DE68928591D1 - Anordnung zur kombinierten Puls-Raten- und Puls-Breiten-Modulation - Google Patents

Anordnung zur kombinierten Puls-Raten- und Puls-Breiten-Modulation

Info

Publication number
DE68928591D1
DE68928591D1 DE68928591T DE68928591T DE68928591D1 DE 68928591 D1 DE68928591 D1 DE 68928591D1 DE 68928591 T DE68928591 T DE 68928591T DE 68928591 T DE68928591 T DE 68928591T DE 68928591 D1 DE68928591 D1 DE 68928591D1
Authority
DE
Germany
Prior art keywords
arrangement
width modulation
combined
pulse
pulse width
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 - Fee Related
Application number
DE68928591T
Other languages
English (en)
Other versions
DE68928591T2 (de
Inventor
Thomas K Bohley
Grosvenor H Garnett
Christopher Koerner
Charles E Moore
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE68928591D1 publication Critical patent/DE68928591D1/de
Application granted granted Critical
Publication of DE68928591T2 publication Critical patent/DE68928591T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval
    • H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/86—Digital/analogue converters with intermediate conversion to frequency of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE68928591T 1988-04-26 1989-04-25 Anordnung zur kombinierten Puls-Raten- und Puls-Breiten-Modulation Expired - Fee Related DE68928591T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/186,430 US4940979A (en) 1988-04-26 1988-04-26 Combined rate/width modulation arrangement

Publications (2)

Publication Number Publication Date
DE68928591D1 true DE68928591D1 (de) 1998-04-09
DE68928591T2 DE68928591T2 (de) 1998-06-25

Family

ID=22684926

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68928591T Expired - Fee Related DE68928591T2 (de) 1988-04-26 1989-04-25 Anordnung zur kombinierten Puls-Raten- und Puls-Breiten-Modulation

Country Status (4)

Country Link
US (1) US4940979A (de)
EP (1) EP0339922B1 (de)
JP (1) JPH01311725A (de)
DE (1) DE68928591T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053769A (en) * 1990-02-12 1991-10-01 Borg-Warner Automotive, Inc. Fast response digital interface apparatus and method
GB2313004A (en) * 1996-05-07 1997-11-12 Advanced Risc Mach Ltd Digital to analogue converter
KR102436554B1 (ko) * 2015-10-29 2022-08-26 엘지디스플레이 주식회사 전원 제어장치 및 그 제어방법과 이를 포함한 유기발광 표시장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707713A (en) * 1970-10-13 1972-12-26 Westinghouse Electric Corp High resolution pulse rate modulated digital-to-analog converter system
BE791410A (fr) * 1971-11-19 1973-05-14 Westinghouse Electric Corp Appareil et methode de conversion d'une information numerique en une information analogique
US4096475A (en) * 1975-04-08 1978-06-20 U.S. Philips Corporation Circuit for the conversion of a digital signal to an analog signal
GB1553697A (en) * 1975-07-17 1979-10-03 Licentia Gmbh Digital to analogue converter arrangements
US4095218A (en) * 1976-08-30 1978-06-13 International Business Machines Corporation Hybrid pulse width-pulse rate digital-to-analog converter method and apparatus
JPS57194626A (en) * 1981-05-27 1982-11-30 Mitsubishi Electric Corp Da converter
JPS58121827A (ja) * 1982-01-14 1983-07-20 Nec Corp パルス発生回路

Also Published As

Publication number Publication date
US4940979A (en) 1990-07-10
JPH01311725A (ja) 1989-12-15
EP0339922A2 (de) 1989-11-02
DE68928591T2 (de) 1998-06-25
EP0339922A3 (de) 1992-01-15
EP0339922B1 (de) 1998-03-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee