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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Attorney: William H. Southwell


Number of applications: 5
Last date: December 09, 2010

Application No.Application TitleIssue Date
20100309555Narrow angle filter
An optical interference coating that transmits light in a narrow angular band has been achieved. This filter works in filtering light from different angles of arrival when it is operated in a tilted configuration to the incoming signal. Two such tilted filters whose nor...
12/09/2010
20100182678Absorbing layers for the control of transmission, reflection, and absorption
An optical filter and a method for its design are provided that will transmit visible light and quickly cutoff to low transmission or high optical density in the near infrared wavelength region. This high optical density is achieved by either reflection or absorption of...
07/22/2010
20100040849Absorbing anti-reflection coatings for lenses
A method is provided for the reduction of image noise due to multiple reflections from lens surfaces which incorporates weak absorption into the antireflection coatings of the lens surfaces. Even though weak absorption in the coatings may slightly decrease the transmitt...
02/18/2010
20090324805Optical monitor for thin film deposition using base stack admittance
A method is provided for the determination of the time to terminate the deposition of an optical thin film using an exact model for the reflectance. This model is used to fit the reflectance measurements to determine the deposition rate, from which the time to deposit t...
12/31/2009
20090216474Optical monitor for rugate filter deposition
This invention describes a means to monitor the deposition of a rugate filter such that the deposited filter will have the specified bandwidth, angular shift properties, and the correct wavelength of the reflectance peak....
08/27/2009
 
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