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
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)
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)
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)
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)
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 |
-
1975
- 1975-12-29 ES ES443925A patent/ES443925A1/es not_active Expired
- 1975-12-29 NL NL7515156A patent/NL7515156A/xx not_active Application Discontinuation
- 1975-12-29 NL NL7515158A patent/NL7515158A/xx not_active Application Discontinuation
- 1975-12-29 NL NL7515160A patent/NL7515160A/xx unknown
- 1975-12-29 DE DE19752558980 patent/DE2558980C3/de not_active Expired
- 1975-12-29 FR FR7540400A patent/FR2296983A1/fr active Granted
- 1975-12-29 NL NL7515157A patent/NL7515157A/xx not_active Application Discontinuation
- 1975-12-29 NL NL7515159A patent/NL7515159A/xx not_active Application Discontinuation
- 1975-12-29 NL NL7515161A patent/NL7515161A/xx not_active Application Discontinuation
- 1975-12-30 CH CH1686275A patent/CH597726A5/xx not_active IP Right Cessation
- 1975-12-30 SE SE7514751A patent/SE422644B/xx not_active IP Right Cessation
Cited By (1)
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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