FR981695A - Dispositif traducteur de signaux - Google Patents

Dispositif traducteur de signaux

Info

Publication number
FR981695A
FR981695A FR981695DA FR981695A FR 981695 A FR981695 A FR 981695A FR 981695D A FR981695D A FR 981695DA FR 981695 A FR981695 A FR 981695A
Authority
FR
France
Prior art keywords
translator device
signal translator
signal
translator
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR981695A publication Critical patent/FR981695A/fr
Expired legal-status Critical Current

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)
FR981695D 1948-04-21 1949-02-15 Dispositif traducteur de signaux Expired FR981695A (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
FR981695A true FR981695A (fr) 1951-05-29

Family

ID=21808758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981695D Expired FR981695A (fr) 1948-04-21 1949-02-15 Dispositif traducteur de signaux

Country Status (5)

Country Link
US (1) US2486776A (en:Method)
BE (1) BE488563A (en:Method)
CH (1) CH285637A (en:Method)
FR (1) FR981695A (en:Method)
NL (1) NL76055C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019712B (de) * 1952-05-27 1957-11-21 Phil Habil Oskar Vierling Dr Frequenzmodulierter tragbarer Hochfrequenzsender

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US2589658A (en) * 1948-06-17 1952-03-18 Bell Telephone Labor Inc Semiconductor amplifier and electrode structures therefor
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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
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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 (en) * 1949-05-28 1955-01-11 Western Electric Company, Incorporated Semiconductor translating devices
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
US2662124A (en) * 1949-06-01 1953-12-08 Bell Telephone Labor Inc Transistor amplifier 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
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
NL154165C (en:Method) * 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 (en:Method) * 1949-11-30
US2595475A (en) * 1949-12-23 1952-05-06 Rca Corp Electrode support for semiconductor devices
US2641639A (en) * 1949-12-23 1953-06-09 Rca Corp Point electrode for semiconductor devices
USB134657I5 (en:Method) * 1949-12-23
US2627575A (en) * 1950-02-18 1953-02-03 Bell Telephone Labor Inc Semiconductor translating device
NL87381C (en:Method) * 1950-03-31
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 (en:Method) * 1950-11-30
US2629858A (en) * 1950-12-29 1953-02-24 Rca Corp Transistor amplitude modulator
US2644925A (en) * 1950-12-29 1953-07-07 Rca Corp Semiconductor amplitude modulation system
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
BE521520A (en:Method) * 1952-07-18
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 (en:Method) * 1953-01-22
US3002087A (en) * 1953-05-01 1961-09-26 Itt Self-powered radio transmitter
NL187545C (en:Method) * 1953-08-10
US2855568A (en) * 1953-08-31 1958-10-07 Rca Corp Semi-conductor oscillation generators
US2809239A (en) * 1953-09-18 1957-10-08 Sylvania Electric Prod Transistor circuits
US2890418A (en) * 1953-09-18 1959-06-09 Rca Corp Non-linear semi-conductor signal translating 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
NL126564C (en:Method) * 1958-12-02 1900-01-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019712B (de) * 1952-05-27 1957-11-21 Phil Habil Oskar Vierling Dr Frequenzmodulierter tragbarer Hochfrequenzsender

Also Published As

Publication number Publication date
BE488563A (en:Method)
NL76055C (en:Method)
CH285637A (fr) 1952-09-15
US2486776A (en) 1949-11-01

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