Title:
動きセンサ、方法、および動きセンサからの検証済み出力信号を有する動きセンサを設けるコンピュータ読み取り可能記憶媒体
Document Type and Number:
Japanese Patent JP5894590
Kind Code:
B2
Abstract:
A motion sensor for detecting a motion of an object comprises: a magnetic field sensing element for generating a magnetic field signal having cycles; a state processor coupled to the magnetic field sensor for generating a PPEAK or NPEAK signal indicative of positive or negative peaks of the cycles of the magnetic field signal; and a vibration processor comprising a peak update jump processor for comparing a first value of the PPEAK or NPEAK signal for a first cycle with a second respective value of the PPEAK or NPEAK signal for a second later cycle, and for changing a state of a PEAK_CLAMP_FLAG or a PEAK_IN FLAG signal, indicative of an increase in magnitude of the PPEAK or NPEAK signal by more than a first determined amount, and wherein the change of state of the PEAK_IN flag signal is indicative of a decrease of magnitude of the PPEAK or NPEAK signal by more than a second determined amount, wherein particular states of the PEAK_CLAMP_FLAG and the PEAK_IN_FLAG signal are representative of a magnitude of the magnetic field signal being too large or too small, respectively.
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Inventors:
Foret, Andrea
Fernandez, Devon
Burdett, Eric
Fernandez, Devon
Burdett, Eric
Application Number:
JP2013513172A
Publication Date:
March 30, 2016
Filing Date:
May 04, 2011
Export Citation:
Assignee:
Allegro Microsystems LRC
International Classes:
G01D5/244
Domestic Patent References:
| JP2008533498A | ||||
| JP61266964A |
Foreign References:
| US5917320 | ||||
| US6091239 | ||||
| US6411080 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Hideo Tanaka
Ryota Suematsu
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Hideo Tanaka
Ryota Suematsu