NL39161C - - Google Patents
Info
- Publication number
- NL39161C NL39161C NL39161DA NL39161C NL 39161 C NL39161 C NL 39161C NL 39161D A NL39161D A NL 39161DA NL 39161 C NL39161 C NL 39161C
- Authority
- NL
- Netherlands
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US646074A US2166674A (en) | 1932-12-07 | 1932-12-07 | Indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL39161C true NL39161C (fr) |
Family
ID=24591635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL39161D NL39161C (fr) | 1932-12-07 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2166674A (fr) |
| DE (1) | DE704870C (fr) |
| NL (1) | NL39161C (fr) |
-
0
- NL NL39161D patent/NL39161C/xx active
-
1932
- 1932-12-07 US US646074A patent/US2166674A/en not_active Expired - Lifetime
-
1933
- 1933-12-06 DE DER89370D patent/DE704870C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE704870C (de) | 1941-04-09 |
| US2166674A (en) | 1939-07-18 |