专利名称：Activity measurement发明人：Peter Andersson,Jianning Li申请号：US09/101064申请日：19980629公开号：US06104294A公开日：20000815
摘要：A motion sensor unit (11) is intended to be carried by a domestic animal. Themotion sensor unit (11) operates in parallel to and independently of a conventionaltransponder unit (1). The motion sensor unit (11) contains a motion detector (14) formeasuring the activity of the animal by providing electrical pulses when the animal moves.Each hour is subdivided in a number of intervals in each one of which it is determined if theactivity has exceeded a certain threshold. If it is the case, a count value is incremented.The count value is then transmitted once each hour and in addition also the count valuesof all the 23 previous hours. By transmitting repeatedly such information a good safety isobtained in the reception of the information signal, and this information can be used forcomplicated evaluation processing in a processor (7) or a supplementary personalcomputer (9).
申请人：ALFA LAVAL AGRI AB
代理机构：Hovey, Williams, Timmons & Collins
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