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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0533478 (1990-06-05) |
우선권정보 | JP-0142658 (1989-06-05); JP-0142659 (1989-06-05); JP-0260091 (1989-10-06) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 2 |
A shutter mechanism, employed in a camera, is provided having a pair of blade members pivoted about a point. The blade members are moved between a position where the light path is completely shielded and another position where light is allowed to pass through. Each of the blade members has a gear po
A shutter mechanism for a camera for opening and closing a light path, comprising: a pair of plate members, pivoted about the same point, which are swingingly driven to their operative positions between positions where said plate members completely shield said light path and positions where said pla
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