US PATENT SUBCLASS 396 / 255
.~.~.~ Having indicator

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


396 /   HD   PHOTOGRAPHY

213  DF  EXPOSURE CONTROL CIRCUIT {23}
246  DF  .~ Shutter speed function only {6}
251  DF  .~.~ Having RC circuit for timing {4}
255.~.~.~ Having indicator

DEFINITION

Classification: 396/255

Having indicator:

(under subclass 251) Subject matter having means to convey photos:graphic related information to the camera operator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

70, for indicator in exposure control system responsive to distance.

88, for indicator in camera structure with a variable focal length camera objective.

147, for indicator with focusing and rangefinding means.

163, for indicator in camera structure with artificial illumination termination control.

201, for indicator with object illumination for exposure.

239, for indicator in exposure control circuit with manually selective exposure mode. 281+, for camera indicator, in general.

515, for detachable film holder unit with integral means to show film use which is not visible to operator during normal operation.

578, for fluid treating apparatus testing, calibrating, or indicating.

SEE OR SEARCH CLASS

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

84+, for light-controlling display.

352, Optics: Motion Pictures,

170+, for indicating means visible in viewfinder of motion picture camera.