JPS5911591U

JPS5911591U - audio equipment

Info

Publication number: JPS5911591U
Application number: JP10735282U
Authority: JP
Inventors: 肇高尾
Original assignee: ヤマハ株式会社
Priority date: 1982-07-15
Filing date: 1982-07-15
Publication date: 1984-01-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は第２図、第３図、第４図の各実施例において利
用されるマイクロホン付ヘッドホンの一例を示す図で、
ａは背面図、ｂは左側面図、第２図はマイク電源切換ス
イッチをテープレコーダ本体側に設けるようにしたこの
考案の一実施例を示す回路図、第３図はマイク電源切換
スイッチをテープレコーダ本体側に設けるようにしたこ
の考案の他の実施例を示す回路図、第４図はマイクプラ
グ６とマイクジャック１１をマイク電源切換スイッチに
兼用したこの考案の一実施例を示す回路図、第５図はマ
イク電源切換スイッチをマイクロホン付ヘッドホン側に
設ける場合のマイクロホン付ヘッドホンの構成例を示す
図で、ａは背面図、ｂは左側面図である。２、　２ｒ、　　２］・・・マイクロホン、４．　４ｒ
、　　４１・・・ヘッドホンユニット、１０・・・マイ
ク占ホン付ヘッドホン、ＳＷ１〜ＳＷ５・・・動作モー
ド選択操作スイッチ、ＳＷＩ　Ｏ，ＳＷＩ　１・・・マ
イク電源切換スイッチ、６．１１・・・マイク電源切換
スイッチ兼用マイク／ラグおよびマイクジャック、１３
．１３′・・・レベル検出回路、１４・・・レベル検出
用接点、１５・・・レヘル検出信号ライン、４１・・・
マイクアンプ、４２・・・録音ボリウム、４３・・・ラ
インアップ、４４・・・録音用イコライザアンプ、４７
・・・録再ヘッド、５３・・・消去ヘッド、５４・・・
再生用イコライザアンプ、５１・・・メータアンプ、５
．２・・・ピークメータ、Ｑ４・・・マイクロホンミュ
ーティング用トランジスタ、Ｑ６・・・ヘッドホン４を
動作不能にするためのトランジスタ。５ね４ｒ −し６FIG. 1 is a diagram showing an example of headphones with a microphone used in each of the embodiments shown in FIGS. 2, 3, and 4.
a is a rear view, b is a left side view, Fig. 2 is a circuit diagram showing an embodiment of this invention in which a microphone power selector switch is provided on the tape recorder body side, and Fig. 3 is a microphone power selector switch mounted on a tape recorder. A circuit diagram showing another embodiment of this invention in which the microphone plug 6 and microphone jack 11 are provided on the recorder body side, and FIG. FIG. 5 is a diagram showing an example of the configuration of a headphone with microphone when a microphone power switch is provided on the side of the headphone with microphone, in which a is a rear view and b is a left side view. 2, 2r, 2]...Microphone, 4. 4r
, 41...Headphone unit, 10...Headphones with microphone headset, SW1 to SW5...Operation mode selection operation switch, SWI O, SWI 1...Microphone power selection switch, 6.11...Microphone Power selector switch/microphone/lug and microphone jack, 13
．． 13'... Level detection circuit, 14... Level detection contact, 15... Level detection signal line, 41...
Microphone amplifier, 42...Recording volume, 43...Lineup, 44...Recording equalizer amplifier, 47
...Recording/reproducing head, 53...Erasing head, 54...
Reproduction equalizer amplifier, 51...meter amplifier, 5
．． 2...Peak meter, Q4...Microphone muting transistor, Q6...Transistor for making the headphones 4 inoperable. 5ne4r -shi6

Claims

[Scope of utility model registration request]

A headphone with a microphone, a tape recorder that records the sound picked up by the microphone and plays back the recorded sound with the headphone, and a microphone power supply that turns on and off the supply of operating power to the microphone. An audio device comprising a changeover switch and means for detecting that operating power is supplied to the microphone and muting the input of the headphones or putting the headphones in an inoperable state. −