Title:
SEALING DEVICE
Document Type and Number:
Japanese Patent JP3782944
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To quickly determine whether a sealing device is unsealed or not.
SOLUTION: A signal transmission control circuit detects whether a lock body is kept in a locked state or an unlocked state. In the locked state, the signal transmission control circuit controls a signal transmission power supply on/off circuit to feed power to a signal transmission circuit from a battery, and a signal is transmitted from the signal transmission circuit. In the unlocked state to the contrary, the signal transmission control circuit controls the signal transmission power supply on/off circuit to feed no power to the signal transmission circuit from the battery, and the signal transmission from the signal transmission circuit is stopped.
Inventors:
Noboru Nishizawa
Takahashi Masanobu
Takahashi Masanobu
Application Number:
JP2001054152A
Publication Date:
June 07, 2006
Filing Date:
February 28, 2001
Export Citation:
Assignee:
Ueda Japan Radio Co., Ltd.
International Classes:
E05B39/00; E05B45/08; (IPC1-7): E05B39/00; E05B45/08
Domestic Patent References:
| JP2606015Y2 | ||||
| JP2000085652A | ||||
| JP4313194A | ||||
| JP6511579A | ||||
| JP58120966A | ||||
| JP8319750A |
Attorney, Agent or Firm:
Kenji Yoshida
Jun Ishida
Jun Ishida