Murata Manufacturing Co., Ltd.

Murata Manufacturingco., Ltd.

Shinya Harada

Nobumitsu Amachi

Akimasa Matsushima

Koji Kawano

Kenji Hayashikoshi

Atsuto Komoda

Yutaka Shinza

A position estimation system () includes: a plurality of fixed stations (-) installed inside a building, the plurality of fixed stations (-) each measuring the signal strength of a radio signal transmitted from a mobile object (); and a calculator configured to estimate a position of the mobile object () based on the signal strengths measured at the plurality of fixed stations (-), wherein each of the plurality of fixed stations (-) is installed in such a position that a distance to a top part of the mobile object () is equal to or less than a predetermined distance when the mobile object () is directly below the fixed station (-).

Position estimation system and position estimation method

An electronic apparatus includes a heat-generating device mounted on a surface of a printed circuit board and is surrounded with wall members of a housing. The wall members are connected to a ground electrode on the other surface of the printed circuit board, the ground electrode being disposed over substantially the entire surface under the heat-generating device. Lugs provided in covers are in contact with the respective ends of the wall members. The direction in which each lug is raised (direction from the base to the tip) coincides with the direction from the heat-generating device to a temperature-increase restricted region.

Electronic apparatus

Growing community of inventors

Kyoto, Japan

Shinya Harada