FR2221735B1 - - Google Patents

Info

Publication number
FR2221735B1
FR2221735B1 FR7405833A FR7405833A FR2221735B1 FR 2221735 B1 FR2221735 B1 FR 2221735B1 FR 7405833 A FR7405833 A FR 7405833A FR 7405833 A FR7405833 A FR 7405833A FR 2221735 B1 FR2221735 B1 FR 2221735B1
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
FR7405833A
Other languages
French (fr)
Other versions
FR2221735A1 (en
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR7405833A priority Critical patent/FR2221735A1/fr
Publication of FR2221735A1 publication Critical patent/FR2221735A1/fr
Application granted granted Critical
Publication of FR2221735B1 publication Critical patent/FR2221735B1/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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P7/00—Measuring speed by integrating acceleration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
FR7405833A 1974-02-13 1974-02-13 Electronic tachometer - has angular speed signal derived from position and acceleration signals and with low-pass filter Granted FR2221735A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7405833A FR2221735A1 (en) 1974-02-13 1974-02-13 Electronic tachometer - has angular speed signal derived from position and acceleration signals and with low-pass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405833A FR2221735A1 (en) 1974-02-13 1974-02-13 Electronic tachometer - has angular speed signal derived from position and acceleration signals and with low-pass filter

Publications (2)

Publication Number Publication Date
FR2221735A1 FR2221735A1 (en) 1974-10-11
FR2221735B1 true FR2221735B1 (enExample) 1976-04-30

Family

ID=9135217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405833A Granted FR2221735A1 (en) 1974-02-13 1974-02-13 Electronic tachometer - has angular speed signal derived from position and acceleration signals and with low-pass filter

Country Status (1)

Country Link
FR (1) FR2221735A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138728A (en) * 1977-06-29 1979-02-06 International Business Machines Corporation Electronic tachometer with variable bandwidth differentiator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1171214A (en) * 1967-04-27 1969-11-19 Telehoist Ltd Improvements in Servo Systems

Also Published As

Publication number Publication date
FR2221735A1 (en) 1974-10-11

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Legal Events

Date Code Title Description
ST Notification of lapse