×

Minimal function remote control without digit keys and with a power toggle program and with a channel rotation program

  • US 5,481,251 A
  • Filed: 11/29/1993
  • Issued: 01/02/1996
  • Est. Priority Date: 11/29/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A remote control comprising:

  • a microprocessor including a CPU and memory means;

    a keypad including several keys coupled to said microprocessor for operating said remote control, one of said keys being a "POWER" key;

    lamp driver circuitry coupled to said microprocessor;

    means, including said microprocessor, for generating infrared (IR) signals coupled to said IR lamp driver circuitry;

    code data for executing command functions for operating a home entertainment device stored in said memory means;

    a power toggle program stored in said memory means for effecting the sending of one of an IR code for "STANDBY" and an IR code for a number digit each time said power key is pressed; and

    ,said power toggle program being operable to check, each time said "POWER" key is pressed, which one of said IR code for "STANDBY" and said IR code for said number digit was last sent by said remote control and then causes said remote control to send the opposite IR code without the need to press a digit key to turn on said home entertainment device.

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