GB523584A - Improvements in or relating to variable electric condensers - Google Patents
Improvements in or relating to variable electric condensersInfo
- Publication number
- GB523584A GB523584A GB625/39A GB62539A GB523584A GB 523584 A GB523584 A GB 523584A GB 625/39 A GB625/39 A GB 625/39A GB 62539 A GB62539 A GB 62539A GB 523584 A GB523584 A GB 523584A
- Authority
- GB
- United Kingdom
- Prior art keywords
- outer member
- electrode
- section
- jan
- bore
- 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
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
523,584. Variable condensers. FIDES GES. FUR DIE VEBWALTUN'G UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTEN. Jan. 7, 1939, No. 625. Convention'date, Jan. 7, 1938. [Class 37] One electrode 31 is borne on the outside of a tubular ceramic &c. member 26 having a bore into which is fitted a tubular or solid member 28 carrying a second electrode or electrodes 29, 30 shown as covering a part of the inner surface of a tube. By rotating the inner member the capacity between the electrodes is varied owing to the varying of the thickness of the dielectric. Variation in the nature of the dielectric' can be introduced by having bores 32 containing air. The inner electrode is screened in all positions by the outer. In modifications, the outer member is of circular section, the bore being eccentrically placed, or the outer member may have a section of spiral outline and air bores are of circular, flat or arcuate section. In the modification, Fig. 13, variation of capacity can be effected by either axial movement or rotation or a combination of both, by making the outer member 39 of varying crosssection along its length and longer than the inner member 42. In this case, also, air chambers 44 may be introduced into the outer member.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE523584X | 1938-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB523584A true GB523584A (en) | 1940-07-17 |
Family
ID=6552012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB625/39A Expired GB523584A (en) | 1938-01-07 | 1939-01-07 | Improvements in or relating to variable electric condensers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB523584A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE963894C (en) * | 1952-09-26 | 1957-05-16 | Felten & Guilleaume Carlswerk | Electrical capacitor unit, consisting of a main capacitor and a parallel-connected balancing capacitor |
| US2984776A (en) * | 1958-03-20 | 1961-05-16 | Charles T Barnes | Variable condenser |
| DE1135101B (en) * | 1956-02-24 | 1962-08-23 | Hermsdorf Keramik Veb | Adjustable ceramic capacitor, especially trimmer capacitor |
-
1939
- 1939-01-07 GB GB625/39A patent/GB523584A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE963894C (en) * | 1952-09-26 | 1957-05-16 | Felten & Guilleaume Carlswerk | Electrical capacitor unit, consisting of a main capacitor and a parallel-connected balancing capacitor |
| DE1135101B (en) * | 1956-02-24 | 1962-08-23 | Hermsdorf Keramik Veb | Adjustable ceramic capacitor, especially trimmer capacitor |
| US2984776A (en) * | 1958-03-20 | 1961-05-16 | Charles T Barnes | Variable condenser |
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