NL65602C - - Google Patents
Info
- Publication number
- NL65602C NL65602C NL133231A NL133231A NL65602C NL 65602 C NL65602 C NL 65602C NL 133231 A NL133231 A NL 133231A NL 133231 A NL133231 A NL 133231A NL 65602 C NL65602 C NL 65602C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
-
- 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)
- Fuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500411A US2419540A (en) | 1943-08-28 | 1943-08-28 | Telecommunication switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL65602C true NL65602C (en) | 1949-11-15 |
Family
ID=23989298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL133231A NL65602C (en) | 1943-08-28 | 1947-07-03 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2419540A (en) |
| DE (1) | DE872221C (en) |
| NL (1) | NL65602C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2598822A (en) * | 1945-10-13 | 1952-06-03 | Roelof M M Oberman | Signaling system with private branch exchange subscriber |
| US2570214A (en) * | 1946-09-14 | 1951-10-09 | Int Standard Electric Corp | Second test circuit for selector wipers |
| BE478817A (en) * | 1947-01-07 | |||
| BE488187A (en) * | 1948-04-01 | |||
| US2640883A (en) * | 1948-09-11 | 1953-06-02 | Hartford Nat Bank & Trust Co | Marker control arrangement for selectors |
| US2688659A (en) * | 1949-10-31 | 1954-09-07 | Hartford Nat Bank & Trust Co | Circuit-arrangement for use in automatic signaling systems for numerical adjustment of a switch by a selective marking method |
| US2697752A (en) * | 1950-10-12 | 1954-12-21 | Hartford Nat Bank & Trust Co | Device for testing characterizing impedances |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1841254A (en) * | 1927-07-20 | 1932-01-12 | Rudolph R Rosenbaum | Motor fuel and producing process |
| FR737991A (en) * | 1931-06-08 | 1932-12-17 | ||
| GB409670A (en) * | 1932-06-17 | 1934-05-01 | Standard Telephones Cables Ltd | Improvements in or relating to telegraph, telephone or like exchange systems |
| US2138594A (en) * | 1935-01-18 | 1938-11-29 | Western Electric Co | Telephone system |
| US2048506A (en) * | 1935-03-07 | 1936-07-21 | Bell Telephone Labor Inc | Telephone system |
| US2195317A (en) * | 1939-02-24 | 1940-03-26 | Bell Telephone Labor Inc | Telephone system |
| US2291040A (en) * | 1941-02-08 | 1942-07-28 | Bell Telephone Labor Inc | Switching system |
-
1943
- 1943-08-28 US US500411A patent/US2419540A/en not_active Expired - Lifetime
-
1947
- 1947-07-03 NL NL133231A patent/NL65602C/xx active
-
1950
- 1950-09-30 DE DEI3000A patent/DE872221C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE872221C (en) | 1953-03-30 |
| US2419540A (en) | 1947-04-29 |