FR776635A - Improvements to tracking devices - Google Patents
Improvements to tracking devicesInfo
- Publication number
- FR776635A FR776635A FR776635DA FR776635A FR 776635 A FR776635 A FR 776635A FR 776635D A FR776635D A FR 776635DA FR 776635 A FR776635 A FR 776635A
- Authority
- FR
- France
- Prior art keywords
- tracking devices
- tracking
- devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR776635T | 1933-10-18 | ||
FR45514T | 1934-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR776635A true FR776635A (en) | 1935-01-30 |
Family
ID=62295930
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR776635D Expired FR776635A (en) | 1933-10-18 | 1933-10-18 | Improvements to tracking devices |
FR45514D Expired FR45514E (en) | 1933-10-18 | 1934-05-12 | Improvements to tracking devices |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR45514D Expired FR45514E (en) | 1933-10-18 | 1934-05-12 | Improvements to tracking devices |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR776635A (en) |
-
1933
- 1933-10-18 FR FR776635D patent/FR776635A/en not_active Expired
-
1934
- 1934-05-12 FR FR45514D patent/FR45514E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR45514E (en) | 1935-09-12 |
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