NL57657C - - Google Patents
Info
- Publication number
- NL57657C NL57657C NL57657DA NL57657C NL 57657 C NL57657 C NL 57657C NL 57657D A NL57657D A NL 57657DA NL 57657 C NL57657 C NL 57657C
- 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
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
- H03J1/14—Special arrangements for fine and coarse tuning
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE212748X | 1937-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57657C true NL57657C (fr) |
Family
ID=3865964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57657D NL57657C (fr) | 1937-04-07 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH212748A (fr) |
| FR (1) | FR836228A (fr) |
| GB (1) | GB493256A (fr) |
| NL (1) | NL57657C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020389A (en) * | 1989-08-30 | 1991-06-04 | Robertshaw Controls Company | Control device having push to turn selector means and method of making the same |
| US5121653A (en) * | 1989-08-30 | 1992-06-16 | Robertshaw Controls Company | Control device having a push to turn selector means |
-
0
- NL NL57657D patent/NL57657C/xx active
-
1938
- 1938-02-04 GB GB3576/38A patent/GB493256A/en not_active Expired
- 1938-04-05 FR FR836228D patent/FR836228A/fr not_active Expired
- 1938-04-07 CH CH212748D patent/CH212748A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR836228A (fr) | 1939-01-12 |
| CH212748A (fr) | 1940-12-15 |
| GB493256A (en) | 1938-10-05 |