BR8402764A - Equipamento e metodo de comutacao x.21. - Google Patents
Equipamento e metodo de comutacao x.21.Info
- Publication number
- BR8402764A BR8402764A BR8402764A BR8402764A BR8402764A BR 8402764 A BR8402764 A BR 8402764A BR 8402764 A BR8402764 A BR 8402764A BR 8402764 A BR8402764 A BR 8402764A BR 8402764 A BR8402764 A BR 8402764A
- Authority
- BR
- Brazil
- Prior art keywords
- switching equipment
- switching
- equipment
- Prior art date
Links
Classifications
-
- 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
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Radio Relay Systems (AREA)
- Communication Control (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/508,312 US4551835A (en) | 1983-06-27 | 1983-06-27 | X.21 Switching system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8402764A true BR8402764A (pt) | 1985-05-14 |
Family
ID=24022240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8402764A BR8402764A (pt) | 1983-06-27 | 1984-06-07 | Equipamento e metodo de comutacao x.21. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4551835A (pt) |
EP (1) | EP0129722B1 (pt) |
JP (1) | JPS6010835A (pt) |
BR (1) | BR8402764A (pt) |
CA (1) | CA1220832A (pt) |
DE (1) | DE3462648D1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2650717B1 (fr) * | 1989-08-02 | 1991-10-04 | Alcatel Business Systems | Transmetteur numerique synchrone |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL111844C (pt) * | 1959-10-20 | |||
DE1287643B (pt) * | 1966-09-17 | 1969-01-23 | ||
US3470542A (en) * | 1967-03-17 | 1969-09-30 | Wang Laboratories | Modular system design |
US3922493A (en) * | 1971-02-01 | 1975-11-25 | Gen Electric | Communication system using time-division multiplexing and pulse-code modulation |
US3772475A (en) * | 1972-08-28 | 1973-11-13 | Communications Satellite Corp | Satellite communications system with super frame format and frame segmented signalling |
US3815095A (en) * | 1972-08-29 | 1974-06-04 | Texas Instruments Inc | General-purpose array processor |
US3938098A (en) * | 1973-12-26 | 1976-02-10 | Xerox Corporation | Input/output connection arrangement for microprogrammable computer |
US4047157A (en) * | 1974-02-01 | 1977-09-06 | Digital Equipment Corporation | Secondary storage facility for data processing |
US3936609A (en) * | 1974-02-14 | 1976-02-03 | Gte Automatic Electric Laboratories Incorporated | Submultiplex transmission of alarm status signals for a time division multiplex system |
FR2283605A1 (fr) * | 1974-08-30 | 1976-03-26 | Duquesne Jean | Unite de brassage pour voies numeriques |
US3909540A (en) * | 1974-09-03 | 1975-09-30 | Itt | Data and signaling multiplexing in PCM systems via the framing code |
US3995120A (en) * | 1975-05-30 | 1976-11-30 | Gte Automatic Electric Laboratories Incorporated | Digital time-division multiplexing system |
US3995119A (en) * | 1975-05-30 | 1976-11-30 | Gte Automatic Electric Laboratories Incorporated | Digital time-division multiplexing system |
US4075691A (en) * | 1975-11-06 | 1978-02-21 | Bunker Ramo Corporation | Communication control unit |
US4068104A (en) * | 1976-05-14 | 1978-01-10 | Digital Communications Corporation | Interface for in band SCPC supervisory and signalling system |
FR2367399A1 (fr) * | 1976-10-05 | 1978-05-05 | Materiel Telephonique | Central telephonique a commutation temporelle comportant un dispositif d'emission de signaux de service |
GB1595301A (en) * | 1976-12-10 | 1981-08-12 | Plessey Canada | Electronic telephone system |
