US PATENT SUBCLASS 352 / 2
.~ Cyclic motion pictures with sound (e.g., praxinoscopes


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

Internet Version by PATENTEC © 1999      Terms of Use



352 /   HD   OPTICS: MOTION PICTURES

1  DF  WITH SOUND ACCOMPANIMENT {12}
2.~ Cyclic motion pictures with sound (e.g., praxinoscopes


DEFINITION

Classification: 352/2

(under subclass 1) Subject matter in which a group of sequentially arranged pictures are presented at such a rate to give the visual illusion of a motion sequence which reoccurs at regular intervals together with the accompaniment of sound from a sound recording.

(1) Note. This subject matter includes a series of picture recordings on a phonograph record, which produce a motion illusion upon rotation of the record in playing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

101, for motion picture devices which have the picture sequence arranged on a drum which is rotated to produce a reoccurring motion picture sequence without sound accompaniment.

102, for motion picture devices which have the picture sequence arranged on a disc which is rotated to produce a reoccurring motion picture sequence without sound accompaniment.

126, for motion picture devices which have the motion picture sequence arranged on an endless film to produce a reoccurring motion picture sequence without sound accompaniment.