Title:
OPTICAL AXIS OFFSET CORRECTING DEVICE, CONTROL METHOD, AND HEADS-UP DISPLAY
Document Type and Number:
WIPO Patent Application WO/2013/035142
Kind Code:
A1
Abstract:
This optical axis offset correcting device is provided with a scanning means (10), a light receiving element (100), a detection means, and a correction means for correcting an optical axis offset of a first beam radiated by a first light source and a second beam radiated by a second light source. The scanning means (10) makes the first beam and second beam scan in a scanning region for a prescribed scanning period in a state where the first light source and second light source are turned on simultaneously. The detection means detects the offset direction for the optical axes of the first beam and second beam on the basis of the range of a light receiving period from the earliest time the first beam or the second beam is received by the light receiving element (100) to the final time the first beam or the second beam is received by the light receiving element (100). The correction means corrects the optical axis offset for the first beam and the second beam on the basis of the offset direction detected by the detection means.
Inventors:
TSURUMI HIDEAKI (JP)
YOSHIDA YUICHI (JP)
MURATA JUNYA (JP)
FUKUDA MASAFUMI (JP)
SASAMORI KAZUYA (JP)
YOSHIDA YUICHI (JP)
MURATA JUNYA (JP)
FUKUDA MASAFUMI (JP)
SASAMORI KAZUYA (JP)
Application Number:
PCT/JP2011/070147
Publication Date:
March 14, 2013
Filing Date:
September 05, 2011
Export Citation:
Assignee:
PIONEER CORP (JP)
TSURUMI HIDEAKI (JP)
YOSHIDA YUICHI (JP)
MURATA JUNYA (JP)
FUKUDA MASAFUMI (JP)
SASAMORI KAZUYA (JP)
TSURUMI HIDEAKI (JP)
YOSHIDA YUICHI (JP)
MURATA JUNYA (JP)
FUKUDA MASAFUMI (JP)
SASAMORI KAZUYA (JP)
International Classes:
G09G3/02; G02B26/10; G02B27/01
Foreign References:
| JP2010020087A | 2010-01-28 | |||
| JPH06303623A | 1994-10-28 | |||
| JP2011154324A | 2011-08-11 | |||
| JP4809507B1 | 2011-11-09 | |||
| US4684996A | 1987-08-04 | |||
| JPH06296282A | 1994-10-21 |
Other References:
SHOJU HAKU: "[CEATEC] Pioneer no Head Up Display, Laser Projector no Saiyo de Tei Cost-ka", EDN JAPAN, 22 October 2010 (2010-10-22), JAPAN, Retrieved from the Internet [retrieved on 20111116]
Attorney, Agent or Firm:
NAKAMURA, TOSHINOBU (JP)
Akinobu Nakamura (JP)
Akinobu Nakamura (JP)
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Claims: