GB499359A - Improved radio receiving apparatus comprising means for facilitating tuning - Google Patents

Improved radio receiving apparatus comprising means for facilitating tuning

Info

Publication number
GB499359A
GB499359A GB20555/38A GB2055538A GB499359A GB 499359 A GB499359 A GB 499359A GB 20555/38 A GB20555/38 A GB 20555/38A GB 2055538 A GB2055538 A GB 2055538A GB 499359 A GB499359 A GB 499359A
Authority
GB
United Kingdom
Prior art keywords
relay
contact
receiver
circuit
tuning
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
GB20555/38A
Other languages
English (en)
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
Publication of GB499359A publication Critical patent/GB499359A/en
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
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning

Landscapes

  • Circuits Of Receivers In General (AREA)
GB20555/38A 1937-07-14 1938-07-11 Improved radio receiving apparatus comprising means for facilitating tuning Expired GB499359A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE208701X 1937-07-14
CH200206T 1938-07-14

Publications (1)

Publication Number Publication Date
GB499359A true GB499359A (en) 1939-01-23

Family

ID=25723446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20555/38A Expired GB499359A (en) 1937-07-14 1938-07-11 Improved radio receiving apparatus comprising means for facilitating tuning

Country Status (4)

Country Link
CH (1) CH208701A (enrdf_load_stackoverflow)
FR (1) FR49627E (enrdf_load_stackoverflow)
GB (1) GB499359A (enrdf_load_stackoverflow)
NL (1) NL58317C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH208701A (de) 1940-02-15
NL58317C (enrdf_load_stackoverflow) 1946-09-16
FR49627E (fr) 1939-05-16

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