Illumination – Work-table lighting system
Patent
1985-11-01
1987-01-27
Cuchlinski, Jr., William A.
Illumination
Work-table lighting system
362804, 362287, 378206, F21M 100, A61B 608
Patent
active
046398384
ABSTRACT:
A shadowless lighting equipment for medical use includes an illuminating device for emitting a wave beam such as an infrared ray beam subjected to frequency modulation on a patient on an operating table so as to form an irradiation area thereon, an image forming device which forms an image of the irradiation area in accordance with a wave beam reflected from the irradiated portion of the patient, and a sensor for comparing information regarding an image forming position by the image forming device with information regarding a light concentration position of a lighting device. In this comparison, when the image forming position is spaced apart from the light concentration position, an output containing information regarding the positional difference between the positions is provided, and, in response to such an output, the lighting device is driven in the X axis, Y axis, and perpendicular directions of a coordinate surface so that the light concentration position becomes the same as the image forming position.
REFERENCES:
patent: 3861807 (1975-01-01), Lescrenier
patent: 3967107 (1976-06-01), Junginger et al.
patent: 4578575 (1986-03-01), Roos
patent: 4589126 (1986-05-01), Augustsson
Kato Yasuhiro
Koyama Mitsuhiro
Cox D. M.
Cuchlinski Jr. William A.
Yamada Iryo Shomei Kabushiki Kaisha
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