Cordless light source

Details Cordless light source Cordless light source

1994-09-13

1996-06-25

Yeung, James C.

Illumination

With implement or hand held holder therefor

362157, 362373, 362804, 433 27, 433 29, 433215, 315119, A61C 500

Patent

active

055306322

ABSTRACT:
The first purpose of the invention is to provide cordless light irradiation in which a stable amount of light is emitted when irradiating, and moreover, the device can be made compact. The second purpose is to offer a cordless light irradiation device that can control the battery temperature during use to a lower temperature than in the past.
Halogen lamp 1 equipped with a reflective mirror and batteries 4 are housed in handpiece 2. The device is equipped with battery case 3 that is provided with ventilation holes 5, cooling fan 6 and optical filter 7, and lamp guide 8 is provided on the terminal of handpiece 2.

REFERENCES:
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patent: 4415952 (1983-11-01), Hattori et al.
patent: 4499525 (1985-02-01), Mallory
patent: 4607623 (1986-08-01), Bauman
patent: 4818231 (1989-04-01), Steiner et al.
patent: 4850669 (1989-07-01), Welker et al.
patent: 4933816 (1990-06-01), Hug et al.
patent: 4947291 (1990-08-01), McDermott
patent: 5001608 (1991-03-01), Kehrli et al.
patent: 5093763 (1992-03-01), Vanderschuit et al.
patent: 5318009 (1994-06-01), Robinson

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