Optics: image projectors – Slide transfer mechanism
Reexamination Certificate
2007-11-27
2007-11-27
Mahoney, Christopher (Department: 2851)
Optics: image projectors
Slide transfer mechanism
C356S400000
Reexamination Certificate
active
11040958
ABSTRACT:
A system and method for determining whether one or more slides are loaded properly within a cassette. Each slide includes one or more transparent regions and one or more non-transparent regions. The slides are between a light source and a sensor. The light source generates light that is directed towards the sensor through the slides. If the sensor is able to detect light from the light source, then the slides are properly loaded in the cassette. Slides are not properly loaded if the light is blocked by a non-transparent region before reaching the sensor. The sensor or a separate controller can generate a signal or data to provide an indication to a user or to processing equipment that the slides are or are not properly loaded. For example, a speaker or an indicator light can be used to provide an indication to the user. The signal or data can also be used for other functions, such as displaying a message on a screen indicating whether the slides are properly loaded.
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PCT International Search Report for PCT/US2005/046290, Applicant: Cytyc Corporation, Forms PCT/ISA/210 and 220, dated May 29, 2005 (6 pages).
PCT Written Opinion of the International Search Authority for PCT/US2005/046290, Applicant: Cytyc Corporation., Form PCT/ISA/237, dated May 29, 2005 (7 pages).
Cytyc Corporation
Mahoney Christopher
Vista IP Law Group LLP
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