Title:
ROTARY ENCODER DISC
Document Type and Number:
WIPO Patent Application WO2003038736
Kind Code:
A3
Abstract:
An optical window is disclosed through which light can be shone to generate a waveform. Windows are hourglass-shaped, to better conform the shape of the windows to the distribution of light intensity. The optical window can be incorporated into a variety of optical devices.
Inventors:
SCHKOLNIK DANIEL
Application Number:
PCT/US2002/034295
Publication Date:
November 20, 2003
Filing Date:
October 25, 2002
Export Citation:
Assignee:
INTEL CORP (US)
International Classes:
G01D5/347; G01D5/36; G06F3/038; (IPC1-7): G01D5/36; G01D5/347
Foreign References:
| FR1159726A | 1958-07-01 | |||
| EP0547270A1 | 1993-06-23 | |||
| US4965446A | 1990-10-23 | |||
| US4451731A | 1984-05-29 |
Download PDF: