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
IT1257226B (it) * 1991-06-11 1996-01-10 Breed Automotive Tech Sensore del cambiamento di velocita' con un magnete cilindrico.
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
GB2236622A (en) 1991-04-10
GB9021741D0 (en) 1990-11-21
FR2652907B1 (fr) 1994-06-03
SE500338C2 (sv) 1994-06-06
IT1241709B (it) 1994-01-31
DE4031330A1 (de) 1991-04-11
CA2026919A1 (fr) 1991-04-07
GB2236622B (en) 1994-05-11
SE9001950D0 (sv) 1990-05-31
IT9067747A0 (it) 1990-10-02
SE9001950L (sv) 1991-04-07
IT9067747A1 (it) 1992-04-02
FR2652907A1 (fr) 1991-04-12
JPH03125976A (ja) 1991-05-29

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Legal Events

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