TREA

indicating the time optically by electric means

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Industry

  • CPC
  • G04C17/00
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES

Current Industry

G04C17/00indicating the time optically by electric means

Sub Industries

G04C17/0008by bands G04C17/0016with date indication G04C17/0025by flaps G04C17/0033with date indication G04C17/0041by a combination of different types of indicating devices G04C17/005by discs G04C17/0058with date indication G04C17/0066electromagnetically driven G04C17/0075by drums or drum-like devices G04C17/0083with date indication G04C17/0091Combined electro-optical and electro-mechanical displays G04C17/02by electric lamps
Industries