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YAMAHA CORPORATION
HAMAMATSU-SHI, SHIZUOKA, JP
1. 20090274318 AUDIO CONFERENCE DEVICE - capable of detecting a talker's direction exactly and collecting a sound emitted from this direction at a high signal S/N 11-05-20092. 20090252364 VOICE SIGNAL TRANSMITTING/RECEIVING APPARATUS 10-08-2009
3. 20090248408 VOICE EMITTING AND COLLECTING DEVICE - that is capable of picking up/outputting a voice emitted from a talker at a high S/N ratio by eliminating the 10-01-2009
4. 20090147967 CONFERENCE APPARATUS - Microphone arrays which are formed by arranging a plurality of microphones are provided on a front side and a rear side of a 06-11-2009
5. 20090147631 Optical Disk Image Forming Device, Optical Disk Image Forming Method and Optical Disk 06-11-2009
6. 20090087777 Optical Disk Storage Medium - The surface of a transparent layer provided on the uppermost layer of the label side of an optical disk is subjected to 04-02-2009
7. 20090060237 ARRAY SPEAKER SYSTEM - Signals on respective RL, FL, C, FR, RR channels are divided into high frequency signals and low frequency signals by HPFs and 03-05-2009
8. 20090052700 SURROUND-SOUND SYSTEM - There is provided a surround-sound system in which the output direction of a sound beam of each channel in a speaker array can 02-26-2009
9. 20090052688 REMOTE CONFERENCE APPARATUS AND SOUND EMITTING/COLLECTING APPARATUS 02-26-2009
10. 20090052684 AUDIO CONFERENCING APPARATUS - Microphones arranged in an array shape along a longitudinal direction are respectively formed in both the longitudinal 02-26-2009
11. 20090016515 COMMUNICATION CONFERENCE SYSTEM, VOICE CHANGING DEVICE, AND SIGNAL CONVERTING ADAPTOR 01-15-2009
12. 20080285771 Teleconferencing Apparatus - includes the functions of a transmitting unit and a receiving unit and the transmitting unit transmits a sound signal 11-20-2008
13. 20080247553 Stereophonic Sound Reproduction Device - has a sound amplifying device that amplifies multi channel surround sound signals for respective channels and 10-09-2008