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FR57637E - Systèmes de communication par impulsions électriques - Google Patents

Systèmes de communication par impulsions électriques

Info

Publication number
FR57637E
FR57637E FR57637DA FR57637E FR 57637 E FR57637 E FR 57637E FR 57637D A FR57637D A FR 57637DA FR 57637 E FR57637 E FR 57637E
Authority
FR
France
Prior art keywords
communication systems
electrical impulse
impulse communication
electrical
systems
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)
Inventor
Donald David Grieg
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR57637E publication Critical patent/FR57637E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electrotherapy Devices (AREA)
  • Particle Accelerators (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Amplifiers (AREA)
  • Manipulation Of Pulses (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR57637D 1944-07-29 1947-08-06 Systèmes de communication par impulsions électriques Expired FR57637E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US547124A US2421025A (en) 1944-07-29 1944-07-29 Demodulator system

Publications (1)

Publication Number Publication Date
FR57637E true FR57637E (fr) 1953-03-17

Family

ID=24183427

Family Applications (3)

Application Number Title Priority Date Filing Date
FR951329D Expired FR951329A (fr) 1944-07-29 1947-08-06 Systèmes de communication pour impulsions électriques
FR57637D Expired FR57637E (fr) 1944-07-29 1947-08-06 Systèmes de communication par impulsions électriques
FR57636D Expired FR57636E (fr) 1944-07-29 1947-08-06 Systèmes de communication par impulsions électriques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR951329D Expired FR951329A (fr) 1944-07-29 1947-08-06 Systèmes de communication pour impulsions électriques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR57636D Expired FR57636E (fr) 1944-07-29 1947-08-06 Systèmes de communication par impulsions électriques

Country Status (5)

Country Link
US (1) US2421025A (fr)
BE (1) BE474952A (fr)
ES (1) ES179746A1 (fr)
FR (3) FR951329A (fr)
GB (2) GB601128A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL82248C (fr) * 1945-03-15
US2570236A (en) * 1945-04-28 1951-10-09 Conrad H Hoeppner Discriminator circuit
US2532338A (en) * 1945-11-15 1950-12-05 Columbia Broadcasting Syst Inc Pulse communication system
US2605409A (en) * 1946-03-27 1952-07-29 Forbes Gordon Donald Pulse narrowing circuit
US2462100A (en) * 1946-04-18 1949-02-22 Fed Telecomm Lab Inc Demodulator system for time modulated pulses
US2529172A (en) * 1948-12-30 1950-11-07 Gen Electric Pulse discriminating circuits
US2702853A (en) * 1950-02-08 1955-02-22 Gen Electric Wave shaping circuits
FR1116169A (fr) * 1953-11-04 1956-05-04 Gen Electric Co Ltd Circuit électrique à décrément stabilisé
BE562784A (fr) * 1956-11-30
US4521736A (en) * 1979-05-09 1985-06-04 Ampex Corporation Demodulator for pulse width modulated signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2181309A (en) * 1935-04-09 1939-11-28 Telefunken Gmbh Electrical impulse segregation circuit
US2113214A (en) * 1936-10-29 1938-04-05 Rca Corp Method of frequency or phase modulation
NL88393C (fr) * 1937-06-18
US2359447A (en) * 1942-06-20 1944-10-03 Rca Corp Electrical circuit
US2391776A (en) * 1943-05-29 1945-12-25 Rca Corp Intelligence transmission system

Also Published As

Publication number Publication date
BE474952A (fr)
ES179746A1 (es) 1947-11-01
FR57636E (fr) 1953-03-17
US2421025A (en) 1947-05-27
GB601135A (en) 1948-04-28
FR951329A (fr) 1949-10-29
GB601128A (en) 1948-04-28

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