Oscillatory or reciprocatory motion to rotary motion...

Pawl and ratchet mechanism for converting a vibratory motion...

Plug-in twenty-four hour time switch

Programmable clock

Programmable light activated timing device

Programmable signal clock with electronic appointments...

Pulse shaping circuit using complementary mos devices

Push button particularly for a watch case

Pusher and switch device for electronic watch

Quartz analog watch movement with lavet-stepping motor and...

Quartz controlled chronometer

Radio clock mechanism having drowse feature

Radio time signal clock correcting means

Real time clock using computer and separate counting means

Reduction gear of electronic wristwatch with stepping motor...

Reminder clock

Reserve drive mechanism for master clock

Rewind switch for electric clock

Rocking motor for low cost quartz

Satellite controlled clock