CH271004A - Device for obtaining pulses modulated by a low frequency signal. - Google Patents

Device for obtaining pulses modulated by a low frequency signal.

Info

Publication number
CH271004A
CH271004A CH271004DA CH271004A CH 271004 A CH271004 A CH 271004A CH 271004D A CH271004D A CH 271004DA CH 271004 A CH271004 A CH 271004A
Authority
CH
Switzerland
Prior art keywords
frequency signal
low frequency
pulses modulated
obtaining pulses
obtaining
Prior art date
Application number
Other languages
French (fr)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH271004A publication Critical patent/CH271004A/en

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
CH271004D 1945-09-25 1946-10-26 Device for obtaining pulses modulated by a low frequency signal. CH271004A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH271004A true CH271004A (en) 1950-09-30

Family

ID=19781929

Family Applications (1)

Application Number Title Priority Date Filing Date
CH271004D CH271004A (en) 1945-09-25 1946-10-26 Device for obtaining pulses modulated by a low frequency signal.

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
FR1200751A (en) * 1956-11-13 1959-12-24 Decca Record Co Ltd Improvements in electrical transmission and storage of information represented by direct voltages
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
GB1168076A (en) * 1965-10-07 1969-10-22 Matsushita Electric Industrial 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
US2471168A (en) 1949-05-24
BE468599A (en)
FR939866A (en) 1948-11-26
DE851965C (en) 1952-10-09
NL73971C (en)
GB628555A (en) 1949-08-31

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