ES179746A1 - Mejoras introducidas en sistemas de moduladores - Google Patents

Mejoras introducidas en sistemas de moduladores

Info

Publication number
ES179746A1
ES179746A1 ES0179746A ES179746A ES179746A1 ES 179746 A1 ES179746 A1 ES 179746A1 ES 0179746 A ES0179746 A ES 0179746A ES 179746 A ES179746 A ES 179746A ES 179746 A1 ES179746 A1 ES 179746A1
Authority
ES
Spain
Prior art keywords
width
pulses
whose
ripples
improvements made
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
ES0179746A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES179746A1 publication Critical patent/ES179746A1/es
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)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Manipulation Of Pulses (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Amplifiers (AREA)
ES0179746A 1944-07-29 1947-09-16 Mejoras introducidas en sistemas de moduladores Expired ES179746A1 (es)

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
ES179746A1 true ES179746A1 (es) 1947-11-01

Family

ID=24183427

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0179746A Expired ES179746A1 (es) 1944-07-29 1947-09-16 Mejoras introducidas en sistemas de moduladores

Country Status (5)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE458361A (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 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
BE428656A (enrdf_load_stackoverflow) * 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
GB601128A (en) 1948-04-28
FR57637E (fr) 1953-03-17
GB601135A (en) 1948-04-28
FR951329A (fr) 1949-10-29
FR57636E (fr) 1953-03-17
US2421025A (en) 1947-05-27
BE474952A (enrdf_load_stackoverflow)

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