IT1108833B - ELECTRICAL COMMUNICATIONS SYSTEM - Google Patents

ELECTRICAL COMMUNICATIONS SYSTEM

Info

Publication number
IT1108833B
IT1108833B IT25005/78A IT2500578A IT1108833B IT 1108833 B IT1108833 B IT 1108833B IT 25005/78 A IT25005/78 A IT 25005/78A IT 2500578 A IT2500578 A IT 2500578A IT 1108833 B IT1108833 B IT 1108833B
Authority
IT
Italy
Prior art keywords
communications system
electrical communications
electrical
communications
Prior art date
Application number
IT25005/78A
Other languages
Italian (it)
Other versions
IT7825005A0 (en
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7825005A0 publication Critical patent/IT7825005A0/en
Application granted granted Critical
Publication of IT1108833B publication Critical patent/IT1108833B/en

Links

Classifications

    • 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
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H04N1/001—Systems or arrangements for the transmission of the picture signal specially adapted for transmission via digital wireline networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Facsimiles In General (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
IT25005/78A 1977-06-30 1978-06-27 ELECTRICAL COMMUNICATIONS SYSTEM IT1108833B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2729689A DE2729689B1 (en) 1977-06-30 1977-06-30 Communication system

Publications (2)

Publication Number Publication Date
IT7825005A0 IT7825005A0 (en) 1978-06-27
IT1108833B true IT1108833B (en) 1985-12-09

Family

ID=6012865

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25005/78A IT1108833B (en) 1977-06-30 1978-06-27 ELECTRICAL COMMUNICATIONS SYSTEM

Country Status (22)

Country Link
JP (1) JPS5413722A (en)
AR (1) AR227616A1 (en)
AT (1) AT361990B (en)
AU (1) AU518649B2 (en)
BE (1) BE868634A (en)
BR (1) BR7804167A (en)
CA (1) CA1108325A (en)
CH (1) CH634702A5 (en)
DE (1) DE2729689B1 (en)
DK (1) DK294678A (en)
FI (1) FI782046A (en)
FR (1) FR2396478B1 (en)
GB (1) GB1603898A (en)
IE (1) IE46933B1 (en)
IT (1) IT1108833B (en)
LU (1) LU79894A1 (en)
MX (1) MX145070A (en)
NL (1) NL7806930A (en)
NO (1) NO148658C (en)
SE (1) SE423588B (en)
YU (1) YU155478A (en)
ZA (1) ZA783426B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE1263T1 (en) * 1978-06-20 1982-07-15 Siemens Aktiengesellschaft Berlin Und Muenchen MESSAGE TRANSMISSION SYSTEM.
DE2917570B1 (en) * 1979-04-30 1980-05-14 Telefonbau & Normalzeit Gmbh Circuit arrangement for a digital telephone subscriber station
DE2919618C2 (en) * 1979-05-16 1981-06-19 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for telephone sets connected to PCM connection lines
DE3028155C2 (en) * 1980-07-25 1982-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digital subscriber line for telephony, including text and data services
DE3033871C2 (en) * 1980-09-09 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Messaging system
CA1189181A (en) * 1981-05-08 1985-06-18 Stephane Guerillot Process and device for the recreation of a brightness analog signal from a digital signal
FR2505588B1 (en) * 1981-05-08 1985-12-06 Agence France Presse SYSTEM FOR THE DIGITAL TRANSMISSION OF INFORMATION IN THE FORM OF ANALOG SIGNALS
JPS58138155A (en) * 1982-02-12 1983-08-16 Nippon Telegr & Teleph Corp <Ntt> Selective connection system for composite terminal
DE3217430A1 (en) * 1982-05-08 1983-11-10 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for a digital telecommunications switching system for pulse code and pulse delta modulation
GB2159367B (en) * 1984-05-25 1987-11-04 Stc Plc Telephone exchanges
JPS6120465A (en) * 1984-07-06 1986-01-29 Toshiba Corp Data collecting system
CA1278121C (en) * 1987-12-23 1990-12-18 Michael H. Reichmann Data communication system

Also Published As

Publication number Publication date
FI782046A (en) 1978-12-31
ATA474678A (en) 1980-09-15
AU518649B2 (en) 1981-10-15
AU3710478A (en) 1979-12-20
IT7825005A0 (en) 1978-06-27
FR2396478B1 (en) 1986-03-07
LU79894A1 (en) 1980-01-22
GB1603898A (en) 1981-12-02
JPS5413722A (en) 1979-02-01
AR227616A1 (en) 1982-11-30
SE7807377L (en) 1978-12-31
ZA783426B (en) 1979-06-27
NL7806930A (en) 1979-01-03
CH634702A5 (en) 1983-02-15
IE46933B1 (en) 1983-11-02
DK294678A (en) 1978-12-31
BR7804167A (en) 1979-04-10
NO148658C (en) 1983-11-16
CA1108325A (en) 1981-09-01
MX145070A (en) 1982-01-04
FR2396478A1 (en) 1979-01-26
DE2729689B1 (en) 1978-12-07
NO148658B (en) 1983-08-08
SE423588B (en) 1982-05-10
YU155478A (en) 1982-06-30
IE781186L (en) 1978-12-30
NO782243L (en) 1979-01-03
BE868634A (en) 1979-01-02
AT361990B (en) 1981-04-10

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