JPS6335969U - - Google Patents
Info
- Publication number
- JPS6335969U JPS6335969U JP12800186U JP12800186U JPS6335969U JP S6335969 U JPS6335969 U JP S6335969U JP 12800186 U JP12800186 U JP 12800186U JP 12800186 U JP12800186 U JP 12800186U JP S6335969 U JPS6335969 U JP S6335969U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- terminals
- test connector
- amplifier
- power
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
図は本考案の一実施例にかかる回路図である。
Ａ……検査対象のマイクロホン回線、Ｂ及びＣ
……マイクロホン回線接続検査器、１，２……マ
イクロホンコネクタ、３，１４……マイクロホン
、４，１５……マイクロホン増幅器、５，１６…
…インピーダンス整合抵抗、６，１７……モニタ
音量調整器、７，１８……モニタ増幅器、８，１
９……スピーカ、９，２０……直流遮断コンデン
サ、１０，２１……マイクロホンテストコネクタ
、１１……電源装置、１２……電源スイツチ、１
３，２４……電源表示灯、２２，２３……逆流防
止ダイオード、，，……第１、第２、第３
端子。
The figure is a circuit diagram according to an embodiment of the present invention. A...Microphone line to be tested, B and C
...Microphone line connection tester, 1, 2...Microphone connector, 3,14...Microphone, 4,15...Microphone amplifier, 5,16...
...Impedance matching resistor, 6,17...Monitor volume adjuster, 7,18...Monitor amplifier, 8,1
9... Speaker, 9, 20... DC cutoff capacitor, 10, 21... Microphone test connector, 11... Power supply device, 12... Power switch, 1
3, 24... Power indicator light, 22, 23... Backflow prevention diode,,... 1st, 2nd, 3rd
terminal.
補正 昭６１．１２．１０
考案の名称を次のように補正する。
考案の名称 マイクロホン回線接続検査器
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment December 10, 1981 The name of the invention is amended as follows. Title of the invention: Microphone line connection tester The scope of the utility model registration claims and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
マイクロホン、増幅器、直流遮断コンデンサか
らなる音声送信回路及びスピーカ、増幅器、モニ
タ音量調整器からなる音声受信回路をテストコネ
クタの第３の端子に接続し、前記音声送・受信回
路の増幅器の電源装置、その電源スイツチ、電源
表示灯を含む電源回路を前記テストコネクタの第
２及び第３の端子に接続しうるように構成され、
前記テストコネクタの第１、第２及び第３端子は
夫々れ被検査対象のマイクロホン回線と接続され
たマイクロホンテストコネクタの対応する第１、
第２及び第３端子と接続できるよう構成され、音
声の発生音及び電源表示灯の点灯により前記マイ
クロホン回線の接続状態を検査できるようにした
ことを特徴とするマイクロホン回線接続検査器。[Claims for Utility Model Registration] An audio transmitting circuit consisting of a microphone, an amplifier, and a DC blocking capacitor, and an audio receiving circuit consisting of a speaker, an amplifier, and a monitor volume adjuster are connected to the third terminal of the test connector, and the audio transmitting circuit is connected to the third terminal of the test connector. A power supply circuit including a power supply device of an amplifier of a receiving circuit, its power switch, and a power indicator light can be connected to the second and third terminals of the test connector,
The first, second, and third terminals of the test connector are connected to the corresponding first, second, and third terminals of the microphone test connector connected to the microphone line to be tested, respectively.
1. A microphone line connection tester, characterized in that the microphone line connection tester is configured to be connected to second and third terminals, and is capable of testing the connection state of the microphone line by generating sound and lighting a power indicator light.
【図面の簡単な説明】
第１図、第３図は本考案の一実施例にかかるマ
イクロホン回線接続検査器の回路図、第２図は本
考案の一実施例にかかるマイクロホン回線の回路
図である。
１，２……マイクロホンコネクタ、３，１４…
…マイクロホン、４，１５……マイクロホン増幅
器、５，１６……インピーダンス整合抵抗、６，
１７……モニタ音量調整器、７，１８……モニタ
増幅器、８，１９……スピーカ、９，２０……直
流遮断コンデンサ、１０，２１……マイクロホン
テストコネクタ、１１……電源装置、１２……電
源スイツチ、１３，２４……電源表示灯、２２，
２３……逆流防止ダイオード、、、……第
１、第２、第３端子。[Brief Description of the Drawings] Figures 1 and 3 are circuit diagrams of a microphone line connection tester according to an embodiment of the present invention, and Figure 2 is a circuit diagram of a microphone line according to an embodiment of the present invention. be. 1, 2...Microphone connector, 3, 14...
... Microphone, 4, 15 ... Microphone amplifier, 5, 16 ... Impedance matching resistor, 6,
17...Monitor volume adjuster, 7,18...Monitor amplifier, 8,19...Speaker, 9,20...DC cutoff capacitor, 10,21...Microphone test connector, 11...Power supply device, 12... Power switch, 13, 24...Power indicator light, 22,
23... Backflow prevention diode,... First, second, and third terminals.
Claims (1)
らなる音声送信回路及びスピーカ、増幅器、モニ
タ音量調整器からなる音声受信回路をテストコネ
クタの第３の端子に接続し、前記音声送、受信回
路の増幅器の電源装置、その電源スイツチ、電源
表示灯を含む電源回路を前記テストコネクタの第
２及び第３の端子に接続しうるように構成され、
前記テストコネクタの第１、第２及び第３端子は
夫々れ被検査対象のマイクロホン回線と接続され
たマイクロホンテストコネクタの対応する第１、
第２及び第３端子と接続できるように構成され、
音声の発声音及び電源表示灯の点灯により前記マ
イクロホン回線の接続状態を検査できるようにし
たことを特徴とするマイクロホン回線接続検査器
。 An audio transmitting circuit consisting of a microphone, an amplifier, and a DC cutoff capacitor, and an audio receiving circuit consisting of a speaker, an amplifier, and a monitor volume adjuster are connected to the third terminal of the test connector, and a power supply device for the amplifier of the audio transmitting and receiving circuit; The power circuit including the power switch and the power indicator light can be connected to the second and third terminals of the test connector,
The first, second, and third terminals of the test connector are connected to the corresponding first, second, and third terminals of the microphone test connector connected to the microphone line to be tested, respectively.
configured to be connected to the second and third terminals,
A microphone line connection tester, characterized in that the connection state of the microphone line can be tested by sounding a voice and lighting a power indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12800186U JPS6335969U (en) | 1986-08-22 | 1986-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12800186U JPS6335969U (en) | 1986-08-22 | 1986-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335969U true JPS6335969U (en) | 1988-03-08 |
Family
ID=31023274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12800186U Pending JPS6335969U (en) | 1986-08-22 | 1986-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335969U (en) |
-
1986
- 1986-08-22 JP JP12800186U patent/JPS6335969U/ja active Pending
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