NL204130A - - Google Patents
Info
- Publication number
- NL204130A NL204130A NL204130DA NL204130A NL 204130 A NL204130 A NL 204130A NL 204130D A NL204130D A NL 204130DA NL 204130 A NL204130 A NL 204130A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE346590X | 1955-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL204130A true NL204130A (de) |
Family
ID=20308522
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL204130D NL204130A (de) | 1955-02-17 | ||
| NL105180D NL105180C (de) | 1955-02-17 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL105180D NL105180C (de) | 1955-02-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2886646A (de) |
| BE (1) | BE545170A (de) |
| CH (1) | CH346590A (de) |
| DE (1) | DE1053043B (de) |
| FR (1) | FR1146819A (de) |
| GB (1) | GB815152A (de) |
| NL (2) | NL105180C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1165097B (de) * | 1956-05-08 | 1964-03-12 | Int Standard Electric Corp | Schaltungsanordnung fuer Fernsprechselbstanschlussanlagen |
| GB944162A (en) * | 1956-05-08 | 1963-12-11 | Standard Telephones Cables Ltd | Improvements in or relating to automatic telephone exchanges |
| US3331926A (en) * | 1964-07-09 | 1967-07-18 | Thomas P Largey | Automatic telephone system having restricted service means |
| US3886671A (en) * | 1974-05-02 | 1975-06-03 | Liu Hsing Ching | Linguistic self learning device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1492995A (en) * | 1923-06-05 | 1924-05-06 | Siemens Ag | Telephone system |
| US1960037A (en) * | 1932-08-19 | 1934-05-22 | Bell Telephone Labor Inc | Telephone system |
| US2005595A (en) * | 1932-10-21 | 1935-06-18 | Western Electric Co | Telephone system |
| US2504959A (en) * | 1945-03-27 | 1950-04-25 | Int Standard Electric Corp | Line class detecting system |
| US2491291A (en) * | 1945-12-03 | 1949-12-13 | Automatic Elect Lab | Common trunk selecting means for all relay telephone switches |
| US2592784A (en) * | 1947-01-22 | 1952-04-15 | Automatic Elect Lab | Restricted service telephone system |
-
0
- NL NL204130D patent/NL204130A/xx unknown
- NL NL105180D patent/NL105180C/xx active
- BE BE545170D patent/BE545170A/xx unknown
-
1956
- 1956-01-26 US US561579A patent/US2886646A/en not_active Expired - Lifetime
- 1956-02-08 CH CH346590D patent/CH346590A/de unknown
- 1956-02-10 GB GB4327/56A patent/GB815152A/en not_active Expired
- 1956-02-15 DE DET11882A patent/DE1053043B/de active Pending
- 1956-02-16 FR FR1146819D patent/FR1146819A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB815152A (en) | 1959-06-17 |
| BE545170A (de) | |
| NL105180C (de) | |
| US2886646A (en) | 1959-05-12 |
| CH346590A (de) | 1960-05-31 |
| DE1053043B (de) | 1959-03-19 |
| FR1146819A (fr) | 1957-11-15 |