警報器

Japanese Patent JP6385722

B2

PROBLEM TO BE SOLVED: To provide an alarm unit capable of continuing abnormality detection and an alarm generating operation without power supply being stopped, even when a user sets a power supply switch to an OFF-side.SOLUTION: When a microcomputer 4 detects abnormality, it generates the fact. Power is supplied to the microcomputer 4 from a battery 12. A power supply switch 13 is a switch capable of performing a switching operation between an ON-side and an OFF-side. When the switching operation from the OFF-side to the ON-side of the power supply switch 13 is performed in a state where power is not supplied to the microcomputer 4 from the battery 12, a self holding circuit 14 starts power supply with respect to the microcomputer 4, and after that, the power supply to the microcomputer 4 continues even when the switching operation of the power supply switch 13 is performed from the ON-side to the OFF-side.

Tadahiro Ishida
Discussion Yasuharu
Hiromasa Takashima
Toshiyuki Doi
Yoko Nagasaka
Yoshinori Nishigami
Go Ueoka

JP2014116683A

September 05, 2018

June 05, 2014

Click for automatic bibliography generation  

Yazaki Energy System Co., Ltd.
OSAKA GAS CO.,LTD.
Tokyo Gas Co., Ltd.
Toho Gas Co., Ltd.
New Cosmos Electric Co., Ltd.
Fuji Electric Co., Ltd.

G08B17/06; G08B21/16; G08B23/00

JP2012027959A
JP3190746U

Fumio Takino
Hideo Takino
Takao Kawasaki
Toshiaki Tsuda
Park Ji-un

Previous Patent: 再暗号化鍵生成方法、再暗号化方法、再暗号化鍵生成システム及び再暗号�...

Next Patent: CALCULATING DEVICE FOR POWER SUPPLY VOLTAGE OF CAMERA