Optical device for the recording and reading of data media...

Details Optical device for the recording and reading of data media... Optical device for the recording and reading of data media...

G - Physics

11

B

352/32.1

G11B 7/00 (2006.01) G11B 7/08 (2006.01) G11B 7/12 (2006.01)

Patent

CA 1165438

ABSTRACT OF THE DISCLOSURE OPTICAL DEVICE FOR THE RECORDING AND READING OF DATA MEDIA AND OPTICAL MEMORY SYSTEM INCORPORATING SUCH A DEVICE The device makes it possible to optically inscribe and/or read at least two facing sides of disks in an optical memory system, whose disks are stacked. A linear motor displaces a mobile means incorporating recording - reading heads These heads receive via a bidirectional optical connection data to be inscribed-and coming from fixed light emitters - receivers. Each of the recording heads comprises two focusing lenses associated with one of the two facing sides of the disk. According to a first variant, the two sides can be read simultaneously, each of the lenses being associated with its own control device. In a second variant, a single control device is provided and the two focusing lenses are integral with one another, each side being read or inscribed in succession.

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