Assembly for fastening the clockwork and the gongblock of a cloc

Attenuation-modulation circuit for generating electronic bell so

Bellowless cuckoo clock

Clock chime with shutoff

Combined electronic calculator and electronic alarm timepiece

Device for timepiece electronically signalling a time by melody

Device to permit reproducing or player pianos to serve as musica

Electronic alarm timepiece

Electronic clock striking mechanism

Electronic sound generating circuit for generation bell toll

Electronic timepiece with a sound generator

Electronic timepiece with variable melody alarm faculties

Melody alarm timepiece

Minature electronic apparatus having alarm sound generating func

Musical envelope control device

Musical module for a watch movement

Musical module for a watch movement

Portable clock with chime signal

Sound supplemented clock system

Sound-scale generation device and time-announcing clock