Wireless transmission vital capacity examining device
US8333709B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 2010 |
| Grant date | Dec 18, 2012 |
| Priority date | — |
| Expiry date | Jun 29, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2560/045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wireless transmission vital capacity examining device includes two induction coils on a stator frame and a rotor frame having a first magnetic area which is mounted to the two induction coils. A rotatable member with rotatable blades has a third connection portion which has a third magnetic area which is magnetically connected to the second magnetic area of rotor frame so as to rotate the rotor frame. The user blows to rotate the blades and the first induction coil outputs a voltage to a processing unit so as to transfer to a value of the vital capacity. The second induction coil provides electric power to the wireless communication unit to transmit the value. The two induction coils are not interfered to each other and the device does not have problem of insufficient voltages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.