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Power supply device, power supply method, portable electronics apparatus, and electronic timepiece

  • US 6,324,084 B1
  • Filed: 08/01/2000
  • Issued: 11/27/2001
  • Est. Priority Date: 12/02/1998
  • Status: Expired due to Term
First Claim
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1. A power supplying device for rectifying an alternating current voltage to supply power to a first power source line and a second power source line, comprising a uni-direction unit comprising two terminals, a comparator for comparing terminal voltages at the two terminals, and a switch means that is controlled for an on-and-off operation in response to a comparison result provided by the comparator, the uni-direction unit allowing a current to flow from one terminal to the other terminal through the switch means, the power supplying device comprising:

  • a storage device for storing power, arranged between the first power source line and the second power source line, wherein the uni-direction unit starts an operation for turning off the switch means with a duration in advance, corresponding to a response delay time.

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