Patent · US Active

Projector

US9016874B2 · kind B2 · utility

0Cited by

13References

6Claims

0Family size

Assignee

Qisda Corporation · TW

Inventors

Chun-Ming Shen · Taipei, TW
Hsin-Hung Li · Jinshanmian, TW
Chun-Hong Chen · Torrance, US

Key dates

Filing date	Jul 9, 2010
Grant date	Apr 28, 2015
Priority date	—
Expiry date	Aug 2, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG03B21/202
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A projector being operated at a working surface is provided. The projector includes a casing, a light source module and a transparent blocking member. The casing has a first surface and a second surface. The first surface is adjacent to the working surface and opposite to the second surface. The second surface has an opening. The light source module corresponding to the opening is disposed in the casing. The light source module can be assembled and disassembled through the opening. The transparent blocking member is disposed on the second surface and covers the opening.

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