AT300425B - Measuring device for determining the closing frequency of a switch - Google Patents

Measuring device for determining the closing frequency of a switch

Info

Publication number
AT300425B
AT300425B AT1134968A AT1134968A AT300425B AT 300425 B AT300425 B AT 300425B AT 1134968 A AT1134968 A AT 1134968A AT 1134968 A AT1134968 A AT 1134968A AT 300425 B AT300425 B AT 300425B
Authority
AT
Austria
Prior art keywords
switch
determining
measuring device
closing frequency
closing
Prior art date
Application number
AT1134968A
Other languages
German (de)
Inventor
Remo Galletti
Original Assignee
Olivetti & C S P A D
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 Olivetti & C S P A D filed Critical Olivetti & C S P A D
Application granted granted Critical
Publication of AT300425B publication Critical patent/AT300425B/en

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)
  • Measurement Of Current Or Voltage (AREA)
AT1134968A 1967-11-24 1968-11-21 Measuring device for determining the closing frequency of a switch AT300425B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2309067 1967-11-24

Publications (1)

Publication Number Publication Date
AT300425B true AT300425B (en) 1972-07-25

Family

ID=11203666

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1134968A AT300425B (en) 1967-11-24 1968-11-21 Measuring device for determining the closing frequency of a switch

Country Status (8)

Country Link
US (1) US3559063A (en)
AT (1) AT300425B (en)
BE (1) BE724226A (en)
CH (1) CH487466A (en)
DE (1) DE1810576A1 (en)
FR (1) FR1592465A (en)
NL (1) NL6816685A (en)
SE (1) SE340904B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719888A (en) * 1971-05-26 1973-03-06 Pentron Industries Predetermined speed detector for digital tachometer
US4095178A (en) * 1976-10-21 1978-06-13 Sun Electric Corporation Tachometer circuit

Also Published As

Publication number Publication date
DE1810576A1 (en) 1969-12-04
NL6816685A (en) 1969-05-28
SE340904B (en) 1971-12-06
US3559063A (en) 1971-01-26
CH487466A (en) 1970-03-15
FR1592465A (en) 1970-05-11
BE724226A (en) 1969-05-02

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee