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Lutkemeyer
Christian A. Lutkemeyer, Irvine, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110206109 | System and Method for High Speed Communications Using Digital Signal Processing - Various systems and methods related to equalization precoding in a communications channel are disclosed. In one implementation precoding is performed on signals transmitted over an optical channel. In one implementation precoding and decoding operations are performed in parallel to facilitate high speed processing in relatively low cost circuits. Initialization of the precoders may be realized by transmitting information related to the characteristics of the channel between transceiver pairs. | 08-25-2011 |
Christian A.j. Lutkemeyer, Irvine, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100303144 | ARCHITECTURE FOR VERY HIGH-SPEED DECISION FEEDBACK SEQUENCE ESTIMATION - A method for providing a next-cycle input sample from a decision feedback equalizer to a symbol decoder using look-ahead computations such that timing contention between the decision feedback equalizer and the symbol decoder is reduced. During a symbol period, a set of possible values is computed in the decision feedback equalizer and a set of path memory symbols is computed in the symbol decoder, the set of path memory symbols being based on a current input sample. During the same symbol period, one of the possible values is selected as the next-cycle input sample based on at least one of the next-cycle path memory symbols produced from the symbol decoder. | 12-02-2010 |
Ercio Lutkemeyer, Caxias Do Sul BR
| Patent application number | Description | Published |
|---|---|---|
| 20080265199 | ZERO LEAKAGE BALANCE VALVE SYSTEM - A valve assembly for a hydraulic device. The valve assembly has a valve seat within a valve passageway used in combination with a spool. The spool has a first section wherein a flexible element is disposed within a cavity of the first section such that in a first position the spool and specifically the flexible element engages the valve seat to provide zero leakage from the valve passageway into a tank passageway. Additionally, the spool is designed to have an additional section at a second end to provide equal sealing areas at both the first and second ends of the spool to balance the forces within the valve passageway. | 10-30-2008 |