Apparatus, method and computer-readable medium generating ultrasonic waves and vibration
US8774871B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Sep 10, 2010 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Feb 28, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M19/047
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Provided is a vibration apparatus, method and computer-readable medium generating vibrations and ultrasonic waves. The vibration apparatus, method and computer-readable medium may generate the vibrations or the ultrasonic waves in accordance with a first control signal and a second control signal each having a frequency band different from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.