Speaker system that can increase driving power without changing heat loss in low frequency range and improve reproduction characteristics
JP2020025238A
Control method and device for maximizing speaker system capacity
JP2019200259A
Detection method of degree of voice and non-voice
JP2018107789A
Vibratory speaker with two hermetic spaces in space inside enclosure
JP2018182480A
Noise spectrum distribution detection method and noise volume sound quality control method
JP2018089144A
Lung capacity detection display device using buoyance difference
JP2017228878A
Method of acquiring correction characteristic of reproduction characteristic of earphone
JP2016213943A
Power generation efficiency improvement device of photovoltaic power generation panel
JP2016146576A
Measuring method and measuring tool and correction method of reproduction characteristics of earphone and application program of measurement and application program of correction
JP2015220518A
Earphone attachment for isolating environmental noise
JP2015130581A
sound reproduction system
JP2015008400A
Operation screen of music reproducing function
JP2014110834A
Storing/arranging implement inside bag
JP2014103567A
Speaker drive system
JP2014099681A
Speaker and driver
JP2014023079A
Application software for sound quality correction function
JP2014003356A
Voice coil, magnetic circuit, speaker, sound playback system and its application device
JP2013187661A
Voice coil, magnetic circuit, magnetization method, speaker, and acoustic reproducing apparatus