FR2463999B1 - - Google Patents
Info
- Publication number
- FR2463999B1 FR2463999B1 FR8018147A FR8018147A FR2463999B1 FR 2463999 B1 FR2463999 B1 FR 2463999B1 FR 8018147 A FR8018147 A FR 8018147A FR 8018147 A FR8018147 A FR 8018147A FR 2463999 B1 FR2463999 B1 FR 2463999B1
- Authority
- FR
- France
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54104921A JPS6028195B2 (ja) | 1979-08-20 | 1979-08-20 | 押釦ダイヤル信号中継方式 |
| JP11335479U JPS5631754U (enExample) | 1979-08-20 | 1979-08-20 | |
| JP11335379U JPS5852766Y2 (ja) | 1979-08-20 | 1979-08-20 | 電話交換装置のスイツチフレ−ム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2463999A1 FR2463999A1 (fr) | 1981-02-27 |
| FR2463999B1 true FR2463999B1 (enExample) | 1984-06-15 |
Family
ID=27310348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8018147A Granted FR2463999A1 (fr) | 1979-08-20 | 1980-08-19 | Systeme de telephones a clavier |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US4347409A (enExample) |
| AU (1) | AU521265B2 (enExample) |
| FR (1) | FR2463999A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57107664A (en) * | 1980-12-25 | 1982-07-05 | Nitsuko Ltd | Electronic button telephone set |
| JPS58213597A (ja) * | 1982-06-05 | 1983-12-12 | Nitsuko Ltd | ボタン電話装置 |
| US4605928A (en) * | 1983-10-24 | 1986-08-12 | International Business Machines Corporation | Fault-tolerant array of cross-point switching matrices |
| US4630045A (en) * | 1983-10-24 | 1986-12-16 | International Business Machines Corporation | Controller for a cross-point switching matrix |
| JPS60140997A (ja) * | 1983-12-27 | 1985-07-25 | Nitsuko Ltd | 電子化ボタン電話装置におけるパルス/直流重畳回路 |
| US4554413A (en) * | 1984-05-31 | 1985-11-19 | Pks/Communications, Inc. | Key telephone system |
| US4631367A (en) * | 1984-08-29 | 1986-12-23 | Lantel International Corp. | Multi-line telephone system |
| US4641337A (en) * | 1985-03-25 | 1987-02-03 | Nitsuko Limited | Key telephone system with means for operatively connecting another key telephone systems |
| CA1239718A (en) * | 1985-10-11 | 1988-07-26 | Trillium Telephone Systems Inc. | Key telephone system |
| CA1244541A (en) * | 1985-11-07 | 1988-11-08 | Gerald Molnar | Communication system having separate unidirectional information signalling |
| JP2561696B2 (ja) * | 1988-03-31 | 1996-12-11 | 三菱電機株式会社 | ネットワークシステムにおける共用領域管理方法 |
| DE4117118A1 (de) * | 1991-05-25 | 1992-11-26 | Standard Elektrik Lorenz Ag | Fernmelde-reihenanlage |
| US5471523A (en) * | 1993-07-14 | 1995-11-28 | Voysys Corporation | Telephone call and voice processing system |
| US5873023A (en) * | 1996-11-19 | 1999-02-16 | Motorola, Inc. | Method and apparatus in a messaging system for implementing a group call |
| SE0301439L (sv) * | 2003-05-19 | 2004-11-20 | Nordia Innovation Ab | Anordning för uppbyggnad av väljarmatris med redundans och ingångsorienterad fuktionalitet |
| JP4708145B2 (ja) * | 2005-10-05 | 2011-06-22 | パナソニック株式会社 | 電力線通信装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5140011A (en) * | 1974-10-01 | 1976-04-03 | Oki Electric Ind Co Ltd | Pb sendahoshiki |
| US4184054A (en) * | 1977-03-28 | 1980-01-15 | Tokyo Shibaura Electric Co., Ltd. | Key telephone system |
| US4160131A (en) * | 1977-10-07 | 1979-07-03 | Nippon Electric Company, Ltd. | Electronic key telephone system |
| JPS5489506A (en) * | 1977-12-27 | 1979-07-16 | Nec Corp | Electronic key telephone set |
| US4203011A (en) * | 1978-01-17 | 1980-05-13 | Tie/Communications, Inc. | Computer controlled key telephone station set |
-
1980
- 1980-08-15 AU AU61511/80A patent/AU521265B2/en not_active Ceased
- 1980-08-18 US US06/178,950 patent/US4347409A/en not_active Expired - Lifetime
- 1980-08-19 FR FR8018147A patent/FR2463999A1/fr active Granted
-
1981
- 1981-07-01 US US06/279,262 patent/US4412102A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4412102A (en) | 1983-10-25 |
| FR2463999A1 (fr) | 1981-02-27 |
| AU6151180A (en) | 1981-03-26 |
| AU521265B2 (en) | 1982-03-25 |
| US4347409A (en) | 1982-08-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |