Title:
LIGHT IRRADIATION DEVICE, LIGHT IRRADIATION METHOD, AND RANGE FINDER
Document Type and Number:
WIPO Patent Application WO/2018/173733
Kind Code:
A1
Abstract:
A light irradiation device (1) has a light source (10), a first lens (12), a movable reflection part (14), a second lens (16), and a third lens (18), all of which are housed in a case C of the light irradiation device (1). The movable reflection part (14) controls the propagation direction of light radiated from the light source (10). The first lens (12) is disposed on the incidence side of the movable reflection part (14), and the second lens (16) and the third lens (18) are disposed on the emission side of the movable reflection part (14). The first lens (12) forms an image of the light source (10) at a position coinciding with the second lens (16) or in the vicinity thereof. The third lens (18) forms, outside the case C, an image of the light source (10) formed at the position coinciding with the second lens (16) or in the vicinity thereof.
Inventors:
MIZUGUCHI ASAMI (JP)
KOYANAGI HAJIME (JP)
KOYANAGI HAJIME (JP)
Application Number:
PCT/JP2018/008459
Publication Date:
September 27, 2018
Filing Date:
March 06, 2018
Export Citation:
Assignee:
PIONEER CORP (JP)
International Classes:
G01S7/481; G01C3/06
Foreign References:
| JPH11326499A | 1999-11-26 | |||
| JP2015025988A | 2015-02-05 | |||
| JP2015210230A | 2015-11-24 | |||
| JPH06174425A | 1994-06-24 |
Attorney, Agent or Firm:
HAYAMI Shinji et al. (JP)
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