Invention Grant
US08227732B2 Light source device having a power supply antenna disposed at one focal point of an elliptical resonator, and projector
有权
具有设置在椭圆形谐振器的一个焦点处的电源天线的光源装置和投影仪
- Patent Title: Light source device having a power supply antenna disposed at one focal point of an elliptical resonator, and projector
- Patent Title (中): 具有设置在椭圆形谐振器的一个焦点处的电源天线的光源装置和投影仪
-
Application No.: US12637503Application Date: 2009-12-14
-
Publication No.: US08227732B2Publication Date: 2012-07-24
- Inventor: Satoshi Kito , Junichi Suzuki , Norio Imaoka , Satoshi Fujii
- Applicant: Satoshi Kito , Junichi Suzuki , Norio Imaoka , Satoshi Fujii
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2009-042300 20090225
- Main IPC: G01J1/32
- IPC: G01J1/32

Abstract:
A light source device includes an elliptical resonator, an electric discharge lamp that has an electric discharge tube and an electrode connected to the electric discharge tube and is disposed at one of two confocal points of the elliptical resonator, and a power supply antenna that supplies a microwave to the electric discharge lamp and is disposed at the other confocal point.
Public/Granted literature
- US20100214542A1 LIGHT SOURCE DEVICE, AND PROJECTOR Public/Granted day:2010-08-26
Information query
IPC分类: