US2222770A - Inductance coil and condenser assembly - Google Patents

Inductance coil and condenser assembly Download PDF

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Publication number
US2222770A
US2222770A US218945A US21894538A US2222770A US 2222770 A US2222770 A US 2222770A US 218945 A US218945 A US 218945A US 21894538 A US21894538 A US 21894538A US 2222770 A US2222770 A US 2222770A
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US
United States
Prior art keywords
disk
condenser
plate
coil
inductance coil
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 - Lifetime
Application number
US218945A
Other languages
English (en)
Inventor
Hartl Ludwig
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
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 filed Critical Telefunken AG
Application granted granted Critical
Publication of US2222770A publication Critical patent/US2222770A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/006—One-port networks comprising only passive electrical elements as network components comprising simultaneously tunable inductance and capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S7/00—Compound tools
    • Y10S7/901—Magnetic feature

Definitions

  • the iron-cored coil and the trimming condenser are mounted in a coaxial way, more particularly on opposite sides of an apertured or perforated insulation plate or slab in such a way that they may be adjusted 10 from one and the same side or end.
  • FIG. 1 An exemplified embodiment of the invention is shown in Fig. 1.
  • the plate or slab P made 20 of a suitable ceramic material is disposed the casing or can G for the coil L, the can consisting of iron.
  • the iron-core E Introduced in the top hole of the casing is the iron-core E, the latter at its opposite end being provided with a slot S adapted to intro 25 quiz therein the working edge of a screw driver.
  • the trimming or aligning condenser in such a way that its rotating spindle coincides with the axis of the iron core E.
  • This alining condenser comprises 30 the coat B1 placed directly or, if desired, recessed or countersunk, on the insulator plate P, and the revoluble ceramic plate or disk A bearing upon its under face the second coat B2 recessed therein.
  • a suitable bearing means Q is provided for the 5 plate or disk A and is preferably mounted on the under side of the plate P.
  • the two coats consist of semi-circles, and plate A has two stops which are so disposed that in one end or terminal position the coats come to be superposed in regis- 40 try relationship, while in the other end position displaced an angle of 180 degrees, coat B2 is positioned above the portion of plate P having no coat.
  • the revoluble disk has a polygonal co-axial pin 45 or journal Z which serves to rotate the disk A by the aid of a wrench.
  • the said journal Z, the disk A as well as the plate P are provided with a bore hole through which a screw driver may be passed whose working edge is introduced in the slot S so that the iron-core may be caused to shift axially by screw motion.
  • a suitable adjusting device for the described arrangement is shown in Fig. 2.
  • the same consists of a cylinder I being built in the form of 55 a wrench R at one end of a size so as to fit the polygonal journal or stud Z.
  • the cylinder is provided with a milled or knurled rim H which serves for convenient turning of the cylinder and thus of the mobile (rotor) condenser member.
  • a screw driver 0 which serves to shift the iron core E.
  • a head piece K At its end opposite the edge of same is fitted with a head piece K and adjoining the latter is a graduated scale M.
  • the two settings may be 16 effected by one and the same operation.
  • the size of the axial shift of the iron-core may be read on the scale M.
  • the bent-away ends or flanges U of the casing or can G may be fastened on top of the plate P, 20 say, by means of screws.
  • the plate P moreover is suitably fitted with contacts or terminals by way of which connection is established with other parts of the set.
  • the connections between the coil and the trimming condenser could also be insured directly through the plate or disk P.
  • a disk of insulation material having an opening provided on said disk along the axis thereof, an inductance coil positioned on one side of the disk co-axially therewith, a core for said coil mounted so that its axis is in substantial alignment with the axis of the coil, said core being arranged so as to be adjustable along the axis of the coil to provide for varying the inductance value of the coil, a second disk of insulation material having an opening along its axis, said second disk being mounted for rotation about its axis and so that the axis of the first disk and the axis of the second disk coincide, a condenser having a stator electrode mounted on said first disk and a rotor electrode mounted on said rotatable disk whereby the capacity value of the condenser may be varied by rotating the second disk about its axis with respect to the first disk, the openings in the first and second disks being of sufficient size to permit a core adjusting device to
  • an inductance coil and condenser assembly a disk having a central opening, an inductance coil provided with an adjustable core said coil being mounted on one side of said disk and ardenser being provided with an opening registering with the opening in the disk whereby the core may be adjusted from the last named side of said disk.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
US218945A 1937-07-13 1938-07-13 Inductance coil and condenser assembly Expired - Lifetime US2222770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2222770X 1937-07-13

Publications (1)

Publication Number Publication Date
US2222770A true US2222770A (en) 1940-11-26

Family

ID=7990928

Family Applications (1)

Application Number Title Priority Date Filing Date
US218945A Expired - Lifetime US2222770A (en) 1937-07-13 1938-07-13 Inductance coil and condenser assembly

Country Status (2)

Country Link
US (1) US2222770A (de)
CH (1) CH204625A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435630A (en) * 1945-06-02 1948-02-10 Automatic Mfg Corp Tuned transformer assembly
US2445700A (en) * 1946-03-14 1948-07-20 Collins Radio Co High-frequency tuning unit
US2495302A (en) * 1945-02-03 1950-01-24 Myron T Wilde Vacuum tube with built-in tuned inductance
US2503100A (en) * 1945-08-24 1950-04-04 Rca Corp Adjustably tuned coupling unit
US2516287A (en) * 1948-05-12 1950-07-25 Sylvania Electric Prod Tuning unit
US2915637A (en) * 1953-11-30 1959-12-01 Int Electronic Res Corp Tuning system for toroid inductors
KR100450703B1 (ko) * 1994-05-17 2004-10-01 알러간, 인코포레이티드 시각 조직에의 국부 도포를 위한 누선 특효 유제

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495302A (en) * 1945-02-03 1950-01-24 Myron T Wilde Vacuum tube with built-in tuned inductance
US2435630A (en) * 1945-06-02 1948-02-10 Automatic Mfg Corp Tuned transformer assembly
US2503100A (en) * 1945-08-24 1950-04-04 Rca Corp Adjustably tuned coupling unit
US2445700A (en) * 1946-03-14 1948-07-20 Collins Radio Co High-frequency tuning unit
US2516287A (en) * 1948-05-12 1950-07-25 Sylvania Electric Prod Tuning unit
US2915637A (en) * 1953-11-30 1959-12-01 Int Electronic Res Corp Tuning system for toroid inductors
KR100450703B1 (ko) * 1994-05-17 2004-10-01 알러간, 인코포레이티드 시각 조직에의 국부 도포를 위한 누선 특효 유제

Also Published As

Publication number Publication date
CH204625A (de) 1939-05-15

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