×

Single button contrast control

  • US 6,046,684 A
  • Filed: 05/23/1997
  • Issued: 04/04/2000
  • Est. Priority Date: 05/23/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An electronic device, comprising:

  • a user activated switch for selectively controlling at least one function of the electronic device, the function having a plurality of function levels, the at least one function having a first direction state and a second direction state; and

    a control circuit operative to receive a signal from the switch, the control circuit controlling the plurality of function levels in accordance with the signal from the switch, and wherein the control circuit shifts from the first direction state to the second direction state following inactivity of the switch for a predetermined period of time.

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