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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0975781 (2010-12-22) |
| 등록번호 | US-8366005 (2013-02-05) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 286 인용 특허 : 296 |
A hand-supportable digital image capture and processing system supporting a multi-tier modular software, and plug-in extendable, architecture. The digital image capture and processing system can be realized as an image-capturing cell phone, a digital camera, a video camera, mobile computing terminal
A hand-supportable digital image capture and processing system supporting a multi-tier modular software, and plug-in extendable, architecture. The digital image capture and processing system can be realized as an image-capturing cell phone, a digital camera, a video camera, mobile computing terminal and portable data terminal (PDT), provided with suitable hardware platform, communication protocols and user interfaces. A third-party customer can write and install a software plug-in into the application layer so as to enhance or modify the behavior of the hand-supportable digital image capture and processing system without any required knowledge of the hardware platform, communication protocols and/or user interfaces.
1. A hand-supportable digital image capture and processing system comprising: a hand-supportable housing having a light transmission window;a digital image formation and detection subsystem, disposed in said hand-supportable housing, and having (i) image formation optics for projecting a field of vi
1. A hand-supportable digital image capture and processing system comprising: a hand-supportable housing having a light transmission window;a digital image formation and detection subsystem, disposed in said hand-supportable housing, and having (i) image formation optics for projecting a field of view (FOV) through said light transmission window and upon an object to be imaged in said FOV, and (ii) an area-type image detecting array for detecting imaged light reflected off the object during illumination operations so as to detect one or more 2D digital images of the object formed on said area-type image detecting array;an illumination subsystem, disposed in said hand-supportable housing, and having at least one illumination source for producing and projecting a field of illumination within said FOV during the image capture mode;an illumination control subsystem disposed in said hand-supportable housing, for controlling the operation of said illumination subsystem during said image capture mode;an image capturing and buffering subsystem disposed in said hand-supportable housing, for capturing and buffering said one or more 2D digital images detected by said image formation and detection subsystem;a digital image processing subsystem, disposed in said hand-supportable 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 code symbols graphically represented in said 2D digital images, and producing symbol character data representative of said read one or more code symbols;a system control system for controlling and/or coordinating the operation of one or more of said subsystems above; anda computing platform for supporting the implementation of one or more of said subsystems above, and including (i) memory for storing at least one code symbol reading application, and (ii) a microprocessor for running at least one code symbol reading application; andwherein said memory comprises a memory architecture that supports a multi-tier modular software architecture characterized by an operating system (OS) layer and an application layer in which at least one said code symbol reading application is run and responsive to the generation of a triggering event within said hand-supportable digital image capture and processing system. 2. The hand-supportable digital image capture and processing system of claim 1, which further comprises: an input/output subsystem for transmitting said symbol character data to an external host system or other information receiving or responding device. 3. The hand-supportable digital image capture and processing system of claim 2, wherein said multi-tier modular software architecture further comprises an intermediate layer disposed between said application layer and said OS Layer. 4. The hand-supportable digital image capture and processing system of claim 2, wherein said computing platform implements said digital image processing subsystem, said input/output subsystem and said system control subsystem. 5. The hand-supportable digital image capture and processing system of claim 3, wherein said OS layer includes one or more software modules selected from the group consisting of an OS kernal module, an OS file system module, and device driver modules; wherein said intermediate layer includes one or more of software modules selected from the group consisting of a tasks manager module, an events dispatcher module, an input/output manager module, a user commands manager module, the timer subsystem module, an input/output subsystem module and an memory control subsystem module; wherein said application layer includes one or more software modules selected from the group consisting of a code symbol decoding module, a function programming module, an application events manager module, a user commands table module, and a command handler module. 6. The hand-supportable digital image capture and processing system of claim 3, wherein, prior to capturing one or more 2D digital images of the object, said microprocessor rapidly initializes said computing platform by performing the following operations: (1) accessing one or more software modules from said OS layer and executing code contained therein; (2) accessing one or more software modules from said intermediate layer and executing code contained therein; and (3) accessing one or more software modules from said application layer and executing code contained therein. 7. The hand-supportable digital image capture and processing system of claim 1, which further comprises an automatic object detection subsystem for automatically detecting the presence of the object in said FOV, and in response thereto, generating a trigger signal indicative of a triggering event. 8. A hand-supportable digital image capture and processing system, comprising: a digital image formation and detection subsystem, disposed in said hand-supportable housing, and having (i) image formation optics for projecting a field of view (FOV) through said light transmission window and upon an object to be imaged in said FOV, and (ii) an area-type image detecting array for detecting imaged light reflected off the object during illumination operations so as to detect one or more 2D digital images of the object formed on said area-type image detecting array;an illumination subsystem, disposed in said hand-supportable housing, and having at least one illumination source for producing and projecting a field of illumination within said FOV during the image capture mode;an illumination control subsystem disposed in said hand-supportable housing, for controlling the operation of said illumination subsystem during said image capture mode;an image capturing and buffering subsystem disposed in said hand-supportable housing, for capturing and buffering said one or more 2D digital images detected by said image formation and detection subsystem;a digital image processing subsystem, disposed in said hand-supportable 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 code symbols graphically represented in said 2D digital images, and producing symbol character data representative of said read one or more code symbols;a system control system for controlling and/or coordinating the operation of one or more of said subsystems above; anda computing platform for supporting the implementation of one or more of said subsystems above, and including (i) memory for storing at least one code symbol reading application, and (ii) a microprocessor for running at least one code symbol reading application; andwherein said memory comprises a memory architecture that supports a multi-tier modular software architecture characterized by an operating system (OS) layer and an application layer in which at least one said code symbol reading application is run and responsive to the generation of a triggering event within said hand-supportable digital image capture and processing system;wherein said computing platform further comprises Flash ROM for storing said at least one code symbol reading application, and RAM for storing said one or more 2D digital images captured and buffered by said image capturing and buffering subsystem. 