FR939866A - Device for converting a signal of variable amplitude into a pulse of constant frequency and variable duration and applications - Google Patents

Device for converting a signal of variable amplitude into a pulse of constant frequency and variable duration and applications

Info

Publication number
FR939866A
FR939866A FR939866DA FR939866A FR 939866 A FR939866 A FR 939866A FR 939866D A FR939866D A FR 939866DA FR 939866 A FR939866 A FR 939866A
Authority
FR
France
Prior art keywords
variable
converting
pulse
applications
signal
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR939866A publication Critical patent/FR939866A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
FR939866D 1945-09-25 1947-01-21 Device for converting a signal of variable amplitude into a pulse of constant frequency and variable duration and applications Expired FR939866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL271004X 1945-09-25

Publications (1)

Publication Number Publication Date
FR939866A true FR939866A (en) 1948-11-26

Family

ID=19781929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939866D Expired FR939866A (en) 1945-09-25 1947-01-21 Device for converting a signal of variable amplitude into a pulse of constant frequency and variable duration and applications

Country Status (7)

Country Link
US (1) US2471168A (en)
BE (1) BE468599A (en)
CH (1) CH271004A (en)
DE (1) DE851965C (en)
FR (1) FR939866A (en)
GB (1) GB628555A (en)
NL (1) NL73971C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL142105B (en) * 1947-09-06 Beck Erich Ing PROCESS FOR THE COMPACTION AND AGGLOMERATION OF POWDER TO GRAIN THERMOPLASTIC MATERIALS.
US2718449A (en) * 1949-09-23 1955-09-20 Phillips Petroleum Co Pulse measuring apparatus
US2753452A (en) * 1949-10-12 1956-07-03 Gen Dynamics Corp Synchronizing signal separation system
US2748278A (en) * 1951-05-21 1956-05-29 Hewlett Packard Co Sine wave generator
US2700501A (en) * 1951-12-28 1955-01-25 Wang An Voltage detector
DE1242264B (en) * 1956-11-13 1967-06-15 Decca Ltd Device for transmission and / or storage of messages in the form of a direct voltage of variable size
US3393363A (en) * 1963-10-07 1968-07-16 Forster Ind Inc Amplifying means employing pulse width modulation
US3380003A (en) * 1965-02-25 1968-04-23 Gen Motors Corp Signal frequency to pulse width modulation converter
US3535433A (en) * 1965-10-07 1970-10-20 Matsushita Electric Ind Co Ltd System for transmitting or recording and reproducing a plurality of signals
US3478170A (en) * 1965-10-22 1969-11-11 Siemens Ag Modulation system for converting analogue signals to a pulse amplitude to pulse width to a binary output
FR2455526A2 (en) * 1979-05-04 1980-11-28 Treves Ets Head rest for vehicle seat - is mounted on U=shaped frame and has threaded spindle rotated to move head rest forwards or backwards

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1712993A (en) * 1916-08-14 1929-05-14 Western Electric Co Signaling system
US2121117A (en) * 1935-03-18 1938-06-21 Richard E Conover Electronic timer
US2269151A (en) * 1937-04-24 1942-01-06 Gen Electric Electric control circuits
US2284101A (en) * 1940-02-29 1942-05-26 Rca Corp Impulse generator
US2413440A (en) * 1942-05-15 1946-12-31 Hazeltine Research Inc Electronic switch
US2392632A (en) * 1944-06-17 1946-01-08 Gen Electric Frequency difference measurement

Also Published As

Publication number Publication date
DE851965C (en) 1952-10-09
BE468599A (en)
GB628555A (en) 1949-08-31
NL73971C (en)
CH271004A (en) 1950-09-30
US2471168A (en) 1949-05-24

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