Invention Grant
- Patent Title: Optical wheel device, light source unit, and projector
-
Application No.: US16424864Application Date: 2019-05-29
-
Publication No.: US10649322B2Publication Date: 2020-05-12
- Inventor: Hidehiko Mochizuki
- Applicant: CASIO COMPUTER CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: CASIO COMPUTER CO., LTD.
- Current Assignee: CASIO COMPUTER CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Scully Scott Murphy & Presser
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@56a11f72
- Main IPC: G03B21/20
- IPC: G03B21/20 ; G03B21/16 ; G03B33/08

Abstract:
An optical wheel device according to the present invention includes a first wheel on one side of which a luminescent material layer is disposed, a second wheel disposed on the other side of the first wheel, a first opening portion provided on the first wheel or the second wheel to be situated near a center of rotation, a second opening portion provided further radially outwards than the first opening portion, a communication passage formed between the first wheel and the second wheel to establish a communication between the first opening portion and the second opening portion, a motor configured to rotationally drive the first wheel and the second wheel, and a drive control device configured to control driving of the motor.
Information query