ES443925A1 - Un aparato conmutador digital perfeccionado. - Google Patents

Un aparato conmutador digital perfeccionado.

Info

Publication number
ES443925A1
ES443925A1 ES443925A ES443925A ES443925A1 ES 443925 A1 ES443925 A1 ES 443925A1 ES 443925 A ES443925 A ES 443925A ES 443925 A ES443925 A ES 443925A ES 443925 A1 ES443925 A1 ES 443925A1
Authority
ES
Spain
Prior art keywords
main line
spaces
lines
interval
transmitting
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
ES443925A
Other languages
English (en)
Spanish (es)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 US05/537,211 external-priority patent/US4009343A/en
Priority claimed from US05/590,547 external-priority patent/US4032719A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of ES443925A1 publication Critical patent/ES443925A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18528—Satellite systems for providing two-way communications service to a network of fixed stations, i.e. fixed satellite service or very small aperture terminal [VSAT] system
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
ES443925A 1974-12-30 1975-12-29 Un aparato conmutador digital perfeccionado. Expired ES443925A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/537,211 US4009343A (en) 1974-12-30 1974-12-30 Switching and activity compression between telephone lines and digital communication channels
US05/590,547 US4032719A (en) 1975-06-26 1975-06-26 Modular slot interchange digital exchange

Publications (1)

Publication Number Publication Date
ES443925A1 true ES443925A1 (es) 1977-08-16

Family

ID=27065415

Family Applications (1)

Application Number Title Priority Date Filing Date
ES443925A Expired ES443925A1 (es) 1974-12-30 1975-12-29 Un aparato conmutador digital perfeccionado.

Country Status (6)

Country Link
CH (1) CH597726A5 (de)
DE (1) DE2558980C3 (de)
ES (1) ES443925A1 (de)
FR (1) FR2296983A1 (de)
NL (6) NL7515156A (de)
SE (1) SE422644B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110097411A (zh) * 2018-01-31 2019-08-06 阿里巴巴集团控股有限公司 一种对象列表生成方法、询价单列表生成方法及装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036649A1 (de) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Fernsprechvermittlungsnetz zur digitalen sprachuebertragung
US4630261A (en) * 1984-07-30 1986-12-16 International Business Machines Corp. Integrated buffer management and signaling technique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1259106A (fr) * 1959-05-04 1961-04-21 Western Electric Co Systèmes de communication à voies multiples
GB1057024A (en) * 1962-06-27 1967-02-01 Ass Elect Ind Improvements relating to multiplex transmission systems
JPS4933411B1 (de) * 1968-09-25 1974-09-06
CH517419A (de) * 1970-12-24 1971-12-31 Ibm Zeitmultiplex-Vermittlungseinrichtung
BE790495A (fr) * 1971-10-26 1973-04-24 Philips Nv Reseau de telecommunication a structure en etoile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110097411A (zh) * 2018-01-31 2019-08-06 阿里巴巴集团控股有限公司 一种对象列表生成方法、询价单列表生成方法及装置

Also Published As

Publication number Publication date
SE7514751L (sv) 1976-07-01
NL7515156A (nl) 1976-07-02
FR2296983B1 (de) 1978-05-19
NL7515157A (nl) 1976-07-02
FR2296983A1 (fr) 1976-07-30
DE2558980B2 (de) 1980-11-20
NL7515159A (nl) 1976-07-02
CH597726A5 (de) 1978-04-14
DE2558980C3 (de) 1985-04-18
NL7515161A (nl) 1976-07-02
NL7515160A (nl) 1976-07-02
SE422644B (sv) 1982-03-15
DE2558980A1 (de) 1976-07-08
NL7515158A (nl) 1976-07-02

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