JPH0227552U - - Google Patents
Info
- Publication number
- JPH0227552U JPH0227552U JP9361089U JP9361089U JPH0227552U JP H0227552 U JPH0227552 U JP H0227552U JP 9361089 U JP9361089 U JP 9361089U JP 9361089 U JP9361089 U JP 9361089U JP H0227552 U JPH0227552 U JP H0227552U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- particle
- threshold
- conversion circuit
- 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
Links
- 239000002245 particle Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 210000000601 blood cell Anatomy 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
Description
第１図は血球などの粒子の累積粒度分布曲線を
粒子数に無関係に％表示した曲線図、第２図は本
考案の装置の一実施例を示す系統的説明図である
。
１……粒子検出装置、２……第１閾値回路、３
……第２閾値回路、４……第１周波数・電圧変換
回路、５……第２周波数・電圧変換回路、６……
分配器、７……制御回路、８……サーボモータ、
９……ポテンシヨメータ、１０……基準電圧発生
回路、１１……変換回路、１２……記録装置、１
３……基準電圧発生回路。
FIG. 1 is a curve diagram in which the cumulative particle size distribution curve of particles such as blood cells is expressed as a percentage regardless of the number of particles, and FIG. 2 is a systematic explanatory diagram showing one embodiment of the apparatus of the present invention. 1... Particle detection device, 2... First threshold circuit, 3
...Second threshold circuit, 4...First frequency/voltage conversion circuit, 5...Second frequency/voltage conversion circuit, 6...
Distributor, 7... Control circuit, 8... Servo motor,
9... Potentiometer, 10... Reference voltage generation circuit, 11... Conversion circuit, 12... Recording device, 1
3...Reference voltage generation circuit.
Claims (1)
子と粒子懸濁液との電気的差異または光学的差異
に基づいて粒子を検出し、粒子の大きさに比例し
た信号を発生する粒子検出装置１と、この粒子検
出装置に接続されすべての粒子信号を通過させる
閾値レベルを有する第１閾値回路２と、この粒子
検出装置および後記の基準電圧発生回路１０にポ
テンシヨメータ９を介して接続され所定の閾値レ
ベルを有する第２閾値回路３と、前者の第１閾値
回路２を通過した粒子信号を電圧に変換する第１
周波数・電圧変換回路４と、この第１周波数・電
圧変換回路４に接続されこの変換回路４からの電
圧を所定の電圧レベルに分配する分配器６と、後
者の第２閾値回路３を通過した粒子信号を電圧に
変換する第２周波数・電圧変換回路５と、この第
２周波数・電圧変換回路５および前記分配器６に
接続された制御回路７と、この制御回路に接続さ
れたサーボモータ８と、このサーボモータに前記
ポテンシヨメータ９を介して接続された前記基準
電圧発生回路１０と、このポテンシヨメータ９に
変換回路１１を介して接続された記録装置１２と
を包含することを特徴とする平均粒子容積測定装
置。 Particle detection involves passing particles suspended in a liquid through micropores and detecting the particles based on electrical or optical differences between the particles and the particle suspension, producing a signal proportional to the particle size. A device 1 , a first threshold circuit 2 connected to this particle detection device and having a threshold level that allows all particle signals to pass, and a potentiometer 9 connected to this particle detection device and a reference voltage generation circuit 10 described later. a second threshold circuit 3 having a predetermined threshold level; and a first threshold circuit 3 that converts the particle signal passed through the former first threshold circuit 2 into a voltage.
The voltage passed through the frequency/voltage conversion circuit 4 , the divider 6 connected to the first frequency/voltage conversion circuit 4 and distributing the voltage from the conversion circuit 4 to a predetermined voltage level, and the second threshold circuit 3 of the latter. A second frequency/voltage conversion circuit 5 that converts a particle signal into voltage, a control circuit 7 connected to this second frequency/voltage conversion circuit 5 and the distributor 6 , and a servo motor 8 connected to this control circuit. , the reference voltage generation circuit 10 connected to the servo motor via the potentiometer 9 , and a recording device 12 connected to the potentiometer 9 via a conversion circuit 11 . Average particle volume measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9361089U JPH0311724Y2 (en) | 1989-08-09 | 1989-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9361089U JPH0311724Y2 (en) | 1989-08-09 | 1989-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0227552U true JPH0227552U (en) | 1990-02-22 |
| JPH0311724Y2 JPH0311724Y2 (en) | 1991-03-20 |
Family
ID=31318076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9361089U Expired JPH0311724Y2 (en) | 1989-08-09 | 1989-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311724Y2 (en) |
-
1989
- 1989-08-09 JP JP9361089U patent/JPH0311724Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311724Y2 (en) | 1991-03-20 |
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