Method and apparatus for transmitting coded light through low tr

Details Method and apparatus for transmitting coded light through low tr Method and apparatus for transmitting coded light through low tr

1995-03-09

1996-09-03

Peng, John K.

Communications: electrical

Vehicle position indication

At remote location

340531, 359154, 359159, 359176, 359174, 455 41, G08G 1123

Patent

active

055527809

ABSTRACT:
A transceiver for transmitting and receiving coded light through a motor vehicle windshield from an in-vehicle computer. The coded light is binary encoded data that is first transmitted through the windshield by light emitting diodes in the red, green, or yellow light range or a similar light range that is not attenuated by the windshield. A photo diode receives the transmitted encoded light and operates a transistor switch amplifier means to activate one or more infrared light emitting diodes connected in parallel. A power supply comprising a light source on the inside of the vehicle and a solar cell on the outside of the windshield provides the necessary power to activate the circuitry on the outside of the windshield. The complete unit is mounted on the windshield in an area which is out of the driver's normal vision.

REFERENCES:
patent: 4325146 (1982-04-01), Lennington
patent: 4980926 (1990-12-01), Noetzel
patent: 5060308 (1991-10-01), Bieback
patent: 5241410 (1993-08-01), Streck et al.

Affiliated with

Also associated with

Rating

Method and apparatus for transmitting coded light through low tr does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for transmitting coded light through low tr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for transmitting coded light through low tr will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1953550