FR2375603B1 - - Google Patents

Info

Publication number: FR2375603B1
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

FR7803682A

Other languages

French (fr)

Other versions

FR2375603A1 (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.)

Sundstrand Data Control Inc

Original Assignee

Sundstrand Data Control Inc

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.)

1976-07-06

Filing date

1978-02-09

Publication date

1980-08-29

1976-07-06 Priority claimed from US05/702,389 external-priority patent/US4206400A/en

1976-07-06 Priority claimed from US05/702,382 external-priority patent/US4131020A/en

1976-07-06 Priority claimed from US05/702,781 external-priority patent/US4094199A/en

1978-02-09 Application filed by Sundstrand Data Control Inc filed Critical Sundstrand Data Control Inc

1978-07-21 Publication of FR2375603A1 publication Critical patent/FR2375603A1/en

1980-08-29 Application granted granted Critical

1980-08-29 Publication of FR2375603B1 publication Critical patent/FR2375603B1/fr

Status 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
- 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)

FR7803682A 1976-07-06 1978-02-09 ELECTRONIC CIRCUIT FOR MEASURING THE DIFFERENCE IN CAPACITIES OF TWO CAPACITORS Granted FR2375603A1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date	Code	Title	Description
1990-05-25	ST	Notification of lapse

Publication	Publication Date	Title
FR2375600B1 (en)	1980-04-25
JPS5343904U (en)	1978-04-14
FR2352430B1 (en)	1979-10-12
JPS5329703U (en)	1978-03-14
DK140906C (en)	1980-05-12
JPS5736782B2 (en)	1982-08-05
JPS5320786U (en)	1978-02-22
JPS5361125U (en)	1978-05-24
CS177786B1 (en)	1977-08-31
JPS532545U (en)	1978-01-11
JPS5727222Y2 (en)	1982-06-14
JPS5414001B2 (en)	1979-06-04
JPS551777B2 (en)	1980-01-17
CS177797B1 (en)	1977-08-31
JPS52165447U (en)	1977-12-15
JPS52105568U (en)	1977-08-11
CS188447B1 (en)	1979-03-30
CS177474B1 (en)	1977-07-29
JPS5330677U (en)	1978-03-16
JPS52103473U (en)	1977-08-05
CH600736A5 (en)	1978-06-30
CH601059A5 (en)	1978-06-30
DD125774A1 (en)	1977-05-18
CH597975A5 (en)	1978-04-14
DD125809A1 (en)	1977-05-18