GB582979A - Improvements in or relating to time modulation pulse systems - Google Patents

Improvements in or relating to time modulation pulse systems

Info

Publication number
GB582979A
GB582979A GB12875/42A GB1287542A GB582979A GB 582979 A GB582979 A GB 582979A GB 12875/42 A GB12875/42 A GB 12875/42A GB 1287542 A GB1287542 A GB 1287542A GB 582979 A GB582979 A GB 582979A
Authority
GB
United Kingdom
Prior art keywords
resistances
phase
signal
saw
tooth
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
GB12875/42A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB582979A publication Critical patent/GB582979A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/04—Sources of current
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electrotherapy Devices (AREA)
GB12875/42A 1942-09-11 1942-09-11 Improvements in or relating to time modulation pulse systems Expired GB582979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB272089X 1942-09-11

Publications (1)

Publication Number Publication Date
GB582979A true GB582979A (en) 1946-12-04

Family

ID=10255922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12875/42A Expired GB582979A (en) 1942-09-11 1942-09-11 Improvements in or relating to time modulation pulse systems

Country Status (5)

Country Link
US (1) US2434965A (enExample)
BE (1) BE470457A (enExample)
CH (1) CH272089A (enExample)
FR (1) FR939397A (enExample)
GB (1) GB582979A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513308A (en) * 1945-09-01 1950-07-04 Standard Telephones Cables Ltd Electrical time modulated pulse communication system
US2680153A (en) * 1949-01-14 1954-06-01 Philco Corp Multichannel communication system
US3026504A (en) * 1956-05-01 1962-03-20 Rca Corp Information transmission system
US3440657A (en) * 1965-08-05 1969-04-22 Gen Motors Corp Multichannel multiplex communication system using pulse width modulation and an audio sync on one pulse
US3783398A (en) * 1972-09-01 1974-01-01 Int Video Corp Fm pulse averaging demodulator
DE10245173A1 (de) * 2002-09-26 2004-04-08 Margrit Bodinek Schaukelsessel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2019481A (en) * 1930-04-05 1935-11-05 Collins Radio Co High frequency modulation system
US2086918A (en) * 1935-08-22 1937-07-13 Rca Corp Method of frequency or phase modulation
US2226459A (en) * 1935-11-23 1940-12-24 Philco Radio & Television Corp Signal-deriving circuit
USRE22055E (en) * 1936-07-08 1942-03-24 Synchronization system fob
NL58320C (enExample) * 1938-06-01
US2287174A (en) * 1939-09-16 1942-06-23 Bell Telephone Labor Inc Relative phase measuring circuit and method

Also Published As

Publication number Publication date
FR939397A (fr) 1948-11-12
CH272089A (fr) 1950-11-30
US2434965A (en) 1948-01-27
BE470457A (enExample)

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