JPH01151396U - - Google Patents
Info
- Publication number
- JPH01151396U JPH01151396U JP4617288U JP4617288U JPH01151396U JP H01151396 U JPH01151396 U JP H01151396U JP 4617288 U JP4617288 U JP 4617288U JP 4617288 U JP4617288 U JP 4617288U JP H01151396 U JPH01151396 U JP H01151396U
- Authority
- JP
- Japan
- Prior art keywords
- response
- receiver
- search signal
- signal
- transmitter
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図および第２図は本考案による応答装置の
一実施例を示すものであつて、第１図ａおよび第
１図ｂはそれぞれ発信機および受信機の構成を示
すブロツクダイヤグラム、第２図ａは発信機から
受信する超音波サーチ信号波形の一例を示す波形
図、第２図ｂは第２図ａの超音波サーチ信号を受
信機で復調した波形を示す波形図である。
４はスピーカ、５は発信機、６は受波器、７は
増巾回路、８は復調回路、９は判別回路、１０は
応答出力回路、１１はスピーカ、１２は受信機で
ある。
1 and 2 show an embodiment of the response device according to the present invention, FIGS. 1a and 1b are block diagrams showing the configurations of a transmitter and a receiver, respectively, and FIG. 2a is a waveform diagram showing an example of the waveform of an ultrasonic search signal received from a transmitter, and FIG. 2b is a waveform diagram showing a waveform obtained by demodulating the ultrasonic search signal of FIG. 2a by a receiver. 4 is a speaker, 5 is a transmitter, 6 is a receiver, 7 is an amplification circuit, 8 is a demodulation circuit, 9 is a discrimination circuit, 10 is a response output circuit, 11 is a speaker, and 12 is a receiver.
Claims (1)
サーチ信号が予め定められた波形、繰返し周期等
の仕様に合致するか否かを判別する判別回路と、
この判別回路が、上記受信サーチ信号が予め定め
られた仕様に合致すると判別したときに応答信号
を発生する応答信号出力回路と、上記応答信号を
可聴応答音として発するスピーカとを備えた受信
機から成り、 上記受信機を小型物品に附随させ、この小型物
品が見失われたときに受信機が発信機からのサー
チ信号を受信して応答音を発するように構成され
ていることを特徴とする応答装置。[Scope of Claim for Utility Model Registration] A transmitter that emits a sound wave search signal, a receiver that receives the search signal, and a received search signal that meets specifications such as predetermined waveform and repetition period. a determination circuit that determines whether or not;
A receiver including a response signal output circuit that generates a response signal when the discrimination circuit determines that the received search signal matches a predetermined specification, and a speaker that emits the response signal as an audible response sound. A response characterized in that the receiver is attached to a small article, and the receiver is configured to receive a search signal from the transmitter and emit a response sound when the small article is lost. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4617288U JPH01151396U (en) | 1988-04-05 | 1988-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4617288U JPH01151396U (en) | 1988-04-05 | 1988-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01151396U true JPH01151396U (en) | 1989-10-19 |
Family
ID=31272452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4617288U Pending JPH01151396U (en) | 1988-04-05 | 1988-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01151396U (en) |
-
1988
- 1988-04-05 JP JP4617288U patent/JPH01151396U/ja active Pending
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