Apparatus for transmitting optical information through a viewer'

Details Apparatus for transmitting optical information through a viewer' Apparatus for transmitting optical information through a viewer'

1988-04-07

1989-09-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

340705, 350174, G01J 120

Patent

active

048662291

ABSTRACT:
Optical informations or data are transmitted by an essentially stationary transmitter and received by a mobile receiver attached to an operator's helmet or headset. A receiving lens and an optical wave guide lead to the operator's eye for the receiver. The optical transmitter is embodied as a projector arranged to be tiltable about its vertical axis and about a horizontal axis extending perpendicularly to the projected light beam direction. The projector further includes a tracking guide sensor and the receiver includes a reflector for establishing an optical guidance coupling between the projector and the receiver so that the projector may be appropriately pivoted to track the moving receiver.

REFERENCES:
patent: 3205303 (1965-09-01), Bradley
patent: 4048653 (1977-09-01), Spooner
patent: 4153913 (1979-05-01), Swift

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