NL133820C - - Google Patents
Info
- Publication number
- NL133820C NL133820C NL133820DA NL133820C NL 133820 C NL133820 C NL 133820C NL 133820D A NL133820D A NL 133820DA NL 133820 C NL133820 C NL 133820C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33263/53A GB804691A (en) | 1953-11-30 | 1953-11-30 | Improvements in or relating to control units for switching systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL133820C true NL133820C (US07122603-20061017-C00294.png) |
Family
ID=10350655
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL300460D NL300460A (US07122603-20061017-C00294.png) | 1953-11-30 | ||
| NL133820D NL133820C (US07122603-20061017-C00294.png) | 1953-11-30 | ||
| NL205383D NL205383A (US07122603-20061017-C00294.png) | 1953-11-30 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL300460D NL300460A (US07122603-20061017-C00294.png) | 1953-11-30 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL205383D NL205383A (US07122603-20061017-C00294.png) | 1953-11-30 |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE555668A (US07122603-20061017-C00294.png) * | 1956-03-10 | |||
| NL233029A (US07122603-20061017-C00294.png) * | 1957-11-08 | |||
| NL129300C (US07122603-20061017-C00294.png) * | 1958-05-29 | |||
| US3223783A (en) * | 1960-05-09 | 1965-12-14 | Fuji Tsushinki Seizo Kk | Time-division multiplex voice-frequency discriminator |
| BE626592A (US07122603-20061017-C00294.png) * | 1962-01-02 | |||
| NL288646A (US07122603-20061017-C00294.png) * | 1962-01-31 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490833A (en) * | 1947-04-26 | 1949-12-13 | Fed Telecomm Labs Inc | All electronic line finder and selector system |
| BE498266A (US07122603-20061017-C00294.png) * | 1949-09-23 | |||
| BE500638A (US07122603-20061017-C00294.png) * | 1950-01-16 | |||
| GB744291A (en) * | 1950-01-16 | 1956-02-01 | Standard Telephones Cables Ltd | Improvements in or relating to electrical communication systems |
| DE876714C (de) * | 1951-02-24 | 1953-05-18 | Siemens Ag | Elektrisches UEbertragungssystem, insbesondere Vierdrahtsystem, fuer eine Vielzahl von Teilnehmern mit wahlweiser Herstellung von Verbindungen |
-
0
- NL NL300460D patent/NL300460A/xx unknown
- BE BE546098D patent/BE546098A/xx unknown
- NL NL133820D patent/NL133820C/xx active
- NL NL205383D patent/NL205383A/xx unknown
-
1953
- 1953-11-30 GB GB33263/53A patent/GB804691A/en not_active Expired
-
1954
- 1954-11-24 US US471073A patent/US2876284A/en not_active Expired - Lifetime
- 1954-11-29 DE DEH22265A patent/DE1078629B/de active Pending
-
1956
- 1956-03-14 FR FR1148650D patent/FR1148650A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE546098A (US07122603-20061017-C00294.png) | |
| US2876284A (en) | 1959-03-03 |
| NL205383A (US07122603-20061017-C00294.png) | |
| NL300460A (US07122603-20061017-C00294.png) | |
| GB804691A (en) | 1958-11-19 |
| FR1148650A (fr) | 1957-12-12 |
| DE1078629B (de) | 1960-03-31 |
