Title:
CRIME PREVENTING DEVICE
Document Type and Number:
Japanese Patent JP2005190080
Kind Code:
A
Abstract:
To provide a crime preventing device for surely detecting any breakdown act to a storage container for storing cash or noble metals such as a cash box or a device for dealing with cash such as a cash dispenser or an automatic vending machine with a few sensors.
A microphone 3 and a speaker 9 are arranged in a crime prevention target which is internally provided with a space, and a sound is generated from the speaker 9, and collected by the microphone 3 so that a sound pressure change due to the change of acoustic impedance in the crime prevention target can be detected. Thus, it is possible to easily detect a hole opening due to the burn-off act of the whole crime prevention target.
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Inventors:
NEZU MASAHIRO
KATO KAZUYA
IKEGAMI HIROSHI
SAKAI TAKASHI
NAITO HISATAKA
KATO KAZUYA
IKEGAMI HIROSHI
SAKAI TAKASHI
NAITO HISATAKA
Application Number:
JP2003429282A
Publication Date:
July 14, 2005
Filing Date:
December 25, 2003
Export Citation:
Assignee:
AKEBONO BRAKE IND
International Classes:
E05G1/10; E05B45/06; G07F9/02; G08B13/16; (IPC1-7): G08B13/16; E05B45/06; E05G1/10
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Hamada
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Hamada