NL70955C - - Google Patents
Info
- Publication number
- NL70955C NL70955C NL70955DA NL70955C NL 70955 C NL70955 C NL 70955C NL 70955D A NL70955D A NL 70955DA NL 70955 C NL70955 C NL 70955C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US312468A US2277600A (en) | 1940-01-05 | 1940-01-05 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL70955C true NL70955C (xx) |
Family
ID=23211593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL70955D NL70955C (xx) | 1940-01-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2277600A (xx) |
| FR (1) | FR959818A (xx) |
| GB (1) | GB644112A (xx) |
| NL (1) | NL70955C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3019730A (en) * | 1947-01-17 | 1962-02-06 | Wilson R Maltby | Induction mine firing and timing system |
| CN110830073B (zh) * | 2018-08-07 | 2022-06-14 | 中兴通讯股份有限公司 | 耳机线复用方法及装置、移动终端、存储介质 |
-
0
- NL NL70955D patent/NL70955C/xx active
- FR FR959818D patent/FR959818A/fr not_active Expired
- US US22476D patent/USRE22476E/en not_active Expired
-
1940
- 1940-01-05 US US312468A patent/US2277600A/en not_active Expired - Lifetime
-
1948
- 1948-02-20 GB GB5097/48A patent/GB644112A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2277600A (en) | 1942-03-24 |
| USRE22476E (en) | 1944-05-09 |
| FR959818A (xx) | 1950-04-06 |
| GB644112A (en) | 1950-10-04 |