CA2562989C - Circuit de commutation insensible au pole magnetique - Google Patents

Circuit de commutation insensible au pole magnetique Download PDF

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Publication number
CA2562989C
CA2562989C CA002562989A CA2562989A CA2562989C CA 2562989 C CA2562989 C CA 2562989C CA 002562989 A CA002562989 A CA 002562989A CA 2562989 A CA2562989 A CA 2562989A CA 2562989 C CA2562989 C CA 2562989C
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CA
Canada
Prior art keywords
signal
magnetic field
output signal
level
voltage
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
CA002562989A
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English (en)
Other versions
CA2562989A1 (fr
Inventor
Alberto Bilotti
Glenn A. Forrest
Ravi Vig
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.)
Individual
Original Assignee
Allegro Microsystems LLC
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 US09/338,668 external-priority patent/US6356741B1/en
Application filed by Allegro Microsystems LLC filed Critical Allegro Microsystems LLC
Publication of CA2562989A1 publication Critical patent/CA2562989A1/fr
Application granted granted Critical
Publication of CA2562989C publication Critical patent/CA2562989C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
  • Hall/Mr Elements (AREA)

Abstract

Un commutateur qui est insensible au pôle magnétique est décrit. Le commutateur comprend un capteur à effet Hall couplé à un circuit de seuil qui fournit un signal de sortie indicatif de la proximité d'un aimant, et donc un champ magnétique, au capteur à effet Hall peu importe l'orientation de l'aimant par rapport au capteur à effet Hall.
CA002562989A 1998-09-18 1999-09-03 Circuit de commutation insensible au pole magnetique Expired - Fee Related CA2562989C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US15693998A 1998-09-18 1998-09-18
US09/156,939 1998-09-18
US09/338,668 US6356741B1 (en) 1998-09-18 1999-06-22 Magnetic pole insensitive switch circuit
US09/338,668 1999-06-22
CA 2343409 CA2343409C (fr) 1998-09-18 1999-09-03 Circuit de commutation insensible au pole magnetique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2343409 Division CA2343409C (fr) 1998-09-18 1999-09-03 Circuit de commutation insensible au pole magnetique

Publications (2)

Publication Number Publication Date
CA2562989A1 CA2562989A1 (fr) 2000-03-30
CA2562989C true CA2562989C (fr) 2007-08-21

Family

ID=37545717

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002562989A Expired - Fee Related CA2562989C (fr) 1998-09-18 1999-09-03 Circuit de commutation insensible au pole magnetique
CA002562985A Expired - Fee Related CA2562985C (fr) 1998-09-18 1999-09-03 Circuit de commutation insensible au pole magnetique

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002562985A Expired - Fee Related CA2562985C (fr) 1998-09-18 1999-09-03 Circuit de commutation insensible au pole magnetique

Country Status (1)

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CA (2) CA2562989C (fr)

Also Published As

Publication number Publication date
CA2562985C (fr) 2007-11-06
CA2562985A1 (fr) 2000-03-30
CA2562989A1 (fr) 2000-03-30

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