Optex Co., Inc.

Shinya Nishimura

Hiroyuki Ikeda

Takashi Kondo

Michinori Noguchi

Takeo Hyodo

Hiroyuki Tomooka

Yu Kawashima

Mitsugu Mihara

Katsutoshi Tatsuoka

Shun Onishi

Hirofumi Shimada

Hiroshi Makino

Chihiro Morita

Takao Ujike

Vehicle detector

Human body detector

A security sensor system is provided which allows the stopping of the device due to the end of a battery life to be postponed by suppressing battery power consumption, which is caused due to an object detection operation of the security sensor system, after a low battery state is detected. The security sensor system is powered by a battery. When a low battery detector detects a reduction in the voltage of the battery, an object detection operation of the security sensor system is switched from a normal mode to a suppression mode. Consumption of the battery in the suppression mode is suppressed.

Battery-powered security sensor system

Provided is a reverse connection preventing structure in a battery-driven object detection device, which has a simple structure capable of preventing reverse connection of even a battery whose projecting positive electrode is relatively lower in height. The structure has a holder for holding the battery including a first terminal for electrically connecting to a projecting positive electrode and a second terminal for electrically connecting to a negative electrode. The first terminal is formed in a printed circuit board. On the printed circuit board, an insulating member of less than 0.5 mm in thickness are provided around the circumference of the first terminal in such a manner as to allow the first terminal to come in contact with the positive electrode of the battery which is mounted correctly and as to prevent the first terminal from coming in contact with the negative electrode of the battery which is mounted reversely.

Reverse connection preventing structure for use in battery-driven object detection device

Growing community of inventors

Otsu, Japan

Shinya Nishimura