Patent Number: 7,612,665

Title: Wireless sensor system and bearing assembly having built-in wireless sensor

Abstract: A wireless sensor system in which the sensor signal is hardly affected by disturbance and therefore has an increased reliability, which can be constructed light-weight and compact in structure inclusive of the electric power system and in which communication is possible at all times, and a wireless sensor incorporated bearing assembly of a light-weight and compact structure utilizing such wireless sensor system. This wireless sensor system includes a wireless sensor unit and a sensor signal receiving unit. The wireless sensor unit includes a sensor section to detect a target of detection, a digitalizing section to digitalize a sensor signal thereof, and a sensor signal transmitting section.

Inventors: Okada; Koichi (Iwata, JP), Mizutani; Masatoshi (Iwata, JP), Sasaki; Norihiko (Iwata, JP)

Assignee: NTN Corporation

International Classification: G08B 21/00 (20060101)

Expiration Date: 1/03/02017