发明名称 |
Watch with hand in form of circular film and provided with electrostatic shielding device |
摘要 |
A wrist watch with hour and minute hands in the form of rotatable circular films, having an electrostatic shielding device which grounds a glass of the watch through a back cover of the watch, to eliminate static electricity produced in the glass. Also, because of the use of thin rotatable circular films for the minute and hour hands, the thickness of the watch can be considerably reduced.
|
申请公布号 |
US4737941(A) |
申请公布日期 |
1988.04.12 |
申请号 |
US19870041333 |
申请日期 |
1987.04.22 |
申请人 |
CITIZEN WATCH CO., LTD. |
发明人 |
KAMIYAMA, YASUO;MAFUNE, MASAO |
分类号 |
G04B43/00;G04B45/04;G04C3/00;(IPC1-7):G04B19/20 |
主分类号 |
G04B43/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|