BE420486A - - Google Patents
Info
- Publication number
- BE420486A BE420486A BE420486DA BE420486A BE 420486 A BE420486 A BE 420486A BE 420486D A BE420486D A BE 420486DA BE 420486 A BE420486 A BE 420486A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/02—Indicating arrangements
- H03J1/04—Indicating arrangements with optical indicating means
- H03J1/044—Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR49019T | 1937-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420486A true BE420486A (forum.php) |
Family
ID=8684253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE420486D BE420486A (forum.php) | 1937-05-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE420486A (forum.php) |
| FR (2) | FR815175A (forum.php) |
| GB (1) | GB507556A (forum.php) |
-
0
- BE BE420486D patent/BE420486A/xx unknown
-
1936
- 1936-12-18 FR FR815175D patent/FR815175A/fr not_active Expired
-
1937
- 1937-05-28 FR FR49019D patent/FR49019E/fr not_active Expired
- 1937-12-18 GB GB35136/37A patent/GB507556A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR815175A (fr) | 1937-07-07 |
| FR49019E (fr) | 1938-10-14 |
| GB507556A (en) | 1939-06-19 |