TREA

Producing acoustic time signals

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Industry

  • CPC
  • G04G13/00
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Parent Industries

GPHYSICS G04Horology G04GELECTRONIC TIME-PIECES

Current Industry

G04G13/00Producing acoustic time signals

Sub Industries

G04G13/02at preselected times G04G13/021Details G04G13/023Adjusting the duration or amplitude of signals G04G13/025acting only at one preselected time G04G13/026acting at a number of different times G04G13/028combined with a radio
Industries