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HK1027699A1 - An information transmission system and more precisely a telephone system - Google Patents

An information transmission system and more precisely a telephone system Download PDF

Info

Publication number
HK1027699A1
HK1027699A1 HK00105718A HK00105718A HK1027699A1 HK 1027699 A1 HK1027699 A1 HK 1027699A1 HK 00105718 A HK00105718 A HK 00105718A HK 00105718 A HK00105718 A HK 00105718A HK 1027699 A1 HK1027699 A1 HK 1027699A1
Authority
HK
Hong Kong
Prior art keywords
digital converter
analog
transmission line
directional
directional analog
Prior art date
Application number
HK00105718A
Other languages
English (en)
Chinese (zh)
Other versions
HK1027699B (en
Inventor
Prochazka Gerhard
Original Assignee
Flextronics International Gmbh & Co. Nfg. Kg
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
Application filed by Flextronics International Gmbh & Co. Nfg. Kg filed Critical Flextronics International Gmbh & Co. Nfg. Kg
Publication of HK1027699A1 publication Critical patent/HK1027699A1/xx
Publication of HK1027699B publication Critical patent/HK1027699B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13039—Asymmetrical two-way transmission, e.g. ADSL, HDSL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1309—Apparatus individually associated with a subscriber line, line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1322—PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Bidirectional Digital Transmission (AREA)
HK00105718.0A 1997-08-19 1998-08-12 An information transmission system and more precisely a telephone system HK1027699B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT138897 1997-08-19
AT0138897A AT408297B (de) 1997-08-19 1997-08-19 Nachrichtenübertragungssystem, insbesondere telephonsystem
PCT/AT1998/000190 WO1999009727A2 (de) 1997-08-19 1998-08-12 Nachrichtenübertragungssystem, insbesondere telephonsystem

Publications (2)

Publication Number Publication Date
HK1027699A1 true HK1027699A1 (en) 2001-01-19
HK1027699B HK1027699B (en) 2003-04-17

Family

ID=

Also Published As

Publication number Publication date
GB0005611D0 (en) 2000-05-03
BR9811915A (pt) 2000-09-05
WO1999009727A3 (de) 1999-05-14
ES2190863B1 (es) 2005-05-01
ATA138897A (de) 2001-02-15
AT408297B (de) 2001-10-25
AU8718098A (en) 1999-03-08
GB2344967B (en) 2002-08-28
WO1999009727A2 (de) 1999-02-25
PL338916A1 (en) 2000-11-20
ES2190863A1 (es) 2003-08-16
GB2344967A (en) 2000-06-21

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Legal Events

Date Code Title Description
AS Change of ownership

Owner name: FLEXTRONICS INTERNATIONAL GMBH & CO. NFG. KG

Free format text: FORMER OWNER(S): ERICSSON AHEAD COMMUNICATIONS SYSTEMS GMBH

CHPA Change of a particular in the register (except of change of ownership)
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20060812