Title:
POWER SUPPLY MONITORING DEVICE, ELECTRONIC APPARATUS, AND POWER SUPPLY MONITORING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/038119
Kind Code:
A1
Abstract:
A power supply monitoring device, comprising a monitoring circuit that includes a first charge comparing unit configured to generate a first comparison result based on a first pulsating signal, a second charge comparing unit configured to generate second comparison result based on a second pulsating signal, and a power interruption detection unit configured to output a detection signal based on whether the first and second comparison results indicate a supply of power has been interrupted.
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Inventors:
MAEKAWA TOMOAKI (JP)
Application Number:
PCT/JP2013/004181
Publication Date:
March 13, 2014
Filing Date:
July 05, 2013
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G01R19/165; G06F1/30; H02M7/02
Foreign References:
| EP0216358A2 | 1987-04-01 | |||
| JP2004135392A | 2004-04-30 | |||
| JPH11202005A | 1999-07-30 | |||
| US4980791A | 1990-12-25 | |||
| JP2010261862A | 2010-11-18 |
Attorney, Agent or Firm:
MARUSHIMA, Toshikazu (Keio Shinjuku 3-chome 2nd Bldg.5F, 3-3-2 Shinjuku, Shinjuku-k, Tokyo 22, JP)
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