Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optic read unit for scanning a record carrier having a radiation-reflecting information structure

Optic read unit for scanning a record carrier having a radiation-reflecting information structure

US Patent 4365323 · Granted Dec 21, 1982

Estimated economic value: $446,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of registering a running time on an information carrier, information carr2006
Method of registering a running time on an information carrier, information carr2004
Apparatus and associated method for linking information on a read only record ca2003
Method of registering a running time on an information carrier, information carr2003
Record carrier and apparatus for scanning the record carrier2001
Information carrier containing auxiliary information, reading device and method 2000
Multi-layer information storage system with improved aberration correction1998
Multi-layer information storage system with improved aberration correction1997
Methods of and information recording devices for recording and/or inhibiting rec1995
Record carrier with copy bits1995
Apparatus for optically scanning an information plane wherein a diffraction grat1987
Method of coding binary data1985