en) 1943-07-23
BE456891D BE456891A (en) 1943-07-23

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE456891D BE456891A (en) 1943-07-23

Country Status (7)

Country Link
US (2) US2505655A (en)
BE (2) BE456891A (en)
CH (2) CH246395A (en)
DE (2) DE869090C (en)
FR (2) FR906033A (en)
GB (2) GB623069A (en)
NL (2) NL61584C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625650A (en) * 1948-10-16 1953-01-13 Sperry Corp Superregenerative apparatus
US2836663A (en) * 1953-04-21 1958-05-27 Motorola Inc Radio-phonograph combination
US2886653A (en) * 1953-08-31 1959-05-12 Rca Corp Amplitude modulated oscillator systems
US2813155A (en) * 1954-02-23 1957-11-12 Motorola Inc Tone control for radio-phonograph combination
US2853559A (en) * 1954-05-03 1958-09-23 Underwood Corp Signal transfer selector
US3624506A (en) * 1970-03-23 1971-11-30 John S Townsend Two-way electronic frequency converter
JPS5279815A (en) * 1975-12-26 1977-07-05 Nec Corp Transmitting and receiving circuit
GB2128851A (en) * 1982-09-24 1984-05-02 Jasco International Radio communication systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR673968A (en) * 1929-04-24 1930-01-22 Frequency changer device for radio signaling
US1769920A (en) * 1929-04-30 1930-07-08 Bell Telephone Labor Inc Electrooptical transmission system
US1974184A (en) * 1931-03-04 1934-09-18 Rca Corp Radio apparatus
FR733947A (en) * 1931-03-23 1932-10-13 Marconi Wireless Telegraph Co Improvements to thermo-electronic amplifier systems and their application to high frequency receiving devices
US1935316A (en) * 1931-09-16 1933-11-14 Bell Telephone Labor Inc Detector
US2128422A (en) * 1933-01-26 1938-08-30 Rca Corp Ultrashort wave circuit
US2018569A (en) * 1933-06-17 1935-10-22 Rca Corp Radio signaling apparatus
NL43529C (en) * 1933-12-13
US2205359A (en) * 1938-06-24 1940-06-18 Hygrade Sylvania Corp Superheterodyne receiver
NL58997C (en) * 1940-05-30
US2434474A (en) * 1941-01-28 1948-01-13 Hartford Nat Bank & Trust Co Circuit arrangement for ultra short waves
US2296107A (en) * 1941-05-09 1942-09-15 Rca Corp Ultra high frequency converter

Also Published As

Publication number Publication date
DE869090C (en) 1953-03-02
GB623069A (en) 1949-05-11
BE456891A (en)
NL61584C (en)
CH255008A (en) 1948-05-31
CH246395A (en) 1946-12-31
DE872235C (en) 1953-03-30
FR75251E (en) 1961-10-04
NL67076C (en)
GB628862A (en) 1949-09-06
US2503782A (en) 1950-04-11
FR906033A (en) 1945-12-20
US2505655A (en) 1950-04-25

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