BE466841A - - Google Patents

Info

Publication number: BE466841A
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.)

1943-07-23

Publication of BE466841A publication Critical patent/BE466841A/xx

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)

BE466841D 1943-07-23 BE466841A (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow)

Family

ID=26641563

Family Applications (2)

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

Family Applications Before (1)

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

Country Status (7)

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

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 (enrdf_load_stackoverflow) *	1933-12-13
US2205359A (en) *	1938-06-24	1940-06-18	Hygrade Sylvania Corp	Superheterodyne receiver
NL58997C (enrdf_load_stackoverflow) *	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

0
- BE BE456891D patent/BE456891A/xx unknown
- NL NL61584D patent/NL61584C/xx active
- BE BE466841D patent/BE466841A/xx unknown
- NL NL67076D patent/NL67076C/xx active
1944
- 1944-07-18 DE DEN2203D patent/DE869090C/de not_active Expired
- 1944-07-21 CH CH246395D patent/CH246395A/de unknown
- 1944-07-22 FR FR906033D patent/FR906033A/fr not_active Expired
1946
- 1946-07-20 US US685199A patent/US2505655A/en not_active Expired - Lifetime
- 1946-07-22 CH CH255008D patent/CH255008A/de unknown
- 1946-11-14 FR FR43762A patent/FR75251E/fr not_active Expired
- 1946-12-04 GB GB35947/46A patent/GB623069A/en not_active Expired
1947
- 1947-02-12 US US728143A patent/US2503782A/en not_active Expired - Lifetime
- 1947-03-26 GB GB8236/47A patent/GB628862A/en not_active Expired
1948
- 1948-10-23 DE DEP19319D patent/DE872235C/de not_active Expired

Also Published As

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

Publication	Publication Date	Title
FR959962A (enrdf_load_stackoverflow)	1950-04-07
BE455016A (enrdf_load_stackoverflow)	1944-04-29
FR52050E (enrdf_load_stackoverflow)	1943-07-13
BE456807A (enrdf_load_stackoverflow)
BE455299A (enrdf_load_stackoverflow)	1944-05-31
BE454012A (enrdf_load_stackoverflow)
BE453847A (enrdf_load_stackoverflow)
BE453737A (enrdf_load_stackoverflow)
NL116650B (enrdf_load_stackoverflow)
NL112408B (enrdf_load_stackoverflow)	1948-01-02
NL61584C (enrdf_load_stackoverflow)
BE454825A (enrdf_load_stackoverflow)
BE454881A (enrdf_load_stackoverflow)
BE451581A (enrdf_load_stackoverflow)
BE456688A (enrdf_load_stackoverflow)
BE458648A (enrdf_load_stackoverflow)
BE453028A (enrdf_load_stackoverflow)
BE457548A (enrdf_load_stackoverflow)
BE457294A (enrdf_load_stackoverflow)
BE455260A (enrdf_load_stackoverflow)
BE455172A (enrdf_load_stackoverflow)
BE457258A (enrdf_load_stackoverflow)
BE456829A (enrdf_load_stackoverflow)
BE455845A (enrdf_load_stackoverflow)
BE454184A (enrdf_load_stackoverflow)