GB9021740D0 - Improvements in and relating to velocity change sensors - Google Patents

Improvements in and relating to velocity change sensors

Info

Publication number
GB9021740D0
GB9021740D0 GB909021740A GB9021740A GB9021740D0 GB 9021740 D0 GB9021740 D0 GB 9021740D0 GB 909021740 A GB909021740 A GB 909021740A GB 9021740 A GB9021740 A GB 9021740A GB 9021740 D0 GB9021740 D0 GB 9021740D0
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
Application number
GB909021740A
Other versions
GB2236621B (en
GB2236621A (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.)
Breed Automotive Technology Inc
Original Assignee
Breed Automotive Technology 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.)
Filing date
Publication date
Priority claimed from US07/423,871 external-priority patent/US5005861A/en
Application filed by Breed Automotive Technology Inc filed Critical Breed Automotive Technology Inc
Publication of GB9021740D0 publication Critical patent/GB9021740D0/en
Publication of GB2236621A publication Critical patent/GB2236621A/en
Application granted granted Critical
Publication of GB2236621B publication Critical patent/GB2236621B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01H35/141—Details
    • H01H35/142—Damping means to avoid unwanted response

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Air Bags (AREA)
GB9021740A 1989-10-06 1990-10-05 Improvements in and relating to velocity change sensors Expired - Fee Related GB2236621B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41822889A 1989-10-06 1989-10-06
US07/423,871 US5005861A (en) 1989-10-19 1989-10-19 Velocity change sensor with double pole sensor

Publications (3)

Publication Number Publication Date
GB9021740D0 true GB9021740D0 (en) 1990-11-21
GB2236621A GB2236621A (en) 1991-04-10
GB2236621B GB2236621B (en) 1994-07-27

Family

ID=27024035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021740A Expired - Fee Related GB2236621B (en) 1989-10-06 1990-10-05 Improvements in and relating to velocity change sensors

Country Status (3)

Country Link
DE (1) DE4031327A1 (en)
FR (1) FR2653590B1 (en)
GB (1) GB2236621B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322325A (en) * 1989-10-19 1994-06-21 Breed Automotive Technology, Inc. Safing velocity change sensor
DE4218867A1 (en) * 1991-06-11 1992-12-17 Breed Automotive Tech SPEED CHANGE SENSOR WITH A CYLINDRICAL MAGNET
US5178410A (en) * 1991-06-14 1993-01-12 Breed Automotive Technology, Inc. Velocity change sensor with lateral shock absorber
FR2681695B1 (en) * 1991-09-24 1997-01-10 Breed Automotive Tech SAFETY SPEED VARIATION DETECTOR.
DE4335250A1 (en) * 1993-10-15 1995-04-20 Trw Repa Gmbh Electromechanical acceleration sensor
JP2836777B2 (en) 1993-10-15 1998-12-14 ティーアールダブリュ レパ ゲゼルシャフト ミットベシュレンクテル ハフツング Inertial sensor for activating vehicle occupant restraint

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784773A (en) * 1970-10-15 1974-01-08 I Jubenville Trailer anti-fishtail acceleration responsive switch assembly with actuator magnetic holding structure
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
FR2283444A1 (en) * 1974-07-31 1976-03-26 Sagem Fluid filled acceleration detector - has mass held below threshold value in housing with detector at end
US4039790A (en) * 1976-03-29 1977-08-02 Frank Treckman Inertia switch having reciprocating mass
US4097699A (en) * 1976-09-07 1978-06-27 Eaton Corporation Viscous damped crash sensor unit with inertia switch
US4284863A (en) * 1979-05-09 1981-08-18 Breed Corporation Velocity change sensor
AT376795B (en) * 1982-06-08 1984-12-27 Elkon Elektron Geraeten ELECTRONIC SMALL DEVICE, ESPECIALLY ELECTRONIC FEVER THERMOMETER
DE8310623U1 (en) * 1983-04-12 1983-09-08 Helba Elektronik-Baugruppen Gmbh & Co Kg, 5628 Heiligenhaus Acceleration limit switch
DE3313033C1 (en) * 1983-04-12 1984-08-02 Helba Elektronik-Baugruppen Gmbh & Co Kg, 5628 Heiligenhaus Acceleration limit-value switch
US4816627A (en) * 1987-12-24 1989-03-28 Ford Motor Company Fluid damped acceleration sensor
US4851705A (en) * 1988-09-23 1989-07-25 Automotive Systems Laboratory, Inc. Firing circuit for a vehicle passenger restraint system

Also Published As

Publication number Publication date
GB2236621B (en) 1994-07-27
FR2653590B1 (en) 1994-03-18
GB2236621A (en) 1991-04-10
DE4031327A1 (en) 1991-04-11
FR2653590A1 (en) 1991-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971005