The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 1991
Filed:
Oct. 05, 1989
Masami Hamada, Setagaya, JP;
Hiroshi Fujiwara, Hachiouji, JP;
Kosaku Tsuboshima, Hachiouji, JP;
Masahiko Kinukawa, Higashimurayama, JP;
Toshiyuki Tsunoda, Matsumoto, JP;
Takashi Nagano, Hachiouji, JP;
Kazyuki Minami, Musashino, JP;
Shigeo Tokunaga, Hino, JP;
Masanori Kaneda, Hachiouji, JP;
Tomonori Ishikawa, Hachiouji, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
The surgical microscope comprises a stand, an arm movably attached to said stand for sustaining a microscope body, an electric control equipment divided into a plural number of units removably piled up on said stand and a foot switch unit to be used for executing various types of functions. Accommodated in each unit are a function control means having a single specific function or plural specific functions different from those of the other units and an independent power source means connected to said function control means in a relation of 1:1 or in a different combination. The surgical microscope can be designed compact as a whole, has high operability and assures high security during operation. Should a function be lost due to troubles during operation, the surgical microscope prevents the other functions from being influenced by the troubles and allows to speedily restore the lost function.