FR2121881A1 - - Google Patents

Info

Publication number
FR2121881A1
FR2121881A1 FR7201447A FR7201447A FR2121881A1 FR 2121881 A1 FR2121881 A1 FR 2121881A1 FR 7201447 A FR7201447 A FR 7201447A FR 7201447 A FR7201447 A FR 7201447A FR 2121881 A1 FR2121881 A1 FR 2121881A1
Authority
FR
France
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
FR7201447A
Other languages
French (fr)
Other versions
FR2121881B1 (enrdf_load_stackoverflow
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.)
BOSCH
Original Assignee
BOSCH
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 BOSCH filed Critical BOSCH
Publication of FR2121881A1 publication Critical patent/FR2121881A1/fr
Application granted granted Critical
Publication of FR2121881B1 publication Critical patent/FR2121881B1/fr
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
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/103—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the value of the measured signal with one or several reference values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/106—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the time duration between two impulses with a reference time
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
FR7201447A 1971-01-15 1972-01-17 Expired FR2121881B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101763 DE2101763A1 (de) 1971-01-15 1971-01-15 Einrichtung zur Überwachung der Drehzahl einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
FR2121881A1 true FR2121881A1 (enrdf_load_stackoverflow) 1972-08-25
FR2121881B1 FR2121881B1 (enrdf_load_stackoverflow) 1975-03-21

Family

ID=5795978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7201447A Expired FR2121881B1 (enrdf_load_stackoverflow) 1971-01-15 1972-01-17

Country Status (5)

Country Link
CH (1) CH541069A (enrdf_load_stackoverflow)
DE (1) DE2101763A1 (enrdf_load_stackoverflow)
ES (1) ES398899A1 (enrdf_load_stackoverflow)
FR (1) FR2121881B1 (enrdf_load_stackoverflow)
IT (1) IT946604B (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1250991A (fr) * 1959-10-19 1961-01-13 Sun Electric Corp Tachymètre électronique
US3182648A (en) * 1962-04-02 1965-05-11 Holley Carburetor Co Speed responsive switching apparatus
US3187202A (en) * 1962-10-25 1965-06-01 Itt Pulse-count control circuit wherein the input is sampled and inhibited upon input exceeding predetermined frequency
FR1536440A (fr) * 1967-07-07 1968-08-16 Dispositif indicateur de surrégime pour moteurs thermiques à allumage électrique
US3410360A (en) * 1966-05-09 1968-11-12 Motorola Inc Vehicle automatic speed control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1250991A (fr) * 1959-10-19 1961-01-13 Sun Electric Corp Tachymètre électronique
US3182648A (en) * 1962-04-02 1965-05-11 Holley Carburetor Co Speed responsive switching apparatus
US3187202A (en) * 1962-10-25 1965-06-01 Itt Pulse-count control circuit wherein the input is sampled and inhibited upon input exceeding predetermined frequency
US3410360A (en) * 1966-05-09 1968-11-12 Motorola Inc Vehicle automatic speed control
FR1536440A (fr) * 1967-07-07 1968-08-16 Dispositif indicateur de surrégime pour moteurs thermiques à allumage électrique

Also Published As

Publication number Publication date
FR2121881B1 (enrdf_load_stackoverflow) 1975-03-21
DE2101763A1 (de) 1972-07-20
CH541069A (de) 1973-08-31
IT946604B (it) 1973-05-21
ES398899A1 (es) 1974-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse