GB337112A - Improvements in or relating to indicating scales such as are used with the tuning controls of wireless receivers - Google Patents

Improvements in or relating to indicating scales such as are used with the tuning controls of wireless receivers

Info

Publication number
GB337112A
GB337112A GB2596329A GB2596329A GB337112A GB 337112 A GB337112 A GB 337112A GB 2596329 A GB2596329 A GB 2596329A GB 2596329 A GB2596329 A GB 2596329A GB 337112 A GB337112 A GB 337112A
Authority
GB
United Kingdom
Prior art keywords
scales
green
indicating
red
relating
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
GB2596329A
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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
Priority to NL29222D priority Critical patent/NL29222C/xx
Application filed by Gramophone Co Ltd filed Critical Gramophone Co Ltd
Priority to GB2596329A priority patent/GB337112A/en
Priority to FR698893D priority patent/FR698893A/fr
Publication of GB337112A publication Critical patent/GB337112A/en
Expired legal-status Critical Current

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

Landscapes

  • Structure Of Receivers (AREA)
  • Mechanical Control Devices (AREA)
GB2596329A 1929-08-26 1929-08-26 Improvements in or relating to indicating scales such as are used with the tuning controls of wireless receivers Expired GB337112A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL29222D NL29222C (enrdf_load_stackoverflow) 1929-08-26
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
FR698893D FR698893A (fr) 1929-08-26 1930-07-12 Graduations perfectionnées pour réglages de récepteurs

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
GB337112A true GB337112A (en) 1930-10-30

Family

ID=10236144

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2596329A Expired 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

Country Status (3)

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

Also Published As

Publication number Publication date
NL29222C (enrdf_load_stackoverflow)
FR698893A (fr) 1931-02-06

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