BR8002716A - Sistema telefonico - Google Patents
Sistema telefonicoInfo
- Publication number
- BR8002716A BR8002716A BR8002716A BR8002716A BR8002716A BR 8002716 A BR8002716 A BR 8002716A BR 8002716 A BR8002716 A BR 8002716A BR 8002716 A BR8002716 A BR 8002716A BR 8002716 A BR8002716 A BR 8002716A
- Authority
- BR
- Brazil
- Prior art keywords
- telephone system
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
- H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7915676 | 1979-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8002716A true BR8002716A (pt) | 1980-12-16 |
Family
ID=10504975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8002716A BR8002716A (pt) | 1979-05-04 | 1980-05-02 | Sistema telefonico |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4327256A (pt) |
| EP (1) | EP0018844B1 (pt) |
| JP (1) | JPS55150694A (pt) |
| AU (1) | AU531662B2 (pt) |
| BR (1) | BR8002716A (pt) |
| CA (1) | CA1154182A (pt) |
| DE (1) | DE3066078D1 (pt) |
| IL (1) | IL59950A (pt) |
| NZ (1) | NZ193563A (pt) |
| ZA (1) | ZA802607B (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382163A (en) * | 1979-10-03 | 1983-05-03 | Gte Automatic Electric Labs Inc. | Microcomputer controlled key telephone line circuit |
| DE3000858C2 (de) * | 1980-01-11 | 1986-11-13 | Neumann Elektronik GmbH, 4330 Mülheim | Tastengesteuerte Wechsel-, Gegen- oder Lautsprechanlage |
| US4572928A (en) * | 1982-11-09 | 1986-02-25 | Tamura Electric Works, Ltd. | Key telephone system |
| US4578540A (en) * | 1982-12-20 | 1986-03-25 | At&T Bell Laboratories | Telecommunications systems |
| US4677661A (en) * | 1983-10-07 | 1987-06-30 | Baccaret Teledex, Inc. | Microprocessor controlled telephone unit |
| US4631367A (en) * | 1984-08-29 | 1986-12-23 | Lantel International Corp. | Multi-line telephone system |
| JPH0728436B2 (ja) * | 1988-04-28 | 1995-03-29 | 松下電器産業株式会社 | 構内電話交換機 |
| JP3067670B2 (ja) * | 1997-02-07 | 2000-07-17 | 日本電気株式会社 | ボタン電話装置及びボタン電話制御プログラムを記憶した媒体 |
| DE202020101775U1 (de) | 2020-04-01 | 2020-05-26 | Certoplast Technische Klebebänder Gmbh | Klebeband, insbesondere Kabelwickelband zum Umwickeln von Kabeln in Automobilen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3789152A (en) * | 1972-12-11 | 1974-01-29 | Bell Telephone Labor Inc | Data format converter |
| CH580372A5 (pt) * | 1973-08-29 | 1976-09-30 | Telefonbau & Normalzeit Gmbh | |
| GB1464615A (en) * | 1974-05-30 | 1977-02-16 | Plessey Co Ltd | House-exchange telephone system |
| US3914559A (en) * | 1974-11-07 | 1975-10-21 | Bell Telephone Labor Inc | Universal PBX line circuit for key and non-key service |
| US4088844A (en) * | 1976-12-21 | 1978-05-09 | Bell Telephone Laboratories, Incorporated | Telephone station set interface circuit |
| US4088846A (en) * | 1977-03-30 | 1978-05-09 | Bell Telephone Laboratories, Incorporated | Hold-plus-intercom for single-line stations |
| US4160131A (en) * | 1977-10-07 | 1979-07-03 | Nippon Electric Company, Ltd. | Electronic key telephone system |
| US4125748A (en) * | 1977-10-31 | 1978-11-14 | Bell Telephone Laboratories, Incorporated | Communication system call transfer arrangement |
| US4220827A (en) * | 1979-02-21 | 1980-09-02 | Bell Telephone Laboratories, Incorporated | Telephone signaling circuit |
-
1980
- 1980-04-29 US US06/144,970 patent/US4327256A/en not_active Expired - Lifetime
- 1980-04-29 IL IL59950A patent/IL59950A/xx not_active IP Right Cessation
- 1980-04-29 NZ NZ193563A patent/NZ193563A/xx unknown
- 1980-04-30 AU AU57898/80A patent/AU531662B2/en not_active Ceased
- 1980-04-30 ZA ZA00802607A patent/ZA802607B/xx unknown
- 1980-05-02 BR BR8002716A patent/BR8002716A/pt unknown
- 1980-05-02 EP EP80301458A patent/EP0018844B1/en not_active Expired
- 1980-05-02 DE DE8080301458T patent/DE3066078D1/de not_active Expired
- 1980-05-02 CA CA000351204A patent/CA1154182A/en not_active Expired
- 1980-05-06 JP JP5986980A patent/JPS55150694A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU5789880A (en) | 1980-11-06 |
| AU531662B2 (en) | 1983-09-01 |
| IL59950A0 (en) | 1980-06-30 |
| EP0018844B1 (en) | 1984-01-11 |
| US4327256A (en) | 1982-04-27 |
| JPS55150694A (en) | 1980-11-22 |
| IL59950A (en) | 1983-05-15 |
| EP0018844A1 (en) | 1980-11-12 |
| JPH0338799B2 (pt) | 1991-06-11 |
| CA1154182A (en) | 1983-09-20 |
| ZA802607B (en) | 1981-04-29 |
| DE3066078D1 (en) | 1984-02-16 |
| NZ193563A (en) | 1983-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES491480A0 (es) | Sistema de videotex | |
| BE881812A (nl) | Meldingsstelsel | |
| NO148428C (no) | Mikroboelge-landingssystem | |
| NO801269L (no) | Boeye - manifoldsystem. | |
| BR8003879A (pt) | Sistema de interrupcao | |
| IT8023714A0 (it) | Impianto multicompressori. | |
| NO802017L (no) | Mikroboelge-landingssystem. | |
| BE876025A (nl) | Signaleringsstelsel | |
| FI802659A (fi) | System foer behandling av televisionssignaler | |
| IT1077618B (it) | Sistema magentotecnico | |
| BR8002716A (pt) | Sistema telefonico | |
| MX147212A (es) | Sistema radiofonico | |
| BR8005682A (pt) | Sistema antitrava | |
| IT1149255B (it) | Sistema di intercomunicazione | |
| BR8007949A (pt) | Sistema telefonico | |
| IT1148893B (it) | Impianto di segnalazione | |
| FI790367A (fi) | System foer uppvaermning av bostadsvaoningshus | |
| BR7906109A (pt) | Sistema antipoluente | |
| BR7706569A (pt) | Sistema telefonico | |
| BR8103321A (pt) | Sistema telefonico | |
| BR5900522U (pt) | Sistema de assepcia termoquimica | |
| BR7904321A (pt) | Sistema de autoplastificacao sistema de autoplastificacao | |
| MX150660A (es) | Sistema de tele-estereovision | |
| CU35101A (es) | Sistema digital de telemedicion | |
| FI793843A (fi) | Expansions-kombinationsventil foer slutet system |