FR2321129B1 - - Google Patents

Info

Publication number
FR2321129B1
FR2321129B1 FR7525190A FR7525190A FR2321129B1 FR 2321129 B1 FR2321129 B1 FR 2321129B1 FR 7525190 A FR7525190 A FR 7525190A FR 7525190 A FR7525190 A FR 7525190A FR 2321129 B1 FR2321129 B1 FR 2321129B1
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.)
Expired
Application number
FR7525190A
Other languages
French (fr)
Other versions
FR2321129A1 (fr
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.)
Sperry Corp
Original Assignee
Sperry Corp
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 Sperry Corp filed Critical Sperry Corp
Priority to FR7525190A priority Critical patent/FR2321129A1/fr
Publication of FR2321129A1 publication Critical patent/FR2321129A1/fr
Application granted granted Critical
Publication of FR2321129B1 publication Critical patent/FR2321129B1/fr
Granted 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
    • G01P1/106—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
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rotational Drive Of Disk (AREA)
FR7525190A 1975-08-13 1975-08-13 Appareil de controle de vitesse Granted FR2321129A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7525190A FR2321129A1 (fr) 1975-08-13 1975-08-13 Appareil de controle de vitesse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7525190A FR2321129A1 (fr) 1975-08-13 1975-08-13 Appareil de controle de vitesse

Publications (2)

Publication Number Publication Date
FR2321129A1 FR2321129A1 (fr) 1977-03-11
FR2321129B1 true FR2321129B1 (pl) 1981-06-12

Family

ID=9159047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525190A Granted FR2321129A1 (fr) 1975-08-13 1975-08-13 Appareil de controle de vitesse

Country Status (1)

Country Link
FR (1) FR2321129A1 (pl)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819281A (en) * 1971-12-27 1974-06-25 Sperry Rand Corp Index-sector detection scheme for magnetic disc memory
IT994770B (it) * 1972-10-13 1975-10-20 Honeywell Inc Apparecchio per il controllo della velocita di alberi

Also Published As

Publication number Publication date
FR2321129A1 (fr) 1977-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse