Break away alarm clock
Capacitive charge pump driver circuit for piezoelectric alarm
Circuit for an electronic clock having a parallel-connected alar
Clock chime with shutoff
Clock with lid-activated snooze alarm
Clock with selective visual alarm indicators
Clock, especially striker clock
Combined electronic calculator and electronic alarm timepiece
Device for fixing at least one striking gong in timepiece...
Device for stopping the striking of a clock at night
Device for timepiece electronically signalling a time by melody
Device to permit reproducing or player pianos to serve as musica
Device to trigger buzzing of alarm clock
Digital alarm clock with user-selectable alarm sound source...
Display device with transparent cover as a vibrator of a sound g
Electric alarm clock
Electric alarm wristwatch including cylindrical sound tube for t
Electrical connection construction for electronic timepiece
Electricity supply structure for a piezoelectric vibrator
Electro-acoustic device for alarm watch