GB100384A - Improvements in Radiotelegraphy Apparatus. - Google Patents
Improvements in Radiotelegraphy Apparatus.Info
- Publication number
- GB100384A GB100384A GB339/16A GB33916A GB100384A GB 100384 A GB100384 A GB 100384A GB 339/16 A GB339/16 A GB 339/16A GB 33916 A GB33916 A GB 33916A GB 100384 A GB100384 A GB 100384A
- Authority
- GB
- United Kingdom
- Prior art keywords
- primary
- segment
- coil
- wound
- pivoted
- 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
- 238000004804 winding Methods 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/005—Inductances without magnetic core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
100,384. Jackson, W. J. Mellersh- (Arbib, A.). Jan. 7, 1916. Transformers.-An adjustable transformer for wireless telegraphy comprises a primary coil with two or more mutually-inductive and relativelymovable subdivisions, a similar secondary coil, and means for adjusting the coupling of the primary and secondary coils. As shown in Fig. 1, one subdivision of the primary coil is wound on a cylinder 6 secured to a standard 2, and the other subdivision is wound on a cylinder 5, which may be telescoped over the cylinder 6. The secondary coils are similarly wound on cylinders 7, 8, which may be telescoped one within the other, and both may be telescoped into the coil 6. The subdivisions of both primary and secondary coils may be connected in series or in parallel, and may be wound so as to assist or to oppose each other. In a modification, shown in plan in Fig. 9, the coils are wound on spherical segments. The movable support 17 carrying one division of the primary coil is pivoted on a vertical pin 18 so as to swing relatively to the fixed segment 16. The segment 20 carrying one of the secondary coil divisions is pivoted on vertical trunnions 21 projecting inwards from the segment 17, and the inner segment 22 carrying the other secondary coil division is pivoted within the segment 20 by means of radial horizontal pins 23. The self-induction of the primary is adjusted by swinging the segment 17 by the handle 19, and that of me secondary by turning the pins 23 and inner segment 22 through any angle less than 360 degrees. A pointer 28 indicates the latter adjustment on a disk or knob 24. The secondary may then be adjusted relatively to the primary by rocking the outer and inner segments 20, 22 as one unit about the vertical trunnions 21. The primary windings 16<a>, 17<a>, Fig. 11, are in series and are connected to the binding-posts 34, 36 through a switch 35, which may be thrown over so as to cause the two windings to assist or to oppose each other. The secondary windings are connected to posts 30, 33 through the trunnion pins 21, 23.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB339/16A GB100384A (en) | 1916-01-07 | 1916-01-07 | Improvements in Radiotelegraphy Apparatus. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB339/16A GB100384A (en) | 1916-01-07 | 1916-01-07 | Improvements in Radiotelegraphy Apparatus. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB100384A true GB100384A (en) | 1916-05-11 |
Family
ID=32242517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB339/16A Expired GB100384A (en) | 1916-01-07 | 1916-01-07 | Improvements in Radiotelegraphy Apparatus. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB100384A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824644A (en) * | 1971-08-19 | 1974-07-23 | H Stranzinger | Floating element, floating assembly, and connecting bolt |
-
1916
- 1916-01-07 GB GB339/16A patent/GB100384A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824644A (en) * | 1971-08-19 | 1974-07-23 | H Stranzinger | Floating element, floating assembly, and connecting bolt |
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