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David Tsi
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Stony Brook, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-channel signal processing in an optical reader
Patent number
6,991,168
Issue date
Jan 31, 2006
Symbol Technologies, Inc.
David Tsi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanner with segmented collection mirror
Patent number
6,834,805
Issue date
Dec 28, 2004
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multipurpose lens holder for reading optically encoded indicia
Patent number
6,732,935
Issue date
May 11, 2004
Symbol Technologies, Inc.
Igor R. Vinogradov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanner including a thermostatically controlled heater modu...
Patent number
6,612,493
Issue date
Sep 2, 2003
Symbol Technologies, Inc.
Carlo DeGiovine
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-channel signal processing in an optical reader
Patent number
6,435,412
Issue date
Aug 20, 2002
Symbol Technologies, Inc.
David Tsi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electro-optical reader with hands-free and hand-held modes of opera...
Patent number
6,410,931
Issue date
Jun 25, 2002
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanner with segmented collection mirror
Patent number
6,382,513
Issue date
May 7, 2002
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electro-optical scanner having stationary, multi-surface mirror hav...
Patent number
6,220,514
Issue date
Apr 24, 2001
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-channel signal processing in an optical reader
Patent number
6,213,399
Issue date
Apr 10, 2001
Symbol Technologies, Inc.
David Tsi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
One piece optical assembly for low cost optical scanner
Patent number
6,114,712
Issue date
Sep 5, 2000
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Terminal with board-mounted slim scan module
Patent number
5,984,188
Issue date
Nov 16, 1999
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanners having dual surface optical elements for dual work...
Patent number
5,859,417
Issue date
Jan 12, 1999
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Terminal with slim scan module with generally orthogonal circuit bo...
Patent number
5,714,746
Issue date
Feb 3, 1998
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Scanning module with spring made resistant to overflexing
Patent number
5,693,929
Issue date
Dec 2, 1997
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Slim scan module with dual detectors
Patent number
5,682,029
Issue date
Oct 28, 1997
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Slim scan module with dual detectors
Patent number
5,552,592
Issue date
Sep 3, 1996
Symbol Technologies, Inc.
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Multi-channel signal processing in an optical reader
Publication number
20020162890
Publication date
Nov 7, 2002
Symbol Technologies, Inc., a Delaware corporation
David Tsi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Multipurpose lens holder for reading optically encoded indicia
Publication number
20020130183
Publication date
Sep 19, 2002
Igor R. Vinogradov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Optical scanner with segmented collection mirror
Publication number
20020060245
Publication date
May 23, 2002
Symbol Technologies, Inc., a Delaware corporation
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
One piece optical assembly for low cost optical scanner
Publication number
20020050521
Publication date
May 2, 2002
Paul Dvorkis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Multi-channel signal processing in an optical reader
Publication number
20010001473
Publication date
May 24, 2001
Symbol Technologies, Inc. Delaware corporation
David Tsi
G06 - COMPUTING CALCULATING COUNTING