JPS6474426A - Light quantity detecting device - Google Patents
Light quantity detecting deviceInfo
- Publication number
- JPS6474426A JPS6474426A JP23132087A JP23132087A JPS6474426A JP S6474426 A JPS6474426 A JP S6474426A JP 23132087 A JP23132087 A JP 23132087A JP 23132087 A JP23132087 A JP 23132087A JP S6474426 A JPS6474426 A JP S6474426A
- Authority
- JP
- Japan
- Prior art keywords
- output
- gain
- signal
- inputted
- light
- 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
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23132087A JPS6474426A (en) | 1987-09-16 | 1987-09-16 | Light quantity detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23132087A JPS6474426A (en) | 1987-09-16 | 1987-09-16 | Light quantity detecting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6474426A true JPS6474426A (en) | 1989-03-20 |
Family
ID=16921785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23132087A Pending JPS6474426A (en) | 1987-09-16 | 1987-09-16 | Light quantity detecting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6474426A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09136175A (ja) * | 1995-11-10 | 1997-05-27 | Nissan Motor Co Ltd | レーザ溶接におけるワークの溶融状態判定方法 |
-
1987
- 1987-09-16 JP JP23132087A patent/JPS6474426A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09136175A (ja) * | 1995-11-10 | 1997-05-27 | Nissan Motor Co Ltd | レーザ溶接におけるワークの溶融状態判定方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1014564A3 (en) | Feedforward amplifier | |
JPS5711548A (en) | Optical receiving circuit | |
KR900002985B1 (en) | Automatic gain control circuit | |
JPS6474426A (en) | Light quantity detecting device | |
JPS5437403A (en) | Automatic gain control method for light receiving circuit | |
JPS5644843A (en) | Measuring device of acoustic emission | |
EP0329104A3 (en) | Image signal processor with noise elimination circuit | |
JPS53142154A (en) | Optical signal receiving circuit | |
JPS5580936A (en) | Optical receiving circuit | |
JPS5733838A (en) | Signal intensity detecting circuit | |
JPS6436131A (en) | Automatic gain control system for optical receiver | |
JPS5437664A (en) | Automatic gain adjusting circuit | |
JPS6473228A (en) | Light quantity detecting device | |
JPS6468030A (en) | Reception equipment for space propagation optical signal | |
JPS564949A (en) | Transmission system for previous-arrangement supervisory signal | |
FR2445068A1 (fr) | Circuit comportant un amplificateur reglable | |
JPS57121340A (en) | Optical transmission device | |
JPS56152348A (en) | Photoelectric converting circuit | |
JPS5564409A (en) | Agc circuit of receiver | |
SU1136306A1 (ru) | Устройство автоматической стабилизации мощности | |
JPS6467044A (en) | Synchronizing signal detection circuit | |
JPS6410737A (en) | Transmitter-receiver | |
JPS5530300A (en) | Gain control circuit | |
JPS56111311A (en) | Intermediate-frequency amplifying device with function of limiting input amplitude | |
JPS6412631A (en) | Optical receiving circuit |