FR2375603B1 - - Google Patents
Info
- Publication number
- FR2375603B1 FR2375603B1 FR7803682A FR7803682A FR2375603B1 FR 2375603 B1 FR2375603 B1 FR 2375603B1 FR 7803682 A FR7803682 A FR 7803682A FR 7803682 A FR7803682 A FR 7803682A FR 2375603 B1 FR2375603 B1 FR 2375603B1
- 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
Links
Classifications
-
- 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
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
- G01P15/132—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electromagnetic counterbalancing means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Vibration Prevention Devices (AREA)
- Replacement Of Web Rolls (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Golf Clubs (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Amplifiers (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/702,389 US4206400A (en) | 1976-07-06 | 1976-07-06 | Accelerometer |
US05/702,382 US4131020A (en) | 1976-07-06 | 1976-07-06 | Accelerometer |
US05/702,781 US4094199A (en) | 1976-07-06 | 1976-07-06 | Accelerometer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2375603A1 FR2375603A1 (en) | 1978-07-21 |
FR2375603B1 true FR2375603B1 (en) | 1980-08-29 |
Family
ID=27418740
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720669A Granted FR2375600A1 (en) | 1976-07-06 | 1977-07-05 | SLAVE ACCELEROMETER |
FR7803682A Granted FR2375603A1 (en) | 1976-07-06 | 1978-02-09 | ELECTRONIC CIRCUIT FOR MEASURING THE DIFFERENCE IN CAPACITIES OF TWO CAPACITORS |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720669A Granted FR2375600A1 (en) | 1976-07-06 | 1977-07-05 | SLAVE ACCELEROMETER |
Country Status (9)
Country | Link |
---|---|
JP (2) | JPS6016581B2 (en) |
AU (1) | AU504091B2 (en) |
DE (3) | DE2759499C2 (en) |
FR (2) | FR2375600A1 (en) |
GB (3) | GB1555282A (en) |
IT (1) | IT1079895B (en) |
NO (2) | NO146412C (en) |
PL (1) | PL126426B1 (en) |
SE (1) | SE435552B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165483A (en) * | 1978-01-31 | 1979-08-21 | Sundstrand Data Control, Inc. | Capacitive pick-off circuit |
US4167697A (en) * | 1978-02-10 | 1979-09-11 | Sundstrand Data Control, Inc. | Capacitive pick-off circuit |
US4441366A (en) * | 1981-07-14 | 1984-04-10 | Sundstrand Data Control, Inc. | Flexure with electrical conductor |
JPS5890174A (en) * | 1981-11-25 | 1983-05-28 | Tokyo Keiki Co Ltd | Accelerometer |
JPS59196633U (en) * | 1983-06-15 | 1984-12-27 | 三菱重工業株式会社 | scaffolding equipment |
JPS60205370A (en) * | 1984-03-30 | 1985-10-16 | Tokyo Keiki Co Ltd | Accelerometer |
JPS6117959A (en) * | 1984-07-05 | 1986-01-25 | Japan Aviation Electronics Ind Ltd | Accelerometer |
JPS638565A (en) * | 1986-06-27 | 1988-01-14 | Mitsubishi Electric Corp | Semiconductor acceleration detector |
GB2222680B (en) * | 1988-03-15 | 1991-09-11 | Baroid Technology Inc | Accelerometers |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2995935A (en) * | 1948-11-01 | 1961-08-15 | North American Aviation Inc | Accelerometer |
US3209601A (en) | 1962-08-16 | 1965-10-05 | Gen Precision Inc | Quartz accelerometer |
