×

Wireless mouse

  • US 5,854,621 A
  • Filed: 04/07/1997
  • Issued: 12/29/1998
  • Est. Priority Date: 03/19/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A communication system for receiving signals representing displacement action of a peripheral device comprising:

  • a first peripheral device, havinga first non-volatile memory device for storing a first identifier;

    a first signal generator for generating a first displacement signal based upon a displacement action of said first peripheral device and for generating a first identification signal; and

    a first transmitter, coupled to said first signal generator, for transmitting a first electromagnetic data signal, said first electromagnetic data signal having said first identification signal and said first displacement signal; and

    a receiving unit having;

    a second non-volatile memory device;

    a signal receiver, for receiving said electromagnetic data signal; and

    a processor, disposed to receive said first electromagnetic data signal from said signal receiver, for locking said first peripheral device with said receiving unit when said receiving unit is in a lock-on mode to identify said first identifier as a first of one or more authorized peripherals, and storing a signal representing said first identifier in said second non-volatile memory device, and for processing electromagnetic data signals transmitted only from said authorized peripherals.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×