JPS52110034A - Detecting element unit for distinctness of object image - Google Patents
Detecting element unit for distinctness of object imageInfo
- Publication number
- JPS52110034A JPS52110034A JP2758176A JP2758176A JPS52110034A JP S52110034 A JPS52110034 A JP S52110034A JP 2758176 A JP2758176 A JP 2758176A JP 2758176 A JP2758176 A JP 2758176A JP S52110034 A JPS52110034 A JP S52110034A
- Authority
- JP
- Japan
- Prior art keywords
- detecting element
- distinctness
- object image
- element unit
- image
- 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
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Abstract
PURPOSE: To obtain purely only a signal output of image distinctness by rendering the photo-electroconversion characteristics of detecting element for the image distinctness and detecting element for the object brightness to be approximate in a simple and high accurate manner, and by subtracting an output for detecting the object brightness from a noise output due to the object brightness by the detecting element for image brightness.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2758176A JPS52110034A (en) | 1976-03-12 | 1976-03-12 | Detecting element unit for distinctness of object image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2758176A JPS52110034A (en) | 1976-03-12 | 1976-03-12 | Detecting element unit for distinctness of object image |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52110034A true JPS52110034A (en) | 1977-09-14 |
Family
ID=12224925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2758176A Pending JPS52110034A (en) | 1976-03-12 | 1976-03-12 | Detecting element unit for distinctness of object image |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52110034A (en) |
-
1976
- 1976-03-12 JP JP2758176A patent/JPS52110034A/en active Pending
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