| US 7,539,551 B2 | ||
| Portable terminal unit and sound reproducing system using at least one portable terminal unit | ||
| Tatsumi Komura, Tokyo (Japan); and Nobuaki Takanashi, Tokyo (Japan) | ||
| Assigned to NEC Corporation, Tokyo (Japan) | ||
| Filed on Jul. 24, 2002, as Appl. No. 10/202,318. | ||
| Claims priority of application No. 2001-226882 (JP), filed on Jul. 27, 2001. | ||
| Prior Publication US 2003/0023331 A1, Jan. 30, 2003 | ||
| Int. Cl. G06F 17/00 (2006.01); H04H 40/00 (2008.01) | ||
| U.S. Cl. 700—94 [455/3.06] | 28 Claims |
| 1. A portable terminal unit for acquiring data including sound data, the portable terminal unit comprising:
a sound data reproducing portion adapted for receiving the sound data and decoding the sound data into an analog sound signal,
the sound data being in a digital format; and
at least one loudspeaker coupled to the sound data reproduction portion, the loudspeaker being disposed for receiving the
analog sound signal and reproducing an audible sound corresponding to the sound data and in cooperation with at least one
sound device, one of said at least one sound device being the source of said sound data, to give listeners the feeling of
being at a live performance by having the portable terminal reproduce the audible sound synchronously with said at least one
sound device when said sound data is reproduced, with said sound data shared by the portable terminal and said at lease one
sound device;
the portable terminal unit being selected from the group consisting of: portable telephone, personal handy phone system (PHS),
cordless telephone, child unit of a party line, and personal digital assistant (PDA),
wherein the portable terminal unit is disposed at mutually separate locations and the decoded audible sound is a front-left
sound FL, a front-right sound FR, a rear-left sound RL, a rear-right sound RR, and a low sound LOW of a low frequency range.
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