GB9021738D0 - Improvements in and relating to velocity change sensors - Google Patents
Improvements in and relating to velocity change sensorsInfo
- Publication number
- GB9021738D0 GB9021738D0 GB909021738A GB9021738A GB9021738D0 GB 9021738 D0 GB9021738 D0 GB 9021738D0 GB 909021738 A GB909021738 A GB 909021738A GB 9021738 A GB9021738 A GB 9021738A GB 9021738 D0 GB9021738 D0 GB 9021738D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- velocity change
- change sensors
- sensors
- velocity
- Prior art date
- 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.)
- Granted
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
- G01P15/135—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 making use of contacts which are actuated by a movable inertial mass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
- H01H35/141—Details
- H01H35/142—Damping means to avoid unwanted response
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Bags (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Measuring Fluid Pressure (AREA)
- Electrophonic Musical Instruments (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41822889A | 1989-10-06 | 1989-10-06 | |
US07/447,108 US5031931A (en) | 1989-12-06 | 1989-12-06 | Velocity change sensor with spring bias |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9021738D0 true GB9021738D0 (en) | 1990-11-21 |
GB2236619A GB2236619A (en) | 1991-04-10 |
GB2236619B GB2236619B (en) | 1994-08-10 |
Family
ID=27024036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9021738A Expired - Fee Related GB2236619B (en) | 1989-10-06 | 1990-10-05 | Improvements in and relating to velocity change sensors |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE4031332C2 (en) |
FR (1) | FR2652908B1 (en) |
GB (1) | GB2236619B (en) |
IT (1) | IT1241708B (en) |
SE (1) | SE513091C2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5322325A (en) * | 1989-10-19 | 1994-06-21 | Breed Automotive Technology, Inc. | Safing velocity change sensor |
US5237134A (en) * | 1989-12-06 | 1993-08-17 | Breed Automotive Technology, Inc. | Gas damped crash sensor |
FR2681695B1 (en) * | 1991-09-24 | 1997-01-10 | Breed Automotive Tech | SAFETY SPEED VARIATION DETECTOR. |
DE4140691A1 (en) * | 1991-12-10 | 1993-06-17 | Trw Repa Gmbh | VEHICLE-SENSITIVE MECHANICAL CONTACTOR |
RU2522891C2 (en) * | 2012-10-18 | 2014-07-20 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | Magnetic threshold device |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB779194A (en) * | 1954-03-01 | 1957-07-17 | Tiltman Langley Ltd | Improvements relating to impact detectors |
US3141936A (en) * | 1962-10-17 | 1964-07-21 | John M Boyle | Conductive springs and ball acceleration switch |
US3655929A (en) * | 1970-10-23 | 1972-04-11 | Ford Motor Co | Device for detecting and signalling a change of more than a prescribed amount in the rate of movement of an object |
US3688063A (en) * | 1971-02-22 | 1972-08-29 | Technar Inc | Crash sensing switch |
US3812726A (en) * | 1972-09-28 | 1974-05-28 | Technar Inc | Velocity responsive apparatus |
US3889130A (en) * | 1973-06-04 | 1975-06-10 | Breed Corp | Mass in liquid vehicular crash sensor |
US4020302A (en) * | 1975-02-21 | 1977-04-26 | Nissan Motor Co., Ltd. | Sensor having spring biasing structure to retain conductive bridging inertial mass in a non-operative position |
JPS51124479A (en) * | 1975-04-23 | 1976-10-29 | Nissan Motor Co Ltd | Acceleration detector |
US4097699A (en) * | 1976-09-07 | 1978-06-27 | Eaton Corporation | Viscous damped crash sensor unit with inertia switch |
DE2918463A1 (en) * | 1979-05-08 | 1980-11-13 | Manfred Kelle | Electrical inertial switch for vehicles - has heavy displaceable inner mass made of electrically conducting material held in place by spring pressure |
US4284863A (en) * | 1979-05-09 | 1981-08-18 | Breed Corporation | Velocity change sensor |
US4266107A (en) * | 1979-08-20 | 1981-05-05 | The United States Of America As Represented By The United States Department Of Energy | Acceleration switch |
US4329549A (en) * | 1980-04-29 | 1982-05-11 | Breed Corporation | Magnetically biased velocity change sensor |
GB2086484B (en) * | 1980-10-30 | 1984-04-26 | Manwaring Alan | Motor vehicle overrunning fuel cut-off control |
DE3713698C1 (en) * | 1987-04-24 | 1988-07-14 | Hopt & Schuler Ddm | Acceleration switch |
US4816627A (en) * | 1987-12-24 | 1989-03-28 | Ford Motor Company | Fluid damped acceleration sensor |
US4857680A (en) * | 1988-12-22 | 1989-08-15 | Ford Motor Company | Acceleration sensor |
WO1990010301A1 (en) * | 1989-02-21 | 1990-09-07 | Automotive Technologies International, Inc. | Short-travel mechanical crash sensor |
DE4022388A1 (en) * | 1990-07-13 | 1992-01-23 | Hopt & Schuler Ddm | ACCELERATION SWITCH WITH SNAP SPRING |
-
1990
- 1990-07-20 SE SE9002471A patent/SE513091C2/en not_active IP Right Cessation
- 1990-10-02 IT IT67746A patent/IT1241708B/en active IP Right Grant
- 1990-10-03 FR FR9012200A patent/FR2652908B1/en not_active Expired - Fee Related
- 1990-10-04 DE DE4031332A patent/DE4031332C2/en not_active Expired - Fee Related
- 1990-10-05 GB GB9021738A patent/GB2236619B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2236619B (en) | 1994-08-10 |
DE4031332C2 (en) | 2001-02-08 |
SE9002471L (en) | 1991-04-07 |
FR2652908B1 (en) | 1995-02-24 |
SE9002471D0 (en) | 1990-07-20 |
IT9067746A0 (en) | 1990-10-02 |
FR2652908A1 (en) | 1991-04-12 |
IT1241708B (en) | 1994-01-31 |
IT9067746A1 (en) | 1992-04-02 |
GB2236619A (en) | 1991-04-10 |
DE4031332A1 (en) | 1991-04-18 |
SE513091C2 (en) | 2000-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20011005 |