Patent ID: 9541927
Date: 2017-01-10
CPC Classifications: G05D,H05K

Claim:
1. An electronic system including a plurality of electronic devices and a monitoring processor that controls the plurality of electronic devices respectively, the electronic system comprising: a sound pressure measuring device that measures pieces of sound pressure information of sounds emitted by the plurality of electronic devices respectively, the electronic devices each include a cooling fan that cools inside of a casing and a fan controller that controls the cooling fan, and a temperature measuring unit configured to measure pieces of temperature information inside the casings of the plurality of electronic devices, the monitoring processor includes a fan speed controller that performs control on the fan controllers of the plurality of electronic devices respectively to make rotation speed of the cooling fan of any electronic device different from rotation speed of the cooling fan of another electronic device based on the pieces of temperature information inside the casings of the electronic devices measured by the temperature measuring unit and the pieces of sound pressure information of sounds emitted by the plurality of electronic devices measured by the sound pressure measuring device.