Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent
1997-03-25
1999-01-19
Callahan, Timothy P.
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
359480, 359481, G02B 2714
Patent
active
058619941
ABSTRACT:
A portable, electronic imaging system (100) includes a compact housing (102) extending across and beyond the eyes of the user, a wide field of view binocular viewfinder imaging subsystem (104) operating on an image produced by an electronic display subsystem (104) located within the housing, speakers (106) integrally mounted with the housing, an internal, interactive electronic control subsystem (108) to control the functions of the system, and an external input/output interface (110) to facilitate connection with a plurality of optional external devices and/or modules. The housing may further provide for modular mounting and removal of a plurality of optional system modules such as the electronic camera (120), a video tape record and playback device and battery (122), the electronic display (118), a night vision camera, a television tuner, a video game electronic system, a head orientation and position tracking device, or a means for mounting the system on the user's head.
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International Symposium Digest of Technical Papers, New York, 1973, Patrick D. Pratt, "A Helmet-Mounted Camera and Display System for Pilot Training", Fig. 3.
Callahan Timothy P.
Kim Jung Ho
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