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Optical motion sensor

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01V-009/04
출원번호 US-0009777 (1987-02-02)
발명자 / 주소
  • Philipp Harald (15320 NE. 11th
  • Apt. K326 Bellevue WA 98007)
인용정보 피인용 횟수 : 136  인용 특허 : 0

초록

An optical motion sensor comprises first and second light emitting diodes that emit complementary pulsed beams of infrared energy within a sensing region. A photodiode sums the energies to produce a proportional sensing signal. An amplifier AC coupled to the photodiode blocks the constant portion of

대표청구항

An apparatus for sensing motion within a sensing region, comprising: a first emitting means for emitting a first beam of energy; a second emitting means for emitting a second beam of energy; sensing means for receiving and summing the energies of the first and second beams to produce a corresponding

이 특허를 인용한 특허 (136)

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