DE3669348D1 - System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz. - Google Patents

System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz.

Info

Publication number
DE3669348D1
DE3669348D1 DE8686117559T DE3669348T DE3669348D1 DE 3669348 D1 DE3669348 D1 DE 3669348D1 DE 8686117559 T DE8686117559 T DE 8686117559T DE 3669348 T DE3669348 T DE 3669348T DE 3669348 D1 DE3669348 D1 DE 3669348D1
Authority
DE
Germany
Prior art keywords
impulses
measuring
variable frequency
key ratio
key
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.)
Revoked
Application number
DE8686117559T
Other languages
English (en)
Inventor
Bernd Rumpf
Wolfgang Reisch
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6298089&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3669348(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Priority to DE8686117559T priority Critical patent/DE3669348D1/de
Application granted granted Critical
Publication of DE3669348D1 publication Critical patent/DE3669348D1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0007—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using electrical feedback
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
    • F02D2041/2027—Control of the current by pulse width modulation or duty cycle control

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE8686117559T 1986-04-07 1986-12-17 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz. Revoked DE3669348D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686117559T DE3669348D1 (de) 1986-04-07 1986-12-17 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863611565 DE3611565A1 (de) 1986-04-07 1986-04-07 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz
DE8686117559T DE3669348D1 (de) 1986-04-07 1986-12-17 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz.

Publications (1)

Publication Number Publication Date
DE3669348D1 true DE3669348D1 (de) 1990-04-12

Family

ID=6298089

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863611565 Withdrawn DE3611565A1 (de) 1986-04-07 1986-04-07 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz
DE8686117559T Revoked DE3669348D1 (de) 1986-04-07 1986-12-17 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863611565 Withdrawn DE3611565A1 (de) 1986-04-07 1986-04-07 System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz

Country Status (5)

Country Link
US (1) US4841451A (de)
EP (1) EP0242446B1 (de)
JP (1) JPS6311870A (de)
BR (1) BR8701584A (de)
DE (2) DE3611565A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249132A (en) * 1990-10-31 1993-09-28 Tektronix, Inc. Digital pulse generator
US5367200A (en) * 1993-11-29 1994-11-22 Northern Telecom Limited Method and apparatus for measuring the duty cycle of a digital signal
DE4341797A1 (de) * 1993-12-08 1995-06-14 Bosch Gmbh Robert Verfahren und Vorrichtung zur Ansteuerung eines elektromagnetischen Verbrauchers
US5544065A (en) * 1994-08-09 1996-08-06 Eaton Corporation Apparatus for digitizing ac signals of unknown or changing frequency
DE4429426C2 (de) * 1994-08-19 2002-10-10 Teves Gmbh Alfred Frequenzwandler mit konstantem Übersetzungsverhältnis einer veränderbaren Eingangsfrequenz
EP1413045B1 (de) 2001-08-01 2008-07-23 EMB-Papst St. Georgen GmbH & Co. KG Verfahren zum bestimmen eines numerischen wertes für die zeitliche dauer eines sich periodisch wiederholenden impulsförmigen signals, und vorrichtung zur durchführung eines solchen verfahrens

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200063A (en) * 1978-03-20 1980-04-29 General Motors Corporation Engine fuel injection control apparatus with simultaneous pulse width and frequency adjustment
JPS58172452A (ja) * 1982-04-02 1983-10-11 Toyota Motor Corp 電子制御式燃料噴射装置
JPS5915640A (ja) * 1982-07-16 1984-01-26 Diesel Kiki Co Ltd 燃料噴射ポンプ用タイマ装置
US4600994A (en) * 1982-10-06 1986-07-15 Takeda Riken Kogyo Kabushikikaisha Phase difference measuring apparatus

Also Published As

Publication number Publication date
US4841451A (en) 1989-06-20
JPS6311870A (ja) 1988-01-19
EP0242446A2 (de) 1987-10-28
BR8701584A (pt) 1988-01-26
EP0242446B1 (de) 1990-03-07
EP0242446A3 (en) 1988-11-17
DE3611565A1 (de) 1987-10-08

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation