NL61584C - - Google Patents

Info

Publication number: NL61584C
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.)

1943-07-23

Publication of NL61584C publication Critical patent/NL61584C/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)

NL61584D 1943-07-23 NL61584C (ru)

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
NL61584C true NL61584C (ru)

Family

ID=26641563

Family Applications (2)

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

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL67076D NL67076C (ru)	1943-07-23

Country Status (7)

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

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 (ru) *	1933-12-13
US2205359A (en) *	1938-06-24	1940-06-18	Hygrade Sylvania Corp	Superheterodyne receiver
NL58997C (ru) *	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
- BE BE466841D patent/BE466841A/xx unknown
- NL NL61584D patent/NL61584C/xx active
- 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
GB628862A (en)	1949-09-06
NL67076C (ru)
BE466841A (ru)
CH246395A (de)	1946-12-31
US2505655A (en)	1950-04-25
BE456891A (ru)
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

Publication	Publication Date	Title
SE120959C1 (ru)	1948-02-24
FR956199A (ru)	1950-01-26
FR56443E (ru)	1952-10-07
FR882381A (ru)	1943-06-15
FR884245A (ru)	1943-08-06
FR888368A (ru)	1943-12-10
FR887150A (ru)	1943-11-04
FR885999A (ru)	1943-09-30
BE452648R (ru)	1944-04-11
BE450743R (ru)	1943-06-30
DK68884C (ru)	1949-04-11
FR51595E (ru)	1943-02-12
BE483047A (ru)
BE465222A (ru)
NL60237C (ru)
BE449677A (ru)	1943-04-30
BE463214A (ru)
NL61584C (ru)
NL62869C (ru)
BE469241A (ru)
BE462325A (ru)	1946-02-28
BE453370A (ru)
BE487786A (ru)
NL64517C (ru)
BE480791A (ru)