JPH02105127U - - Google Patents
Info
- Publication number
- JPH02105127U JPH02105127U JP1352489U JP1352489U JPH02105127U JP H02105127 U JPH02105127 U JP H02105127U JP 1352489 U JP1352489 U JP 1352489U JP 1352489 U JP1352489 U JP 1352489U JP H02105127 U JPH02105127 U JP H02105127U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- output
- transmitter
- receiver
- inspected
- 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
- 239000004020 conductor Substances 0.000 claims 2
- 239000012212 insulator Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例の構成図、第２図、
第３図、第４図は従来例の構成図である。
１……シヤフト、２……振動センサ、３……送
信器、５……受信器、７……ヘツドホン。
Figure 1 is a configuration diagram of an embodiment of the present invention; Figure 2;
FIGS. 3 and 4 are configuration diagrams of conventional examples. 1... Shaft, 2... Vibration sensor, 3... Transmitter, 5... Receiver, 7... Headphone.
Claims (1)
を特徴とするワイヤレス聴音機。 ａ 一端を点検対象に接触させるシヤフトと、
該シヤフトの機械的振動を電気的信号に変換する
振動センサと、該振動センサの出力を変調電波に
して送信する送信器とを有する本体部。 ｂ 前記変調電波を受けて復調する受信器と、
該受信器の出力を入力する受話器とを有する受話
器部。 (2) シヤフトは、点検対象に接触させる端部が
絶縁体でそれ以外の部分が導電体で構成され、か
つ導電体部が送信器の出力端に接続されているこ
とを特徴とする請求項１記載のワイヤレス聴音機
。[Claims for Utility Model Registration] (1) A wireless listening device characterized by comprising the following components a and b. a shaft whose one end is brought into contact with the object to be inspected;
A main body including a vibration sensor that converts mechanical vibration of the shaft into an electrical signal, and a transmitter that converts the output of the vibration sensor into modulated radio waves and transmits them. b a receiver that receives and demodulates the modulated radio wave;
and a handset unit for inputting the output of the receiver. (2) A claim characterized in that the end of the shaft that comes into contact with the object to be inspected is made of an insulator, and the rest of the shaft is made of a conductor, and the conductor part is connected to the output end of the transmitter. The wireless listening device described in 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1352489U JPH02105127U (en) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1352489U JPH02105127U (en) | 1989-02-09 | 1989-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105127U true JPH02105127U (en) | 1990-08-21 |
Family
ID=31223901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1352489U Pending JPH02105127U (en) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105127U (en) |
-
1989
- 1989-02-09 JP JP1352489U patent/JPH02105127U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02105127U (en) | ||
| JPH02144190U (en) | ||
| JPS63162670U (en) | ||
| JPS63114567U (en) | ||
| JPS63185396U (en) | ||
| JPH02143900U (en) | ||
| JPS6364141U (en) | ||
| JPH0336241U (en) | ||
| JPH0337594U (en) | ||
| JPH01118374U (en) | ||
| JPH0459642U (en) | ||
| JPS6257475U (en) | ||
| JPS6195153U (en) | ||
| JPS6320633U (en) | ||
| JPS6275657U (en) | ||
| JPS6440936U (en) | ||
| JPS6142143U (en) | cordless earphone system | |
| JPH0268534U (en) | ||
| JPH01132184U (en) | ||
| JPS6423110U (en) | ||
| JPH02118336U (en) | ||
| JPS6416743U (en) | ||
| JPS5877938U (en) | Car radio with radio | |
| JPS61100074U (en) | ||
| JPS63131477U (en) |