GB359901A - High frequency transformer - Google Patents

High frequency transformer

Info

Publication number
GB359901A
GB359901A GB9847/31A GB984731A GB359901A GB 359901 A GB359901 A GB 359901A GB 9847/31 A GB9847/31 A GB 9847/31A GB 984731 A GB984731 A GB 984731A GB 359901 A GB359901 A GB 359901A
Authority
GB
United Kingdom
Prior art keywords
coupling
winding
class
high frequency
frequency transformer
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
Application number
GB9847/31A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Publication of GB359901A publication Critical patent/GB359901A/en
Expired legal-status Critical Current

Links

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
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/04—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by relative movement of turns or parts of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

359,901. Transformers. HAZELTINE CORPORATION, 15, Exchange Place, Jersey City, New Jersey, U.S.A.-(Assignees of Wheeler, H. A. ; 78, 22nd Street, Jackson Heights, New York, U.S.A.) April 23, 1930, No. 9847/31. Convention date, June 20, 1929. Divided on 359,890. [Class 38 (ii).] A high frequency transformer comprises three helical windings L3, L1, L2 of successively decreasing diameters, L2, L3 being primaries and L1 a secondary, mounted coaxially one within the other in fixed spacial relationship to produce close magnetic coupling between L2 and L1, moderate magnetic coupling between L1 and L3, and loose coupling between L3 and L2. Further, the winding positions are so adjusted that the product of the coupling coefficients between L3, Ll and L2, L1 equals the coupling coefficient between L2, L3. The Specification states that the winding L3 can be connected so that it will act as an electromagnetic and an electrostatic shield. Winding dimensions and inductance values are given in the Specification. Specifications 273,639, 315,399, [both in Class 40 (v), Wireless signalling &c.], and 359,890 are referred to.
GB9847/31A 1929-06-20 1930-04-23 High frequency transformer Expired GB359901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359901XA 1929-06-20 1929-06-20

Publications (1)

Publication Number Publication Date
GB359901A true GB359901A (en) 1931-10-23

Family

ID=21885955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9847/31A Expired GB359901A (en) 1929-06-20 1930-04-23 High frequency transformer

Country Status (1)

Country Link
GB (1) GB359901A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429976A1 (en) * 1984-08-16 1986-02-27 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Coil having a pin core which can be magnetised

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429976A1 (en) * 1984-08-16 1986-02-27 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Coil having a pin core which can be magnetised

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