GB342246A - Improvements in and relating to rheostats - Google Patents
Improvements in and relating to rheostatsInfo
- Publication number
- GB342246A GB342246A GB22691/30A GB2269130A GB342246A GB 342246 A GB342246 A GB 342246A GB 22691/30 A GB22691/30 A GB 22691/30A GB 2269130 A GB2269130 A GB 2269130A GB 342246 A GB342246 A GB 342246A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piles
- resistance
- plate
- inelastic
- containers
- 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
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
- H01C10/12—Adjustable resistors adjustable by mechanical pressure or force by changing surface pressure between resistive masses or resistive and conductive masses, e.g. pile type
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Air Bags (AREA)
Abstract
342,246. Compression resistances. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Woodcock, V. E. ; 713, The Argonne, Washington, U.S.A.) July 28, 1930, No. 22691. Convention date, July 27, 1929. [Class 37.] In a compressible pile resistance, in order to vary the change of resistance in a predetermined manner for uniform advance of the actuators 5, 6, Fig. 1, elastic bags 11 which may be made of rubber are inflated, enclosed and placed (enclosed in inelastic containers 9) between the resistance piles 1 and the actuating means 5, 6. The inelastic containers are formed by a metal plate 3, which transmits the pressure to the compressible carbon piles and also connects them together, and rigid cylindrical or other shaped members 9 attached to said plate 3. Springs 2 press the plate 3 away from the piles 1. The rate at which the resistance of the piles is varied depends upon the resistance characteristic of the piles with respect to applied pressure, the nature and initial pressure of the gas in the inflated bags 11, the shape of the inelastic containers 9 and the rate of advance of the actuator 5. In a modification, Fig. 3, as applied to a single pile rheostat the gas bag is held within a concave actuator 10 the edges of which contact with the plate 3 when the inherent resistance characteristic of the pile has been passed, thrust being thereafter transmitted positively.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US342246XA | 1929-07-27 | 1929-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB342246A true GB342246A (en) | 1931-01-29 |
Family
ID=21875065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22691/30A Expired GB342246A (en) | 1929-07-27 | 1930-07-28 | Improvements in and relating to rheostats |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB342246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19606408A1 (en) * | 1996-02-21 | 1997-08-28 | Contelec Ag | Variable resistive element with polymer-film force-sensing resistor |
-
1930
- 1930-07-28 GB GB22691/30A patent/GB342246A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19606408A1 (en) * | 1996-02-21 | 1997-08-28 | Contelec Ag | Variable resistive element with polymer-film force-sensing resistor |
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