CA2026919C - Detecteur de changement de vitesse a concentrateur et a directeur de champ magnetique - Google Patents

Detecteur de changement de vitesse a concentrateur et a directeur de champ magnetique

Info

Publication number
CA2026919C
CA2026919C CA002026919A CA2026919A CA2026919C CA 2026919 C CA2026919 C CA 2026919C CA 002026919 A CA002026919 A CA 002026919A CA 2026919 A CA2026919 A CA 2026919A CA 2026919 C CA2026919 C CA 2026919C
Authority
CA
Canada
Prior art keywords
housing
magnetic field
concentrating
disposed
path
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.)
Expired - Fee Related
Application number
CA002026919A
Other languages
English (en)
Other versions
CA2026919A1 (fr
Inventor
Harald S. Husby
Allen K. Breed
Ted Thuen
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
Application filed by Breed Automotive Technology Inc filed Critical Breed Automotive Technology Inc
Publication of CA2026919A1 publication Critical patent/CA2026919A1/fr
Application granted granted Critical
Publication of CA2026919C publication Critical patent/CA2026919C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01P15/135—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Air Bags (AREA)
  • Sewing Machines And Sewing (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
CA002026919A 1989-10-06 1990-10-04 Detecteur de changement de vitesse a concentrateur et a directeur de champ magnetique Expired - Fee Related CA2026919C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41814789A 1989-10-06 1989-10-06
US418,147 1989-10-06

Publications (2)

Publication Number Publication Date
CA2026919A1 CA2026919A1 (fr) 1991-04-07
CA2026919C true CA2026919C (fr) 1996-09-03

Family

ID=23656916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002026919A Expired - Fee Related CA2026919C (fr) 1989-10-06 1990-10-04 Detecteur de changement de vitesse a concentrateur et a directeur de champ magnetique

Country Status (7)

Country Link
JP (1) JPH03125976A (fr)
CA (1) CA2026919C (fr)
DE (1) DE4031330A1 (fr)
FR (1) FR2652907B1 (fr)
GB (1) GB2236622B (fr)
IT (1) IT1241709B (fr)
SE (1) SE500338C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218867A1 (de) * 1991-06-11 1992-12-17 Breed Automotive Tech Geschwindigkeitswechsel-sensor mit einem zylindrischen magneten
JPH075993U (ja) * 1993-07-05 1995-01-27 日本精工株式会社 起動装置
DE29619060U1 (de) * 1996-11-02 1998-03-05 Stein, Wolfgang, 63776 Mömbris Vorrichtung zur Erhöhung der Verkehrssicherheit im fließenden Verkehr von Kraftfahrzeugen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557628A (en) * 1967-12-27 1971-01-26 Toyoda Chuo Kenkyusho Kk Accelerometer
US3737599A (en) * 1971-10-26 1973-06-05 Gulton Ind Inc Acceleration switch with magnetic permeable metal sleeve for shunting magnetic field
DE2620134C2 (de) * 1976-05-07 1986-01-02 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Lageerkennung von beweglichen Körpern
US4329549A (en) * 1980-04-29 1982-05-11 Breed Corporation Magnetically biased velocity change sensor
IT1221909B (it) * 1987-04-28 1990-07-12 Fiat Auto Spa Procedimento e dispositivo di rilevazione magnetica particolarmente per rilevare i parametri di movimento angolare di elementi rotanti
JPH0697236B2 (ja) * 1987-05-30 1994-11-30 株式会社日本自動車部品総合研究所 加速度センサ

Also Published As

Publication number Publication date
GB2236622B (en) 1994-05-11
SE9001950L (sv) 1991-04-07
IT9067747A0 (it) 1990-10-02
GB2236622A (en) 1991-04-10
FR2652907A1 (fr) 1991-04-12
FR2652907B1 (fr) 1994-06-03
CA2026919A1 (fr) 1991-04-07
GB9021741D0 (en) 1990-11-21
IT1241709B (it) 1994-01-31
JPH03125976A (ja) 1991-05-29
IT9067747A1 (it) 1992-04-02
SE500338C2 (sv) 1994-06-06
DE4031330A1 (de) 1991-04-11
SE9001950D0 (sv) 1990-05-31

Similar Documents

Publication Publication Date Title
CA2027085C (fr) Detecteur de changement de vitesse bipolaire
US4900880A (en) Gas damped crash sensor
JP2595186B2 (ja) 車両用安全拘束システムの衝撃センサ
US5237134A (en) Gas damped crash sensor
CA2027927C (fr) Accelerometre avec ressort de positionnement
CA2026922C (fr) Detecteur de changement de vitesse a dispositif de positionnement de contacts
JP2001526775A (ja) 電気機械式加速度計
US5322325A (en) Safing velocity change sensor
CA2052025C (fr) Detecteur de changement de vitesse a contact par ressort ameliore
CA2026919C (fr) Detecteur de changement de vitesse a concentrateur et a directeur de champ magnetique
US5322981A (en) Velocity change sensor with a cylindrical magnet
US5153392A (en) Velocity change sensor with magnetic field concentrator and director
CA2083442C (fr) Capteur de changement de vitesse avec amortisseur lateral
US6282942B1 (en) Crash sensor with magnetic field sensor
US5845730A (en) Electro-mechanical accelerometer to actuate a vehicular safety device
GB2236621A (en) Velocity change sensors
US3943390A (en) Deceleration detecting device
CA2077719A1 (fr) Capteur de variation de vitesse pour dispositif de securite
GB2236619A (en) Velocity change sensors
GB2236857A (en) Velocity change sensor
US20050121891A1 (en) Airbag having conductive material and system and method for adjustment of deployment characteristics of airbag having conductive material
KR19980061144A (ko) 에어백용 충격감지센서

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed