1
Kiyofumi Inanaga, Hiroyuki Sogawa, Yasuhiro Iida, Akira Kimura: Earphone device. Sony Corporation, Lewis H Eslinger, Jay H Maioli, January 4, 1994: US05276740 (60 worldwide citation)

An earphone device includes an acoustic tube having an inner diameter substantially identical to that of the external auditory canal has an ear mounting portion at one end and an acoustic non-reflecting portion at the outer end. An earphone unit and an internal microphone unit are mounted on the per ...


2
Kiyofumi Inanaga, Yuji Yamada: Audio reproducing apparatus corresponding to picture. Sony Corporation, Jay H Maioli, December 9, 1997: US05696831 (54 worldwide citation)

Audio reproducing apparatus reproducing an audio signal corresponding to a picture which localizes a sound image in a direction corresponding to the picture by processing an audio signal in a real-time fashion is supplied with an audio signal from a general-purpose signal source such as a laser disc ...


3
Kiyofumi Inanaga, Hiroyuki Sogawa, Yasuhiro Iida, Yabe Susumu: Audio signal reproducing apparatus. Sony Corporation, Hill Steadman & Simpson, February 27, 1996: US05495534 (50 worldwide citation)

In the audio signal reproducing apparatus, information on the transfer characteristics representative of the transfer characteristics from virtual sound sources to both ears of a listener in at least a first quadrant of the rotational angular position of the head M of the listener is stored in stori ...


4
Yuji Yamada, Kiyofumi Inanaga: Image/audio reproducing system. Sony Corporation, Jay H Maioli, September 28, 1999: US05959597 (36 worldwide citation)

An audio reproducing unit 2 has a audio signal processor 5 responsive to results of detection by a turning angular velocity sensor 16 for carrying out calculations for localizing the input audio outside the head of a wearer of a head attachment unit 15, for preventing the sound image orientation fro ...


5
Masayoshi Miura, Kiyofumi Inanaga, Hiroyuki Sogawa, Yasuhiro Iida: Sound reproducing apparatus. Sony Corporation, Hill Van Santen Steadman & Simpson, June 11, 1991: US05022486 (32 worldwide citation)

A sound reproducing apparatus is provided formed of an acoustic tube having first and second opposite ends, and having substantially a same inside diameter as that of an external acoustic meatus of the user who is wearing the sound reproducing apparatus. A loudspeaker unit is mounted to the acoustic ...


6
Kiyofumi Inanaga, Yashuhiro Iida, Hiroyuki Sogawa, Susumu Yabe: Acoustic signal reproducing apparatus. Sony Corporation, Lewis H Eslinger, Jay H Maioli, January 19, 1993: US05181248 (30 worldwide citation)

An acoustic signal reproducing apparatus for reproducing acoustic signals through headphone devices is disclosed. The left channel and right channel acoustic signals are provided by a device for processing the transmission characteristics with constant transmission characteristics representing the l ...


7
Kiyofumi Inanaga, Yuji Yamada: Video signal and audio signal reproducing apparatus. Sony Corporation, Jay H Maioli, August 18, 1998: US05796843 (30 worldwide citation)

An object of the present invention is to provide a video signal and audio signal reproducing apparatus in which a sound image reproduced from an audio signal is localized so as to correspond to a picture and a listener can change a positional information thereon. According to the present invention, ...


8
Kiyofumi Inanaga, Hiroyuki Sogawa, Yasuhiro Iida, Susumu Yabe: Acoustic signal reproducing apparatus. Sony Corporation, Jay H Maioli, September 19, 1995: US05452359 (29 worldwide citation)

An acoustic signal reproducing apparatus for supplying an acoustic signal to a headphone device, in which position-detecting reference signals from a reference signal source are sensed by a pair of signal sensors provided at two places over a listener's head. The turning angle and the relative dista ...


9
Kiyofumi Inanaga, Hiroyuki Sogawa, Shiro Tsukamoto: Induction speaker. Sony Corporation, Alvin Sinderbrand, William S Frommer, October 29, 1991: US05062140 (23 worldwide citation)

In a speaker which comprises a diaphragm having a vibrating portion and an annular conductive portion, a current feeding coil facing the conductive portion with a predetermined gap therebetween, and a magnetic circuit including a top plate, a magnet and a yoke plate to which the current feeding coil ...


10
Kiyofumi Inanaga, Yuji Yamada: Angle detection apparatus and audio reproduction apparatus using it. Sony Corporation, Jay H Maioli, December 1, 1998: US05844816 (22 worldwide citation)

According to the present invention, when an audio signal is reproduced through headphones, the same localization, sound field and so on as those obtained when the sound is reproduced by loudspeakers located in a predetermined relationship upon reproduction of the sound by the loudspeakers can be obt ...