US PATENT SUBCLASS 396 / 111
.~ Optical detail with photoelement system


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

89  DF  WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS {28}
111.~ Optical detail with photoelement system {8}
112  DF  .~.~> Double wedge prism
113  DF  .~.~> Microprism or lenslet
114  DF  .~.~> Dual reimage lens type
115  DF  .~.~> Photosensor area with unique edge pattern
116  DF  .~.~> Scanning type {1}
118  DF  .~.~> Moving photocell
119  DF  .~.~> Photoelements with different optical path lengths
120  DF  .~.~> With Position Sensitive Device (PSD)


DEFINITION

Classification: 396/111

Optical detail with photoelement system:

(under subclass 89) Subject matter including a photoelement system and a specific light-modifying means used to control focusing or rangefinding.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 702+, for foreign art collections involving photoelectric-type, automatic camera focusing.

SEE OR SEARCH CLASS

250, Radiant Energy,

201.2+, for photocell controlling its own optical systems with automatic focus control.

348, Television,

336+, for video camera, system and detail with color separating optics. 359, Optics: Systems (Including Communication) and Elements,

618+, for light dividing, combining, or plural image forming.