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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0012492 (2008-02-01) |
| 등록번호 | US-8100331 (2012-01-24) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 346 |
A digital image capture and processing system having single printed circuit (PC) board with light transmission aperture, wherein a first linear array of visible light emitting diodes (LEDs) are mounted on the rear side of the PC board for producing a targeting illumination beam, and wherein a second
A digital image capture and processing system having single printed circuit (PC) board with light transmission aperture, wherein a first linear array of visible light emitting diodes (LEDs) are mounted on the rear side of the PC board for producing a targeting illumination beam, and wherein a second linear array of visible light emitting diodes (LEDs) are mounted on the front side of the PC board for producing a field of visible illumination within the field of view (FOV) of the system. The targeting illumination beam is centrally disposed within the field of visible illumination.
1. A digital image capture and processing system comprising: a housing having an imaging window with an illumination-focusing lens structure integrated within said imaging window;a printed circuit (PC) board mounted in said housing, and having a front surface and a rear surface and a light transmiss
1. A digital image capture and processing system comprising: a housing having an imaging window with an illumination-focusing lens structure integrated within said imaging window;a printed circuit (PC) board mounted in said housing, and having a front surface and a rear surface and a light transmission aperture formed centrally through said PC board;an image formation and detection subsystem, disposed in said housing, and having image formation optics for projecting a field of view (FOV) through said imaging window and upon an object within said FOV, and an area-type image detection array, mounted on the rear surface of said PC board, for forming and detecting one or more 2D digital images of the object during object illumination and imaging operations;a first FOV folding mirror supported above the rear surface of said PC board over said light transmission aperture, and a second FOV folding mirror supported above the rear surface of said PC board and over said area-type image detection array, for projecting said FOV off said first and second FOV folding mirrors and through said light transmission aperture and said imaging window, and towards the object within said FOV outside of said housing; anda LED-based illumination subsystem, disposed in said housing, including a linear array of light emitting diodes (LEDs) mounted on the front surface of said PC board, adjacent said light transmission aperture, for generating and projecting a field of illumination through said imaging window and within said FOV, towards the object within said FOV outside of said housing, so that illumination reflected and/or scattered off the object is retransmitted through said imaging window, reflected off said first and second FOV folding mirrors, and detected by said area-type image detection array. 2. The digital image capture and processing system of claim 1, which further comprises an automatic illumination control subsystem, disposed in said housing, for controlling the operation of said LED-based illumination subsystem during object illumination and imaging operations. 3. The digital image capture and processing system of claim 1, wherein said optical axis of said image formation optics is disposed perpendicular to the said PC board. 4. The digital image capture and processing system of claim 1, wherein said PC board is substantially spatially aligned with said imaging window when said PC board is mounted within said housing. 5. The digital image capture and processing system of claim 1, wherein said linear array of LEDs comprises a linear array of visible LEDs. 6. The digital image capture and processing system of claim 1, wherein said field of illumination is a narrow-band field of illumination generated by said linear array of LEDs and covering substantially the entire region of said FOV along said working distance. 7. The digital image capture and processing system of claim 6, wherein said image formation and detection subsystem further comprises: a band-pass optical filter subsystem allowing only narrow-band illumination generated from said LED-based illumination subsystem to expose said area-type image detection array during object illumination and imaging operations. 8. The digital image capture and processing system of claim 7, wherein said band-pass optical filter subsystem comprises: a high-pass optical filter element embodied within said imaging window; anda low-pass optical filter element disposed before said image detection array, andwherein said high-pass and low-pass optical filter elements optically cooperate to form said narrow-band optical filter subsystem for transmitting said narrow-band of illumination produced from said LED-based illumination subsystem and reflected/scattered off the illuminated object, while rejecting all other optical wavelengths outside said narrow-band. 9. The digital image capture and processing system of claim 8, wherein said low-pass optical filter is realized on the surface of at least one of said first and second FOV folding mirrors. 10. The digital image capture and processing system of claim 1, which further comprises: an image capturing and buffering subsystem, disposed in said housing, for capturing and buffering said one or more 2-D digital images detected by said image formation and detection subsystem; anda digital image processing subsystem, disposed in said housing, for processing said one or more 2D digital images captured and buffered by said image capturing and buffering subsystem so as to read one or more 1D and/or 2D code symbols graphically represented in said one or more 2D digital images. 11. The digital image capture and processing system of claim 10, which further comprises: an input/output subsystem, disposed in said housing, for outputting processed image data and the like to an external host system or other information receiving or responding device; anda system control subsystem, disposed in said housing, for controlling and/or coordinating said subsystems during object illumination and imaging operations. 12. The digital image capture and processing system of claim 10, wherein said one or more code symbols are selected from the group consisting of 1D bar code symbols, 2D bar code symbols, PDF symbols and datamatrix symbols. 13. The digital image capture and processing system of claim 1, wherein said housing is a hand-supportable housing. 14. The digital image capture and processing system of claim 1, wherein said housing is a countertop-surface supportable housing. 15. A digital image capture and processing system comprising: a housing having an imaging window;a printed circuit (PC) board mounted in said housing, and having a front surface and a rear surface and a light transmission aperture formed centrally through said PC band;an image formation and detection subsystem, disposed in said housing, and having image formation optics for projecting a field of view (FOV) through said imaging window and upon an object within said FOV, and an area-type image detection array, mounted on the rear surface of said PC board, for forming and detecting one or more 2D digital images of the object during object illumination and imaging operations;a first FOV folding mirror supported above the rear surface of said PC board over said light transmission aperture, and a second FOV folding mirror supported above the rear surface of said PC board and over said area-type image detection array, for projecting said FOV off said first and second FOV folding mirrors and through said light transmission aperture and said imaging window, and towards the object within said FOV outside of said housing; anda LED-based illumination subsystem, disposed in said housing, including an array of light emitting diodes (LEDs), for generating and projecting a field of illumination through said imaging window and within said FOV, towards the object within said FOV outside of said housing, so that illumination reflected and/or scattered off the object is retransmitted through said imaging window, reflected off said first and second FOV folding mirrors, and detected by said area-type image detection array. 16. The digital image capture and processing system of claim 15, wherein said array of LEDs comprises an array of visible LEDs mounted on the front surface of said PC board adjacent said light transmission aperture. 17. The digital image capture and processing system of claim 15, which further comprises: an image capturing and buffering subsystem, disposed in said housing, for capturing and buffering said one or more 2-D digital images detected by said image formation and detection subsystem; anda digital image processing subsystem, disposed in said housing, for processing said one or more 2D digital images captured and buffered by said image capturing and buffering subsystem so as to read one or more 1D and/or 2D code symbols graphically represented in said one or more 2D digital images. 18. The digital image capture and processing system of claim 15, wherein said one or more code symbols are selected from the group consisting of 1D bar code symbols, 2D bar code symbols, PDF symbols and datamatrix symbols. 19. The digital image capture and processing system of claim 15, wherein said housing is a hand-supportable housing. 20. The digital image capture and processing system of claim 15, wherein said housing is a countertop-surface supportable housing.
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