Microphonograph record with alignment means

Details Microphonograph record with alignment means Microphonograph record with alignment means

G - Physics

11

B

181/65

G11B 3/80 (2006.01) G11B 3/40 (2006.01)

Patent

CA 1071111

Abstract of the Disclosure Microphonograph record which is to remain stationary while informa- tion is being reproduced therefrom formed from a sheet of material and having generally V-shaped locating means formed in the sheet of material which is accessible from one side of the sheet of material. The V-shaped locating means lies in a plane generally parallel to the plane of the sheet of material. The sheet of material is provided with first and second surfaces and has information carried by the sheet of material on at least one surface thereof and arranged in a generally concentric circular pattern. The circular pattern has at its center a point which lies in close proximity to the apex of the V- shaped locating means.

271256

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