NL57641C - - Google Patents
Info
- Publication number
- NL57641C NL57641C NL57641DA NL57641C NL 57641 C NL57641 C NL 57641C NL 57641D A NL57641D A NL 57641DA NL 57641 C NL57641 C NL 57641C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL535500X | 1939-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57641C true NL57641C (ja�@�@) |
Family
ID=19787200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57641D NL57641C (ja�@�@) | 1939-03-23 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR864325A (ja�@�@) |
| GB (1) | GB535500A (ja�@�@) |
| NL (1) | NL57641C (ja�@�@) |
-
0
- NL NL57641D patent/NL57641C/xx active
- FR FR864325D patent/FR864325A/fr not_active Expired
-
1940
- 1940-03-20 GB GB5230/40A patent/GB535500A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB535500A (en) | 1941-04-10 |
| FR864325A (ja�@�@) | 1941-04-29 |