JPS62184408U - - Google Patents

Info

Publication number
JPS62184408U
JPS62184408U JP7364486U JP7364486U JPS62184408U JP S62184408 U JPS62184408 U JP S62184408U JP 7364486 U JP7364486 U JP 7364486U JP 7364486 U JP7364486 U JP 7364486U JP S62184408 U JPS62184408 U JP S62184408U
Authority
JP
Japan
Prior art keywords
output
image sensor
lens
magnitude
gauge
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
JP7364486U
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 JP7364486U priority Critical patent/JPS62184408U/ja
Publication of JPS62184408U publication Critical patent/JPS62184408U/ja
Pending legal-status Critical Current

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  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Description

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

第１図は本考案の実施例の構成を示すブロツク
図、第２図ａ，ｂはＣＣＤから出力される時系列
信号を現わす図である。 １……試験片、２……標点マーク、３……追跡
カメラ、５……レンズ、６……ＣＣＤイメージ・
センサ、１２……ＣＰＵ。 FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and FIGS. 2a and 2b are diagrams showing time-series signals output from a CCD. 1... Test piece, 2... Gauge mark, 3... Tracking camera, 5... Lens, 6... CCD image
Sensor, 12...CPU.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 試験片に明暗のコントラストをつけて表示され
た標点マークをレンズによつてイメージ・センサ
上に結像させ、該イメージ・センサによつて標点
マークを読み取り標点間の変位を検出する伸び計
であつて、イメージ・センサの各素子の出力の大
きさを計測する手段と、該計測手段によつて計測
された各信号出力の大きさから隣接する素子間の
出力変化値を演算する演算手段と、該演算手段に
よつて求めた素子間の出力変化値と出力信号のピ
ーク値とを比較してレンズのピント合わせが適切
か否かを判断する比較判断手段とを備えてなる伸
び計。 A gauge mark displayed on a test piece with contrast between light and dark is imaged onto an image sensor using a lens, and the image sensor reads the gauge mark and detects the displacement between the gauge marks. means for measuring the magnitude of the output of each element of the image sensor, and an operation for calculating an output change value between adjacent elements from the magnitude of each signal output measured by the measuring means. and a comparison/determination means for comparing the output change value between the elements obtained by the calculation means with the peak value of the output signal to determine whether or not the focusing of the lens is appropriate. .
JP7364486U 1986-05-15 1986-05-15 Pending JPS62184408U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7364486U JPS62184408U (en) 1986-05-15 1986-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7364486U JPS62184408U (en) 1986-05-15 1986-05-15

Publications (1)

Publication Number Publication Date
JPS62184408U true JPS62184408U (en) 1987-11-24

Family

ID=30918156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7364486U Pending JPS62184408U (en) 1986-05-15 1986-05-15

Country Status (1)

Country Link
JP (1) JPS62184408U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129597A (en) * 1974-09-03 1976-03-12 Toshiba Silicone Garasuseniseihinno shoryososeibutsu
JPS561022A (en) * 1979-06-18 1981-01-08 Asahi Optical Co Ltd Focus detector of camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129597A (en) * 1974-09-03 1976-03-12 Toshiba Silicone Garasuseniseihinno shoryososeibutsu
JPS561022A (en) * 1979-06-18 1981-01-08 Asahi Optical Co Ltd Focus detector of camera

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