William H. Equitz
14 Papers
324 Citations
William H. Equitz is an academic researcher. The author has contributed to research in topics: Field of view & Lens (optics). The author has an hindex of 7, co-authored 14 publications.
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Papers
Patent
Light pipe illumination system and method
Carl W. Gerst,William H. Equitz,Justin Testa,Sateesha Nadabar +3 more
- 24 Oct 2003
TL;DR: In this article, a light pipe is used to provide a high-angle bright field illumination pattern on the subject with a first portion of the light and for reflecting a second portion of light for providing a low-angle dark-field illumination pattern.
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Patent
Method and apparatus for providing omnidirectional lighting in a scanning device
Carl W. Gerst,William H. Equitz,Justin Testa,Sateesha Nadabar +3 more
- 21 Oct 2004
TL;DR: In this paper, a light source comprising a plurality of individually-controllable lighting elements for providing low angle dark field illumination, activating an image sensor for detecting image data reflected from an encoded data symbol, when the symbol is illuminated by the light source.
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Patent
System and method for providing diffuse illumination in a symbology reader
Laurens Nunnink,William H. Equitz,Carl W. Gerst +2 more
- 29 Dec 2005
TL;DR: An illumination system and method for use in a handheld symbology reader that employs a grid of reflecting elements applied to a transparent plate adapted to project a highly diffuse and uniform illumination on a subject is described in this article.
46
Patent
System and method for expansion of field of view in a vision system
Laurens Nunnink,Carl W. Gerst,William H. Equitz,Matthew D. Engle +3 more
- 04 Feb 2013
TL;DR: In this article, a field of view expander (FOVE) was proposed to remove a vision system camera having an image sensor defining an image plane. But it was not shown in practice.
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Patent
Method and Apparatus for High Resolution Decoding of Encoded Symbols
Laurens Nunnink,William H. Equitz +1 more
- 17 Jul 2009
TL;DR: In this paper, a method for scanning and decoding encoded symbols comprises processing low resolution image data from a full field of view and/or high resolution image from one or more windowed segments of the view to provide imaging that is easily adaptable to different types of symbols and varying environmental conditions.
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