JPH01109902U - - Google Patents

Info

Publication number
JPH01109902U
JPH01109902U JP508888U JP508888U JPH01109902U JP H01109902 U JPH01109902 U JP H01109902U JP 508888 U JP508888 U JP 508888U JP 508888 U JP508888 U JP 508888U JP H01109902 U JPH01109902 U JP H01109902U
Authority
JP
Japan
Prior art keywords
ultrasonic
ground
ultrasonic sensor
wave
receiver
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
JP508888U
Other languages
Japanese (ja)
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 JP508888U priority Critical patent/JPH01109902U/ja
Publication of JPH01109902U publication Critical patent/JPH01109902U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lifting Devices For Agricultural Implements (AREA)
  • Harvester Elements (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図は、この考案の一実施例を示すもので、第1
図は全体側面図、第2図は制御ブロツク図、第3
図は動作説明図、第4図はフローチヤートを示す
。 図中、符号1は作業装置、2は超音波センサ、
3は発信器、4は受信器、16はコントローラ、
20は発信、受信ラインの切替リレーを示す。
The figure shows one embodiment of this invention.
The figure is an overall side view, the second figure is a control block diagram, and the third figure is a control block diagram.
The figure shows an operation explanatory diagram, and FIG. 4 shows a flowchart. In the figure, numeral 1 is a working device, 2 is an ultrasonic sensor,
3 is a transmitter, 4 is a receiver, 16 is a controller,
Reference numeral 20 indicates a switching relay for transmitting and receiving lines.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 地面へ向けて発信する超音波の反射波を受信し
て作業装置1の対地高さ等を検出する超音波セン
サ2において、この受信器4で発信するように正
逆に切替自在に設けてなる移動農機等の超音波セ
ンサ。
In the ultrasonic sensor 2 which detects the height above the ground of the working device 1 by receiving the reflected wave of the ultrasonic wave emitted toward the ground, the ultrasonic sensor 2 is provided so as to be freely switchable between forward and reverse so that the receiver 4 transmits the ultrasonic wave. Ultrasonic sensors for mobile agricultural machinery, etc.
JP508888U 1988-01-18 1988-01-18 Pending JPH01109902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP508888U JPH01109902U (en) 1988-01-18 1988-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP508888U JPH01109902U (en) 1988-01-18 1988-01-18

Publications (1)

Publication Number Publication Date
JPH01109902U true JPH01109902U (en) 1989-07-25

Family

ID=31508808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP508888U Pending JPH01109902U (en) 1988-01-18 1988-01-18

Country Status (1)

Country Link
JP (1) JPH01109902U (en)

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