G04B23/02 - CPC Classification Index

ClassID:

179139 ⎘

G04B23/02 - CPC Classification

Classification description:

Arrangements producing acoustic signals at preselected times Alarm clocks

Sub-classes:

G04B23/021 » {Controls (winding up the alarm; adjusting and indicating the waking time)} 6
G04B23/023 » {Driving, e.g. by springs or common drive with the clockwork; gears; escapements } 4
G04B23/025 » {Signal triggering } 2
G04B23/026 » {Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators} 23
G04B23/028 » {Sounding bodies; boxes used as sounding cases; fixation on or in the case } 25
G04B23/03 » Alarm signal stop arrangements 6
G04B23/04 » with coarse and fine setting of the preselected times 0
G04B23/06 » adjustable for several preselected times with automatic stopping of the signal 2
G04B23/08 » operating on successive days without resetting; operating only once in each 24 hours 3
G04B23/10 » with pre-signal; with repeated signal; with changeable intensity of sound 2
G04B23/12 » Alarm watches to be worn in pockets or on the wrist 23

Recent Application in this class:

20170319816

SLEEP AND WAKE ENVIRONMENT APPARATUS

20140073299

Mobile terminal and controlling method thereof

20120243385

Mechanism for selectively stopping the striking mechanisms of a timepiece according to the available drive torque

14605819

Waking alarm with detection and aiming of an alarm signal at a single person