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| 2F001 | Electromechanical clock step motors and their surroundings | |
| G04C3/14 -3/14@Z | ||
| G04C3/14-3/14@Z | AA | AA00 PURPOSE |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | |
| . Size reduction | . Thickness minimization | . Ease of manufacturing | . Use in combination with circuits and parts | . Reduced electric power consumption | . Compensation, protection, and warning | . . Magnetic force | . . Shocks | . Inspection | ||||
| AB | AB00 USES |
AB01 | AB02 | |||||||||
| . Watches | . Clocks | |||||||||||
| AC | AC00 MATERIALS |
AC01 | ||||||||||
| . Plastics | ||||||||||||
| AD | AD00 ELECTRICAL SOURCES |
AD01 | ||||||||||
| . Batteries | ||||||||||||
| AE | AE00 INDICATION FEATURES |
AE01 | AE02 | AE03 | AE04 | |||||||
| . Double hands | . Hands that operate continuously | . Hands that operate alternately | . Digital means | |||||||||
| AF | AF00 ADDITIONAL FUNCTIONS |
AF01 | AF02 | AF03 | AF04 | |||||||
| . World-time watches | . Calendars | . . Automatic calendars | . Illumination | |||||||||
| AG | AG00 STRUCTURE |
AG01 | AG02 | AG03 | AG04 | AG05 | AG06 | AG07 | AG08 | AG09 | ||
| . Configuration | . Positioning | . Protection against dropping | . Transmission mechanisms | . . Wheel arrangement | . . . Gears | . Base plates | . Circuit boards | . Casings | ||||
| AG11 | AG12 | AG13 | AG14 | AG15 | AG16 | |||||||
| . Rotary motors | . . Stators | . . Rotors | . . Coils | . Reciprocating motors | . Use of multiple motors | |||||||
| AH | AH00 CIRCUITS |
AH01 | AH02 | AH03 | AH04 | AH05 | AH06 | AH07 | AH08 | AH09 | AH10 | |
| . Motor driving with pulse-width control | . Motor driving with pulse- height control | . Motor driving with modulation | . Motor driving with compensation pulses | . Control of reverse rotation | . Braking | . Rotating motion detection | . . Rotating motion detectors connected to driving coils | . . . Detection by drive currents | . Integrated circuits (IC) |