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Dive into the research topics where James A. Barnard is active.

Publication


Featured researches published by James A. Barnard.


Archive | 2000

Hybrid optical disc construction

Bruce L. Ha; James A. Barnard; Thomas C. Burgo


Archive | 2001

Copy protection using multiple security levels on a programmable CD-ROM

James A. Barnard; Michael A. Inchalik; Bruce L. Ha


Archive | 1989

Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal

James A. Barnard


Archive | 1992

Disk cartridge adapted for use with different disk drives

James A. Barnard


Archive | 2001

Credit or debit copy-protected optical disc

Michael A. Inchalik; James A. Barnard


Archive | 2001

Copy protection using a preformed ID and a unique ID on a programmable CD-ROM

James A. Barnard; Michael A. Inchalik; Bruce L. Ha


Archive | 2002

Catalog merchandising using hybrid optical disc

William James Mueller; Michael A. Inchalik; James A. Barnard


Archive | 1994

Apparatus and method for differential tracking in a magneto-optic data storage system using mark edge detection

Edward C. Gage; James A. Barnard


Archive | 1982

Optical disc write/read employing passive focus maintenance

Dennis G. Howe; James A. Barnard


Archive | 1989

Single laser direct read after write system (draw)

James A. Barnard

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