NL71872C - - Google Patents
Info
- Publication number
- NL71872C NL71872C NL71872DA NL71872C NL 71872 C NL71872 C NL 71872C NL 71872D A NL71872D A NL 71872DA NL 71872 C NL71872 C NL 71872C
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/22—Switches without multi-position wipers
- H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2640882X | 1947-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71872C true NL71872C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19875159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71872D NL71872C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1947-09-13 |
Country Status (3)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870262A (en) * | 1953-12-17 | 1959-01-20 | Gen Telephone Lab Inc | Control mechanism for two motion flat-type switches |
| BR112013023501A2 (pt) | 2011-03-18 | 2016-12-06 | Irma | catalisador, dispositivo composto por um catalisador, método de preparação de um catalisador, método de redução dos óxidos de azoto, veículo compreendendo o catalisador e instalação estacioária insistindo do referido catalisador |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1097307A (en) * | 1906-12-04 | 1914-05-19 | Kellogg Switchboard & Supply | Telephone system. |
| US1925264A (en) * | 1920-09-03 | 1933-09-05 | Associated Electric Lab Inc | Automatic telephone system |
| GB325392A (en) * | 1929-02-21 | 1930-02-20 | Standard Telephones Cables Ltd | Improvements in and relating to automatic and semi-automatic telephone systems |
| BE369446A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1929-06-26 | |||
| DE615685C (de) * | 1931-04-23 | 1935-07-16 | Siemens & Halske Akt Ges | Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und mehreren in Reihe liegenden Vermittlungsstellen |
-
0
- US US24210D patent/USRE24210E/en not_active Expired
- FR FR956491D patent/FR956491A/fr not_active Expired
- NL NL71872D patent/NL71872C/xx active
-
1948
- 1948-04-05 US US18865A patent/US2640882A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR956491A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1950-02-02 |
| US2640882A (en) | 1953-06-02 |
| USRE24210E (en) | 1956-09-04 |