JPS6438541U - - Google Patents
Info
- Publication number
- JPS6438541U JPS6438541U JP13281487U JP13281487U JPS6438541U JP S6438541 U JPS6438541 U JP S6438541U JP 13281487 U JP13281487 U JP 13281487U JP 13281487 U JP13281487 U JP 13281487U JP S6438541 U JPS6438541 U JP S6438541U
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- optical
- inputs
- sent
- measuring device
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図はこの考案の一実施例のブロツク図、第
２図は同実施例の光検出器に入射する光信号の波
形図、第３図は従来例のブロツク図である。
１……光切換器、１１，１２，１３，１５……
ミラー、１４……円板、１６……透過孔、１７…
…モーター、１８……光源、１９，２，２１，２
２……光検出器、３，３１，３２……増幅器、４
……同期整流回路、５……差検出回路、５１……
差動増幅器、６……同期信号回路、７，７１……
スイツチ、８，８１……表示装置。
FIG. 1 is a block diagram of an embodiment of this invention, FIG. 2 is a waveform diagram of an optical signal incident on a photodetector of the same embodiment, and FIG. 3 is a block diagram of a conventional example. 1... Optical switch, 11, 12, 13, 15...
Mirror, 14...Disc, 16...Transmission hole, 17...
...Motor, 18...Light source, 19, 2, 21, 2
2...Photodetector, 3, 31, 32...Amplifier, 4
...Synchronous rectifier circuit, 5...Difference detection circuit, 51...
Differential amplifier, 6... Synchronous signal circuit, 7, 71...
Switch, 8, 81...display device.
Claims (1)
くとも２つの光入力信号を時分割的に入射させる
光切換器と、上記光検出器の出力が送られる１系
統の測定回路とからなる光パワー測定器。 A single photodetector, an optical switch that inputs at least two optical input signals to the photodetector in a time-divisional manner, and a measurement circuit to which the output of the photodetector is sent. An optical power measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13281487U JPS6438541U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13281487U JPS6438541U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438541U true JPS6438541U (en) | 1989-03-08 |
Family
ID=31390125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13281487U Pending JPS6438541U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438541U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50139780A (en) * | 1974-04-25 | 1975-11-08 |
-
1987
- 1987-08-31 JP JP13281487U patent/JPS6438541U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50139780A (en) * | 1974-04-25 | 1975-11-08 |
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