DE957137C - Radioempfaenger mit Bandspreizung - Google Patents

Radioempfaenger mit Bandspreizung

Info

Publication number
DE957137C
DE957137C DEP19327D DEP0019327D DE957137C DE 957137 C DE957137 C DE 957137C DE P19327 D DEP19327 D DE P19327D DE P0019327 D DEP0019327 D DE P0019327D DE 957137 C DE957137 C DE 957137C
Authority
DE
Germany
Prior art keywords
shortwave
reactance
tuning
radio receiver
capacitor
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
DEP19327D
Other languages
German (de)
English (en)
Inventor
Henri Blok
Henricus Adrianus Broos
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE957137C publication Critical patent/DE957137C/de
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Coils Or Transformers For Communication (AREA)
DEP19327D 1944-03-16 1948-10-23 Radioempfaenger mit Bandspreizung Expired DE957137C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250542X 1944-03-16

Publications (1)

Publication Number Publication Date
DE957137C true DE957137C (de) 1957-01-31

Family

ID=19781082

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP19327D Expired DE957137C (de) 1944-03-16 1948-10-23 Radioempfaenger mit Bandspreizung

Country Status (5)

Country Link
US (1) US2495624A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE463073A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH250542A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE957137C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB630991A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973181C (de) * 1944-06-27 1959-12-17 Georg Von Dipl-Ing Schaub Abstimmanordnung fuer kurze Wellen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE218574C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
DE513307C (de) * 1930-11-26 Siemens & Halske Akt Ges Drehkondensator mit mechanischen Rastpunkten
US2238752A (en) * 1939-02-28 1941-04-15 Philips Nv Radio receiver with band spreading
FR880105A (fr) * 1941-03-22 1943-03-15 Dispositif pour extension de bande

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL38349C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
NL41663C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1933-01-02
US2129026A (en) * 1933-03-09 1938-09-06 Rca Corp Tuning range adjustment device
US2288236A (en) * 1940-04-12 1942-06-30 Amalgamated Wireless Australas Tuning arrangement for radio signaling apparatus
US2312211A (en) * 1940-09-03 1943-02-23 Belmont Radio Corp Tuning system
GB552403A (en) * 1941-10-03 1943-04-06 Philips Nv Improvements in or relating to means for tuning wireless sets
GB551064A (en) * 1941-12-18 1943-02-05 Philips Nv Improvements in or relating to radio receivers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE218574C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
DE513307C (de) * 1930-11-26 Siemens & Halske Akt Ges Drehkondensator mit mechanischen Rastpunkten
US2238752A (en) * 1939-02-28 1941-04-15 Philips Nv Radio receiver with band spreading
FR880105A (fr) * 1941-03-22 1943-03-15 Dispositif pour extension de bande

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973181C (de) * 1944-06-27 1959-12-17 Georg Von Dipl-Ing Schaub Abstimmanordnung fuer kurze Wellen

Also Published As

Publication number Publication date
BE463073A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH250542A (de) 1947-08-31
GB630991A (en) 1949-10-25
US2495624A (en) 1950-01-24

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