JPS5127014A
(en)
*
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1974-08-30 |
1976-03-06 |
Fujitsu Ltd |
Hidokisetsuzokuhoshiki |
FR2320023A1
(fr)
*
|
1975-07-28 |
1977-02-25 |
Constr Telephoniques |
Procede et dispositif de resynchronisation d'informations entrantes structurees en trames
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SE399773B
(sv)
*
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1977-03-01 |
1978-02-27 |
Ellemtel Utvecklings Ab |
Adress- och avbrottsignalgenerator
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(en)
*
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1979-09-27 |
1981-09-01 |
Communications Satellite Corporation |
Interleaved TDMA terrestrial interface buffer
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*
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1981-10-13 |
1986-08-05 |
Victor Company Of Japan, Limited |
Memory control circuit for removing jitter
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GB2129657B
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*
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1982-11-05 |
1986-02-12 |
Int Standard Electric Corp |
Circuit arrangement for transmitting digital signals in a communication system particularly in a pcm telephone private branch exchange
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GB2229067A
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*
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1989-02-02 |
1990-09-12 |
Motorola Canada Ltd |
Retiming buffer for connecting binary data channels
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1998-09-03 |
2000-12-12 |
Advanced Micro Devices, Inc. |
Network interface device architecture for storing transmit and receive data in a random access buffer memory across independent clock domains
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1998-09-03 |
2000-11-28 |
Advanced Micro Devices, Inc. |
Apparatus and method in a network interface device for storing receiving frame status in a holding register
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1999-03-08 |
2002-04-30 |
International Business Machines Corporation |
Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup
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1999-03-08 |
2002-05-14 |
International Business Machines Corporation |
Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments
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1999-03-08 |
2002-11-26 |
International Business Machines Corporation |
Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems
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1999-03-08 |
2003-04-22 |
International Business Machines Corporation |
Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations
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1999-03-08 |
2006-02-21 |
Lenovo (Singapore) Pte. Ltd. |
Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem
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1999-03-08 |
2003-12-09 |
International Business Machines Corporation |
Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector
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1999-03-08 |
2002-01-22 |
International Business Machines Corporation |
Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto
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1999-05-20 |
2003-12-09 |
International Business Machines Corporation |
Systems methods and computer program products for generating and optimizing signal constellations
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1999-10-29 |
2004-06-22 |
International Business Machines Corporation |
Systems, methods and computer program products for averaging learned levels in the presence of digital impairments based on patterns
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1999-10-29 |
2003-12-09 |
International Business Machines Corporation |
Systems, methods, and computer program products for controlling the error rate in a communication device by adjusting the distance between signal constellation points
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1999-10-29 |
2004-09-14 |
International Business Machines Corporation |
Modems having a dual power mode capability and methods of operating same
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1999-10-29 |
2004-07-20 |
International Business Machines Corporation |
Methods, systems and computer program products establishing a communication configuration for a modem connection to compensate for echo noise
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1999-10-29 |
2005-11-22 |
International Business Machines Corporation |
Methods, systems and computer program products for carrier drop detection using a variable threshold
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1999-10-29 |
2003-11-18 |
International Business Machines Corporation |
Systems, methods and computer program products for identifying digital impairments in modem signals
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1999-10-29 |
2005-01-04 |
International Business Machines Corporation |
System, methods and computer program products for identifying digital impairments in modem signals using signature analysis and signal level comparison analysis
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1999-10-29 |
2004-11-23 |
International Business Machines Corporation |
Methods, systems and computer program products for monitoring performance of a modem during a connection
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1999-10-29 |
2004-09-14 |
International Business Machines Corporation |
Systems, methods and computer program products for averaging learned levels in the presence of robbed-bit signaling based on proximity
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1999-10-29 |
2004-11-30 |
International Business Machines Corporation |
Systems, methods, and computer program products for controlling data rate reductions in a communication device by using a plurality of filters to detect short-term bursts of errors and long-term sustainable errors
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(en)
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1999-10-29 |
2003-08-26 |
International Business Machines Corporation |
Systems, methods and computer program products for data mode refinement of modem constellation points
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(en)
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1999-10-29 |
2004-11-23 |
International Business Machines Corporation |
Systems, methods and computer program products for filtering glitches from measured values in a sequence of code points
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1999-10-29 |
2003-01-07 |
International Business Machines Corporation |
Systems methods and computer program products for controlling undesirable bias in an equalizer
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US6816545B1
(en)
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1999-10-29 |
2004-11-09 |
International Business Machines Corporation |
Systems, methods and computer program products for identifying digital impairments in modems based on clusters and/or skips in pulse code modulation signal levels
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