US PATENT SUBCLASS 396 / 105
.~ Using sound

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}
105.~ Using sound

DEFINITION

Classification: 396/105

Using sound:

(under subclass 89) Subject matter wherein the distance from the camera to the object is determined by emitting or detecting sound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

56, for camera controlled by electromagnetic signals or sound.

, FOR 701, for a foreign art collection involving camera autofocusing using sound.

SEE OR SEARCH CLASS

367, Communications, Electrical: Acoustic Wave Systems and Devices,

99+, for an acoustic echo system, per se, for distance or direction finding.