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Portable radio terminal

  • US 6,064,877 A
  • Filed: 06/08/1998
  • Issued: 05/16/2000
  • Est. Priority Date: 06/18/1997
  • Status: Expired due to Term
First Claim
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1. A portable radio terminal comprising:

  • means for storing only a predetermined number of received messages,means for deleting the oldest-message among messages having no protection attribute when the number of messages exceeds the predetermined number,means for changing the protection attribute of the message,means for detecting a protection attribute having been provided to a message having no protection attribute while the number of messages having a protection attribute is equal to the maximum protection number,means which, upon detection of execution of a protection-attribute assignment operation with regard to a message having no protection attribute while the number of messages having a protection attribute is equal to the maximum protection number, sequentially displays only messages having a protection attribute in response to actuation of a selection switch, andmeans which, upon detection of a determination switch being pressed while a message having a protection attribute is displayed as a message whose protection attribute is canceled, cancels the protection attribute of the message thus displayed.

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