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Regulator arrangement useful in an infrared remote control transmitter

  • US 4,264,896 A
  • Filed: 07/20/1979
  • Issued: 04/28/1981
  • Est. Priority Date: 07/20/1979
  • Status: Expired due to Term
First Claim
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1. In a remote control transmitter for controlling at least one function of a remotely located system, apparatus comprising:

  • transducer means for emitting infrared radiation in response to a drive signal;

    input means for generating an input signal including a series of pulses having a time-related characteristic controlled to represent said function;

    driver means for generating said drive signal in response to said input signal; and

    regulator means responsive to the amplitude and width of said pulses for maintaining the magnitude of said drive signal below a magnitude corresponding to a safe level in infrared radiation.

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