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Energy saving control circuit for a light switch and a method therefor

  • US 4,540,984 A
  • Filed: 11/05/1982
  • Issued: 09/10/1985
  • Est. Priority Date: 11/05/1982
  • Status: Expired due to Fees
First Claim
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1. An energy saving control circuit for controlling the operation of an electric light, said control circuit comprising:

  • (A) a switch; and

    (B) control means responsive to the actuation of said switch for selectively operating said light in a first timed mode in which said light is turned on for a first predetermined time period and an untimed mode in which said light is turned on for an indefinite time period, said control means;

    (1) operating said light in said first timed mode when said switch is actuated in a first manner;

    (2) operating said light in said untimed mode when said switch is actuated in a second manner, different than said first manner; and

    (3) operating said light in said untimed mode only if said switch is first actuated in said first manner so as to initiate said first timed mode and said switch is thereafter actuated in said second manner during a predetermined time window defining a portion of said first predetermined time period.

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