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Title:
WINDOW OPENING/CLOSING DETECTING DEVICE
Document Type and Number:
Japanese Patent JP2010129008
Kind Code:
A
Abstract:

To easily and surely make initial registration of an accurate magnetic force level corresponding to an actual installed situation in the installation field.

Initial registration operation comprises operating a crescent lock opening/closing lever into an unlocked position to open a cover member in the kept-away state of a magnet and to operate a registration switch 60, and operating the opening/closing lever into a locked position in the closed state of the cover member within one minute to bring the magnet closer. A registration processing section 74 is operated by the operation of the registration switch 60 to make initial registration of the magnetic force level Vs detected by a locking detecting Hall sensor 48, into a nonvolatile memory 68 and to set locking and unlocking determination thresholds TH based on the registered magnetic force level Vs. A power source stabilizing timing setting section 74 discriminates the stop timing of a circuit operation for fluctuating power source voltage supplied from a battery 44, and acquires the magnetic force level detected by the locking detecting Hall sensor 48.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
SHIMA YASUSHI
NOGUCHI KOHEI
Application Number:
JP2008305788A
Publication Date:
June 10, 2010
Filing Date:
November 30, 2008
Export Citation:
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Assignee:
HOCHIKI CO
CIRCUIT DESIGN KK
International Classes:
G08B13/08; E05B41/00; E05B45/06; E05C3/04; E05F7/00
Domestic Patent References:
JP2008288030A2008-11-27
JP2006190063A2006-07-20
JPH05119077A1993-05-14
JP2005005761A2005-01-06
JPH01290099A1989-11-21
JP2003329405A2003-11-19
JPH0540134A1993-02-19
JP2008288030A2008-11-27
JP2006190063A2006-07-20
JPH05119077A1993-05-14
JP2005005761A2005-01-06
JPH01290099A1989-11-21
JP2003329405A2003-11-19
JPH0540134A1993-02-19
Attorney, Agent or Firm:
竹内 進