9. The hand-supportable digital image capture and processing system of claim 8, wherein said hand-supportable housing contains all of said subsystems. 10. The hand-supportable digital image capture and processing system of claim 8, wherein said memory maintains system parameters used to configure said functions of said hand-supportable digital image capture and processing system. 11. A hand-supportable digital image capture and processing system comprising: a digital image formation and detection subsystem, disposed in said hand-supportable housing, and having (i) image formation optics for projecting a field of view (FOV) through said light transmission window and upon an object to be imaged in said FOV, and (ii) an area-type image detecting array for detecting imaged light reflected off the object during illumination operations so as to detect one or more 2D digital images of the object formed on said area-type image detecting array;an illumination subsystem, disposed in said hand-supportable housing, and having at least one illumination source for producing and projecting a field of illumination within said FOV during the image capture mode;an illumination control subsystem disposed in said hand-supportable housing, for controlling the operation of said illumination subsystem during said image capture mode;an image capturing and buffering subsystem disposed in said hand-supportable housing, for capturing and buffering said one or more 2D digital images detected by said image formation and detection subsystem;a digital image processing subsystem, disposed in said hand-supportable 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 code symbols graphically represented in said 2D digital images, and producing symbol character data representative of said read one or more code symbols;a system control system for controlling and/or coordinating the operation of one or more of said subsystems above; anda computing platform for supporting the implementation of one or more of said subsystems above, and including (i) memory for storing at least one code symbol reading application, and (ii) a microprocessor for running at least one code symbol reading application; andwherein said memory comprises a memory architecture that supports a multi-tier modular software architecture characterized by an operating system (OS) layer and an application layer in which at least one said code symbol reading application is run and responsive to the generation of a triggering event within said hand-supportable digital image capture and processing system;said computing platform implements said digital image processing subsystem, said input/output subsystem and said system control subsystem, and wherein said application layer includes said one or more libraries and said one or more libraries include one or more software modules selected from the group consisting of a code symbol decoding module, a function programming module, an application events manager module, a user commands table module, and a command handler module. 12. The digital image capture and processing system of claim 11, wherein an IR object detection software driver, located within said OS Layer, is installed automatically. 13. A digital image capture and processing system comprising: a digital image formation and detection subsystem, disposed in said hand-supportable housing, and having (i) image formation optics for projecting a field of view (FOV) through said light transmission window and upon an object to be imaged in said FOV, and (ii) an area-type image detecting array for detecting imaged light reflected off the object during illumination operations so as to detect one or more 2D digital images of the object formed on said area-type image detecting array;an illumination subsystem, disposed in said hand-supportable housing, and having at least one illumination source for producing and projecting a field of illumination within said FOV during the image capture mode;an illumination control subsystem disposed in said hand-supportable housing, for controlling the operation of said illumination subsystem during said image capture mode;an image capturing and buffering subsystem disposed in said hand-supportable housing, for capturing and buffering said one or more 2D digital images detected by said image formation and detection subsystem;a digital image processing subsystem, disposed in said hand-supportable 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 code symbols graphically represented in said 2D digital images, and producing symbol character data representative of said read one or more code symbols;a system control system for controlling and/or coordinating the operation of one or more of said subsystems above; anda computing platform for supporting the implementation of one or more of said subsystems above, and including (i) memory for storing at least one code symbol reading application, and (ii) a microprocessor for running at least one code symbol reading application; andwherein said memory comprises a memory architecture that supports a multi-tier modular software architecture characterized by an operating system (OS) layer and an application layer in which at least one said code symbol reading application is run and responsive to the generation of a triggering event within said hand-supportable digital image capture and processing system;wherein said hand-supportable digital image capture and processing system is realized as a mobile device selected from the group consisting of an image-capturing cell phone, a digital camera, a video camera, mobile computing terminal and portable data terminal (PDT), and each said mobile device being provided with a suitable hardware platform, communication protocols and user interfaces. 14. The hand-supportable digital image capture and processing system of claim 13, wherein said field illumination comprises narrow-band illumination produced from at least one light emitting diode (LED). 15. The hand-supportable digital image capture and processing system of claim 13, wherein said digital image processing subsystem processes said one or more 2D digital images, so as to read one or more code symbols graphically represented therein, and producing symbol character data representative of said read one or more 2D code symbols. 16. The hand-supportable digital image capture and processing system of claim 13, wherein each said code symbol is a bar code symbol selected from the group consisting of a 1D bar code symbol, a 2D bar code symbol, and a data matrix type code symbol structure. 17. The hand-supportable digital image capture and processing system of claim 13, which further comprises a trigger manually actuatable by an operator of said digital image capture and processing system so as to generate a trigger signal indicating a triggering event. 18. The hand-supportable digital image capture and processing system of claim 13, wherein a third-party customer can write and install a software plug-in into said application layer so as to enhance or modify the behavior of said hand-supportable digital image capture and processing system without any required knowledge of said hardware platform, communication protocols and/or user interfaces. 19. The hand-supportable digital image capture and processing system of claim 13, which further comprises: an input/output subsystem for transmitting said symbol character data to an external host system or other information receiving or responding device. 20. The hand-supportable digital image capture and processing system of claim 13, wherein said computing platform further comprises Flash ROM for storing said at least one code symbol reading application, and RAM for storing said one or more 2D digital images captured and buffered by said image capturing and buffering subsystem.
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