EP 0950933 A4 20000405 - ANALOG ELECTRONIC CLOCK
Title (en)
ANALOG ELECTRONIC CLOCK
Title (de)
ELEKTRONISCHE ANALOGUHR
Title (fr)
MONTRE ELECTRONIQUE ANALOGIQUE
Publication
Application
Priority
- JP 9800033 W 19980108
- JP 141697 A 19970108
- JP 256997 A 19970110
Abstract (en)
[origin: WO9830939A1] A weight (20) is added, to lessen moment as the whole rotary body, at least to a part of the rotary body including a hand (8) and train wheels (11, 2, 12, 3) for the rotation of the hand, in order to make a disturbance energy which a step motor (1) receives by an external impact, less than a small holding energy which the step motor (1) used in an analog electronic clock retains, or a thin part, a through hole, or a notch is formed at least in a part of said rotary body, or a part of the rotary members is formed by the combination of members with different specific gravities from each other. Transmission of the disturbance energy occurring at the hand part to the step motor (1) is prevented by providing a reverse transmission preventing gear at a part of said train wheels.
IPC 1-7
IPC 8 full level
G04B 19/02 (2006.01); G04B 19/04 (2006.01)
CPC (source: EP)
G04B 19/02 (2013.01); G04B 19/042 (2013.01)
Citation (search report)
- [XY] US 4676662 A 19870630 - SEKIDO CHIAKI [JP]
- [XY] FR 2584206 A1 19870102 - LUSSAULT CIE SA ETS [FR]
- [XY] US 4674891 A 19870623 - RITCHIE DOUGLAS [US]
- See references of WO 9830939A1
Designated contracting state (EPC)
CH DE FR LI
DOCDB simple family (publication)
WO 9830939 A1 19980716; CN 1243579 A 20000202; EP 0950933 A1 19991020; EP 0950933 A4 20000405; JP 3245181 B2 20020107
DOCDB simple family (application)
JP 9800033 W 19980108; CN 98801640 A 19980108; EP 98900177 A 19980108; JP 53074498 A 19980108