52 citations · 61 across the 3 of their papers we have counts for
3 papers
physics.app-ph2023★ 5 cited
Airborne Ultrasound Focusing Aperture with Binary Amplitude Mask Over Planar Ultrasound Emissions
Masatake Kitano, Keisuke Hasegawa
Phased arrays of airborne ultrasound transducers are widely utilized as a key technology to achieve mid-air convergence of intense ultrasound, which is applied to a variety of syst…
physics.flu-dyn2017★ 52 cited
Electronically Steerable Ultrasound-Driven Air Stream
Keisuke Hasegawa, Liwei Qiu, Akihito Noda +2
We have created a stretching air flow by generating a Bessel beam of ultrasound with an active phased array of acoustic transducers in free space. The generated Bessel beam is elec…
cs.HC2015★ 4 cited
Manual Character Transmission by Presenting Trajectories of 7mm-high Letters in One Second
Keisuke Hasegawa, Tatsuma Sakurai, Yasutoshi Makino +1
In this paper, we report a method of intuitively transmitting symbolic information to untrained users via only their hands without using any visual or auditory cues. Our simple con…