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GB919422A - Improved rate indicating device - Google Patents

Improved rate indicating device

Info

Publication number
GB919422A
GB919422A GB3813560A GB3813560A GB919422A GB 919422 A GB919422 A GB 919422A GB 3813560 A GB3813560 A GB 3813560A GB 3813560 A GB3813560 A GB 3813560A GB 919422 A GB919422 A GB 919422A
Authority
GB
United Kingdom
Prior art keywords
indicating device
rate indicating
improved rate
pulses
capacitor
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
GB3813560A
Inventor
Vernon Arthur Sheridan
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.)
B P L INSTR Ltd
Original Assignee
B P L INSTR 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 B P L INSTR Ltd filed Critical B P L INSTR Ltd
Priority to GB3813560A priority Critical patent/GB919422A/en
Publication of GB919422A publication Critical patent/GB919422A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
    • G01P3/4807—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general by using circuits for the detection of the pulses delivered by the ignition system of an internal combustion engine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

919,422. Measuring electrically. B.P.L. (INSTRUMENTS) Ltd. Nov. 7, 1960, No. 38135/60. Class 40 (1). The engine R.P.M. meter of Fig. 1 of Specification 919,421 is modified to permit the pulses to be derived from the primary circuit of the ignition coil rather than the secondary circuit. The pulses from the engine contact breaker being applied to terminal B and filtered by the 33 K. resistor and 0.05 ÁF capacitor, rectified by the diode, and applied via a 300 pf capacitor to the monostable trigger and metering circuit of Specification 919,421.
GB3813560A 1960-11-07 1960-11-07 Improved rate indicating device Expired GB919422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3813560A GB919422A (en) 1960-11-07 1960-11-07 Improved rate indicating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3813560A GB919422A (en) 1960-11-07 1960-11-07 Improved rate indicating device

Publications (1)

Publication Number Publication Date
GB919422A true GB919422A (en) 1963-02-27

Family

ID=10401426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3813560A Expired GB919422A (en) 1960-11-07 1960-11-07 Improved rate indicating device

Country Status (1)

Country Link
GB (1) GB919422A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574119A1 (en) * 1984-12-04 1986-06-06 Bendix Electronics Sa ELECTRONIC SYSTEM FOR GENERATING A SYNCHRONOUS SIGNAL OF AN INTERNAL COMBUSTION ENGINE IGNITION SIGNAL

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574119A1 (en) * 1984-12-04 1986-06-06 Bendix Electronics Sa ELECTRONIC SYSTEM FOR GENERATING A SYNCHRONOUS SIGNAL OF AN INTERNAL COMBUSTION ENGINE IGNITION SIGNAL
EP0187071A1 (en) * 1984-12-04 1986-07-09 Siemens Aktiengesellschaft Electronic circuit for generating a signal in synchronism with the spark timing of an internal-combustion engine
US4676218A (en) * 1984-12-04 1987-06-30 Bendix Electronics S.A. Electronic system for the production of a signal synchronous with an internal combustion engine ignition signal

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