NL8201070A - Stelsel voor automatische focussering van een beeldopneemlens. - Google Patents
Stelsel voor automatische focussering van een beeldopneemlens. Download PDFInfo
- Publication number
- NL8201070A NL8201070A NL8201070A NL8201070A NL8201070A NL 8201070 A NL8201070 A NL 8201070A NL 8201070 A NL8201070 A NL 8201070A NL 8201070 A NL8201070 A NL 8201070A NL 8201070 A NL8201070 A NL 8201070A
- Authority
- NL
- Netherlands
- Prior art keywords
- lens
- light source
- light
- image recording
- camera
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 21
- 230000005855 radiation Effects 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000009795 derivation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- 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
- G02B7/282—Autofocusing of zoom lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
- Character Input (AREA)
- Accessories Of Cameras (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56038447A JPS57154206A (en) | 1981-03-17 | 1981-03-17 | Focusing device |
| JP3844781 | 1981-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8201070A true NL8201070A (nl) | 1982-10-18 |
Family
ID=12525538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8201070A NL8201070A (nl) | 1981-03-17 | 1982-03-15 | Stelsel voor automatische focussering van een beeldopneemlens. |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS57154206A (enrdf_load_stackoverflow) |
| KR (1) | KR890001454B1 (enrdf_load_stackoverflow) |
| AT (1) | AT376813B (enrdf_load_stackoverflow) |
| CA (1) | CA1173284A (enrdf_load_stackoverflow) |
| DE (1) | DE3209517A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2502354B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2095505A (enrdf_load_stackoverflow) |
| NL (1) | NL8201070A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3310601C2 (de) * | 1982-03-24 | 1994-02-10 | Canon Kk | Entfernungsmeßvorrichtung |
| JPS5995336U (ja) * | 1982-12-17 | 1984-06-28 | ソニー株式会社 | ビデオカメラ |
| JPS606114U (ja) * | 1983-06-24 | 1985-01-17 | キヤノン株式会社 | 焦点検出装置 |
| US4801963A (en) * | 1985-12-18 | 1989-01-31 | Canon Kabushiki Kaisha | Focus detecting system |
| US5305047A (en) * | 1988-10-11 | 1994-04-19 | Canon Kabushiki Kaisha | Pattern projector having a multi-portion projection lens and camera comprising the same |
| KR102093637B1 (ko) * | 2017-10-20 | 2020-03-27 | 전자부품연구원 | 라이다 장치 및 이를 포함하는 라이다 시스템 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759614A (en) * | 1971-02-10 | 1973-09-18 | Eastman Kodak Co | Dual photocell range finder apparatus |
| JPS51120725A (en) * | 1975-04-16 | 1976-10-22 | Sankyo Kogaku Kogyo Kk | Automatic forcusing camera |
| US4083056A (en) * | 1975-09-09 | 1978-04-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focus detecting device for single-lens reflex cameras |
| JPS5262022A (en) * | 1975-11-17 | 1977-05-23 | Bell & Howell Co | Closed loop automatic focusing system |
| FR2396325A1 (fr) * | 1977-07-01 | 1979-01-26 | Olympus Optical Co | Dispositif de mise au point automatique d'une image |
| JPS54155832A (en) * | 1978-05-30 | 1979-12-08 | Canon Inc | Focusing detector |
-
1981
- 1981-03-17 JP JP56038447A patent/JPS57154206A/ja active Granted
-
1982
- 1982-02-26 CA CA000397160A patent/CA1173284A/en not_active Expired
- 1982-03-09 KR KR8201605A patent/KR890001454B1/ko not_active Expired
- 1982-03-10 FR FR8204034A patent/FR2502354B1/fr not_active Expired
- 1982-03-15 AT AT0102382A patent/AT376813B/de not_active IP Right Cessation
- 1982-03-15 NL NL8201070A patent/NL8201070A/nl not_active Application Discontinuation
- 1982-03-16 GB GB8207558A patent/GB2095505A/en not_active Withdrawn
- 1982-03-16 DE DE19823209517 patent/DE3209517A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AT376813B (de) | 1985-01-10 |
| JPS57154206A (en) | 1982-09-24 |
| JPH0526176B2 (enrdf_load_stackoverflow) | 1993-04-15 |
| KR890001454B1 (ko) | 1989-05-03 |
| FR2502354B1 (fr) | 1985-06-21 |
| KR830009501A (ko) | 1983-12-21 |
| DE3209517A1 (de) | 1982-10-14 |
| ATA102382A (de) | 1984-05-15 |
| GB2095505A (en) | 1982-09-29 |
| CA1173284A (en) | 1984-08-28 |
| FR2502354A1 (fr) | 1982-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |