JPH0265148U - - Google Patents
Info
- Publication number
- JPH0265148U JPH0265148U JP14375288U JP14375288U JPH0265148U JP H0265148 U JPH0265148 U JP H0265148U JP 14375288 U JP14375288 U JP 14375288U JP 14375288 U JP14375288 U JP 14375288U JP H0265148 U JPH0265148 U JP H0265148U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- light source
- photoelectric conversion
- conversion element
- 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.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 3
- 230000010355 oscillation Effects 0.000 claims 2
- 244000144992 flock Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
第１図は本考案の実施例の概略的配置図、第２
図は同実施例のブロツク回路図、第３図は並列対
向型照明器の斜視図である。
１…照明部、３…主光フアイバー、４…参照用
光フアイバー、５…光源回路、６…照度安定化回
路。
Figure 1 is a schematic layout diagram of an embodiment of the present invention;
The figure is a block circuit diagram of the same embodiment, and FIG. 3 is a perspective view of a parallel-opposed illuminator. DESCRIPTION OF SYMBOLS 1... Illumination section, 3... Main optical fiber, 4... Reference optical fiber, 5... Light source circuit, 6... Illuminance stabilization circuit.
Claims (1)
導通を位相制御しランプを点灯する光源回路と、 この光源回路により点灯されるランプよりの光
を照明部に送る主光フアイバーと、 前記ランプの明るさを光電変換素子に伝える参
照用光フアイバーと、 前記光電変換素子を含み、この光電変換素子の
出力を比較増幅し、前記光源回路の発振器の発振
状態を制御する照度安定化回路と、 よりなり、ランプ照度を一定に保つようにした
ことを特徴とするフロツク計測装置における照明
装置。[Scope of Claim for Utility Model Registration] A light source circuit that lights a lamp by controlling the phase of the conduction of a switching element using a phase control oscillation circuit, and a main optical fiber that sends light from the lamp lit by this light source circuit to a lighting section. , a reference optical fiber that transmits the brightness of the lamp to a photoelectric conversion element, and an illuminance stabilization device that includes the photoelectric conversion element, compares and amplifies the output of the photoelectric conversion element, and controls the oscillation state of the oscillator of the light source circuit. 1. An illumination device for a flock measuring device, characterized by comprising a circuit and a lamp illuminance kept constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14375288U JPH0265148U (en) | 1988-11-02 | 1988-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14375288U JPH0265148U (en) | 1988-11-02 | 1988-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0265148U true JPH0265148U (en) | 1990-05-16 |
Family
ID=31410856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14375288U Pending JPH0265148U (en) | 1988-11-02 | 1988-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0265148U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853731A (en) * | 1981-09-25 | 1983-03-30 | Nec Corp | Temperature sensitive switch circuit |
| JPS6279329A (en) * | 1985-10-01 | 1987-04-11 | Hitachi Ltd | Floc monitor apparatus |
-
1988
- 1988-11-02 JP JP14375288U patent/JPH0265148U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853731A (en) * | 1981-09-25 | 1983-03-30 | Nec Corp | Temperature sensitive switch circuit |
| JPS6279329A (en) * | 1985-10-01 | 1987-04-11 | Hitachi Ltd | Floc monitor apparatus |
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