JPH0646120Y2 - 音響測定装置 - Google Patents

音響測定装置

Info

Publication number
JPH0646120Y2
JPH0646120Y2 JP2352388U JP2352388U JPH0646120Y2 JP H0646120 Y2 JPH0646120 Y2 JP H0646120Y2 JP 2352388 U JP2352388 U JP 2352388U JP 2352388 U JP2352388 U JP 2352388U JP H0646120 Y2 JPH0646120 Y2 JP H0646120Y2
Authority
JP
Japan
Prior art keywords
microphone
speaker
level
measuring device
switch
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.)
Expired - Lifetime
Application number
JP2352388U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01126750U (en]
Inventor
宇俶 沼尾
栄 千代田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 by Sony Corp filed Critical Sony Corp
Priority to JP2352388U priority Critical patent/JPH0646120Y2/ja
Publication of JPH01126750U publication Critical patent/JPH01126750U/ja
Application granted granted Critical
Publication of JPH0646120Y2 publication Critical patent/JPH0646120Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2352388U 1988-02-24 1988-02-24 音響測定装置 Expired - Lifetime JPH0646120Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2352388U JPH0646120Y2 (ja) 1988-02-24 1988-02-24 音響測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2352388U JPH0646120Y2 (ja) 1988-02-24 1988-02-24 音響測定装置

Publications (2)

Publication Number Publication Date
JPH01126750U JPH01126750U (en]) 1989-08-30
JPH0646120Y2 true JPH0646120Y2 (ja) 1994-11-24

Family

ID=31242583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2352388U Expired - Lifetime JPH0646120Y2 (ja) 1988-02-24 1988-02-24 音響測定装置

Country Status (1)

Country Link
JP (1) JPH0646120Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5196586B2 (ja) * 2009-09-29 2013-05-15 Ｎｅｃインフロンティア株式会社 通報装置及び通報システム

Also Published As

Publication number Publication date
JPH01126750U (en]) 1989-08-30

Similar Documents

Publication Publication Date Title
US5467773A (en) Cardiac patient remote monitoring using multiple tone frequencies from central station to control functions of local instrument at patient's home
US20070155380A1 (en) Remote switching for handset handsfree speakerphone
JPH0646120Y2 (ja) 音響測定装置
US7010096B1 (en) Remote testing of a communications line
EP0455987B1 (en) Communicating apparatus having dual function of a facsimile and a cordless telephone
CN106804019B (zh) 具有话筒和功放工作状态显示功能的音响系统
US5206898A (en) Transmission control unit
US4323738A (en) Portable telephone line test set
EP0880258B1 (en) Remote testing of a communications line
JP2894882B2 (ja) ハンズフリー電話装置
KR930002582B1 (ko) 확성전화기의 확성기에 접속된 증폭기에 전원을 공급하기 위한 장치
KR0151656B1 (ko) 디지탈시계가 내장된 전화기
JPS60119142A (ja) コ−ドレステレホン装置
KR101255043B1 (ko) 전화기 시험기
JP3335439B2 (ja) データ通信用端末装置
CN1852372B (zh) 声讯服务器
JP2760133B2 (ja) コードレス親子電話装置
KR890002635Y1 (ko) 승강기용 인터폰
KR940027443A (ko) 문자전송전화기
JP2514399Y2 (ja) 携帯形出合試験器用アダプタ
JP2533760Y2 (ja) モニター機能を有したインターホン親機及びこれを用いたインターホンシステム
JPS59139733A (ja) インタホン方式
JPH0666840B2 (ja) セキュリティ装置
JPS61156964A (ja) 商品発注等に用いるデ−タ送信送置
JPH0714177B2 (ja) コ−ドレステレホン装置