NL72717C - - Google Patents
Info
- Publication number
- NL72717C NL72717C NL72717DA NL72717C NL 72717 C NL72717 C NL 72717C NL 72717D A NL72717D A NL 72717DA NL 72717 C NL72717 C NL 72717C
- 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)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US419878A US2320076A (en) | 1941-11-21 | 1941-11-21 | Selecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72717C true NL72717C (ko) |
Family
ID=23664126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72717D NL72717C (ko) | 1941-11-21 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2320076A (ko) |
| FR (1) | FR951740A (ko) |
| NL (1) | NL72717C (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2564125A (en) * | 1941-02-08 | 1951-08-14 | Bell Telephone Labor Inc | Selecting system |
| FR973819A (ko) * | 1947-10-29 | 1951-02-15 | ||
| US2609454A (en) * | 1948-06-29 | 1952-09-02 | Bell Telephone Labor Inc | Selecting and lockout circuit |
| US2697140A (en) * | 1949-12-20 | 1954-12-14 | Bell Telephone Labor Inc | Electronic testing system |
| US2609498A (en) * | 1950-01-07 | 1952-09-02 | Bell Telephone Labor Inc | Pulse counting and registration system |
| US2818529A (en) * | 1954-09-10 | 1957-12-31 | Polarad Electronics Corp | Light-actuated switching device |
| NL302440A (ko) * | 1963-02-01 | |||
| DE1258462B (de) * | 1965-11-09 | 1968-01-11 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zum Empfang von Gleichstromsignalen mittels einer Transistorschaltstufe |
-
0
- NL NL72717D patent/NL72717C/xx active
-
1941
- 1941-11-21 US US419878A patent/US2320076A/en not_active Expired - Lifetime
-
1947
- 1947-08-07 FR FR951740D patent/FR951740A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR951740A (fr) | 1949-11-02 |
| US2320076A (en) | 1943-05-25 |