Automatic Door Sensors / Banknote Printing Machines
The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind automatic door sensors which detect people using the far-infrared radiation they emit. In the second half: banknote printing machines used in Japan and around the world, in places like the UK and India.
Kobayashi Toru, involved in the development of automatic door sensors
An early automatic door sensor
A banknote printing machine producing Japanese bills