JPS61147959U - - Google Patents
Info
- Publication number
- JPS61147959U JPS61147959U JP3259885U JP3259885U JPS61147959U JP S61147959 U JPS61147959 U JP S61147959U JP 3259885 U JP3259885 U JP 3259885U JP 3259885 U JP3259885 U JP 3259885U JP S61147959 U JPS61147959 U JP S61147959U
- Authority
- JP
- Japan
- Prior art keywords
- light
- pair
- emitting element
- receiving elements
- receiving
- 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
- 239000000758 substrate Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000523 sample Substances 0.000 claims 1
- 239000012488 sample solution Substances 0.000 claims 1
- 239000012086 standard solution Substances 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
信号処理、制御回路図、第３図Ａはスリツト板の
変形例の正面図、第３図Ｂは受光素子の変形例の
正面図である。
１は光源用電源、２は発光素子、３はレンズ、
４はスリツト板、４ａ，４ｂは一対のスリツト、
４ｃはモニタ用スリツト、５は結晶フイルタ、６
はレンズ、７はフローセル、８は鏡、９は基板、
９ａ，９ｂは一対の受光素子、９ｃはモニタ用受
光素子、１０は減算器、１１は加算器、１２は制
御回路を示す。
Fig. 1 is a configuration diagram of an embodiment of the present invention, Fig. 2 is a signal processing and control circuit diagram, Fig. 3A is a front view of a modification of the slit plate, and Fig. 3B is a modification of the light receiving element. It is a front view. 1 is a power source for the light source, 2 is a light emitting element, 3 is a lens,
4 is a slit plate, 4a and 4b are a pair of slits,
4c is a monitor slit, 5 is a crystal filter, 6
is a lens, 7 is a flow cell, 8 is a mirror, 9 is a substrate,
9a and 9b are a pair of light receiving elements, 9c is a monitor light receiving element, 10 is a subtracter, 11 is an adder, and 12 is a control circuit.
Claims (1)
、 スリツト板に穿設された一対のスリツトを介し
て前記フローセルを照射する発光素子と、 前記フローセルにおいて屈折された光を受光す
るための基板に設けられた一対の受光素子と、 前記一対の受光素子の出力差に基づき試料液の
分析を行なうものにおいて、 前記発光素子を一定輝度で発光させるために一
定電圧を出力する光源用電源と、 前記発光素子とフローセルとの間に配設された
光透過率可変型フイルタと、 前記一対の受光素子の出力を加算する加算器と
、 前記加算器の出力に基づいて一対の受光素子に
受光される総光量が一定となるように前記光透過
量可変型フイルタに加えられる電圧を制御する制
御手段と を備える示差屈折計。 (2) 前記一対のスリツトと共に設けられたモニ
タ用スリツトを有するスリツト板と、 前記一対の受光素子と共に設けられたモニタ用
受光素子と、 前記モニタ用受光素子の出力に基づき該受光素
子に受光される光量が一定となるように前記透過
量可変型フイルタに加えられる電圧を制御する制
御手段とを備える前記実用新案登録請求の範囲(1
)記載の示差屈折計。[Claims for Utility Model Registration] (1) A flow cell through which a sample solution and a standard solution flow, a light emitting element that illuminates the flow cell through a pair of slits formed in a slit plate, and a light emitting element that emits light to the flow cell through a pair of slits formed in a slit plate; A pair of light-receiving elements provided on a substrate for receiving the light emitted from the light-emitting element, and a sample liquid is analyzed based on the output difference between the pair of light-receiving elements, the light-emitting element being set at a constant brightness in order to cause the light-emitting element to emit light at a constant brightness. a light source power source that outputs a voltage; a variable light transmittance filter disposed between the light emitting element and the flow cell; an adder that adds the outputs of the pair of light receiving elements; a control means for controlling a voltage applied to the variable light transmission amount filter so that the total amount of light received by the pair of light receiving elements is constant based on the amount of light received by the pair of light receiving elements. (2) a slit plate having a monitor slit provided together with the pair of slits; a monitor light-receiving element provided together with the pair of light-receiving elements; light received by the light-receiving element based on the output of the monitor light-receiving element; and control means for controlling the voltage applied to the variable transmission amount filter so that the amount of light transmitted is constant.
) differential refractometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3259885U JPS61147959U (en) | 1985-03-07 | 1985-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3259885U JPS61147959U (en) | 1985-03-07 | 1985-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61147959U true JPS61147959U (en) | 1986-09-12 |
Family
ID=30534260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3259885U Pending JPS61147959U (en) | 1985-03-07 | 1985-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61147959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007093492A (en) * | 2005-09-30 | 2007-04-12 | Shimadzu Corp | Differential refractive index detector and its adjusting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4898882A (en) * | 1972-03-29 | 1973-12-14 | ||
| JPS5144401A (en) * | 1975-08-16 | 1976-04-16 | Nippon Technical | OSHIBOTAN SHIKIDOCHOKI |
| JPS59125041A (en) * | 1982-12-29 | 1984-07-19 | Showa Denko Kk | Polarization type differential refractometer |
-
1985
- 1985-03-07 JP JP3259885U patent/JPS61147959U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4898882A (en) * | 1972-03-29 | 1973-12-14 | ||
| JPS5144401A (en) * | 1975-08-16 | 1976-04-16 | Nippon Technical | OSHIBOTAN SHIKIDOCHOKI |
| JPS59125041A (en) * | 1982-12-29 | 1984-07-19 | Showa Denko Kk | Polarization type differential refractometer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007093492A (en) * | 2005-09-30 | 2007-04-12 | Shimadzu Corp | Differential refractive index detector and its adjusting method |
| JP4577177B2 (en) * | 2005-09-30 | 2010-11-10 | 株式会社島津製作所 | Differential refractive index detector and adjustment method thereof |
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