DISTRIBUTED PULSE WIDTH MODULATION CONTROL
First Claim
Patent Images
1. A distributed pulse-width modulation system, comprising:
- an array of pulse-width modulation elements, each element comprising;
a digital memory for storing a multi-bit digital value, anda drive circuit that drives an output device in response to the multi-bit digital value stored in the digital memory; and
a system controller comprising;
a memory for storing a multi-bit digital value for each element, anda communication circuit for communicating each multi-bit digital value to each corresponding pulse-width modulation element.
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Abstract
A distributed pulse-width modulation system includes an array of pulse-width modulation elements, each element including a digital memory for storing a multi-bit digital value and a drive circuit that drives an output device in response to the multi-bit digital value stored in the digital memory. A system controller includes a memory for storing a multi-bit digital value for each element and a communication circuit for communicating each multi-bit digital value to each corresponding pulse-width modulation element.
23 Citations
22 Claims
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1. A distributed pulse-width modulation system, comprising:
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an array of pulse-width modulation elements, each element comprising; a digital memory for storing a multi-bit digital value, and a drive circuit that drives an output device in response to the multi-bit digital value stored in the digital memory; and a system controller comprising; a memory for storing a multi-bit digital value for each element, and a communication circuit for communicating each multi-bit digital value to each corresponding pulse-width modulation element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20)
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14. (canceled)
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21. A pixel circuit for a digital display system, comprising:
a digital memory for storing a multi-bit digital value and a drive circuit that drives a light emitter in response to the multi-bit digital value stored in the digital memory.
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22-23. -23. (canceled)
Specification