BE488563A - - Google Patents

Info

Publication number
BE488563A
BE488563A BE488563DA BE488563A BE 488563 A BE488563 A BE 488563A BE 488563D A BE488563D A BE 488563DA BE 488563 A BE488563 A BE 488563A
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.)
Publication of BE488563A publication Critical patent/BE488563A/xx

Links

Classifications

    • 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
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
    • H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
BE488563D 1948-04-21 BE488563A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22276A US2486776A (en) 1948-04-21 1948-04-21 Self-biased electric translating device

Publications (1)

Publication Number Publication Date
BE488563A true BE488563A (fr)

Family

ID=21808758

Family Applications (1)

Application Number Title Priority Date Filing Date
BE488563D BE488563A (fr) 1948-04-21

Country Status (5)

Country Link
US (1) US2486776A (fr)
BE (1) BE488563A (fr)
CH (1) CH285637A (fr)
FR (1) FR981695A (fr)
NL (1) NL76055C (fr)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697189A (en) * 1954-12-14 Electrode for semiconductor devices
GB674935A (en) * 1947-10-25 1952-07-02 Distillers Co Yeast Ltd Drying apparatus and process
US2589658A (en) * 1948-06-17 1952-03-18 Bell Telephone Labor Inc Semiconductor amplifier and electrode structures therefor
US2617865A (en) * 1948-06-17 1952-11-11 Bell Telephone Labor Inc Semiconductor amplifier and electrode structures therefor
US2569347A (en) * 1948-06-26 1951-09-25 Bell Telephone Labor Inc Circuit element utilizing semiconductive material
US2677793A (en) * 1948-07-20 1954-05-04 Sylvania Electric Prod Crystal amplifier
US2673311A (en) * 1948-07-24 1954-03-23 Sylvania Electric Prod Crystal amplifier
US2691750A (en) * 1948-08-14 1954-10-12 Bell Telephone Labor Inc Semiconductor amplifier
NL147218C (fr) * 1948-08-14
US2549550A (en) * 1948-08-19 1951-04-17 Bell Telephone Labor Inc Vibration-operated transistor
US2661448A (en) * 1948-12-20 1953-12-01 North American Aviation Inc Transfer resistor and method of making
US2666977A (en) * 1948-12-31 1954-01-26 Bell Telephone Labor Inc Reversible semiconductor and method of making it
US2632146A (en) * 1949-01-13 1953-03-17 Bell Telephone Labor Inc Transistor frequency modulation
US2553490A (en) * 1949-02-21 1951-05-15 Bell Telephone Labor Inc Magnetic control of semiconductor currents
US2660624A (en) * 1949-02-24 1953-11-24 Rca Corp High input impedance semiconductor amplifier
US2584990A (en) * 1949-03-26 1952-02-12 Bell Telephone Labor Inc Transitor counting system
US2544211A (en) * 1949-05-18 1951-03-06 Rca Corp Variable impedance device
CA509126A (fr) * 1949-05-28 1955-01-11 Western Electric Company, Incorporated Dispositifs translateurs de semi-conducteurs
US2609427A (en) * 1949-05-31 1952-09-02 Rca Corp Three-electrode semiconductor device
US2647957A (en) * 1949-06-01 1953-08-04 Bell Telephone Labor Inc Transistor circuit
US2606960A (en) * 1949-06-01 1952-08-12 Bell Telephone Labor Inc Semiconductor translating device
US2662122A (en) * 1949-06-01 1953-12-08 Bell Telephone Labor Inc Two-way transistor electrical transmission system
US2662124A (en) * 1949-06-01 1953-12-08 Bell Telephone Labor Inc Transistor amplifier circuit
US2677079A (en) * 1949-06-11 1954-04-27 Automatic Elect Lab Concentric translating device
US2632062A (en) * 1949-06-15 1953-03-17 Bell Telephone Labor Inc Semiconductor transducer
US2713117A (en) * 1949-06-18 1955-07-12 Sylvania Electric Prod Heterodyne converter
US2675509A (en) * 1949-07-26 1954-04-13 Rca Corp High-frequency response semiconductor device
US2644914A (en) * 1949-08-17 1953-07-07 Bell Telephone Labor Inc Multicontact semiconductor translating device
US2691074A (en) * 1949-08-31 1954-10-05 Rca Corp Amplifier having frequency responsive variable gain
US2629767A (en) * 1949-08-31 1953-02-24 Rca Corp Semiconductor amplifier or oscillator device
BE495936A (fr) * 1949-10-11
US2706247A (en) * 1949-10-14 1955-04-12 Jacobs Means and method for storing information in digital computers
US2587697A (en) * 1949-10-28 1952-03-04 Stromberg Carlson Co Apparatus for testing amplifiers
NL82014C (fr) * 1949-11-30
US2641639A (en) * 1949-12-23 1953-06-09 Rca Corp Point electrode for semiconductor devices
US2595475A (en) * 1949-12-23 1952-05-06 Rca Corp Electrode support for semiconductor devices
USB134657I5 (fr) * 1949-12-23
US2627575A (en) * 1950-02-18 1953-02-03 Bell Telephone Labor Inc Semiconductor translating device
