Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-02-28
2006-02-28
Wu, Daniel (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C073S649000, C073S579000, C073S594000, C073S658000, C200S061520
Reexamination Certificate
active
07006000
ABSTRACT:
An earthquake detecting and warning device for detecting a vibration of the earth's surface is provided. The device includes a base, a top cover, at least a contact-conducting piece, a detecting and warning circuit, a shelling body and an elastic supporting component. When an earthquake occurs, the shelling body will receive the vibration from all direction to swing accordingly so that the lower portion of the shelling body will be contacted with a corresponding set of contact-conducting piece mounted on a plate body of the base to form a loop with the detecting and warning circuit. Therefore, a sound unit will generate a warning voice to inform the user. Then, the user can interrupt the warning voice through pressing a pressing component so as to press the shelling body so that the lower portion of the shelling body will totally and simultaneously connected with all sets of contact-conducting pieces.
REFERENCES:
patent: 4689997 (1987-09-01), Windisch
patent: 5633463 (1997-05-01), Szasz
patent: 5837951 (1998-11-01), Kato et al.
patent: 6121888 (2000-09-01), Bognar
patent: 6459379 (2002-10-01), Ho
patent: 6707187 (2004-03-01), Gabrys
Tung Kung-Chao
Tung Po-Cheng
Labbees Edny
Wu Daniel
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