NL45199C - - Google Patents

Info

Publication number: NL45199C
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.)

1933-01-14

Publication of NL45199C publication Critical patent/NL45199C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
- 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
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Geophysics And Detection Of Objects (AREA)

NL45199D 1933-01-14 NL45199C (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US651755A US2034013A (en)	1933-01-14	1933-01-14	Oscillator modulator

Publications (1)

Publication Number	Publication Date
NL45199C true NL45199C (de)

Family

ID=24614104

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL45199D NL45199C (de)	1933-01-14

Country Status (6)

Country	Link
US (1)	US2034013A (de)
BE (1)	BE400782A (de)
DE (1)	DE971556C (de)
FR (1)	FR766792A (de)
GB (1)	GB408903A (de)
NL (1)	NL45199C (de)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1558437A (en) *	1913-10-29	1925-10-20	Gen Electric	Electrical discharge apparatus
US1199180A (en) *	1915-10-09	1916-09-26	Western Electric Co	System for the transmission of intelligence.
AT87745B (de) *	1916-05-31	1922-03-27	Siemens Ag	Kathodenstrahlenrelais.
FR505897A (fr) *	1916-06-21	1920-08-09	Siemens Ag	Tube à vide avec fil incandescent et électrode auxiliaire servant à la commande du courant des électrons
DE383449C (de) *	1919-08-14	1923-11-08	John Scott Taggart	Empfangsanordnung fuer drahtlose Wellen unter Verwendung einer Roehre mit zwei Gittern und zwei mit je einem der Gitter verbundenen Steuerkreisen
FR40726E (fr) *	1927-06-04	1932-08-22		Tube électronique et ses divers schémas de montage
BE352800A (de) *	1927-07-13
FR655738A (fr) *	1927-10-22	1929-04-23		Perfectionnements aux dispositifs de changement de fréquence à tubes électroniques à plusieurs électrodes
FR648810A (fr) *	1927-10-22	1928-12-14		Tube électronique et ses divers schémas de montage
FR670731A (fr) *	1929-03-04	1929-12-04	Radio Sonore Et Hippolyte Shap	Procédé et montages pour mise en oeuvre de la méthode de réception par modulation
FR704534A (fr) *	1930-01-17	1931-05-21	Thomson Houston Comp Francaise	Perfectionnements aux lampes spéclales oscillatrices changeuses de fréquence
DE655254C (de) *	1930-02-21	1938-01-12	L L Von Kramolin	UEberlagerungsempfaenger mit einer Zwischenfrequenzbildung in einer Mehrgitterroehre
FR709196A (fr) *	1930-04-11	1931-08-04		Dispositif de poste à combinaisons multiples
FR726537A (fr) *	1931-01-22	1932-05-30	Radiotechnique	Nouveaux modes de couplage des circuits dans les dispositifs destinés à changer lafréquence des signaux radioélectriques
DE744143C (de) *	1932-06-05	1944-01-26	Telefunken Gmbh	UEberlagerungsempfaenger mit einer Mehrgitter-Mischroehre
DE653317C (de) *	1932-07-24	1937-11-20	Telefunken Gmbh	Elektronenroehre mit Kathode, Anode und mindestens vier Gitterelektroden
FR684772A (fr) *	1932-07-24	1930-07-01		Perfectionnement aux appareils récepteurs radioélectriques
DE667683C (de) *	1932-10-16	1938-11-18	Telefunken Gmbh	Elektronenroehre mit mindestens drei zwischen einer aeussersten Elektrode und der Kathode angeordneten Gittern

0
- NL NL45199D patent/NL45199C/xx active
1933
- 1933-01-14 US US651755A patent/US2034013A/en not_active Expired - Lifetime
- 1933-11-11 GB GB31489/33A patent/GB408903A/en not_active Expired
1934
- 1934-01-09 BE BE400782D patent/BE400782A/xx unknown
- 1934-01-09 FR FR766792D patent/FR766792A/fr not_active Expired
- 1934-01-14 DE DEH7333D patent/DE971556C/de not_active Expired

Also Published As

Publication number	Publication date
FR766792A (fr)	1934-07-04
DE971556C (de)	1959-02-19
BE400782A (de)	1934-02-28
US2034013A (en)	1936-03-17
GB408903A (en)	1934-04-19

Publication	Publication Date	Title
FR767812A (de)	1934-07-24
FR741901A (de)	1933-02-23
FR742690A (de)	1933-03-13
FR742393A (de)	1933-03-04
FR742107A (de)	1933-02-28
FR743585A (de)	1933-04-01
FR743415A (de)	1933-03-29
FR743322A (de)	1933-03-27
FR743199A (de)	1933-03-25
FR742449A (de)	1933-03-07
FR743682A (de)	1933-04-03
FR740284A (de)	1933-01-24
FR743699A (de)	1933-04-03
FR741733A (de)	1933-02-18
FR741531A (de)	1933-02-10
BE404630A (de)	1934-09-29
BE395712A (de)
BE400782A (de)	1934-02-28
BE405608A (de)
BE404277A (de)
BE402389A (de)
BE400909A (de)	1934-02-28
BE397415A (de)
BE395286A (de)
BE395669A (de)