Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1992-07-30
1994-09-13
Bertsch, Richard A.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
606 4, 606 12, 606 13, A61B 310
Patent
active
053473299
ABSTRACT:
An apparatus for optical treatment using a light beam, which includes an apparatus body having a first control operation device for providing an optical treatment light and an optical fiber cable for introducing an optical treatment light from the apparatus body into a delivery unit. The apparatus comprises a light relaying device connected with both of the apparatus body and the delivery unit through the optical fiber cable, second control operation device provided in the light relaying device, optical communication device for transmitting and receiving light signals, the optical communication device being arranged in the apparatus body and the light relaying device respectively, an optical system for introducing the light signals which the optical communication device transmits and receives through the optical fiber cable.
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Copy of application filed in the United States Patent and Trademark on Nov. 14, 1991 with U.S. Serial No. 07/791,692 claiming priority of Japanese Patent Application No. Hei. 2-312006.
Bertsch Richard A.
Nidek Co. Ltd.
Richman Howard R.
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