Conference telephone set

Abstract

Abstract PURPOSE:To enable very natural conference under excellent communication quality, by vertically locating a directional transmission unit on the floor and locating speakers as reception sound source on the ceiling just above them. CONSTITUTION:On the straight line of a straight line fitting base 2 standing vertically from a installing stand 1, nondirectional microphone units 4-1-4-n are located with equal distance to form the directional transmission units, which are vertically located on the floor. Further, one speaker 6 as the reception sound source is located on the ceiling just above the directional transmission unit or a plurality of them are located on the ceiling on a circle taking the ceiling just above as a center with equal interval.With the microphones and speakers thus located, the attendees in the room can mutually communicate with the attendees of another conference room apart from the room.

Inventors

• 👤 Kiyoyasu Miyawaki
• 👤 Tetsuo Ishizaka

Bibliographic Details