JPH0517484B2 - - Google Patents
Info
- Publication number
- JPH0517484B2 JPH0517484B2 JP6865083A JP6865083A JPH0517484B2 JP H0517484 B2 JPH0517484 B2 JP H0517484B2 JP 6865083 A JP6865083 A JP 6865083A JP 6865083 A JP6865083 A JP 6865083A JP H0517484 B2 JPH0517484 B2 JP H0517484B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- distance
- receiving means
- distance measurement
- optical axis
- 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.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 38
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Optical Distance (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6865083A JPS59193307A (ja) | 1983-04-18 | 1983-04-18 | 焦点調節装置 |
US06/601,054 US4575211A (en) | 1983-04-18 | 1984-04-16 | Distance measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6865083A JPS59193307A (ja) | 1983-04-18 | 1983-04-18 | 焦点調節装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59193307A JPS59193307A (ja) | 1984-11-01 |
JPH0517484B2 true JPH0517484B2 (de) | 1993-03-09 |
Family
ID=13379784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6865083A Granted JPS59193307A (ja) | 1983-04-18 | 1983-04-18 | 焦点調節装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59193307A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4800409A (en) * | 1986-04-28 | 1989-01-24 | Minolta Camera Kabushiki Kaisha | Control device for use in a camera having an objective lens |
JP2620235B2 (ja) * | 1987-04-24 | 1997-06-11 | キヤノン株式会社 | 信号形成装置 |
JP4541479B2 (ja) | 2000-01-31 | 2010-09-08 | キヤノン株式会社 | 測距装置及びカメラ |
-
1983
- 1983-04-18 JP JP6865083A patent/JPS59193307A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59193307A (ja) | 1984-11-01 |
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