US3213692A (en) * | 1963-01-10 | 1965-10-26 | Litton Systems Inc | Cylindrical torque balance accelerometers |
US3339419A (en) * | 1964-07-02 | 1967-09-05 | North American Aviation Inc | Accelerometer |
JPS4020359Y1 (en) * | 1964-07-11 | 1965-07-15 | ||
DE1919005A1 (en) * | 1968-04-16 | 1970-04-16 | Lucas Industries Ltd | Display circuit with capacitive probe |
JPS4415398Y1 (en) * | 1968-11-20 | 1969-07-03 | ||
US3618401A (en) | 1969-08-25 | 1971-11-09 | Litton Systems Inc | Accelerometer |
US3641414A (en) | 1970-10-16 | 1972-02-08 | United Control Corp | Transducer system with floating input circuit and constant current output electronics |
DE2164321B2 (en) * | 1971-12-23 | 1974-01-03 | Sundstrand Corp., Rockford, Ill. (V.St.A.) | Servo accelerometer |
US3797321A (en) | 1972-05-08 | 1974-03-19 | Systron Donner Corp | Pivot mechanism with electronic dither circuit |
US3897690A (en) * | 1973-01-15 | 1975-08-05 | Systron Donner Corp | Miniature inertial grade high shock and vibration capability accelerometer and method with axis alignment and stability features |
US3948107A (en) | 1973-07-31 | 1976-04-06 | Systron Donner Corporation | Velocity transducer |
-
1977
- 1977-02-21 AU AU22487/77A patent/AU504091B2/en not_active Ceased
- 1977-05-09 GB GB7676/78A patent/GB1555282A/en not_active Expired
- 1977-05-09 GB GB19375/77A patent/GB1555281A/en not_active Expired
- 1977-05-09 GB GB348/79A patent/GB1555283A/en not_active Expired
- 1977-05-20 JP JP52057814A patent/JPS6016581B2/en not_active Expired
- 1977-05-23 DE DE2759499A patent/DE2759499C2/en not_active Expired
- 1977-05-23 DE DE2723244A patent/DE2723244C3/en not_active Expired
- 1977-05-23 DE DE2759500A patent/DE2759500C2/en not_active Expired
- 1977-06-16 SE SE7706979A patent/SE435552B/en not_active IP Right Cessation
- 1977-06-20 NO NO772177A patent/NO146412C/en unknown
- 1977-07-05 FR FR7720669A patent/FR2375600A1/en active Granted
- 1977-07-05 IT IT50126/77A patent/IT1079895B/en active
- 1977-07-06 PL PL1977199415A patent/PL126426B1/en not_active IP Right Cessation
-
1978
- 1978-02-09 FR FR7803682A patent/FR2375603A1/en active Granted
-
1981
- 1981-12-18 NO NO814342A patent/NO814342L/en unknown
-
1987
- 1987-06-09 JP JP1987088131U patent/JPS6372561U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
PL199415A1 (en) | 1978-02-13 |
NO146412B (en) | 1982-06-14 |
DE2723244C3 (en) | 1981-08-13 |
IT1079895B (en) | 1985-05-13 |
PL126426B1 (en) | 1983-08-31 |
SE435552B (en) | 1984-10-01 |
AU2248777A (en) | 1978-08-31 |
GB1555281A (en) | 1979-11-07 |
NO772177L (en) | 1978-01-09 |
DE2723244A1 (en) | 1978-01-12 |
SE7706979L (en) | 1978-01-07 |
DE2723244B2 (en) | 1980-12-11 |
NO814342L (en) | 1978-01-09 |
JPS6016581B2 (en) | 1985-04-26 |
FR2375600B1 (en) | 1980-04-25 |
AU504091B2 (en) | 1979-10-04 |
JPS536082A (en) | 1978-01-20 |
FR2375603A1 (en) | 1978-07-21 |
DE2759500C2 (en) | 1986-01-16 |
FR2375600A1 (en) | 1978-07-21 |
JPS6372561U (en) | 1988-05-14 |
GB1555283A (en) | 1979-11-07 |
GB1555282A (en) | 1979-11-07 |
NO146412C (en) | 1982-09-22 |
DE2759499C2 (en) | 1984-10-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |