CH537125A - PCM-Übertragungsverfahren - Google Patents

PCM-Übertragungsverfahren

Info

Publication number
CH537125A
CH537125A CH1773270A CH1773270A CH537125A CH 537125 A CH537125 A CH 537125A CH 1773270 A CH1773270 A CH 1773270A CH 1773270 A CH1773270 A CH 1773270A CH 537125 A CH537125 A CH 537125A
Authority
CH
Switzerland
Prior art keywords
transmission method
pcm transmission
pcm
transmission
Prior art date
Application number
CH1773270A
Other languages
English (en)
Inventor
Dieter Dr Schenkel
Original Assignee
Licentia Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19691960077 external-priority patent/DE1960077C/de
Application filed by Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH537125A publication Critical patent/CH537125A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H04J4/005—Transmultiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CH1773270A 1969-11-29 1970-11-30 PCM-Übertragungsverfahren CH537125A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691960077 DE1960077C (de) 1969-11-29 PCM-Übertragungssystem

Publications (1)

Publication Number Publication Date
CH537125A true CH537125A (de) 1973-05-15

Family

ID=5752516

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1773270A CH537125A (de) 1969-11-29 1970-11-30 PCM-Übertragungsverfahren

Country Status (4)

Country Link
US (1) US3683120A (de)
JP (1) JPS5019203B1 (de)
CH (1) CH537125A (de)
FR (1) FR2072546A5 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2236313A1 (en) * 1973-07-05 1975-01-31 Cit Alcatel Converter unit for telephone channel links - allows connection of frequency and time multiplex channels
US4393491A (en) * 1980-11-05 1983-07-12 Anaconda-Ericsson Automatic self-test system for a digital multiplexed telecommunication system
US6341360B1 (en) 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
US7003030B2 (en) 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
US6661837B1 (en) 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
US6389064B1 (en) 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
US6553518B1 (en) 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
US6487243B1 (en) 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
US6381267B1 (en) 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
US6661847B1 (en) 1999-05-20 2003-12-09 International Business Machines Corporation Systems methods and computer program products for generating and optimizing signal constellations
US6826157B1 (en) 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
US6816545B1 (en) 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
US6823017B1 (en) 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
US6765955B1 (en) 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
US6754258B1 (en) 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
US6823004B1 (en) 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
US6611563B1 (en) 1999-10-29 2003-08-26 International Business Machines Corporation Systems, methods and computer program products for data mode refinement of modem constellation points
US6792004B1 (en) 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
US6967995B1 (en) 1999-10-29 2005-11-22 International Business Machines Corporation Methods, systems and computer program products for carrier drop detection using a variable threshold
US6839382B1 (en) 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
US6505222B1 (en) 1999-10-29 2003-01-07 International Business Machines Corporation Systems methods and computer program products for controlling undesirable bias in an equalizer
US6792040B1 (en) 1999-10-29 2004-09-14 International Business Machines Corporation Modems having a dual power mode capability and methods of operating same
US6662322B1 (en) 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
US6650657B1 (en) 1999-10-29 2003-11-18 International Business Machines Corporation Systems, methods and computer program products for identifying digital impairments in modem signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE510591A (de) * 1951-04-12
US3082296A (en) * 1958-05-01 1963-03-19 Itt Single side-band multichannel carrier system
GB963653A (en) * 1962-03-23 1964-07-15 Ass Elect Ind Improvements relating to multi-channel communication systems

Also Published As

Publication number Publication date
DE1960077A1 (de) 1971-06-09
DE1960077B2 (de) 1971-11-18
US3683120A (en) 1972-08-08
FR2072546A5 (de) 1971-09-24
JPS5019203B1 (de) 1975-07-04

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Legal Events

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