DE3736883C2 - - Google Patents
Info
- Publication number
- DE3736883C2 DE3736883C2 DE3736883A DE3736883A DE3736883C2 DE 3736883 C2 DE3736883 C2 DE 3736883C2 DE 3736883 A DE3736883 A DE 3736883A DE 3736883 A DE3736883 A DE 3736883A DE 3736883 C2 DE3736883 C2 DE 3736883C2
- Authority
- DE
- Germany
- Prior art keywords
- optical system
- distance
- sensor arrangement
- image
- signal
- 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
- 230000003287 optical effect Effects 0.000 claims description 92
- 238000009826 distribution Methods 0.000 claims description 28
- 238000003384 imaging method Methods 0.000 claims description 13
- 230000004069 differentiation Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 22
- 238000012545 processing Methods 0.000 description 22
- 230000008859 change Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 238000001514 detection method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004304 visual acuity Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Measurement Of Optical Distance (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25857986A JPH0799332B2 (ja) | 1986-10-31 | 1986-10-31 | 輻輳合せ機構 |
| JP61258580A JPH0827185B2 (ja) | 1986-10-31 | 1986-10-31 | 距離分布測定方法 |
| JP61287778A JPH0827186B2 (ja) | 1986-12-04 | 1986-12-04 | 距離分布測定方法及びこれに用いる輻輳合せ機構 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3736883A1 DE3736883A1 (de) | 1988-05-11 |
| DE3736883C2 true DE3736883C2 (https=) | 1992-03-12 |
Family
ID=27334737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873736883 Granted DE3736883A1 (de) | 1986-10-31 | 1987-10-30 | Verfahren zum messen von entfernungsverteilungen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4989827A (https=) |
| DE (1) | DE3736883A1 (https=) |
| FR (1) | FR2606139B1 (https=) |
| GB (1) | GB2197765B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9117443D0 (en) * | 1991-08-13 | 1992-05-27 | British Aerospace | Optical apparatus |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298259A (en) * | 1979-08-27 | 1981-11-03 | Asaki Kogaku Kogyo Kabushiki Kaisha | Focus detecting device for photographic camera |
| US4254330A (en) * | 1979-09-13 | 1981-03-03 | Honeywell Inc. | Low frequency enhancement range finding equipment |
| US4414575A (en) * | 1980-11-21 | 1983-11-08 | Hitachi Denshi Kabushiki Kaisha | Autofocus system |
| JPS5793208A (en) * | 1980-12-01 | 1982-06-10 | Nippon Kogaku Kk <Nikon> | Optical system of distance measuring apparatus |
| JPS584109A (ja) * | 1981-06-30 | 1983-01-11 | Canon Inc | プレ検出装置 |
| GB2104334B (en) * | 1981-08-17 | 1986-06-18 | Nat Res Corp | Automatic focusing device |
| JPS5888212A (ja) * | 1981-11-18 | 1983-05-26 | トヨタ自動車株式会社 | 軸部品への嵌合部品の固定方法 |
| JPS5915208A (ja) * | 1982-06-17 | 1984-01-26 | Olympus Optical Co Ltd | 合焦検出装置 |
| US4484225A (en) * | 1982-07-22 | 1984-11-20 | Beltronics, Inc. | Electronic focusing method and apparatus for television pick-up cameras and the like |
| US4589770A (en) * | 1982-10-25 | 1986-05-20 | The Boeing Company | Electro-optical ranging apparatus having scanning circuitry and servoloop processor for resolving separation of images on photoelectric detector arrays |
| GB2152780B (en) * | 1983-11-15 | 1987-06-03 | Gec Avionics | Distance measurement |
| US4601053A (en) * | 1983-11-21 | 1986-07-15 | Grumman Aerospace Corporation | Automatic TV ranging system |
| JPS6188212A (ja) * | 1984-10-05 | 1986-05-06 | Canon Inc | 物体情報処理装置 |
| JPS61112915A (ja) * | 1984-11-08 | 1986-05-30 | Canon Inc | 距離測定方法 |
| JPS61116611A (ja) * | 1984-11-12 | 1986-06-04 | Canon Inc | 距離測定方法 |
| JPS61182516A (ja) * | 1985-02-09 | 1986-08-15 | Canon Inc | 距離測定方法 |
| JPH0727107B2 (ja) * | 1985-07-26 | 1995-03-29 | ミノルタ株式会社 | 相関像比較装置及びそれを用いた焦点検出装置及び測距装置 |
-
1987
- 1987-10-30 DE DE19873736883 patent/DE3736883A1/de active Granted
- 1987-10-30 FR FR8715068A patent/FR2606139B1/fr not_active Expired - Fee Related
- 1987-10-30 GB GB8725485A patent/GB2197765B/en not_active Expired - Lifetime
-
1990
- 1990-06-20 US US07/540,309 patent/US4989827A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2606139A1 (fr) | 1988-05-06 |
| GB2197765B (en) | 1991-06-26 |
| GB2197765A (en) | 1988-05-25 |
| DE3736883A1 (de) | 1988-05-11 |
| FR2606139B1 (fr) | 1994-05-13 |
| GB8725485D0 (en) | 1987-12-02 |
| US4989827A (en) | 1991-02-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8128 | New person/name/address of the agent |
Representative=s name: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM. |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |