JPH0221846U - - Google Patents

Info

Publication number
JPH0221846U
JPH0221846U JP9268288U JP9268288U JPH0221846U JP H0221846 U JPH0221846 U JP H0221846U JP 9268288 U JP9268288 U JP 9268288U JP 9268288 U JP9268288 U JP 9268288U JP H0221846 U JPH0221846 U JP H0221846U
Authority
JP
Japan
Prior art keywords
transmitting
data
receiving
hands
processor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9268288U
Other languages
English (en)
Other versions
JPH051168Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988092682U priority Critical patent/JPH051168Y2/ja
Publication of JPH0221846U publication Critical patent/JPH0221846U/ja
Application granted granted Critical
Publication of JPH051168Y2 publication Critical patent/JPH051168Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の基本構成図、第２図は本考案
の実施例の構成図、第３図は本考案の具体例の構
成図、第４図は本考案の平均化処理の一例を示す
説明図、第５図は全体の処理を示すフローチヤー
ト、第６図は従来のハンズフリー電話の構成図で
ある。

Claims (1)

  1. 【実用新案登録請求の範囲】 送話機にマイク５を用い、且つ受話器をスピー
    カ６としたハンズフリー電話器において、 送話信号および受話信号をＡ／Ｄコンバータ１
    でデジタルデータに変換してプロセツサ２に取込
    み、該プロセツサ２で該データの平均化処理をし
    て送話および受話の平均レベルを求め、両者の比
    較結果に応じて通話時の受話系利得と送話系利得
    の一方を高く、他方を低く制御することを特徴と
    するハンズフリー電話器。
JP1988092682U 1988-07-13 1988-07-13 Expired - Lifetime JPH051168Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988092682U JPH051168Y2 (ja) 1988-07-13 1988-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988092682U JPH051168Y2 (ja) 1988-07-13 1988-07-13

Publications (2)

Publication Number Publication Date
JPH0221846U true JPH0221846U (ja) 1990-02-14
JPH051168Y2 JPH051168Y2 (ja) 1993-01-13

Family

ID=31317118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988092682U Expired - Lifetime JPH051168Y2 (ja) 1988-07-13 1988-07-13

Country Status (1)

Country Link
JP (1) JPH051168Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06350682A (ja) * 1990-08-08 1994-12-22 Alcatel Nv 音声送受電話装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604058U (ja) * 1983-06-18 1985-01-12 日本電気株式会社 拡声電話装置
JPS61195055A (ja) * 1985-02-25 1986-08-29 Matsushita Electric Works Ltd 拡声電話機の音声スイツチ回路
JPS62266952A (ja) * 1986-05-15 1987-11-19 Nec Corp 会議電話装置
JPS62298257A (ja) * 1986-06-18 1987-12-25 Toshiba Corp 拡声電話装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604058U (ja) * 1983-06-18 1985-01-12 日本電気株式会社 拡声電話装置
JPS61195055A (ja) * 1985-02-25 1986-08-29 Matsushita Electric Works Ltd 拡声電話機の音声スイツチ回路
JPS62266952A (ja) * 1986-05-15 1987-11-19 Nec Corp 会議電話装置
JPS62298257A (ja) * 1986-06-18 1987-12-25 Toshiba Corp 拡声電話装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06350682A (ja) * 1990-08-08 1994-12-22 Alcatel Nv 音声送受電話装置

Also Published As

Publication number Publication date
JPH051168Y2 (ja) 1993-01-13

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