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 Infrared transceiver module for a wider working range

Details
Inventors: Lin, Wen-Kuan;
Assignee: Lite-On Technology Corporation (Taipei, TW)
Primary Examiner: Milord; Marceau
Assistant Examiner:
Attorney, Agent or Firm: Birch, Stewart, Kolasch & Birch, LLP.

An infrared transceiver module for enabling a multiple direction infrared communication includes a transfer element for enlarging the working angles of infrared emission and reception of a transmitter and receiver portion. The transfer element has a surface area larger than the surface area of the transmitter and receiver portion. Infrared signal beam transmitting from the transmitter and receiver portion is repeatedly refracted by said transfer element and transmitted in multiple directions from the transfer element. Exterior signal beams coming to any portion of the transfer element are also repeatedly refracted by said transfer element and received by said transmitter and receiver portion. Therefore, a multiple direction infrared transmission and reception is obtained.

DETAILED DESCRIPTION The object of the invention is to provide an infrared transceiver module having a wider working range of transmitting and receiving infrared signals in multiple directions without the need of adjusting the position of the transceiver.
A wide-range infrared transceiver module according to the invention includes an infrared transceiver and a transfer element.
The transceiver includes an infrared transmitter and receiver portion for transmitting infrared signals outwards and receiving infrared signals coming from exterior.
The transfer element is mounted near the transceiver for transferring infrared signals with a surface area larger than the transceiver.
When the transmitter and receiver portion transmits infrared signals, the infrared beam irradiates into the transfer element, repeatedly refracted in the transfer element and transmits in multiple directions.
On the contrary, when an exterior infrared signal comes to the transfer element, the infrared beam irradiates into the transfer element, repeatedly refracted by the transfer element and finally received by the transmitter and receiver portion.
Further scope of the applicability of the present invention will become apparent from the detailed description given hereinafter.
However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.



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