Title:
EARTHQUAKE SENSING DEVICE
Document Type and Number:
Japanese Patent JP3046765
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an earthquake sensing device which can easily be wired and assembled into an existing distribution board for a household use, etc.
SOLUTION: A relay circuit or the like which operates when sensing the vibration of an earthquake is assembled into a casing 11 with a space for one or two safety circuit breakers, A power terminal 13 is placed on one side of the casing 11, and an alarm terminal 14 on the opposite side to facilitate wiring during assembly into a distribution board. Electronic boards 14, 15 inside the casing 11 are provided in a number of stages and are electrically connected together by conductive pins to make high-density mounting possible.
Inventors:
Yusuke Kobayashi
Hiroyuki Okada
Hiroyuki Okada
Application Number:
JP15842896A
Publication Date:
May 29, 2000
Filing Date:
June 19, 1996
Export Citation:
Assignee:
Nitto Kogyo Co., Ltd.
International Classes:
H01H83/02; H01H83/04; H01H83/20; H02H5/00; (IPC1-7): H01H83/02; H01H83/04; H01H83/20; H02H5/00
Domestic Patent References:
| JP7111116A | ||||
| JP6177307A | ||||
| JP57142109A | ||||
| JP61107631A | ||||
| JP5985004U | ||||
| JP57168910U | ||||
| JP670406U | ||||
| JP59180485U | ||||
| JP58158451U | ||||
| JP6148547U | ||||
| JP427195Y2 | ||||
| JP6345719Y1 |
Attorney, Agent or Firm:
Akio Najima (2 others)