Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1997-08-07
2000-05-02
Chan, Jason
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359164, 359158, 359143, 359154, H04B 1000
Patent
active
060579498
ABSTRACT:
An infrared (IR) transmitter modulator/receiver controller (TM/RC) encodes downlink serial digital data and precise time synchronization strobes from a host system to provide a downlink modulated serial digital electrical waveform. At least one IR host system transceiver (HST) converts the downlink modulated serial digital electrical waveform to a modulated downlink IR light waveform. At least one IR remote device transceiver (RDT) receives the modulated downlink IR light waveform from the HST. Each RDT is connected to a remote device. The modulated downlink IR light waveform is converted into a corresponding electrical waveform and further demultiplexed into its downlink serial digital data and precise time synchronization strobes. Each RDT provides an uplink electrical and IR modulated serial digital waveform to be received by the HST for conversion to an uplink demodulated serial digital electrical waveform. The HST transfers the uplink demodulated serial digital electrical waveforms to the TM/RC, thus providing a multiplexed combination of data and time information on the downlink and communication of uplink status information from the remote devices.
REFERENCES:
patent: 4330870 (1982-05-01), Arends
patent: 4882770 (1989-11-01), Miyahira et al.
patent: 4916689 (1990-04-01), Bielinski
patent: 5255111 (1993-10-01), Kwa
patent: 5838470 (1998-11-01), Radehaus
Chan Jason
Ginsberg Lawrence N.
Sedighian Mohammad
The Boeing Company
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