NL194109B - Two-way link coupling chain for an electronic home telephone system. - Google Patents
Two-way link coupling chain for an electronic home telephone system.Info
- Publication number
- NL194109B NL194109B NL9300792A NL9300792A NL194109B NL 194109 B NL194109 B NL 194109B NL 9300792 A NL9300792 A NL 9300792A NL 9300792 A NL9300792 A NL 9300792A NL 194109 B NL194109 B NL 194109B
- Authority
- NL
- Netherlands
- Prior art keywords
- telephone system
- home telephone
- link coupling
- way link
- coupling chain
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
- H04Q3/627—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR920007883 | 1992-05-09 | ||
KR1019920007883A KR950012585B1 (en) | 1992-05-09 | 1992-05-09 | Direct inward outward dialing circuits |
Publications (3)
Publication Number | Publication Date |
---|---|
NL9300792A NL9300792A (en) | 1993-12-01 |
NL194109B true NL194109B (en) | 2001-02-01 |
NL194109C NL194109C (en) | 2001-06-05 |
Family
ID=19332903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9300792A NL194109C (en) | 1992-05-09 | 1993-05-10 | Two-way link coupling chain for an electronic home telephone system. |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR950012585B1 (en) |
DE (1) | DE4315243B4 (en) |
DK (1) | DK176293B1 (en) |
NL (1) | NL194109C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19755452A1 (en) * | 1997-12-01 | 1999-06-02 | Elmeg Gmbh & Co Kg Kommunikati | Telecommunication installation with terminal for connection to public telephone network |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3748396A (en) * | 1971-04-14 | 1973-07-24 | Itt | Direct inward dialing trunk circuit |
DE3306884A1 (en) * | 1983-02-26 | 1984-08-30 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Signalling detector for telephone PBX systems with direct dialling-in |
DE3328206A1 (en) * | 1983-08-04 | 1985-02-21 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for multi-frequency receiver with frequency analysis of continuously alternating frequencies, received without interruption, in telephone systems |
DE3343646A1 (en) * | 1983-12-02 | 1985-06-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING AC VOLTAGE SIGNALS ON OFF-LINE Veins |
US4696028A (en) * | 1984-03-26 | 1987-09-22 | Dytel Corporation | PBX Intercept and caller interactive attendant bypass system |
US4955047A (en) * | 1984-03-26 | 1990-09-04 | Dytel Corporation | Automated attendant with direct inward system access |
CA1240088A (en) * | 1985-11-20 | 1988-08-02 | Mitel Corporation | Solid state trunk circuit |
US4914690A (en) * | 1988-03-31 | 1990-04-03 | Nicollet Technologies, Inc. | Universal PBX interface |
DE3822427C2 (en) * | 1988-06-30 | 1997-06-05 | Siemens Ag | Current sensor for direct line extensions |
FR2648662B1 (en) * | 1989-06-19 | 1994-03-18 | Alcatel Business Systems | ANALOGUE NETWORK LINE JUNCTOR FOR PRIVATE TYPE TELEPHONE INSTALLATION |
-
1992
- 1992-05-09 KR KR1019920007883A patent/KR950012585B1/en not_active IP Right Cessation
-
1993
- 1993-05-06 DK DK199300531A patent/DK176293B1/en not_active IP Right Cessation
- 1993-05-07 DE DE4315243A patent/DE4315243B4/en not_active Expired - Fee Related
- 1993-05-10 NL NL9300792A patent/NL194109C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE4315243A1 (en) | 1993-11-11 |
KR930024387A (en) | 1993-12-22 |
NL194109C (en) | 2001-06-05 |
DK176293B1 (en) | 2007-06-18 |
DK53193A (en) | 1993-11-10 |
KR950012585B1 (en) | 1995-10-19 |
DE4315243B4 (en) | 2006-05-18 |
DK53193D0 (en) | 1993-05-06 |
NL9300792A (en) | 1993-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20091201 |