Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Replica lens and method of manufacturing same

Replica lens and method of manufacturing same

US Patent 4890905 · Granted Jan 2, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Dielectric composition, method of manufacturing a ceramic multilayer element, an2006
Dielectric composition, method of manufacturing a ceramic multilayer element, an2004
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
Optical scanning unit having a main lens and an auxiliary lens2000
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