Time detecting switch for an alarm clock

Time detecting switch for clock

Time striking device for electronic timepiece

Time-to-voltage converter

Timed chime system

Timepiece Comprising an electro-acoustic transducer

Timepiece driven by a source of mechanical energy and regulated

Timepiece provided with open dial plate

Timepiece provided with open dial plate

Timepiece with a quartz watch movement and an electrically contr

Timepiece with alarm function including annular diaphragm to acc

Timepiece with built-in timer

Timepiece with modular alarm activating mechanism

Timer with selectable alert modes

Timing device

Travel alarm clock with automatic slow motion setup