BE654689A - - Google Patents
Info
- Publication number
- BE654689A BE654689A BE654689DA BE654689A BE 654689 A BE654689 A BE 654689A BE 654689D A BE654689D A BE 654689DA BE 654689 A BE654689 A BE 654689A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES87973A DE1220903B (de) | 1963-10-22 | 1963-10-22 | Schaltungsanordnung zum UEbertragen von Vermittlungssignalen in Fernmelde-, insbesondere Fernsprechwaehlanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE654689A true BE654689A (xx) | 1965-04-22 |
Family
ID=7514143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE654689D BE654689A (xx) | 1963-10-22 | 1964-10-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3428753A (xx) |
| BE (1) | BE654689A (xx) |
| CH (1) | CH414756A (xx) |
| DE (1) | DE1220903B (xx) |
| GB (1) | GB1085898A (xx) |
| NL (1) | NL148766B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH532348A (de) * | 1970-07-31 | 1972-12-31 | Siemens Ag | Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit vierdrähtiger Verbindungsdurchschaltung |
| US4113986A (en) * | 1977-10-21 | 1978-09-12 | Bell Telephone Laboratories, Incorporated | Telephone controlled lock release arrangement |
| JPS61177366A (ja) * | 1985-01-31 | 1986-08-09 | Sharp Corp | 超微粒子分散基板の製造装置 |
| GB2201564B (en) * | 1987-02-21 | 1991-05-15 | Stc Plc | Telephone exchange systems |
-
1963
- 1963-10-22 DE DES87973A patent/DE1220903B/de active Pending
-
1964
- 1964-10-12 US US403063A patent/US3428753A/en not_active Expired - Lifetime
- 1964-10-20 NL NL646412195A patent/NL148766B/xx unknown
- 1964-10-21 CH CH1363064A patent/CH414756A/de unknown
- 1964-10-22 GB GB43079/64A patent/GB1085898A/en not_active Expired
- 1964-10-22 BE BE654689D patent/BE654689A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1085898A (en) | 1967-10-04 |
| NL148766B (nl) | 1976-02-16 |
| NL6412195A (xx) | 1965-04-23 |
| US3428753A (en) | 1969-02-18 |
| DE1220903B (de) | 1966-07-14 |
| CH414756A (de) | 1966-06-15 |