JP4730964B2 - 簡易電話会議装置 - Google Patents
簡易電話会議装置 Download PDFInfo
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- JP4730964B2 JP4730964B2 JP2006250161A JP2006250161A JP4730964B2 JP 4730964 B2 JP4730964 B2 JP 4730964B2 JP 2006250161 A JP2006250161 A JP 2006250161A JP 2006250161 A JP2006250161 A JP 2006250161A JP 4730964 B2 JP4730964 B2 JP 4730964B2
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Description
2 交換機
3 電話回線
4 電話機本体
5 本発明の簡易電話会議装置
51 マイク
52 スピーカ
53 エコーキャンセル部
54 レベル制御部
55 切り替え部
56 レベル計測部
57 制御部
6 送受話器
Claims (1)
- 電話回線に接続される電話機の本体とハンドセットの間に挿入する電話会議装置であって、前記電話機本体のハンドセット接続部と接続する電話機本体接続手段と、前記ハンドセットと接続するハンドセット接続手段と、ハンズフリーで電話会議を行うためのハンズフリー音声入出力手段と、電話会議時に前記ハンドセットを該電話機本体から切離すハンドセット切離し手段と、該電話機本体への電気信号レベルを測定する手段を具備し、前記ハンドセットを該電話機本体から切離していない時に該電話機本体への電気信号レベルを測定しておき、前記ハンドセットが該電話機本体から切離されたハンズフリーで電話会議を行う時に該電話機本体への電気信号レベルが前記測定しておいた電気信号レベルと略同レベルとなるように制御することを特徴とする簡易電話会議装置。
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JP2006250161A JP4730964B2 (ja) | 2006-09-15 | 2006-09-15 | 簡易電話会議装置 |
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JP2006250161A JP4730964B2 (ja) | 2006-09-15 | 2006-09-15 | 簡易電話会議装置 |
Publications (2)
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JP2008072529A JP2008072529A (ja) | 2008-03-27 |
JP4730964B2 true JP4730964B2 (ja) | 2011-07-20 |
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JP2006250161A Active JP4730964B2 (ja) | 2006-09-15 | 2006-09-15 | 簡易電話会議装置 |
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JP (1) | JP4730964B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6553337B2 (ja) | 2014-07-31 | 2019-07-31 | 小林製薬株式会社 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03111103U (ja) * | 1990-02-27 | 1991-11-14 | ||
JP2002335323A (ja) * | 2001-05-08 | 2002-11-22 | Daisuke Kawai | コンピュータ用通話装置 |
JP2004320457A (ja) * | 2003-04-16 | 2004-11-11 | Nec Infrontia Corp | 通話システム |
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- 2006-09-15 JP JP2006250161A patent/JP4730964B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03111103U (ja) * | 1990-02-27 | 1991-11-14 | ||
JP2002335323A (ja) * | 2001-05-08 | 2002-11-22 | Daisuke Kawai | コンピュータ用通話装置 |
JP2004320457A (ja) * | 2003-04-16 | 2004-11-11 | Nec Infrontia Corp | 通話システム |
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JP2008072529A (ja) | 2008-03-27 |
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