NL67076C - - Google Patents

Info

Publication number
NL67076C
NL67076C NL67076DA NL67076C NL 67076 C NL67076 C NL 67076C NL 67076D A NL67076D A NL 67076DA NL 67076 C NL67076 C NL 67076C
Authority
NL
Netherlands
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 NL67076C publication Critical patent/NL67076C/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Transceivers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
NL67076D 1943-07-23 NL67076C (zh)

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
NL67076C true NL67076C (zh)

Family

ID=26641563

Family Applications (2)

Application Number Title Priority Date Filing Date
NL61584D NL61584C (zh) 1943-07-23
NL67076D NL67076C (zh) 1943-07-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL61584D NL61584C (zh) 1943-07-23

Country Status (7)

Country Link
US (2) US2505655A (zh)
BE (2) BE466841A (zh)
CH (2) CH246395A (zh)
DE (2) DE869090C (zh)
FR (2) FR906033A (zh)
GB (2) GB623069A (zh)
NL (2) NL67076C (zh)

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 (fr) * 1929-04-24 1930-01-22 Dispositif changeur de fréquence pour radiosignalisation
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 (fr) * 1931-03-23 1932-10-13 Marconi Wireless Telegraph Co Perfectionnements aux systèmes amplificateurs thermo-électroniques et à leur application aux appareils récepteurs à haute fréquence
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 (zh) * 1933-12-13
US2205359A (en) * 1938-06-24 1940-06-18 Hygrade Sylvania Corp Superheterodyne receiver
NL58997C (zh) * 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
GB628862A (en) 1949-09-06
BE466841A (zh)
NL61584C (zh)
CH246395A (de) 1946-12-31
US2505655A (en) 1950-04-25
BE456891A (zh)
GB623069A (en) 1949-05-11
US2503782A (en) 1950-04-11
DE869090C (de) 1953-03-02
CH255008A (de) 1948-05-31
DE872235C (de) 1953-03-30
FR906033A (fr) 1945-12-20
FR75251E (fr) 1961-10-04

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