An imaging system with multiple boot options and preferably implemented as an integrated system-on-a-chip (SOC) imaging system. According to the present invention, an imaging system can be operated in one or more operating modes enabled in a number of ways. The imaging system can boot using one or m
An imaging system with multiple boot options and preferably implemented as an integrated system-on-a-chip (SOC) imaging system. According to the present invention, an imaging system can be operated in one or more operating modes enabled in a number of ways. The imaging system can boot using one or more configurations stored either internally or externally, wherein a user can select a mode of operation or configure the imaging system for different applications. Consequently, multiple applications and, thus, market segments can be served by essentially the same hardware, while application-specific customization can be achieved by configuring the system from a plurality of boot options according to the intended application. In addition, the present invention enables loading new software, adding a new capability, such as interfacing with a new type of device, or implementing a special troubleshooting operating mode for maintenance and diagnostics. This simplifies development of imaging systems and can result in more efficient product support.
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1. An imaging system comprising an image sensor, a memory, and a processor, wherein:the image sensor is configured to generate image signals corresponding to an image of a scene;the processor is configured to control operations of the imaging system in one or more operating modes enabled by one or m
1. An imaging system comprising an image sensor, a memory, and a processor, wherein:the image sensor is configured to generate image signals corresponding to an image of a scene;the processor is configured to control operations of the imaging system in one or more operating modes enabled by one or more configurations accessible by the processor; andthe memory is configured to store the one or more configurations accessed by the processor to control the operations of the imaging system, wherein the imaging system further comprises interface pins, wherein a voltage pattern applied to the interface pins determines which of the one or more configurations is accessed by the processor.2. The invention of claim 1, wherein:the image sensor, the memory, and the processor are implemented as an SOC in a single integrated circuit;the image sensor is a digital pixel sensor that generates digital image signals for storage in the memory; andthe memory is further configured to store image data corresponding to the image signals.3. The invention of claim 1, wherein the one or more configurations are stored in the imaging system.4. The invention of claim 1, wherein the processor is configured to access at least one of the configurations from an external source.5. The invention of claim 4, wherein the imaging system is configured to add from the external source new software corresponding to a new operating mode.6. The invention of claim 1, wherein the imaging system is configured to operate in a still camera mode and a video camera mode.7. The invention of claim 6, wherein the imaging system is further configured to operate in a troubleshooting operating mode.8. A method for fabricating an imaging system comprising the steps of:(a) forming an image sensor;(b) forming a memory; and(c) forming a processor, wherein:the image sensor is configured to generate image signals corresponding to an image of a scene;the processor is configured to control operations of the imaging system in one or more operating modes enabled by one or more configurations accessible by the processor; andthe memory is configured to store the one or more configurations accessed by the processor to control the operations of the imaging system, wherein the imaging system further comprises interface pins, wherein a voltage pattern applied to the interface pins determines which of the one or more configurations is accessed by the processor.9. The invention of claim 8, wherein:the image sensor, the memory, and the processor are implemented as an SOC in a single integrated circuit;the image sensor is a digital pixel sensor that generates digital image signals for storage in the memory; andthe memory is further configured to store image data corresponding to the image signals.10. The invention of claim 8, wherein the one or more configurations are stored in the imaging system.11. The invention of claim 8, wherein the processor is configured to access at least one of the configurations from an external source.12. The invention of claim 8, wherein the imaging system is configured to operate in a still camera mode and a video camera mode.13. A method of operating an imaging system, the imaging system comprising an image sensor, a memory, a processor, and interface pins, the method comprising the steps of:(1) applying a voltage pattern to the interface pins; and(2) accessing a configuration corresponding to the voltage pattern, wherein:the image sensor is configured to generate image signals corresponding to an image of a scene;the processor is configured to control operations of the imaging system in one or more operating modes, wherein the accessed configuration enables at least one of the operating modes; andthe memory is configured to store one or more configurations accessible by the processor.14. The invention of claim 13, wherein the voltage pattern applied in step (1) corresponds to logical “0” and logical “1” values.15. The invention of claim 13, wherein the configuration accessed in step (2) is stored in the imaging system.16. The invention of claim 13, wherein step (2) comprises the step of accessing the configuration from an external source.17. The invention of claim 16, wherein step (2) further comprises the step of receiving the configuration from the external source for storage in the imaging system.18. The invention of claim 13, further comprising the steps of:(3) applying different voltage pattern to the interface pins; and(4) changing operating mode.
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이 특허에 인용된 특허 (10)
Chevallier, Christophe J., CMOS imager with integrated non-volatile memory.
Sarbadhikari Kamal K. (Penfield NY) Fredlund John R. (Rochester NY) Parulski Kenneth A. (Rochester NY), Electronic imaging system using a removable software-enhanced storage device.
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