FR659992A - Automotive tachometer - Google Patents

Automotive tachometer

Info

Publication number: FR659992A
Authority: FR; France
Prior art keywords: tachometer; automotive; automotive tachometer
Prior art date: 1928-09-05
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

Other languages

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.)

Compteurs Schlumberger SA

Original Assignee

Compteurs Schlumberger SA

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.)

1928-09-05

Filing date

1928-09-05

Publication date

1929-07-05

1928-09-05 Application filed by Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA

1929-07-05 Application granted granted Critical

1929-07-05 Publication of FR659992A publication Critical patent/FR659992A/en

Status Expired legal-status Critical Current

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
- G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
- G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR659992D 1928-09-05 1928-09-05 Automotive tachometer Expired FR659992A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR659992T		1928-09-05

Publications (1)

Publication Number	Publication Date
FR659992A true FR659992A (en)	1929-07-05

Family

ID=9009997

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR659992D Expired FR659992A (en)	1928-09-05	1928-09-05	Automotive tachometer

Country Status (1)

Country	Link
FR (1)	FR659992A (en)

1928
- 1928-09-05 FR FR659992D patent/FR659992A/en not_active Expired

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