US PATENT SUBCLASS 396 / 139
.~.~ Rangefinder coupled with focusing

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}
138  DF  .~ Mechanical rangefinder {1}
139.~.~ Rangefinder coupled with focusing {4}
140  DF  .~.~.~> Having parallax correction
141  DF  .~.~.~> Having viewfinder
142  DF  .~.~.~> Cam means to actuate rangefinder
143  DF  .~.~.~> Lever means to actuate rangefinder

DEFINITION

Classification: 396/139

Rangefinder coupled with focusing:

(under subclass 138) Subject matter wherein the mechanical rangefinder is connected to the exposure objective and both are moved simultaneously for focusing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 810+, for foreign art collections involving camera

structure and rangefinder coupled with focusing.