NL29222C - - Google Patents

Info

Publication number
NL29222C
NL29222C NL29222DA NL29222C NL 29222 C NL29222 C NL 29222C NL 29222D A NL29222D A NL 29222DA NL 29222 C NL29222 C NL 29222C
Authority
NL
Netherlands
Application number
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.)
Publication of NL29222C publication Critical patent/NL29222C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/044—Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination
NL29222D 1929-08-26 NL29222C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2596329A GB337112A (en) 1929-08-26 1929-08-26 Improvements in or relating to indicating scales such as are used with the tuning controls of wireless receivers

Publications (1)

Publication Number Publication Date
NL29222C true NL29222C (de)

Family

ID=10236144

Family Applications (1)

Application Number Title Priority Date Filing Date
NL29222D NL29222C (de) 1929-08-26

Country Status (3)

Country Link
FR (1) FR698893A (de)
GB (1) GB337112A (de)
NL (1) NL29222C (de)

Also Published As

Publication number Publication date
FR698893A (fr) 1931-02-06
GB337112A (en) 1930-10-30

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