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公开(公告)号：JPH04260985A
公开(公告)日：1992-09-16
申请号：JP19401391
申请日：1991-08-02
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD , GOREN DAVID , BIUSO TONY
Abstract: PURPOSE: To provide a highly practical and reliable and inexpensive hand-carry type scanning device for using a non-laser light source without errors. CONSTITUTION: A light beam is radiated from a light emitting diode so as to read a symbol, a bar code symbol for instance, and reflected light returned from the symbol is received. An optical system inside this scanning device converges the visual field of the light beam 11 and a photosensor 17 to different two planes present at the outside of a housing. A device for image-forming a vision checking window is installed inside the scanning device and the area of the vision checking window is smaller than the one of a scanning spot. The scanning device uses the light emitting diode (LED) 10 as the light source, and since the LED 10 views only the part of the scanning spot viewable through the vision checking window, the scanning spot of the relatively large size (about several millimeters) of the LED 10 is used without sacrificing read performance.
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公开(公告)号：ZA912756B
公开(公告)日：1992-04-29
申请号：ZA912756
申请日：1991-04-12
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METITSKY BORIS , BORIS METITSKY , SWARTZ JEROME , JEROME SWARTZ , BARKAN EDWARD , EDWARD BARKAN , SHEPARD HOWARD M , HOWARD M SHEPARD , GOREN DAVID , DAVID GOREN , BIUSO TONY , TONY BIUSO
Abstract: A portable scanning head emits and receives light from a light-emitting diode (10) to read symbols, such as bar-code symbols. The optics (12,18) within the scanner are operative for focusing a light beam (11) and the view of a light sensor (17) in different planes (13,22) exteriorly of a scanner housing. Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED (10) as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode (17) "sees" only that portion of the scan spot visible through the viewing window.
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公开(公告)号：DE69131062T2
公开(公告)日：1999-10-28
申请号：DE69131062
申请日：1991-06-28
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD M , GOREN DAVID , BIUSO TONY
Abstract: A portable scanning head emits and receives light from a light-emitting diode (10) to read symbols, such as bar-code symbols. The optics (12,18) within the scanner are operative for focusing a light beam (11) and the view of a light sensor (17) in different planes (13,22) exteriorly of a scanner housing. Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED (10) as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode (17) "sees" only that portion of the scan spot visible through the viewing window.
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公开(公告)号：GB2246653A
公开(公告)日：1992-02-05
申请号：GB9112224
申请日：1991-06-06
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD , GOREN DAVID , BIUSO TONY
Abstract: A portable scanning head emits and receives light from a light-emitting diode (10) to read symbols, such as bar-code symbols. The optics (12,18) within the scanner are operative for focusing a light beam (11) and the view of a light sensor (17) in different planes (13,22) exteriorly of a scanner housing. Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED (10) as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode (17) "sees" only that portion of the scan spot visible through the viewing window.
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公开(公告)号：AT178419T
公开(公告)日：1999-04-15
申请号：AT91110750
申请日：1991-06-28
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD M , GOREN DAVID , BIUSO TONY
Abstract: A portable scanning head emits and receives light from a light-emitting diode (10) to read symbols, such as bar-code symbols. The optics (12,18) within the scanner are operative for focusing a light beam (11) and the view of a light sensor (17) in different planes (13,22) exteriorly of a scanner housing. Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED (10) as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode (17) "sees" only that portion of the scan spot visible through the viewing window.
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Patent Agency Ranking
公开(公告)号：AU657865B2
公开(公告)日：1995-03-23
申请号：AU4199693
申请日：1993-07-15
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD M , GOREN DAVID , BIUSO TONY
IPC: G06K7/10
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公开(公告)号：AU4199693A
公开(公告)日：1993-10-14
申请号：AU4199693
申请日：1993-07-15
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD M , GOREN DAVID , BIUSO TONY
IPC: G06K7/10
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公开(公告)号：ZA9102756B
公开(公告)日：1992-04-29
申请号：ZA9102756
申请日：1991-04-12
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METITSKY BORIS , BORIS METITSKY , SWARTZ JEROME , JEROME SWARTZ , BARKAN EDWARD , EDWARD BARKAN , SHEPARD HOWARD M , HOWARD M SHEPARD , GOREN DAVID , DAVID GOREN , BIUSO TONY , TONY BIUSO
CPC classification number: G06K7/10881 , G06K2207/1013
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公开(公告)号：BR9102294A
公开(公告)日：1992-04-28
申请号：BR9102294
申请日：1991-05-29
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD M , GOREN DAVID , BIUSO TONY
Abstract: A portable scanning head emits and receives light from a light-emitting diode (10) to read symbols, such as bar-code symbols. The optics (12,18) within the scanner are operative for focusing a light beam (11) and the view of a light sensor (17) in different planes (13,22) exteriorly of a scanner housing. Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED (10) as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode (17) "sees" only that portion of the scan spot visible through the viewing window.
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公开(公告)号：DE4125899C2
公开(公告)日：2000-03-02
申请号：DE4125899
申请日：1991-08-05
Applicant: SYMBOL TECHNOLOGIES INC
Inventor： METLITSKY BORIS , SWARTZ JEROME , BARKAN EDWARD , SHEPARD HOWARD M , GOREN DAVID , BIUSO TONY
Abstract: A portable scanning head emits and receives light from a light-emitting diode (10) to read symbols, such as bar-code symbols. The optics (12,18) within the scanner are operative for focusing a light beam (11) and the view of a light sensor (17) in different planes (13,22) exteriorly of a scanner housing. Imaging means are provided in the unit for imaging a viewing window. The viewing window has an area smaller than that of the scan spot. The system can employ an LED (10) as a light source and tolerate the relatively large-sized (on the order of millimeters) scan spot without sacrificing reading performance since the photodiode (17) "sees" only that portion of the scan spot visible through the viewing window.
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