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Camera with battery checkup function

  • US 5,732,295 A
  • Filed: 04/26/1996
  • Issued: 03/24/1998
  • Est. Priority Date: 04/27/1995
  • Status: Expired due to Fees
First Claim
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1. A camera having battery checking means comprising:

  • timer means for generating an output signal at predetermined time intervals;

    time storing means for storing a calculated time value;

    a switch for generating an activating signal for activating the camera;

    control means for activating the camera in response to the activating signal generated by the switch, for updating the content of the time storing means in accordance with the output of the timer means at first time intervals when the camera is activated, for placing the camera in a standby mode when the activating signal has not been detected for a predetermined period of time, and for updating the content of the time storing means in accordance with the output of the timer means at second time intervals, longer than the first time intervals, when the camera is in a standby mode;

    voltage detecting means for detecting the voltage of a battery at third time intervals when the camera is activated and for detecting the voltage of the battery at fourth time intervals when the camera is in the standby mode; and

    indicator means for indicating the charge level of the battery.

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