JPS5552033A - Focusing device - Google Patents
Focusing deviceInfo
- Publication number
- JPS5552033A JPS5552033A JP12875879A JP12875879A JPS5552033A JP S5552033 A JPS5552033 A JP S5552033A JP 12875879 A JP12875879 A JP 12875879A JP 12875879 A JP12875879 A JP 12875879A JP S5552033 A JPS5552033 A JP S5552033A
- Authority
- JP
- Japan
- Prior art keywords
- images
- photoelectric
- shift registers
- photoelectrically converted
- received
- 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
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Abstract
PURPOSE: To accurately perform the relative position detection of the images by providing a signal time series means to supply time-serially the photoelectrically converted signals of photoelectric transducers to circuit means and alternately receiving the images by different paths in the photoelectric transducer means by switching means.
CONSTITUTION: The images of the object formed by the objective lenses 1, 2 disposed by leaving a suitable reference line distance are received in the photoelectric element groups 5, 6 having a plurality of photoelectric transducers, from which the electric signals corresponding to the respective illumination distributions are supplied to a curcuit means 9. These photoelectrically converted signals changeover the respective photoelectric elements by the operation of shift registers by making use of the electrical means which operate in response to electronic pulses like shift registers so that the images of the different routes are alternately received. By so adjusting the optical system that the relative positions of the images assume the specified relation, the focusing for the object is accomplished.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12875879A JPS5552033A (en) | 1979-10-05 | 1979-10-05 | Focusing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12875879A JPS5552033A (en) | 1979-10-05 | 1979-10-05 | Focusing device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48003922A Division JPS5928884B2 (en) | 1972-12-27 | 1972-12-27 | Distance detection method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5552033A true JPS5552033A (en) | 1980-04-16 |
JPS5627855B2 JPS5627855B2 (en) | 1981-06-27 |
Family
ID=14992729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12875879A Granted JPS5552033A (en) | 1979-10-05 | 1979-10-05 | Focusing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5552033A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529528A (en) * | 1966-12-06 | 1970-09-22 | Leitz Ernst Gmbh | Photoelectric precision camera range finder with optical verification |
JPS473594U (en) * | 1971-01-30 | 1972-09-05 |
-
1979
- 1979-10-05 JP JP12875879A patent/JPS5552033A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529528A (en) * | 1966-12-06 | 1970-09-22 | Leitz Ernst Gmbh | Photoelectric precision camera range finder with optical verification |
JPS473594U (en) * | 1971-01-30 | 1972-09-05 |
Also Published As
Publication number | Publication date |
---|---|
JPS5627855B2 (en) | 1981-06-27 |
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