JPS5422826A - Automatic focus locating system - Google Patents
Automatic focus locating systemInfo
- Publication number
- JPS5422826A JPS5422826A JP8780377A JP8780377A JPS5422826A JP S5422826 A JPS5422826 A JP S5422826A JP 8780377 A JP8780377 A JP 8780377A JP 8780377 A JP8780377 A JP 8780377A JP S5422826 A JPS5422826 A JP S5422826A
- Authority
- JP
- Japan
- Prior art keywords
- automatic focus
- locating system
- focus locating
- signals
- focus
- 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.)
- Granted
Links
Landscapes
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Abstract
PURPOSE: To easily detect the conditions in and out of focus of a photographic lens by making use of the phase difference signals between the signals from a plurality of optical detectors and some of those signals having passed through a delay circuit.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8780377A JPS6052405B2 (en) | 1977-07-21 | 1977-07-21 | Automatic focus detection method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8780377A JPS6052405B2 (en) | 1977-07-21 | 1977-07-21 | Automatic focus detection method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5422826A true JPS5422826A (en) | 1979-02-21 |
JPS6052405B2 JPS6052405B2 (en) | 1985-11-19 |
Family
ID=13925131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8780377A Expired JPS6052405B2 (en) | 1977-07-21 | 1977-07-21 | Automatic focus detection method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6052405B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009180778A (en) * | 2008-01-29 | 2009-08-13 | Canon Inc | Focal point detecting device and imaging device |
-
1977
- 1977-07-21 JP JP8780377A patent/JPS6052405B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009180778A (en) * | 2008-01-29 | 2009-08-13 | Canon Inc | Focal point detecting device and imaging device |
Also Published As
Publication number | Publication date |
---|---|
JPS6052405B2 (en) | 1985-11-19 |
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