the unitits on the dog's collar. a build-in sensor detects animal's movements.he owner can use a smart phone to monitor the dog's status, even from a distance. the device transmits behavior data to a central server and then to the user's smart phone. the animal's activities are summarized in a graph. variations in the pattern could mean there's something wrong with the dog. owners can open the type and quantity of the pet food and calorie intake is calculated automatically. should a dog's activity level drop, the owner receives a veterinarian approved message like this. the device costs about $135 plus service charges of about $60 a year. the developer sees a demand for this kind of finely tuned approach. >> people are investing more and more in their pets year after year as if they were their children. it's becoming a very big market. >> reporter: they hope the desire of pet lovers will keep their annual gym memberships fit and will result in healthy profits in years to come. nhk world. >>> tokyo residents enjoyed beautiful sunny weather today, and our meteorol