SE317110B - - Google Patents
Info
- Publication number
- SE317110B SE317110B SE8058/65A SE805865A SE317110B SE 317110 B SE317110 B SE 317110B SE 8058/65 A SE8058/65 A SE 8058/65A SE 805865 A SE805865 A SE 805865A SE 317110 B SE317110 B SE 317110B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US377896A US3358086A (en) | 1964-06-25 | 1964-06-25 | Supervisory signal detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE317110B true SE317110B (de) | 1969-11-10 |
Family
ID=23490955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8058/65A SE317110B (de) | 1964-06-25 | 1965-06-18 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3358086A (de) |
| CH (1) | CH449718A (de) |
| DE (1) | DE1298149B (de) |
| ES (1) | ES314531A1 (de) |
| GB (1) | GB1074986A (de) |
| NL (1) | NL6508152A (de) |
| SE (1) | SE317110B (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3205312A (en) * | 1960-12-23 | 1965-09-07 | Gen Dynamics Corp | Off-hook detector |
| US3146314A (en) * | 1961-09-25 | 1964-08-25 | Gen Dynamics Corp | Means for generating warbling tone ringing signals in a time division multiplex communication system |
| US3164679A (en) * | 1962-10-09 | 1965-01-05 | Northern Electric Co | Bi-directional amplifying systems |
-
1964
- 1964-06-25 US US377896A patent/US3358086A/en not_active Expired - Lifetime
-
1965
- 1965-06-18 SE SE8058/65A patent/SE317110B/xx unknown
- 1965-06-22 GB GB26396/65A patent/GB1074986A/en not_active Expired
- 1965-06-22 CH CH870565A patent/CH449718A/de unknown
- 1965-06-23 ES ES0314531A patent/ES314531A1/es not_active Expired
- 1965-06-24 DE DEST24020A patent/DE1298149B/de active Pending
- 1965-06-25 NL NL6508152A patent/NL6508152A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES314531A1 (es) | 1966-02-16 |
| CH449718A (de) | 1968-01-15 |
| NL6508152A (de) | 1965-12-27 |
| US3358086A (en) | 1967-12-12 |
| DE1298149B (de) | 1969-06-26 |
| GB1074986A (en) | 1967-07-05 |