US4128883A (en) * | 1977-09-30 | 1978-12-05 | Ncr Corporation | Shared busy means in a common bus environment |
US4268722A (en) * | 1978-02-13 | 1981-05-19 | Motorola, Inc. | Radiotelephone communications system |
DE2819119C3 (de) * | 1978-04-29 | 1980-10-30 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
US4252999A (en) * | 1978-10-04 | 1981-02-24 | Bell Telephone Laboratories, Incorporated | Signaling and ranging technique for a TDMA satellite communication system |
US4271509A (en) * | 1979-07-13 | 1981-06-02 | Bell Telephone Laboratories, Incorporated | Supervisory signaling for digital channel banks |
US4330857A (en) * | 1980-02-29 | 1982-05-18 | Ibm Corporation | Dynamically variable priority, variable position channels in a TDMA burst |
US4332026A (en) * | 1980-03-07 | 1982-05-25 | Ibm Corporation | Multiple data rate digital switch for a TDMA communications controller |
EP0035231B1 (en) * | 1980-02-29 | 1985-08-07 | International Business Machines Corporation | Tdma satellite communications system |
US4307461A (en) * | 1980-03-25 | 1981-12-22 | Ibm Corporation | Call processor for a satellite communications controller |
US4434486A (en) * | 1981-10-26 | 1984-02-28 | Ibm Corporation | Self-switched data port in-band signaling protocol |
-
1983
- 1983-06-27 US US06/508,312 patent/US4551835A/en not_active Expired - Fee Related
-
1984
- 1984-03-19 JP JP59051308A patent/JPS6010835A/ja active Pending
- 1984-05-25 EP EP84105936A patent/EP0129722B1/en not_active Expired
- 1984-05-25 CA CA000455135A patent/CA1220832A/en not_active Expired
- 1984-05-25 DE DE8484105936T patent/DE3462648D1/de not_active Expired
- 1984-06-07 BR BR8402764A patent/BR8402764A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3462648D1 (en) | 1987-04-16 |
CA1220832A (en) | 1987-04-21 |
EP0129722A1 (en) | 1985-01-02 |
EP0129722B1 (en) | 1987-03-11 |
JPS6010835A (ja) | 1985-01-21 |
US4551835A (en) | 1985-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8268174A0 (it) | Apparecchiatura e metodo di elettro placcatura | |
DK177685D0 (da) | Procesapparat | |
IT1207060B (it) | Metodo ed apparecchiatura di interfaccia. | |
IT8421788A0 (it) | Composizione e metodo di pulitura. | |
TR22859A (tr) | Suebstituee edilmis 2,6,suebstituee piridin bilesikleri | |
DE3581357D1 (de) | Fernseheinrichtung und verfahren. | |
FI843017A0 (fi) | Preventiva foerfaranden. | |
DK195585A (da) | 4'-deschlorrebeccamycin og fremgangsmaade til fremstilling af samme | |
ES537122A0 (es) | Unidad de conmutacion-representacion visual | |
DE3481882D1 (de) | Gekapselte schaltanlagen. | |
DE3578514D1 (de) | Gasisoliertes elektrisches geraet und dazugehoeriges zusammensetzungsverfahren. | |
IT8419990A0 (it) | Apparecchiatura di sterilizzazione. | |
DK164341C (da) | Omskifter- eller kontaktaggregat | |
IT1162897B (it) | Apparecchiatura timbatrice | |
BR8402764A (pt) | Equipamento e metodo de comutacao x.21. | |
FI843018A0 (fi) | Preventiva foerfaranden. | |
IT8283448A0 (it) | Procedimento di saldatura erelativo equipaggiamento. | |
FI830318A0 (fi) | Integrerad svaengningssaendare och - mottagare | |
KR860004559U (ko) | 운 동 용 구 | |
KR840005806U (ko) | 교습놀이구 | |
IT1176096B (it) | Apparecchiatura e metodo di elevazione | |
IT8304844A0 (it) | Attrezzo ginnico. | |
BR8305790A (pt) | Equipamento limitador de corente | |
LT2195B (lt) | Litavimo panardinimu irenginys | |
BR8307253A (pt) | Metodo de chamada |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |