JPS62104145U - - Google Patents

Info

Publication number
JPS62104145U
JPS62104145U JP19611385U JP19611385U JPS62104145U JP S62104145 U JPS62104145 U JP S62104145U JP 19611385 U JP19611385 U JP 19611385U JP 19611385 U JP19611385 U JP 19611385U JP S62104145 U JPS62104145 U JP S62104145U
Authority
JP
Japan
Prior art keywords
sugar content
prism
circuit
totally reflected
image
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.)
Granted
Application number
JP19611385U
Other languages
Japanese (ja)
Other versions
JPH0326443Y2 (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 JP1985196113U priority Critical patent/JPH0326443Y2/ja
Publication of JPS62104145U publication Critical patent/JPS62104145U/ja
Application granted granted Critical
Publication of JPH0326443Y2 publication Critical patent/JPH0326443Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

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

第１図乃至第４図は本考案の実施例を示すもの
で、第１図は屈折計本体の各構成配置を示す縦断
側面図であり、第２図は本装置のブロツクダイヤ
グラムであり、第３図は縦軸各ビツトの光量、横
軸にイメージセンサーのビツト数を採つたイメー
ジセンサー上の全反射点の移動を示したグラフで
あり、第４図は同じくＣＰＵ回路へ伝える時の臨
界点を表わしたグラフである。 ２……プリズム、２Ａ……プリズム界面、３…
…サンプル滴下窓部、６……イメージセンサー、
９……ピークホールド回路、１０……ＣＰＵ回路
、１０Ａ……温度センサー、１３……表示器、１
５……定電圧回路、１７……ＡＣアダプター端子
。 1 to 4 show an embodiment of the present invention. FIG. 1 is a vertical side view showing the arrangement of each component of the refractometer body, FIG. 2 is a block diagram of the device, and FIG. Figure 3 is a graph showing the movement of the total reflection point on the image sensor, with the vertical axis representing the amount of light for each bit and the horizontal axis representing the number of bits of the image sensor. Figure 4 also shows the critical point when transmitting light to the CPU circuit. This is a graph showing the following. 2...prism, 2A...prism interface, 3...
...Sample dropping window, 6...Image sensor,
9...Peak hold circuit, 10...CPU circuit, 10A...Temperature sensor, 13...Display device, 1
5... Constant voltage circuit, 17... AC adapter terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光源Ｐから発した光をサンプル滴下窓部３に設
置したプリズム２のプリズム界面２Ａから対物レ
ンズ４側へ全反射する如く屈折計本体１を構成す
ると共に該全反射光線をイメージセンター６上に
結像せしめて電気信号に変換し、該電気信号をピ
ークホールド回路９、比較回路７、プログラムを
適宜設定したＣＰＵ回路１０によつてそのサンプ
ル溶液の糖度等をデジタル表示化せしめる一方、
前記プリズム界面２Ａに付置せしめた温度センタ
ー１０Ａと前記ＣＰＵ回路１０等とにより糖度の
温度補正を行わしめた糖度測定等のデジタル屈折
計。 The refractometer main body 1 is configured so that the light emitted from the light source P is totally reflected from the prism interface 2A of the prism 2 installed in the sample dropping window 3 toward the objective lens 4 side, and the totally reflected light beam is focused onto the image center 6. image and convert it into an electrical signal, and digitally display the sugar content of the sample solution using the peak hold circuit 9, the comparison circuit 7, and the CPU circuit 10 with an appropriately set program.
A digital refractometer for measuring sugar content, etc., which performs temperature correction of sugar content using a temperature center 10A attached to the prism interface 2A, the CPU circuit 10, etc.
JP1985196113U 1985-12-20 1985-12-20 Expired JPH0326443Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985196113U JPH0326443Y2 (en) 1985-12-20 1985-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985196113U JPH0326443Y2 (en) 1985-12-20 1985-12-20

Publications (2)

Publication Number Publication Date
JPS62104145U true JPS62104145U (en) 1987-07-02
JPH0326443Y2 JPH0326443Y2 (en) 1991-06-07

Family

ID=31154631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985196113U Expired JPH0326443Y2 (en) 1985-12-20 1985-12-20

Country Status (1)

Country Link
JP (1) JPH0326443Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101014209B1 (en) * 2008-09-02 2011-02-14 주식회사 지원하이텍 Food sugar measuring device using light quantity measurement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4889772B2 (en) * 2009-09-18 2012-03-07 株式会社アタゴ Refractometer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51131376U (en) * 1975-04-10 1976-10-22
JPS51124977A (en) * 1975-04-25 1976-10-30 Hitachi Ltd Automatic refractometer
JPS531582U (en) * 1976-06-24 1978-01-09

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242634A (en) * 1975-10-01 1977-04-02 Yasutsune Ikenaga Wave eliminating block

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51131376U (en) * 1975-04-10 1976-10-22
JPS51124977A (en) * 1975-04-25 1976-10-30 Hitachi Ltd Automatic refractometer
JPS531582U (en) * 1976-06-24 1978-01-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101014209B1 (en) * 2008-09-02 2011-02-14 주식회사 지원하이텍 Food sugar measuring device using light quantity measurement

Also Published As

Publication number Publication date
JPH0326443Y2 (en) 1991-06-07

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