ES367568A1 - Aparato de abonado para sistema telefonico en pcm. - Google Patents

Aparato de abonado para sistema telefonico en pcm.

Info

Publication number
ES367568A1
ES367568A1 ES367568A ES367568A ES367568A1 ES 367568 A1 ES367568 A1 ES 367568A1 ES 367568 A ES367568 A ES 367568A ES 367568 A ES367568 A ES 367568A ES 367568 A1 ES367568 A1 ES 367568A1
Authority
ES
Spain
Prior art keywords
station
bit
code
loop
tone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES367568A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES367568A1 publication Critical patent/ES367568A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Time-Division Multiplex Systems (AREA)
ES367568A 1968-05-23 1969-05-22 Aparato de abonado para sistema telefonico en pcm. Expired ES367568A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24694/68A GB1216759A (en) 1968-05-23 1968-05-23 Subscriber subset for p.c.m. telephone system

Publications (1)

Publication Number Publication Date
ES367568A1 true ES367568A1 (es) 1971-04-01

Family

ID=10215794

Family Applications (1)

Application Number Title Priority Date Filing Date
ES367568A Expired ES367568A1 (es) 1968-05-23 1969-05-22 Aparato de abonado para sistema telefonico en pcm.

Country Status (6)

Country Link
US (1) US3600518A (es)
CH (1) CH501348A (es)
ES (1) ES367568A1 (es)
FR (1) FR2009200A1 (es)
GB (1) GB1216759A (es)
NL (1) NL6907911A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165182A5 (es) * 1971-12-21 1973-08-03 Trt Telecom Radio Electr
GB1400237A (en) * 1972-11-10 1975-07-16 Gte International Inc Automatic telephone exchange system
US3814859A (en) * 1973-01-02 1974-06-04 Gte Automatic Electric Lab Inc Communication switching system transceiver arrangement for serial transmission
CA996691A (en) * 1974-10-16 1976-09-07 Northern Electric Company Limited Tow wire, full duplex data transmission system
US3961139A (en) * 1975-05-14 1976-06-01 International Business Machines Corporation Time division multiplexed loop communication system with dynamic allocation of channels
GB1576666A (en) * 1977-08-02 1980-10-15 Standard Telephones Cables Ltd Data transmission systems
AU535333B2 (en) * 1979-07-25 1984-03-15 L M Ericsson Pty. Ltd. Loop sharing in digital systems
US5121388A (en) * 1989-09-15 1992-06-09 At&T Bell Laboratories Time division multiplex system and method having a time slot reuse capability
FR2669487B1 (fr) * 1990-11-16 1994-09-16 Alcatel Business Systems Installation de telecommunications numerique privee a commutation interne directe.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3483329A (en) * 1966-02-11 1969-12-09 Ultronic Systems Corp Multiplex loop system
US3458661A (en) * 1966-06-21 1969-07-29 Bell Telephone Labor Inc Arrangement for providing partial service on a failed serially looped carrier system
US3519750A (en) * 1967-08-15 1970-07-07 Ultronic Systems Corp Synchronous digital multiplex communication system including switchover

Also Published As

Publication number Publication date
DE1925604A1 (de) 1969-12-04
NL6907911A (es) 1969-11-25
FR2009200A1 (es) 1970-01-30
DE1925604B2 (de) 1976-10-21
GB1216759A (en) 1970-12-23
US3600518A (en) 1971-08-17
CH501348A (de) 1970-12-31

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