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Image projection system and a method of controlling a projected pointer

  • US 6,186,630 B1
  • Filed: 05/27/1998
  • Issued: 02/13/2001
  • Est. Priority Date: 04/07/1995
  • Status: Expired due to Term
First Claim
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1. A remote controller for transmitting a remote control signal to a projecting means which projects an image including a pointer, said remote controller comprising:

  • a pointing device for outputting a first operation signal to the projecting means to control a position of said pointer;

    a transmitter for wirelessly transmitting said operation signal;

    an operation key for outputting a second signal to control said projecting means wherein said second operation signal is wirelessly transmitted to said projecting means;

    an operating portion including a lighting key and said pointing device and said operation key;

    an illuminating portion for illuminating said operating portion in accordance with an instruction from said lighting key; and

    a lighting control portion for forcibly putting said illuminating portion off during operation of said pointing device.

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