Title:
SEISMOSCOPE
Document Type and Number:
Japanese Patent JP3469073
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a seismoscope that can provide output according to to seismic intensity or vibration in multiple stages while being one seismoscope.
SOLUTION: A movable contact member 6 is displaced through bearings 9 by the movement of a spherical body 5 on a bottom face 1a in a case 1 when external vibration is on a first level. The movable contact member 6 is first brought into contact with a fixed contact member 7 to obtain first output from a first output terminal 10. The movable contact member 6 is brought into contact also with a fixed contact member 8 through the bearings 9 by the movement of the spherical body 5 when external vibration is on a second level larger than the first level, so as to obtain second output from a second output terminal 11.
Inventors:
Kenji Shinohara
Tomohiro Kataoka
Hideyuki Bingo
Tatsuhide Morisawa
Tomohiro Kataoka
Hideyuki Bingo
Tatsuhide Morisawa
Application Number:
JP35890597A
Publication Date:
November 25, 2003
Filing Date:
December 26, 1997
Export Citation:
Assignee:
Omron Corporation
Tokyo Gas Co., Ltd.
Tokyo Gas Co., Ltd.
International Classes:
G01H1/00; (IPC1-7): G01H1/00
Domestic Patent References:
| JP5658625A | ||||
| JP850055A | ||||
| JP9166480A | ||||
| JP1196868A | ||||
| JP51131984U | ||||
| JP5637030U | ||||
| JP61127427U | ||||
| JP682069B2 | ||||
| JP4029699Y1 | ||||
| JP2001508169A | ||||
| JP2001526775A |
Other References:
【文献】特許3406186(JP,B2)
【文献】登録実用新案3027633(JP,U)
【文献】登録実用新案3027633(JP,U)
Attorney, Agent or Firm:
Kazuhide Okada