Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical beam tracking system for use in optical information recording and/or reproducing apparatus

Optical beam tracking system for use in optical information recording and/or reproducing apparatus

US Patent 4718051 · Granted Jan 5, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

X-ray target and apparatuses using the same2009
Foam molding equipment2000
Electronic file apparatus capable of storing code data and image data into optic1994
Optical recording/reproducing device1989
Optical information recording and reproducing apparatus1989
Optical memory accessing and tracking apparatus with pickup and lens servoing du1988
Optical memory accessing and tracking apparatus with pickup and lens servoing du1988
Tracking control apparatus1988
Servo apparatus for compensating for warp and deflection deviations on optical d1987
Head feed control apparatus1987
Microprocessor controlled focussing servo acquisition1987
Data recording area signal generating method and apparatus1987