Patent ID: 6058290
Filing Date: 2000-05-02
Classification: G08B,H04W

Abstract:
A selective call receiver comprising:a memory for storing data pieces;first means for arbitrarily designating, in response to a user's requirement, a data piece from among the data pieces in the memory as an object to be exposed to pseudo erasure;second means for adding a predetermined read-inhibition code word to the data piece designated by the first means;third means for inhibiting the designated data piece with the predetermined read-inhibition code word from being read out and displayed from the memory;fourth means for allowing a data piece without the predetermined read-inhibition code word to be read out from the memory;fifth means for deleting the predetermined read-inhibition code word from the designated data piece in response to a user's requirement for cancellation of pseudo erasure; andsixth means for selectively erasing only the designated data piece with the predetermined read-inhibition code word in the memory in response to a user's requirement for actual erasure.