JPS5962536U - Video signal reading control device for MTF measuring machine - Google Patents
Video signal reading control device for MTF measuring machineInfo
- Publication number
- JPS5962536U JPS5962536U JP15811982U JP15811982U JPS5962536U JP S5962536 U JPS5962536 U JP S5962536U JP 15811982 U JP15811982 U JP 15811982U JP 15811982 U JP15811982 U JP 15811982U JP S5962536 U JPS5962536 U JP S5962536U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- measuring machine
- reading control
- control device
- mtf measuring
- 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
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Facsimile Scanning Arrangements (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＭＴＦ測定機の一例における光学系を示す斜視
図、第２図は固体撮像素子の一例を示す斜視図、第３図
は電荷結合素子のタイミングチャート、第４図は電荷結
合素子の内部構成例を示す一ブロック図、第５図は本考
案の応用例を示すブローツク図、第６図は同応用例のタ
イミングチャートである。
３２．３３・・・・・・計数回路、３４・・・・・・フ
リップフロップ、３５・・・・・・ゲート回路。Figure 1 is a perspective view showing an optical system in an example of an MTF measuring device, Figure 2 is a perspective view showing an example of a solid-state image sensor, Figure 3 is a timing chart of a charge coupled device, and Figure 4 is a diagram of a charge coupled device. FIG. 5 is a block diagram showing an example of the internal configuration, FIG. 5 is a block diagram showing an application example of the present invention, and FIG. 6 is a timing chart of the application example. 32.33... Counting circuit, 34... Flip-flop, 35... Gate circuit.
Claims (1)
素子で測定し、この固体撮像素子からのビデオ信号をデ
ィジタル信号に変換してランダムアクセスメモリに読込
んだ後にフーリエ変換するＭＴＦ測定機において、前記
固体撮像素子の駆動パルスを計数して前記ビデオ信号の
指定区域を検出する区域検出手段と、この区域検出手段
の出力、信号により前記ランダムアクセスメモリへのビ
デ−オ信号の読込みを前記指定区域だけ行なわせる読込
み制御手段とを備えたＭＴＦ測定機におけるビデオ信号
読込み制御装置。In an MTF measuring machine that measures the light intensity distribution of a slit image by a lens to be measured with a solid-state image sensor, converts the video signal from the solid-state image sensor into a digital signal, reads it into a random access memory, and then performs Fourier transform. an area detection means for counting drive pulses of the solid-state image sensor to detect a designated area of the video signal; and an output signal of the area detection means for reading the video signal into the random access memory only in the specified area. A video signal reading control device in an MTF measuring machine, comprising a reading control means for controlling the reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15811982U JPS5962536U (en) | 1982-10-19 | 1982-10-19 | Video signal reading control device for MTF measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15811982U JPS5962536U (en) | 1982-10-19 | 1982-10-19 | Video signal reading control device for MTF measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5962536U true JPS5962536U (en) | 1984-04-24 |
Family
ID=30348420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15811982U Pending JPS5962536U (en) | 1982-10-19 | 1982-10-19 | Video signal reading control device for MTF measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5962536U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562518A (en) * | 1979-06-21 | 1981-01-12 | Ricoh Co Ltd | Signal processing method of mtf measuring instrument |
| JPS57115069A (en) * | 1981-01-08 | 1982-07-17 | Fuji Xerox Co Ltd | Manuscript reading equipment of facsimile |
-
1982
- 1982-10-19 JP JP15811982U patent/JPS5962536U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562518A (en) * | 1979-06-21 | 1981-01-12 | Ricoh Co Ltd | Signal processing method of mtf measuring instrument |
| JPS57115069A (en) * | 1981-01-08 | 1982-07-17 | Fuji Xerox Co Ltd | Manuscript reading equipment of facsimile |
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