Check; Frank

Patent Applications and Registrations

Patent applications and USPTO patent grants for Check; Frank.The latest application filed is for "method of and system for detecting and correcting mode switching in diffractive-based laser scanning systems".

Company Profile

0.22.11

Check; Frank - San Jose CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Laser scanning system employing laser mode switching using a binary mode switching signal Grant 7,534,994 - Check May 19, 2	2009-05-19
Bioptical holographic laser scanning system Grant 7,407,103 - Check , et al. August 5, 2	2008-08-05
Laser scanning based bar code symbol reading system for producing a 3-D scanning volume substantially free of spatially and temporally coincident laser scanning planes Grant 7,395,968 - Dickson , et al. July 8, 2	2008-07-08
Method of and system for detecting and correcting mode switching in diffractive-based laser scanning systems App 20070295921 - Check; Frank	2007-12-27
Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes App 20070236766 - Dickson; LeRoy ; et al.	2007-10-11
Method of and system for detecting and correcting mode switching in diffractive-based laser scanning systems Grant 7,227,115 - Check June 5, 2	2007-06-05
Laser scanning bar code symbol reader employing variable passband filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol elements Grant 7,207,492 - Lucera , et al. April 24, 2	2007-04-24
Bioptical holographic laser scanning system App 20070001013 - Check; Frank ; et al.	2007-01-04
Bar code symbol scanning system having multiple scanning stations for producing a 3-D scanning volume free of substantially and temporally coincident scanning planes Grant 7,152,796 - Dickson , et al. December 26, 2	2006-12-26
Compact bioptical laser scanning system Grant 7,051,922 - Check , et al. May 30, 2	2006-05-30
Bioptical laser scanning system providing 360.degree. of omnidirectional bar code symbol scanning coverage at a point of sale (POS) station Grant 6,991,167 - Check , et al. January 31, 2	2006-01-31
Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes App 20050189417 - Dickson, LeRoy ; et al.	2005-09-01
Method of and system for detecting and correcting mode switching in diffractive-based laser scanning systems App 20050018722 - Check, Frank	2005-01-27
Laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes Grant 6,840,449 - Check , et al. January 11, 2	2005-01-11
Bioptical laser scanning system providing 360 degrees of omnidirectional bar code symbol scanning coverage at a point of sale (POS) station App 20040134987 - Check, Frank ; et al.	2004-07-15
Bioptical holographic laser scanning system Grant 6,758,402 - Check , et al. July 6, 2	2004-07-06
Laser scanning bar code symbol reader employing variable passband filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol elements App 20040074968 - Lucera, Mark ; et al.	2004-04-22
Diffractive-based laser scanning system employing microcontroller programmed for mode-switching correction in response to binary mode switching signal generation Grant 6,686,586 - Check February 3, 2	2004-02-03
Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes App 20030226896 - Dickson, LeRoy ; et al.	2003-12-11
Analog Scan Data Signal Processor Employing A Time-domain Substrate Noise Filter For Non-linearly Processing Analog Scan Data Signals And Reducing Substrate Noise Signal Levels Therein Prior To First Derivative Signal Generation And Processing Operations Carried Out Within Said Analog Scan Data Sign Grant 6,616,040 - Lucera , et al. September 9, 2	2003-09-09
Multi-focal Laser Scanning Bar Code Symbol Reading System Employing A Scan Data Signal Processor Having A Variable Pass-band Filter Structure With Frequency Characteristics Controlled By Measuring The Beam Spot Speed Of The Laser Scanning Beam Producing The Analog Scan Data Signal Being Processed By Grant 6,588,663 - Lucera , et al. July 8, 2	2003-07-08
Method Of And System For Scanning Bar Code Symbols Using A Laser Scanning Pattern Having Multiple Focal Zones, Wherein The Minimum Beam Dimension/minimum Bar Width (mbd/mbw) Ratio Is Greater Than Or Equal To 2.0 Grant 6,581,835 - Lucera , et al. June 24, 2	2003-06-24
Method Of And Apparatus For Processing Analog Scan Data Signals Derived By Scanning Bar Code Symbols Using A Laser Beam, Wherein A Real-time Bar Code Element Detector Is Used To Control The Detection Of Zero-crossings Occurring In The Second Derivative Of Said Analog Scan Data Signals Grant 6,572,018 - Lucera , et al. June 3, 2	2003-06-03
Multi-focal Laser Scanning Bar Code Symbol Reading System Employing A Variable Second Derivative Signal Pass-band Filter Structure Having Frequency Characteristics That Are Controlled In A Real-time Manner By Detecting Bar Code Elements In Analog Scan Data Signals Produced By Said System Grant 6,540,139 - Lucera , et al. April 1, 2	2003-04-01
Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes Grant 6,530,522 - Check , et al. March 11, 2	2003-03-11
Scan data signal processor employing band-pass filter having frequency response characteristics controlled by the depth of focus of the laser scanning beam Grant 6,527,186 - Lucera , et al. March 4, 2	2003-03-04
Multi-focal Laser Scanning Bar Code Symbol Reading System Employing A Scan Data Signal Processor Having A Variable Pass-band Filter Structure With Frequency Characteristics Controlled By Detecting The Focal Distance Of The Laser Scanning Beam Producing The Analog Scan Data Signal Being Processed By Grant 6,499,661 - Lucera , et al. December 31, 2	2002-12-31
Method Of And Apparatus For Processing Analog Scan Data Signals Derived While Scanning A Bar Code Symbol Using A Laser Beam, Wherein The Detected Beam Spot Speed Of Said Laser Beam Is Used To Dynamically Switch Into Operation Optimal Pass-band Filtering Circuits Grant 6,494,377 - Lucera , et al. December 17, 2	2002-12-17
Laser scanning bar code symbol reader employing variable pass-band filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol Grant 6,481,625 - Lucera , et al. November 19, 2	2002-11-19
Method of and system for detecting and correcting mode switching in diffractive-based laser scanning systems App 20020139927 - Check, Frank	2002-10-03
Compact bioptical laser scanning system App 20020038820 - Check, Frank ; et al.	2002-04-04
Laser Scanning Bar Code Symbol Reader Employing Variable Pass-band Filter Structures Having Frequency Response Characteristics Controlled By Time-measurement Of Laser-scanned Bar Code Symbol App 20020000466 - LUCERA, MARK G. ; et al.	2002-01-03
Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes Grant 6,158,659 - Dickson , et al. December 12, 2	2000-12-12

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