Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical scanning unit having a main lens and an auxiliary lens

Optical scanning unit having a main lens and an auxiliary lens

US Patent 6130418 · Granted Oct 10, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Device for scanning an electromagnetically suspended information carrier2004
Method of manufacturing an optically scannable information carrier2003
Optical scanning device with parallel-controlled actuators2003
Apparatus for reading and/or writing information from/on a recording medium2001
Scanning device for optical discs2000
Optical unit for optically scanning an information surface, and optical scanning1999
Device for scanning information tracks on a record carrier1998
Optical apparatus for scanning a tape-shaped record carrier1998
Optical scanning device, and apparatus provided with such a device, employing sc1998
Rapidly scanning cathode-ray tube laser1998
Position detection system for an object with at least five degrees of freedom1998
Linear guide arrangement, device comprising a linear guide arrangement and a hea1997