BE640318A - - Google Patents
Info
- Publication number
- BE640318A BE640318A BE640318DA BE640318A BE 640318 A BE640318 A BE 640318A BE 640318D A BE640318D A BE 640318DA BE 640318 A BE640318 A BE 640318A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES84673A DE1170476B (de) | 1963-04-11 | 1963-04-11 | Schaltungsanordnung zum Pruefen von Leitungen in Fernmelde-, insbesondere Fernsprechanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE640318A true BE640318A (US07534539-20090519-C00127.png) |
Family
ID=7511845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE640318D BE640318A (US07534539-20090519-C00127.png) | 1963-04-11 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1266822B (de) * | 1965-07-21 | 1968-04-25 | Standard Elektrik Lorenz Ag | Schaltungsanordnung fuer eine mehrstufige Koppelanordnung mit Sternverhalten in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
| US4218592A (en) * | 1967-03-14 | 1980-08-19 | Gte Products Corporation | Telephone analyzer for detection of clandestine devices |
| NL6712959A (US07534539-20090519-C00127.png) * | 1967-09-22 | 1969-03-25 | ||
| US3601560A (en) * | 1969-08-14 | 1971-08-24 | Jim C Garrett | Device for busying a telephone switch |
| US3824350A (en) * | 1973-05-04 | 1974-07-16 | Stromberg Carlson Corp | Access circuit for shared telephone equipment |
| US3824348A (en) * | 1973-05-04 | 1974-07-16 | Stromberg Carlson Corp | Status indication circuit for shared telephone equipment |
| FR2350016A1 (fr) * | 1976-04-29 | 1977-11-25 | Cit Alcatel | Dispositif pour le blocage d'un joncteur d'autocommutateur de central telephonique |
| US4278849A (en) * | 1979-11-19 | 1981-07-14 | Bell Telephone Laboratories, Incorporated | Test arrangement for automatic number identification systems |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE500347A (US07534539-20090519-C00127.png) * | 1949-12-31 | 1900-01-01 | ||
| NL283140A (US07534539-20090519-C00127.png) * | 1961-09-22 | |||
| FR1347787A (fr) * | 1962-11-19 | 1964-01-04 | Cie Ind Des Telephones | Dispositif d'interdiction de doubles connexions |
-
0
- NL NL296098D patent/NL296098A/xx unknown
- BE BE640318D patent/BE640318A/xx unknown
-
1963
- 1963-04-11 DE DES84673A patent/DE1170476B/de active Pending
- 1963-07-26 CH CH934363A patent/CH410069A/de unknown
- 1963-07-29 GB GB29900/63A patent/GB1031788A/en not_active Expired
- 1963-11-26 US US325967A patent/US3430000A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL296098A (US07534539-20090519-C00127.png) | |
| DE1170476B (de) | 1964-05-21 |
| GB1031788A (en) | 1966-06-02 |
| US3430000A (en) | 1969-02-25 |
| CH410069A (de) | 1966-03-31 |
