NL6617538A - - Google Patents
Info
- Publication number
- NL6617538A NL6617538A NL6617538A NL6617538A NL6617538A NL 6617538 A NL6617538 A NL 6617538A NL 6617538 A NL6617538 A NL 6617538A NL 6617538 A NL6617538 A NL 6617538A NL 6617538 A NL6617538 A NL 6617538A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
- H04Q1/22—Automatic arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR41979A FR1476619A (fr) | 1965-12-13 | 1965-12-13 | Perfectionnements aux systèmes de sélection pour circuits ou équipements électriques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6617538A true NL6617538A (zh) | 1967-06-14 |
Family
ID=8595280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6617538A NL6617538A (zh) | 1965-12-13 | 1966-12-13 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3497640A (zh) |
| BE (1) | BE691100A (zh) |
| DE (1) | DE1487643B2 (zh) |
| ES (1) | ES334492A1 (zh) |
| FR (1) | FR1476619A (zh) |
| GB (1) | GB1117828A (zh) |
| NL (1) | NL6617538A (zh) |
| SE (1) | SE335555B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3701863A (en) * | 1970-12-11 | 1972-10-31 | Bell Telephone Labor Inc | Switching network test circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2383794A (en) * | 1944-01-05 | 1945-08-28 | American Telephone & Telegraph | Telephone system |
| US2562362A (en) * | 1947-11-04 | 1951-07-31 | Automatic Elect Lab | Testing system employing test distributor switches and test connector switches |
-
1965
- 1965-12-13 FR FR41979A patent/FR1476619A/fr not_active Expired
-
1966
- 1966-11-29 US US597753A patent/US3497640A/en not_active Expired - Lifetime
- 1966-12-06 DE DE1487643A patent/DE1487643B2/de active Pending
- 1966-12-09 GB GB55219/66A patent/GB1117828A/en not_active Expired
- 1966-12-12 SE SE16962/66A patent/SE335555B/xx unknown
- 1966-12-13 ES ES0334492A patent/ES334492A1/es not_active Expired
- 1966-12-13 BE BE691100D patent/BE691100A/xx unknown
- 1966-12-13 NL NL6617538A patent/NL6617538A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1487643A1 (de) | 1969-01-16 |
| GB1117828A (en) | 1968-06-26 |
| FR1476619A (fr) | 1967-04-14 |
| BE691100A (zh) | 1967-06-13 |
| ES334492A1 (es) | 1967-11-01 |
| SE335555B (zh) | 1971-06-01 |
| DE1487643B2 (de) | 1974-01-03 |
| US3497640A (en) | 1970-02-24 |