NL64980C - - Google Patents

Info

Publication number: NL64980C
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.)

1943-06-21

Publication of NL64980C publication Critical patent/NL64980C/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/18—Angle modulation by means of variable impedance by means of a variable reactive element the element being a current-dependent inductor
- 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
- H04B1/54—Circuits using the same frequency for two directions of communication

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Amplitude Modulation (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Magnetic Treatment Devices (AREA)

NL64980D 1943-06-21 NL64980C (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL242963X		1943-06-21

Publications (1)

Publication Number	Publication Date
NL64980C true NL64980C (it)

Family

ID=19780690

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL64980D NL64980C (it)	1943-06-21

Country Status (7)

Country	Link
US (1)	US2569309A (it)
BE (1)	BE456412A (it)
CH (1)	CH242963A (it)
DE (1)	DE862315C (it)
FR (1)	FR905717A (it)
GB (1)	GB620424A (it)
NL (1)	NL64980C (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE507449A (it) *	1950-11-30
US2755446A (en) *	1951-06-30	1956-07-17	Cgs Lab Inc	Variable inductance control method and apparatus
US2742613A (en) *	1951-07-26	1956-04-17	Cgs Lab Inc	Variable time delay system
US2762984A (en) *	1952-06-18	1956-09-11	Du Mont Allen B Lab Inc	Continuously variable pulse delay system
US2907957A (en) *	1952-12-31	1959-10-06	Cgs Lab Inc	Electrically variable delay line
US2926311A (en) *	1955-01-19	1960-02-23	Cgs Lab Inc	Variable frequency signal generator
US2786940A (en) *	1956-01-13	1957-03-26	Nat Union Electric Corp	Superheterodyne receiver with common variable saturating means having tracking provision for tuning inductances
US2940055A (en) *	1956-06-22	1960-06-07	Walter J Brown	Phase modulator and clipper
US2938180A (en) *	1956-10-25	1960-05-24	Witz Gerhard H De	Use of electrically controllable variable inductor for tuning purposes
DE1227167B (de) *	1957-11-27	1966-10-20	Telefunken Patent	Elektronisch steuerbare Verzoegerungsleitung
US2946967A (en) *	1958-01-07	1960-07-26	Daniel S Elders	Delay lines
US3002160A (en) *	1958-01-29	1961-09-26	Gen Electric	Phase modulation system
NL243306A (it) *	1958-09-13
DE1276132B (de) *	1964-07-06	1968-08-29	Siemens Ag	Elektrisches UEbertragungsglied nach Art eines Vierpols mit amplitudenabhaengigem UEbertragungsmass

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1357264A (en) *	1919-09-27	1920-11-02	American Telephone & Telegraph	Magnetic modulator
US2278658A (en) *	1939-12-06	1942-04-07	Rca Corp	Frequency modulation

0
- NL NL64980D patent/NL64980C/xx active
- BE BE456412D patent/BE456412A/xx unknown
1944
- 1944-06-17 DE DEN2254D patent/DE862315C/de not_active Expired
- 1944-06-20 CH CH242963D patent/CH242963A/de unknown
- 1944-07-07 FR FR905717D patent/FR905717A/fr not_active Expired
1946
- 1946-07-12 US US683060A patent/US2569309A/en not_active Expired - Lifetime
- 1946-09-30 GB GB29123/46A patent/GB620424A/en not_active Expired

Also Published As

Publication number	Publication date
GB620424A (en)	1949-03-24
US2569309A (en)	1951-09-25
BE456412A (it)
FR905717A (fr)	1945-12-12
DE862315C (de)	1953-01-08
CH242963A (de)	1946-06-15

Publication	Publication Date	Title
BE459457A (it)	1945-08-21
FR882381A (it)	1943-06-15
FR56443E (it)	1952-10-07
BE452648R (it)	1944-04-11
FR885999A (it)	1943-09-30
FR884245A (it)	1943-08-06
FR51595E (it)	1943-02-12
DK68884C (it)	1949-04-11
BE450743R (it)	1943-06-30
BE465222A (it)
BE471143A (it)
BE453288A (it)
BE453263A (it)
BE454733A (it)
BE454928A (it)
BE456646A (it)
BE456412A (it)
BE457213A (it)
BE457265A (it)
BE459137A (it)	1945-07-31
BE454974A (it)
BE460739A (it)
BE462119A (it)
BE463214A (it)
BE476666A (it)