Pre-Grant Publication Number: 20110040999
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Prior Art Detail
Summary / Description
| Summary / Description | Intel 8259 is a family of Programmable Interrupt Controllers (PICs) |
Basic Information
| Type of Prior Art | Online Publication |
| URL | http://en.wikipedia.org/wiki/In... |
| Author/Creator | |
| Title | Intel 8259 |
| Publication Date | 1981 |
| Publisher | wikipedia.org |
| Directions to Document Location | |
| Additional Information | The publication date is based on the Intel 8259 being included in the original PC in 1981. |
Notes / To Do
| Notes | Prior art provided by Justin Bandholz, IBM, and submitted by Diane Willis. |
Excerpt
Excerpt The 8259 acts as a multiplexer, combining multiple interrupt input sources into a single interrupt output to interrupt a single device. |
Relevance
Claims
24
Relevance
This claim appears to describe the functions of a Programmable Interrupt Controller, the Intel 8259A being a prime example (http://en.wikipedia.org/wiki/Intel_8259).
This claim represent material that one "skilled in the art" should know, especially computer or electrical engineers with a digital design focus.
This claim appears to describe the functions of a Programmable Interrupt Controller, the Intel 8259A being a prime example (http://en.wikipedia.org/wiki/Intel_8259).
This claim represent material that one "skilled in the art" should know, especially computer or electrical engineers with a digital design focus.
Claim Chart
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