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2013
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Invention
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Shutter having magnet-driven drive ring. A shutter assembly includes a drive ring having a perman... |
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2012
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Invention
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Shutter assembly with drive ring-mounted magnet. A shutter assembly includes a drive ring having ... |
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Invention
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Electromagnetic shutter. A shutter includes a driver ring, a plurality of shutter blades coupled ... |
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Invention
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Shutter assembly. A shutter assembly includes a plurality of shutter blades movable between an op... |
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2011
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G/S
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Shutters; shutter timers; electromagnetically actuated photographic shutters and control equipmen... |
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Invention
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Shutter assembly with rotating magnet. A shutter assembly includes a base having a stop and a cen... |
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Invention
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Shutter damping assembly. A rotary photographic shutter includes a base plate, a rotating ring, a... |
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2009
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Invention
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Composition for compressor working fluid for applications with soluble gas or gas condensates. A ... |
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Invention
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Shutter activation system. A shutter includes at least one shutter blade, a magnet moveably conne... |
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Invention
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Shutter activation system. A method of controlling a plurality of shutter blades includes providi... |
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Invention
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Non contact shutter activation system and method. A method of controlling a plurality of shutter ... |
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2007
|
Invention
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Quick-change shutter assembly.
A shutter assembly for an optical system includes a shutter housi... |
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2006
|
Invention
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Non contact shutter activation system and method. A shutter operating system is provided that dep... |
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G/S
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Electromagnetically actuated shutters and control equipment therefor, namely, single and multi ch... |
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Invention
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Lubricating oil compositions using polyalkylene glycol derivatives. 1 is hydrogen, methyl, ethyl,... |
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G/S
|
electromagnetically actuated optical shutters and control equipment therefor, namely, single and ... |
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2005
|
Invention
|
Non-contact shutter activation system and method. A shutter operating system is provided that dep... |
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Invention
|
Quick-change shutter assembly. A shutter assembly for an optical system includes a shutter housin... |
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|
Invention
|
Bi-stable mechanical photographic shutter. An electromagnetically operable rotary shutter is rend... |
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2003
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Invention
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Damping system for mechanical shutter. A damping system for an electromagnetically operable rotar... |
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Invention
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Damping system for mechanical shutter. A damping system for an electromagnetically operable shutt... |
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2002
|
Invention
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Selection and bundling apparatus for random length materials. An apparatus for selecting random l... |
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|
G/S
|
electromagnetically actuated photographic shutters, microscope and video mounts for shutters, ele... |
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G/S
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ELECTROMAGNETICALLY ACTUATED PHOTOGRAPHIC SHUTTERS AND CONTROL EQUIPMENT THEREFOR, NAMELY, SINGLE... |
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2001
|
Invention
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Selection and bundling method for random length materials. A method for selecting random length b... |
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1989
|
Invention
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Constant current actuator for inductive load. An actuator circuit for an inductive load includes ... |
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1986
|
Invention
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Portable actuator for inductive load. A battery operated, portable actuator for an inductive load... |
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1983
|
Invention
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Control circuit for inductive load. A control circuit for an inductive load comprising a relative... |
