NL302374A - - Google Patents
Info
- Publication number
- NL302374A NL302374A NL302374DA NL302374A NL 302374 A NL302374 A NL 302374A NL 302374D A NL302374D A NL 302374DA NL 302374 A NL302374 A NL 302374A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES84112A DE1179268B (de) | 1963-03-12 | 1963-03-12 | Schaltungsanordnung fuer eine zentral gesteuerte Fernsprech-, insbesondere Fernsprech-nebenstellenanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL302374A true NL302374A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=7511471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL302374D NL302374A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1963-03-12 |
Country Status (7)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725599A (en) * | 1971-07-22 | 1973-04-03 | Gte Automatic Electric Lab Inc | Call pickup service for pabx telephone system |
| US3800098A (en) * | 1972-06-12 | 1974-03-26 | Bell Telephone Labor Inc | Key telephone system transfer arrangement |
| US3794776A (en) * | 1972-07-10 | 1974-02-26 | Stromberg Carlson Corp | Key telephone system transfer adapter circuit |
| US4028499A (en) * | 1975-11-28 | 1977-06-07 | Rca Corporation | Universal/assigned night answering system for EPABX |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2501546A (en) * | 1947-09-12 | 1950-03-21 | Automatic Elect Lab | Automatic private branch exchange telephone system having transfer and night service |
| US3176080A (en) * | 1959-12-11 | 1965-03-30 | Gen Dynamies Corp | Night answering and transfer of trunk calls |
| NL282897A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-09-11 |
-
0
- NL NL302374D patent/NL302374A/xx unknown
-
1963
- 1963-03-12 DE DES84112A patent/DE1179268B/de active Pending
-
1964
- 1964-03-09 CH CH303764A patent/CH414761A/de unknown
- 1964-03-10 SE SE2994/64A patent/SE311939B/xx unknown
- 1964-03-11 GB GB10219/64A patent/GB1061162A/en not_active Expired
- 1964-03-12 BE BE645085D patent/BE645085A/xx unknown
-
1967
- 1967-10-23 US US701493A patent/US3449527A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1061162A (en) | 1967-03-08 |
| SE311939B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-06-30 |
| US3449527A (en) | 1969-06-10 |
| BE645085A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-09-14 |
| CH414761A (de) | 1966-06-15 |
| DE1179268B (de) | 1964-10-08 |