JPH0457779U - - Google Patents

Info

Publication number
JPH0457779U
JPH0457779U JP8608090U JP8608090U JPH0457779U JP H0457779 U JPH0457779 U JP H0457779U JP 8608090 U JP8608090 U JP 8608090U JP 8608090 U JP8608090 U JP 8608090U JP H0457779 U JPH0457779 U JP H0457779U
Authority
JP
Japan
Prior art keywords
ultrasonic waves
sensor
ultrasonic
humidity
amplifier
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
Application number
JP8608090U
Other languages
English (en)
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 filed Critical
Priority to JP8608090U priority Critical patent/JPH0457779U/ja
Publication of JPH0457779U publication Critical patent/JPH0457779U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す超音波センサ
ーのブロツク図である。 1……超音波送受波器、2……送信器、3……
送受切換回路、4……アンプ、5……湿度センサ
ー、6……利得可変アンプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 超音波を空気中に発射し、物体を探知する超音
    波センサーにおいて、 湿度センサーと、湿度センサーの出力を受けて
    、アンプの利得を、超音波の周波数および湿度の
    いかんに関わらず超音波の減衰量が一定になるよ
    うに可変する利得可変アンプを有することを特徴
    とする超音波センサー。
JP8608090U 1990-08-17 1990-08-17 Pending JPH0457779U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8608090U JPH0457779U (ja) 1990-08-17 1990-08-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8608090U JPH0457779U (ja) 1990-08-17 1990-08-17

Publications (1)

Publication Number Publication Date
JPH0457779U true JPH0457779U (ja) 1992-05-18

Family

ID=31817567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8608090U Pending JPH0457779U (ja) 1990-08-17 1990-08-17

Country Status (1)

Country Link
JP (1) JPH0457779U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006242650A (ja) * 2005-03-01 2006-09-14 Denso Corp 超音波センサ装置
JP2009257978A (ja) * 2008-04-18 2009-11-05 Denso Corp 超音波センサ
JP2010249834A (ja) * 2010-06-11 2010-11-04 Denso Corp 超音波センサ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006242650A (ja) * 2005-03-01 2006-09-14 Denso Corp 超音波センサ装置
JP4715236B2 (ja) * 2005-03-01 2011-07-06 株式会社デンソー 超音波センサ装置
JP2009257978A (ja) * 2008-04-18 2009-11-05 Denso Corp 超音波センサ
JP4557040B2 (ja) * 2008-04-18 2010-10-06 株式会社デンソー 超音波センサ
JP2010249834A (ja) * 2010-06-11 2010-11-04 Denso Corp 超音波センサ

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