G10H 2220/535 Piezoelectric polymer transducers, e.g. made of stretched and poled polyvinylidene difluoride [PVDF] sheets in which the molecular chains of vinylidene fluoride CH2-CF2 have been oriented in a preferential direction
Full Title
Input/output interfacing specifically adapted for electrophonic musical tools or instruments > Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal > Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage > made of piezoelectric film > Piezoelectric polymer transducers, e.g. made of stretched and poled polyvinylidene difluoride [PVDF] sheets in which the molecular chains of vinylidene fluoride CH2-CF2 have been oriented in a preferential direction
Top Applicants
Top 10 applicants by patent filingsfor class G10, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 6,277
- GOOGLE US 5,429
- FRAUNHOFER DE 4,984
- SONY CORPORATION JP 2,808
- HUAWEI TECHNOLOGIES COMPANY CN 2,577
- MICROSOFT TECHNOLOGY LICENSING US 2,382
- DOLBY LABORATORIES LICENSING CORPORATION US 2,123
- QUALCOMM US 2,117
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
- AMAZON TECHNOLOGIES US 1,924