Infrared ray transmitting and receiving device having a...

Details Infrared ray transmitting and receiving device having a... Infrared ray transmitting and receiving device having a...

2005-06-28

2005-06-28

Chin, Vivian (Department: 2682)

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

C455S041200, C345S158000, C398S119000

Reexamination Certificate

active

06912379

ABSTRACT:
An IR transmitting and receiving device with a signal communicator has an RF transmitter unit connected to an IR receiver and an RF receiver communicating with the RF transmitter unit. The RF receiver is able to get the status of the signal at the IR receiver through the RF transmitter unit and then show the status on a display device. Therefore when a user sets the IR transmitting and receiving device, the user easily adjusts one position of the IR transmitter and the IR receiver, until the IR receiver received the max light strength from the IR transmitter.

REFERENCES:
patent: 5268734 (1993-12-01), Parker et al.
patent: 5892501 (1999-04-01), Kim et al.
patent: 6678535 (2004-01-01), Narayanaswami
patent: 6710721 (2004-03-01), Holowick

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