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Receiver for the reception of wirelessly transmitted information

  • US 5,559,499 A
  • Filed: 08/01/1994
  • Issued: 09/24/1996
  • Est. Priority Date: 01/31/1992
  • Status: Expired due to Term
First Claim
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1. A receiver for receiving information transmitted without the use of wires by infrared signals, which information is transmitted by a battery-operated transmitter in form of at least one information word including a plurality of bits, the receiver comprising an evaluating unit which evaluates received pulses and recognizes from the received pulse a diminishing of a battery capacity in a sending device;

  • a display unit controlled for sending a warning signal when said evaluating unit recognizes a diminishing of the battery capacity of the sending device, said evaluating unit being designed so that it determines during a receiving process at least a number of completely received information words, said display unit being controlled for sending the warning signal when the number of the completely received information words is smaller than a predetermined reference value thus indicating the diminishing of the battery capacity.

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