|
US3646750A
|
|
Electronic clockwork drive
|
|
US3605401A
|
|
Electronically powered clock
|
|
US3593200A
|
|
Electronic switching arrangement for time keeping equipment
|
|
US3546625A
|
|
Electronic clock without mechanical vibrator or regulator
|
|
US3518515A
|
|
Electronic driving circuit
|
|
US3596461A
|
|
Electromagnetic driving system for timepieces
|
|
US3524117A
|
|
Transistorized amplifier for electronic clockwork motor
|
|
US3524118A
|
|
Electronic oscillating motor timepiece drive
|
|
GB1132949A
|
|
Improvements in and relating to tachogenerators
|
|
GB1112228A
|
|
Improvements relating to electrical or electronic timepieces
|
|
GB1180402A
|
|
Improvements relating to Pulse Generating Circuits
|
|
US3443242A
|
|
Transistor pulse generator energizable from ac or dc
|
|
GB1157691A
|
|
Improvements relating to Oscillator Circuit Arrangements
|
|
GB1086306A
|
|
Improvements relating to electrical timepieces
|
|
GB1014959A
|
|
Electronic or electric timepieces operated by photoelectric components
|
|
GB1074595A
|
|
Improvements in an electric timepiece
|
|
GB1064855A
|
|
Improvements in electric timepieces
|
|
GB1059171A
|
|
Improvements in a control system for an electronic time-piece
|
|
GB1062791A
|
|
Improvements in electrically-driven mechanical oscillators
|
|
GB1059147A
|
|
Improvements in electric alarm clocks
|
