DE1081072B - Kurzwellenempfaenger - Google Patents

Kurzwellenempfaenger

Info

Publication number
DE1081072B
DE1081072B DEP2146D DEP0002146D DE1081072B DE 1081072 B DE1081072 B DE 1081072B DE P2146 D DEP2146 D DE P2146D DE P0002146 D DEP0002146 D DE P0002146D DE 1081072 B DE1081072 B DE 1081072B
Authority
DE
Germany
Prior art keywords
shortwave
tuning
changed
ranges
receiver
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.)
Pending
Application number
DEP2146D
Other languages
German (de)
English (en)
Inventor
Theodorus Antonius Spoor
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
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 Philips Patentverwaltung GmbH filed Critical Philips Patentverwaltung GmbH
Priority to DEP2146D priority Critical patent/DE1081072B/de
Publication of DE1081072B publication Critical patent/DE1081072B/de
Pending 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
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
    • H01F21/065—Measures for obtaining a desired relation between the position of the core and the inductance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DEP2146D 1938-10-13 1939-06-28 Kurzwellenempfaenger Pending DE1081072B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP2146D DE1081072B (de) 1938-10-13 1939-06-28 Kurzwellenempfaenger

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE536412X 1938-10-13
DE2285029X 1939-06-22
DE2252100X 1939-06-28
DEP2146D DE1081072B (de) 1938-10-13 1939-06-28 Kurzwellenempfaenger

Publications (1)

Publication Number Publication Date
DE1081072B true DE1081072B (de) 1960-05-05

Family

ID=32096473

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP2146D Pending DE1081072B (de) 1938-10-13 1939-06-28 Kurzwellenempfaenger

Country Status (6)

Country Link
US (2) US2252100A (enrdf_load_stackoverflow)
BE (1) BE440362A (enrdf_load_stackoverflow)
DE (1) DE1081072B (enrdf_load_stackoverflow)
FR (3) FR860823A (enrdf_load_stackoverflow)
GB (1) GB536412A (enrdf_load_stackoverflow)
NL (1) NL64971C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302415A (en) * 1992-12-08 1994-04-12 E. I. Du Pont De Nemours And Company Electroless plated aramid surfaces and a process for making such surfaces

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE442583A (enrdf_load_stackoverflow) * 1940-08-28
DE761144C (de) * 1941-01-27 1952-11-10 Telefunken Gmbh Empfaenger mit Bandspreizung im Kurzwellenbereich
DE976578C (de) * 1941-04-11 1963-12-05 Siemens Ag Variometeranordnung mit verschiedenen Variationsbereichen
BE446251A (enrdf_load_stackoverflow) * 1941-07-01
DE952184C (de) * 1942-03-14 1956-11-15 Lorenz C Ag Empfaenger mit Permeabilitaetsabstimmung durch Verschieben von Eisenkernen fuer Bandspreizung
US2424506A (en) * 1942-10-24 1947-07-22 Rca Corp Permeability-tuned short-wave spread-band receiver
DE963884C (de) * 1949-03-04 1957-05-16 Siemens Ag Schaltung zur Frequenznachstellung
DE933346C (de) * 1950-10-21 1955-09-22 Siemens Ag Variometer mit beweglichem Eisenkern, insbesondere zur Kurzwellenbandspreizung in Rundfunkgeraeten
DE864894C (de) * 1951-03-15 1953-01-29 Saba Gmbh Vorrichtung zum Feinabstimmen hochfrequenter Schwingungskreise, vorzugsweise fuer Rundfunkgeraete
DE902265C (de) * 1951-11-20 1954-01-21 Oskar Vierling Dr Abstimmanordnung und Aufbau von Kleinempfaengern
DE4012265A1 (de) * 1990-04-17 1991-10-24 Toepholm & Westermann Schaltungsanordnung fuer einen ausgangstankkreis einer mit frequenzumtastung betriebenen sender-endstufe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302415A (en) * 1992-12-08 1994-04-12 E. I. Du Pont De Nemours And Company Electroless plated aramid surfaces and a process for making such surfaces
US5422142A (en) * 1992-12-08 1995-06-06 E. I. Du Pont De Nemours And Company Process for making electroless plated aramid fibrids

Also Published As

Publication number Publication date
FR860823A (fr) 1941-01-24
FR51427E (fr) 1942-06-24
BE440362A (enrdf_load_stackoverflow)
US2285029A (en) 1942-06-02
NL64971C (enrdf_load_stackoverflow)
GB536412A (en) 1941-05-14
US2252100A (en) 1941-08-12
FR51420E (fr) 1942-06-24

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