H03J1/04 - CPC Classification

Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general; Indicating arrangements with optical indicating means

• H03J1/041 » {Pointers, markers, or the like, for tuning dials; Folding dials} 0
• H03J1/042 » {Means insuring a precise reading of the dial, e.g. special scale, local illumination possibly temporary, luminous point moving with the pointer} 0
• H03J1/044 » {Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination} 1
• H03J1/045 » {Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like} 1

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