DE2808672A1 - Schaltung zur erzeugung einer digitalzaehlung - Google Patents

Schaltung zur erzeugung einer digitalzaehlung

Info

Publication number
DE2808672A1
DE2808672A1 DE19782808672 DE2808672A DE2808672A1 DE 2808672 A1 DE2808672 A1 DE 2808672A1 DE 19782808672 DE19782808672 DE 19782808672 DE 2808672 A DE2808672 A DE 2808672A DE 2808672 A1 DE2808672 A1 DE 2808672A1
Authority
DE
Germany
Prior art keywords
counter
pulses
signal
control
frequency
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.)
Granted
Application number
DE19782808672
Other languages
German (de)
English (en)
Other versions
DE2808672C2 (en, 2012
Inventor
James Michael Salt
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of DE2808672A1 publication Critical patent/DE2808672A1/de
Application granted granted Critical
Publication of DE2808672C2 publication Critical patent/DE2808672C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/02—Measuring arrangements giving results other than momentary value of variable, of general application giving mean values, e.g. root means square values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/20—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid combined with planimeters or integrators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G01R23/08—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using response of circuits tuned off resonance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Manipulation Of Pulses (AREA)
DE19782808672 1977-03-02 1978-03-01 Schaltung zur erzeugung einer digitalzaehlung Granted DE2808672A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8867/77A GB1601333A (en) 1977-03-02 1977-03-02 Circuit for producing a digital count representing the average value of a variable frequency

Publications (2)

Publication Number Publication Date
DE2808672A1 true DE2808672A1 (de) 1978-09-14
DE2808672C2 DE2808672C2 (en, 2012) 1990-11-29

Family

ID=9860795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782808672 Granted DE2808672A1 (de) 1977-03-02 1978-03-01 Schaltung zur erzeugung einer digitalzaehlung

Country Status (10)

Country Link
US (1) US4154096A (en, 2012)
JP (1) JPS53136873A (en, 2012)
AU (1) AU520232B2 (en, 2012)
BR (1) BR7801242A (en, 2012)
DE (1) DE2808672A1 (en, 2012)
ES (1) ES467505A1 (en, 2012)
FR (1) FR2382700A1 (en, 2012)
GB (1) GB1601333A (en, 2012)
IT (1) IT1092899B (en, 2012)
ZA (1) ZA781066B (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604903A1 (de) * 1986-02-17 1987-08-20 Bosch Gmbh Robert Vorrichtung zur ermittlung der drehzahl einer welle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485641A1 (fr) * 1980-06-26 1981-12-31 Renault Procede et dispositif de commande electronique d'allumage pour moteur a combustion interne
DE3900292A1 (de) * 1989-01-07 1990-07-12 Acer Inc Frequenzdetektor
US5251807A (en) * 1991-08-16 1993-10-12 Capaci Anthony C Wrapper for bundling newsprint for recycling
CN115166284B (zh) * 2022-06-28 2025-05-02 大陆汽车车身电子系统（芜湖）有限公司 频率信号采集系统及频率信号采集方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518539A (en) * 1967-06-26 1970-06-30 Japan Atomic Energy Res Inst Time analyzers for counting-rate change measurement
DE2127283A1 (de) * 1971-05-10 1972-11-23 Aktiengesellschaft Brown, Boveri & Cie, Baden (Schweiz) Verfahren und Einrichtung zur Messung der Frequenz von elektrischen Signalen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1567026A (en, 2012) * 1967-03-31 1968-05-16
US3767902A (en) * 1972-12-12 1973-10-23 Essex International Inc Engine member position predictor
DE2350724C2 (de) * 1973-10-10 1975-08-14 Forschungsvereinigung Verbrennungskraftmaschinen E.V., 6000 Frankfurt Verfahren und Vorrichtung zur elektronischen Messung des indizierten mittleren Druckes bei Kolbenmaschinen
DE2552079C2 (de) * 1975-11-20 1983-07-14 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Bestimmung des Mittelwertes einer Frequenz

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518539A (en) * 1967-06-26 1970-06-30 Japan Atomic Energy Res Inst Time analyzers for counting-rate change measurement
DE2127283A1 (de) * 1971-05-10 1972-11-23 Aktiengesellschaft Brown, Boveri & Cie, Baden (Schweiz) Verfahren und Einrichtung zur Messung der Frequenz von elektrischen Signalen
US3803487A (en) * 1971-05-10 1974-04-09 Bbc Brown Boveri & Cie Method of and apparatus for measuring the frequency of electrical signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604903A1 (de) * 1986-02-17 1987-08-20 Bosch Gmbh Robert Vorrichtung zur ermittlung der drehzahl einer welle

Also Published As

Publication number Publication date
IT7820786A0 (it) 1978-03-01
FR2382700A1 (fr) 1978-09-29
FR2382700B1 (en, 2012) 1980-09-19
ES467505A1 (es) 1978-10-16
AU3367278A (en) 1979-09-06
DE2808672C2 (en, 2012) 1990-11-29
AU520232B2 (en) 1982-01-21
JPS53136873A (en) 1978-11-29
ZA781066B (en) 1979-01-31
IT1092899B (it) 1985-07-12
US4154096A (en) 1979-05-15
BR7801242A (pt) 1978-12-12
GB1601333A (en) 1981-10-28

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8339 Ceased/non-payment of the annual fee