Inventor
HEIKKILAE ILKKA
FI15 patents
Patents
15 patentsUS6104947AAug 15, 2000
Method and apparatus for determining exertion levels in fitness or athletic training and for determining the stress caused by training
POLAR ELECTRO OY110 citations96
US5816706AOct 6, 1998
Method and apparatus for determining internal temperature and coefficient of internal thermal conductivity in a stucture
POLAR ELECTRO OY80 citations96
US5810722ASep 22, 1998
Method and device for determining threshold values for energy metabolism
POLAR ELECTRO OY86 citations96
US7324841B2Jan 29, 2008
Sensor arrangeable on the skin
POLAR ELECTRO OY67 citations95
US6687535B2Feb 3, 2004
Controlling of fitness exercise
POLAR ELECTRO OY190 citations95
US6229454B1May 8, 2001
Telemetric measuring method and system
POLAR ELECTRO OY98 citations95
US5611346AMar 18, 1997
Method of interference-tolerant transmission of heartbeat signals
POLAR ELECTRO OY65 citations94
US6540686B2Apr 1, 2003
Measurement relating to human body
POLAR ELECTRO OY52 citations92
US6411841B2Jun 25, 2002
Human-related measuring assessment
POLAR ELECTRO OY42 citations92
US5840039ANov 24, 1998
Method and apparatus in connection with measuring the heartbeat rate of a person
POLAR ELECTRO OY45 citations92
US5632279AMay 27, 1997
Method of interference-tolerant transmission of heartbeat signals
POLAR ELECTRO OY47 citations92
US7728723B2Jun 1, 2010
Portable electronic device and computer software product
POLAR ELECTRO OY16 citations91
US6648827B2Nov 18, 2003
Method of confirming performer of exercise
POLAR ELECTRO OY20 citations90
US6114832ASep 5, 2000
Charging method and charging arrangement
POLAR ELECTRO OY22 citations89
US6428476B1Aug 6, 2002
Method of confirming performer of exercise
POLAR ELECTRO OY13 citations71