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Method for increasing the endurance of an information receiver, particularly for radio paging, and corresponding receiver

  • US 5,697,097 A
  • Filed: 03/01/1995
  • Issued: 12/09/1997
  • Est. Priority Date: 09/09/1993
  • Status: Expired due to Fees
First Claim
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1. A method for increasing the endurance of a free-standing information receiver, particularly a portable radio-paging receiver, the said information being transmitted on a carrier signal within a plurality of successive time frames (T1, T2) each partitioned into a predetermined number of time intervals (I0 -I9) each of which is allotted to a predetermined group of receivers, a method in which the receivers of each group being furthermore distributed into a predetermined number of identifiable sub-groups of receivers (SG0 -SG9), all the receivers of the group (G3) are activated (30) at the start of the corresponding allotted time interval (I3) , all the receivers of the group are made to receive service information (IS) identifying which are the sub-groups in which the receivers are likely to receive a message, this service information is analysed (31) within each receiver and, before the end of the said time interval (I3), a receiver not belonging to one of the designated sub-groups is de-activated (33).

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