Title:
走査装置
Document Type and Number:
Japanese Patent JP3995721
Kind Code:
B2
Abstract:
A reflector lens for selectively transmitting or focussing radiation of different polarisations comprising a first polarising surface, for selectively transmitting and selectively reflecting radiation having a particular direction of polarisation, a second surface for rotating the direction of polarisation of radiation through substantially 45 DEG and a third polarising surface for selectively reflecting and selectively transmitting radiation, wherein the polarisation axis of the third surface makes an angle of substantially 45 DEG with the polarisation axis of the first surface.
Inventors:
Rettington Allen
Application Number:
JP54358798A
Publication Date:
October 24, 2007
Filing Date:
April 03, 1998
Export Citation:
Assignee:
United Kingdom
International Classes:
G01S3/56; G01S7/48; G01S3/789; G01S7/02; G01S7/03; G01S13/89; G01V8/00; G02B26/10; H01Q3/20; H01Q15/24
Domestic Patent References:
JP5289018A | ||||
JP5027035A | ||||
JP61292122A | ||||
JP54161982A |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda