NL57988C - - Google Patents
Info
- Publication number
- NL57988C NL57988C NL57988DA NL57988C NL 57988 C NL57988 C NL 57988C NL 57988D A NL57988D A NL 57988DA NL 57988 C NL57988 C NL 57988C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB241788X | 1939-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57988C true NL57988C (https=) |
Family
ID=10207655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57988D NL57988C (https=) | 1939-02-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2298922A (https=) |
| CH (1) | CH241788A (https=) |
| FR (1) | FR862978A (https=) |
| GB (1) | GB524671A (https=) |
| NL (1) | NL57988C (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419292A (en) * | 1947-04-22 | System fob transmitting two | ||
| BE472934A (https=) * | 1943-04-07 | |||
| US2443958A (en) * | 1944-09-23 | 1948-06-22 | Rca Corp | Modulation |
| US2545123A (en) * | 1946-05-20 | 1951-03-13 | Rca Corp | Computing device |
| US2473691A (en) * | 1947-08-05 | 1949-06-21 | Bell Telephone Labor Inc | Stabilization of cathode beam tubes |
-
0
- NL NL57988D patent/NL57988C/xx active
-
1939
- 1939-02-07 GB GB4013/39A patent/GB524671A/en not_active Expired
-
1940
- 1940-01-06 US US312645A patent/US2298922A/en not_active Expired - Lifetime
- 1940-01-18 FR FR862978D patent/FR862978A/fr not_active Expired
- 1940-02-07 CH CH241788D patent/CH241788A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB524671A (en) | 1940-08-12 |
| CH241788A (fr) | 1946-03-31 |
| US2298922A (en) | 1942-10-13 |
| FR862978A (fr) | 1941-03-20 |