CH285637A - Circuit transmitting signals. - Google Patents

Circuit transmitting signals.

Info

Publication number
CH285637A
CH285637A CH285637DA CH285637A CH 285637 A CH285637 A CH 285637A CH 285637D A CH285637D A CH 285637DA CH 285637 A CH285637 A CH 285637A
Authority
CH
Switzerland
Prior art keywords
transmitting signals
circuit transmitting
circuit
signals
transmitting
Prior art date
Application number
Other languages
French (fr)
Inventor
Incorporated Western E Company
Original Assignee
Western Electric Co
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 filed Critical Western Electric Co
Publication of CH285637A publication Critical patent/CH285637A/en

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)
CH285637D 1948-04-21 1949-04-12 Circuit transmitting signals. CH285637A (en)

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
CH285637A true CH285637A (en) 1952-09-15

Family

ID=21808758

Family Applications (1)

Application Number Title Priority Date Filing Date
CH285637D CH285637A (en) 1948-04-21 1949-04-12 Circuit transmitting signals.

Country Status (5)

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

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
NL147218C (en) * 1948-08-14
US2691750A (en) * 1948-08-14 1954-10-12 Bell Telephone Labor Inc Semiconductor amplifier
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 (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
US2606960A (en) * 1949-06-01 1952-08-12 Bell Telephone Labor Inc Semiconductor translating 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
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
BE495936A (en) * 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
BE500302A (en) * 1949-11-30
US2641639A (en) * 1949-12-23 1953-06-09 Rca Corp Point electrode for semiconductor devices
USB134657I5 (en) * 1949-12-23
US2595475A (en) * 1949-12-23 1952-05-06 Rca Corp Electrode support for semiconductor devices
US2627575A (en) * 1950-02-18 1953-02-03 Bell Telephone Labor Inc Semiconductor translating device
BE502229A (en) * 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
NL82047C (en) * 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 (en) * 1952-05-27 1957-11-21 Phil Habil Oskar Vierling Dr Frequency modulated portable radio frequency transmitter
BE521520A (en) * 1952-07-18
US2728857A (en) * 1952-09-09 1955-12-27 Rca Corp Electronic switching
NL182822B (en) * 1952-11-15 Roskam Willem Gerrit PREPARATIVE ELECTROPHONE DEVICE.
US2795762A (en) * 1952-12-05 1957-06-11 Rca Corp Modulation
DE931664C (en) * 1953-01-16 1955-08-16 Siemens Ag Circuit arrangement for frequency modulation
BE525856A (en) * 1953-01-22
US3002087A (en) * 1953-05-01 1961-09-26 Itt Self-powered radio transmitter
NL187545C (en) * 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
NL229550A (en) * 1958-07-12
NL245913A (en) * 1958-12-02 1900-01-01

Also Published As

Publication number Publication date
US2486776A (en) 1949-11-01
BE488563A (en)
NL76055C (en)
FR981695A (en) 1951-05-29

Similar Documents

Publication Publication Date Title
CH285637A (en) Circuit transmitting signals.
CH285864A (en) Tapping attachment.
FR990032A (en) Signal converter device
FR989540A (en) Electrical signal receiver
CH282886A (en) Telegraphic recording device.
CH283212A (en) Switch device.
NL150641B (en) DATA TRANSMISSION SYSTEM.
FR987802A (en) Electrical signal receiver
CH291689A (en) Telegraph receiver.
NL146666B (en) SIGNAL AMPLIFIER.
CH304199A (en) Signal receiver.
CH315746A (en) Telegraph signal transmission device
CH275294A (en) Mixed circuit.
CH309042A (en) Regenerative device for radiotelegraph signals.
CH280990A (en) High frequency receiving device.
CH275737A (en) Serving device.
FR983306A (en) Signal selection circuit
CH281839A (en) Transmission device.
ES17328Y (en) Whistle.
FR1012380A (en) Signal multipliers
CH274278A (en) Radar equipment.
DK76178C (en) Signal converter.
DK80120C (en) Television transmitter.
CH277500A (en) Monitoring circuit.
DK80559C (en) Tone frequency signal receiver.