Apple and Microsoft file patents for touchless controls
Apple and Microsoft are involved in a new patent race over touchless gesture-controls.
Recently released patent filings reveal new ways to control devices that do not involve physical contact.
Microsoft describes waving one's hands to "draw" three-dimensional objects on a computer, while Apple's designs involve allowing users to "throw" content from one device to another.
Securing patent rights allows the firms to claim ownership of the technologies.
They could then prevent others from using the same gesture controls, or charge them a licence.
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