
US Patent No: 5,678,056
Number of patents in Portfolio can not be more than 2000
Method and apparatus for control of serial communication by changing address conditions during and after communication start up
Stats
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Oct 14, 1997
Issued date -
Feb 27, 1995
filing date -
08/395,091
serial no -
In Force
status
Importance
Abstract
In a serial communication control device comprising first active and second reserved function blocks and a CPU section for delivering to the function blocks a serial datum comprising an address and a data value, an address giving arrangement gives a common value as the address value to the first and the second function blocks upon start up of the serial datum and first and second unique values as the address values to the first and the second function blocks after the start up to make the function blocks produce the data value corresponding to the address values coincident with the common or one of the first and the second unique values. Preferably, the second function block comprises an address selector in which the common value is set and which is quiescent to the first unique value given to the first function block after the start up. The common value may be identical with the first unique value during the build up.
First Claim
Related Publications
International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,930,118 Frame-interval fault detection in a demand assignment TDMA communication system | 42 | 1988 | |
| 5,247,692 Multiple file system having a plurality of file units holding the same files in which loss of data is prevented in a failure of a file unit | 23 | 1992 | |
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| 4,739,321 Decentralized line reservation interface within a local data network | 12 | 1983 | |
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| 5,138,615 Reconfiguration system and method for high-speed mesh connected local area network | 202 | 1989 | |
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| 4,736,409 Control data transmission system for private branch exchange | 35 | 1986 | |