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Electronic device including improved connection device

  • US 5,202,585 A
  • Filed: 06/22/1992
  • Issued: 04/13/1993
  • Est. Priority Date: 03/09/1990
  • Status: Expired due to Term
First Claim
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1. An electronic device having an operating section which has a plurality of input keys and which is detachably connected to a body of said electronic device in such a manner that said operating section is electrically connected to said body, characterized in thatsaid body comprises:

  • connection detecting means for detecting the connection of said operating section to said body and for outputting a connection detection signal when such connection has been detected; and

    control means responsive to said connection detection signal for making the electrical connection between said body and said operating section effective a predetermined period of time after said connection detection means provides said connection detection signal, for preventing the electrical connection between said operating section and said body from being accidently operated while said operating section is being connected to said body.

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