To provide a screen device with an audio output function that houses a screen for projection and a speaker system, has superior portability, protects them against an external shock, dust, drops of water, etc., when moved, and realizes switchable stereo reproduction and large-sound-volume output.
Disclosed is a projection screen device with an audio output portion which is provided with an opening/closing type cover portion for protection against dust, dirt in an atmosphere, drops of water, etc., when not in operation and carried, protects the screen wound in the device against breakage due to a collision against other things and a fall, and is superior in portability to easily be carried because of device constitution integrated with a speaker portion.
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto