Patent · US Expired

Zoom lens and video camera and electronic still camera using this

US6441968B1 · kind B1 · utility

6Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 2000
Grant dateAug 27, 2002
Priority date—
Expiry dateJul 7, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B15/144113
  • WIPO fieldOptics
  • WIPO sectorInstruments

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.