GB516924A - Improvements in or relating to condenser and coil assembly - Google Patents

Improvements in or relating to condenser and coil assembly

Info

Publication number
GB516924A
GB516924A GB20712/38A GB2071238A GB516924A GB 516924 A GB516924 A GB 516924A GB 20712/38 A GB20712/38 A GB 20712/38A GB 2071238 A GB2071238 A GB 2071238A GB 516924 A GB516924 A GB 516924A
Authority
GB
United Kingdom
Prior art keywords
condenser
core
plate
screwdriver
july
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
GB20712/38A
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Publication of GB516924A publication Critical patent/GB516924A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

516,924. Wireless receiving apparatus. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. July 13, 1938, No. 20712. Convention date, July 13, 1937. [Class 40 (v)] [Also in Group XXXVI] An iron-cored coil L and a trimmer condenser B<1>, B<2> are mounted co-axially on opposite sides of a ceramic plate P, apertures in the condenser and plate P enabling the core E to be adjusted by a screwdriver from the same side as the condenser. The latter comprises two semi-circular coatings B<1> B<2> on the plate P and the rotatable ceramic plate A, on which a polygonal boss Z is provided for adjustment. Fig. 2 shows a combination tool for adjusting both the core and condenser, the spanner portion HJR engaging Z while a screwdriver KC engages slot S. The shaft M is provided with a graduated scale to determine the adjustment of core E. G is an iron screening case for the coil.
GB20712/38A 1937-07-13 1938-07-13 Improvements in or relating to condenser and coil assembly Expired GB516924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE516924X 1937-07-13

Publications (1)

Publication Number Publication Date
GB516924A true GB516924A (en) 1940-01-16

Family

ID=6549383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20712/38A Expired GB516924A (en) 1937-07-13 1938-07-13 Improvements in or relating to condenser and coil assembly

Country Status (1)

Country Link
GB (1) GB516924A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631192A (en) * 1948-03-06 1953-03-10 Motorola Inc Permeability-tuned coupling unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631192A (en) * 1948-03-06 1953-03-10 Motorola Inc Permeability-tuned coupling unit

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