FR2646713B1 - - Google Patents
Info
- Publication number
- FR2646713B1 FR2646713B1 FR8905963A FR8905963A FR2646713B1 FR 2646713 B1 FR2646713 B1 FR 2646713B1 FR 8905963 A FR8905963 A FR 8905963A FR 8905963 A FR8905963 A FR 8905963A FR 2646713 B1 FR2646713 B1 FR 2646713B1
- 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 - Fee Related
Links
Classifications
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- 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
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- 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
- G01P1/12—Recording devices
- G01P1/122—Speed recorders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8905963A FR2646713A1 (fr) | 1989-05-05 | 1989-05-05 | Enregistreur-temoin de vitesse a double effet inertiel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8905963A FR2646713A1 (fr) | 1989-05-05 | 1989-05-05 | Enregistreur-temoin de vitesse a double effet inertiel |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2646713A1 FR2646713A1 (fr) | 1990-11-09 |
FR2646713B1 true FR2646713B1 (enrdf_load_stackoverflow) | 1994-04-22 |
Family
ID=9381439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8905963A Granted FR2646713A1 (fr) | 1989-05-05 | 1989-05-05 | Enregistreur-temoin de vitesse a double effet inertiel |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2646713A1 (enrdf_load_stackoverflow) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3693461A (en) * | 1970-05-06 | 1972-09-26 | Gen Motors Corp | Multidirectional sensor |
FR2221055A5 (en) * | 1973-03-06 | 1974-10-04 | Jules Ets Richard | Road vehicle black box recorder - allows abnormal function of brakes etc. and other controls to be traced after accident |
US4031848A (en) * | 1976-03-17 | 1977-06-28 | Wayne D. Steimle | Inertial performance indicator |
FR2394091A1 (fr) * | 1977-06-08 | 1979-01-05 | Gignoux Hubert | Dispositif de detection et de memorisation de mouvements anormaux |
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1989
- 1989-05-05 FR FR8905963A patent/FR2646713A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2646713A1 (fr) | 1990-11-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |