Founded in 1995 at the Smithsonian Institution's National Museum of American History, the Lemelson Center for the Study of Invention and Innovation is dedicated to exploring the history of invention and encouraging inventive creativity in young people. Through our presence in the museum, as well as...
Edgerton’s night aerial photography system. The flash tube (lower center) fits into the reflector at the left. The camera (center), which looks a lot like an oversized 35-mm single-lens reflex camera, is sitting on top of one of the capacitor banks. The serviceman is holding the control...
1. 森 美国麻省理工学院赖弥尔森(Lemelson)管理及经济学教授。曾任美国民主党的经济参谋;1987至 1993年担任MIT斯隆管理学 … www.yixiechina.com|基于56个网页 2. 莱默逊 ...it.edu (4) 竞争性产品开发中心 (5)莱默逊(Lemelson)-麻省理工学院奖励项目 (6) 麻省理工学院创业中心,地点E5… ...
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above a surface by means of four legs 26' attached to the corners thereof. An opening 26H is provided in the center of the upper wall 26, which opening is illustrated as being eliptically oblong in shape permitting a playing piece, such as an oblong fish-shaped object 11" to be passed...
plastic or ceramic material defining a solid body 22 having parallel upper and lower flat surfaces 23 and 24 and a hexagonally shaped flat faceted side wall 22H. Extending through the center of the body 22 is a cavity or passageway 26, the side wall 27 of which is formed with an internal...
The control center 10 comprises the computer control system 99 coupled with various communication units. The computer system 99 includes the control processor 81 with its associated memory unit 82. The control processor 81 is used to coordinate overall activities within the intelligent traffic control ...
the leading edge of a card fed to the opening 38 is sensed by a transducer 64 such as a cadmium sulfide photoelectric cell or a photo-transistor supported at the center of the guide 38' defining the opening 38 when light from a small light source 65 supported on the other side of the...
“fourth taillight” or mount there. If the placement of the taillight mount at the bottom of rear window43causes severe operating limitations, mounting camera12on top of housing10, as opposed to the bottom or center of the housing, might improve the view somewhat, because the higher the ...