1
Chen Feng: Hand held dataform reader having strobing ultraviolet light illumination assembly for reading fluorescent dataforms. Meta Holdings Corporation, Watts Hoffmann Fisher & Heinke Co LPA, September 26, 2000: US06123263 (375 worldwide citation)

A portable data collection device having a modular imaging-based dataform reader. The dataform reader includes a two dimensional imaging assembly adapted to image and decode a dataform printed using ink that fluoresces when illuminated by ultraviolet light. The imaging assembly includes a two dimens ...


2
Chen Feng, Ynjiun P Wang: Portable data collection device with LED targeting and illumination assembly. Metanetics Corporation, Watts Hoffman Fisher & Heinke Co A, July 21, 1998: US05783811 (330 worldwide citation)

The device includes an imaging assembly including a two dimensional (2D) photosensor array overlied by a RGB color filter. The imaging assembly includes an illumination assembly providing a relatively uniform illumination pattern over an imaging target area. The illumination assembly includes a plur ...


3
Chen Feng, Ynjiun P Wang: Portable data collection device with viewing assembly. Metanetics Corporation, Watts Hoffmann Fisher & HeinkeCo A, November 10, 1998: US05834754 (285 worldwide citation)

A portable data collection device is disclosed. The device includes an imaging assembly including a two dimensional (2D) photosensor array. The imaging assembly is selectively actuatable with a first trigger for reading a target dataform in the imaging assembly's target area and actuatable with a se ...


4
Chen Feng, Ynjiun P Wang: Portable data collection device with viewing assembly. Metanetics Corporation, Watts Hoffman Fisher & Heinke Co A, August 11, 1998: US05793033 (277 worldwide citation)

A portable data collection device. The device includes an imaging assembly including a two dimensional (2D) photosensor array. The imaging assembly is selectively actuatable with a first trigger for reading a target dataform in the imaging assembly's target area and actuatable with a second trigger ...


5
Chen Feng: Portable data collection device with crosshair targeting illumination assembly. Telxon Corporation, Watts Hoffmann Fisher & Heinke Co, September 7, 1999: US05949057 (273 worldwide citation)

A portable data collection device is disclosed. The device includes an imaging assembly including a two dimensional (2D) photosensor array. The imaging assembly is selectively actuatable with a first trigger for reading a target dataform in the imaging assembly's target area and actuatable with a se ...


6
Chen Feng, Ynjiun P Wang: Imaging based slot dataform reader. Metanetics Corporation, Watts Hoffman Fisher & Heinke Co A, February 10, 1998: US05717195 (261 worldwide citation)

A fixed position dataform reader reads a dataform printed on a substrate and passed through a desired target area. The reader comprises a housing, a first camera assembly, image processing and decoder circuitry, and a mounting support. The housing has a base surface, a face surface, and at least one ...


7
Chen Feng: Portable data collection device including color imaging dataform reader assembly. Metanetics Corporation, Watts Hoffmann Fisher & Heinke Co A, May 16, 2000: US06062475 (258 worldwide citation)

A portable data collection device providing for dataform decoding and color imaging. An imaging assembly is provided that includes a board camera having black and white circuitry and generates a composite video signal representing an image of a target area of the imaging assembly when actuated. The ...


8
Chen Feng: Portable data collection device with variable focusing module for optic assembly. Metanetics Corporation, Watts Hoffmann Fisher & Heinke Co A, January 30, 2001: US06179208 (252 worldwide citation)

A portable data collection device including an imaging assembly including a two dimensional (2D) photosensor array. The imaging assembly is selectively actuatable with a first trigger for reading a target dataform in the imaging assembly's target area and actuatable with a second trigger for ca ...


9
Chen Feng: Portable data collection device including imaging assembly with modular high density dataform reader assembly. Metanetics Corporation, Watts Hoffmann Fisher & Heinke Co, July 6, 1999: US05920061 (226 worldwide citation)

A portable data collection device adapted to read high density bar code and matrix dataforms. The device includes an imaging assembly including a modular camera housing supporting a two dimensional (2D) photosensor array. The imaging assembly is selectively actuatable with a first trigger for readin ...


10
Chen Feng: Portable data collection device with variable focusing module for optic assembly. Metanetics Corporation, Watts Hoffman Fisher & Heinke Co LPA, August 13, 2002: US06431452 (213 worldwide citation)

A portable data collection device including an imaging assembly including a two dimensional (2D) photosensor array. The imaging assembly is selectively actuatable with a first trigger for reading a target dataform in the imaging assembly's target area and actuatable with a second trigger for ca ...



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