Title:
CUTTER SPOT LIGHT
Document Type and Number:
Japanese Patent JP3052234
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cutter spot light capable of projecting a combined projection pattern to multiple positions without requiring a long time.
SOLUTION: This cutter spot light is provided with a light source, multiple vanes partially shielding the light emitted from the light source, a vane drive controller 17 driving the vanes, a pan/tilt drive controller 16 controlling the pan angle and tilt angle in the projection direction, a reference pattern memory section 12a storing the pan angle, tilt angle, and the positions of the vanes when a reference projection pattern is formed, and a vane correction calculation section 14 calculating the positions of the vanes for projecting the reference projection pattern and a combined projection pattern at the pan angle and tilt angle in the other projection direction.
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Inventors:
Masaru Uenishi
Application Number:
JP19139395A
Publication Date:
June 12, 2000
Filing Date:
July 27, 1995
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
F21S2/00; F21S10/00; F21V21/14; (IPC1-7): F21S2/00; F21S10/00; F21V21/14
Domestic Patent References:
| JP6196005A | ||||
| JP7196302A | ||||
| JP8321203A | ||||
| JP7320501A | ||||
| JP60134201U | ||||
| JP6322011U | ||||
| JP541006U | ||||
| JP515201U | ||||
| JP214703U | ||||
| JP1142102U | ||||
| JP186121U | ||||
| JP186120U | ||||
| JP63150407U | ||||
| JP59161210U |
Attorney, Agent or Firm:
Junji Ando (1 person outside)