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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0585773 (2000-06-02) |
우선권정보 | JP-0277003 (1997-10-09); JP-0357851 (1997-12-25); JP-0208097 (1998-07-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 3 |
A quantity-of-light adjusting device includes a drive source, a base member having an opening formed therein, and a blade arranged to move by being driven by the drive source and having three openings formed therein side by side in a row in a moving direction of the blade, wherein, among the three o
1. A quantity-of-light adjusting device comprising:a) a drive source; b) a base member having an opening formed therein; and c) a blade which is driven by said drive source and which has a cutout part continuously varying a quantity of light passing through the opening formed in base member and a ho
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