NL160163B (nl) * 1950-03-31 Staley Mfg Co A E Werkwijze voor het vervaardigen van tabletten.
GB683558A (en) * 1950-05-31 1952-12-03 Standard Telephones Cables Ltd Improvements in or relating to crystal triodes
US2570938A (en) * 1950-06-24 1951-10-09 Rca Corp Variable reactance transistor circuit
US2704792A (en) * 1950-06-28 1955-03-22 Rca Corp Amplifier with adjustable peak frequency response
US2666902A (en) * 1950-06-30 1954-01-19 Rca Corp Frequency modulator transistor circuits
US2570939A (en) * 1950-08-23 1951-10-09 Rca Corp Semiconductor reactance circuit
US2666874A (en) * 1950-08-25 1954-01-19 Rca Corp Construction of semiconductor devices
US2792538A (en) * 1950-09-14 1957-05-14 Bell Telephone Labor Inc Semiconductor translating devices with embedded electrode
US2666816A (en) * 1950-10-20 1954-01-19 Westinghouse Electric Corp Semiconductor amplifier
US2650311A (en) * 1950-10-26 1953-08-25 Purdue Research Foundation Radiant energy detecting method and apparatus
US2666817A (en) * 1950-11-09 1954-01-19 Bell Telephone Labor Inc Transistor amplifier and power supply therefor
US2713665A (en) * 1950-11-09 1955-07-19 Bell Telephone Labor Inc Transistor modulator circuits
BE507187A (fr) * 1950-11-30
US2644925A (en) * 1950-12-29 1953-07-07 Rca Corp Semiconductor amplitude modulation system
US2629858A (en) * 1950-12-29 1953-02-24 Rca Corp Transistor amplitude modulator
US2729708A (en) * 1951-02-02 1956-01-03 Rca Corp Band-pass amplifier systems
US2702316A (en) * 1951-02-28 1955-02-15 Rca Corp Signal modulation system
US2745012A (en) * 1951-08-18 1956-05-08 Bell Telephone Labor Inc Transistor blocking oscillators
US2745021A (en) * 1951-11-23 1956-05-08 Rca Corp Photo device amplifier circuit
US2676271A (en) * 1952-01-25 1954-04-20 Bell Telephone Labor Inc Transistor gate
US2693568A (en) * 1952-03-05 1954-11-02 Bell Telephone Labor Inc Current and voltage regulation
DE1019712B (de) * 1952-05-27 1957-11-21 Phil Habil Oskar Vierling Dr Frequenzmodulierter tragbarer Hochfrequenzsender
NL179583B (nl) * 1952-07-18 Janssen Pharmaceutica Nv Werkwijze ter bereiding van een geneesmiddel met anti-inflammatoire werking, en werkwijze ter bereiding van geneeskrachtige aroyl-gesubstitueerde fenylazijnzuurderivaten.
US2728857A (en) * 1952-09-09 1955-12-27 Rca Corp Electronic switching
NL182822B (nl) * 1952-11-15 Roskam Willem Gerrit Preparatief elektroforese-apparaat.
US2795762A (en) * 1952-12-05 1957-06-11 Rca Corp Modulation
DE931664C (de) * 1953-01-16 1955-08-16 Siemens Ag Schaltungsanordnung zur Frequenzmodulation
BE525856A (fr) * 1953-01-22
US3002087A (en) * 1953-05-01 1961-09-26 Itt Self-powered radio transmitter
NL187545C (fr) * 1953-08-10
US2855568A (en) * 1953-08-31 1958-10-07 Rca Corp Semi-conductor oscillation generators
US2890418A (en) * 1953-09-18 1959-06-09 Rca Corp Non-linear semi-conductor signal translating circuits
US2809239A (en) * 1953-09-18 1957-10-08 Sylvania Electric Prod Transistor circuits
US2999926A (en) * 1953-12-30 1961-09-12 Rca Corp Semi-conductor signal transmitting systems
US2807718A (en) * 1954-06-03 1957-09-24 Philco Corp Transistor-detector
US2904704A (en) * 1954-06-17 1959-09-15 Gen Electric Semiconductor devices
US2810110A (en) * 1954-07-16 1957-10-15 Rca Corp Semi-conductor modulation circuits
US2883313A (en) * 1954-08-16 1959-04-21 Rca Corp Semiconductor devices
US2981833A (en) * 1955-03-17 1961-04-25 Jr George W Bryan Sound powered radio transmitter
US2900506A (en) * 1955-03-30 1959-08-18 Sperry Rand Corp Phase detector
US2953692A (en) * 1955-05-13 1960-09-20 Sperry Rand Corp Amplifier devices
US2918573A (en) * 1956-09-10 1959-12-22 Dresser Ind Passive self-powered transistor detector-amplifier
US2914684A (en) * 1957-03-18 1959-11-24 Collins Radio Co Transistor phase detector
US2964654A (en) * 1957-03-29 1960-12-13 Abraham George Electrical switching circuit
US3034074A (en) * 1957-10-30 1962-05-08 Gen Electric Full-wave modulator circuits
US2906968A (en) * 1957-12-27 1959-09-29 Montgomery George Franklin Transistor-controlled reactance modulator
CA640327A (en) * 1958-07-12 1962-04-24 N.V. Philips Gloeilampenfabrieken Circuit arrangement for converting an electric signal logarithmically
NL245913A (fr) * 1958-12-02 1900-01-01

Also Published As

Publication number Publication date
CH285637A (fr) 1952-09-15
FR981695A (fr) 1951-05-29
NL76055C (fr)
US2486776A (en) 1949-11-01

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