{
  "$type": "site.standard.document",
  "description": "An external power source control system for a portable telephone includes: a regulator 5 connected at an input thereof to a battery power source 1 or an external power source 2 and outputting a power supply voltage; a one-shot pulse generating circuit 6 generating a one-shot pulse when the external…",
  "path": "/patents/1103134",
  "publishedAt": "2002-07-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J7/663",
    "MITSUBISHI ELECTRIC CORP [JP]"
  ],
  "textContent": "An external power source control system for a portable telephone includes: a regulator 5 connected at an input thereof to a battery power source 1 or an external power source 2 and outputting a power supply voltage; a one-shot pulse generating circuit 6 generating a one-shot pulse when the external power source 2 is connected to the portable telephone; a reset circuit 7 outputting a reset signal when the power supply voltage reaches a predetermined threshold level; and a controller maintaining an output of the power supply voltage from said regulator 5, based on the one-shot pulse, and canceling the maintenance of the output of the power supply voltage from said regulator 5, based on a predetermined instruction indicating that the power is not necessary.",
  "title": "EXTERNAL POWER SUPPLY CONTROL SYSTEM FOR CELLULAR PHONE"
}