JPS6332370B2 - - Google Patents
Info
- Publication number
- JPS6332370B2 JPS6332370B2 JP56047613A JP4761381A JPS6332370B2 JP S6332370 B2 JPS6332370 B2 JP S6332370B2 JP 56047613 A JP56047613 A JP 56047613A JP 4761381 A JP4761381 A JP 4761381A JP S6332370 B2 JPS6332370 B2 JP S6332370B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- image
- output
- time
- 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
Links
- 238000009825 accumulation Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000010354 integration Effects 0.000 description 23
- 238000003384 imaging method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000011514 reflex Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 206010065929 Cardiovascular insufficiency Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000002834 transmittance Methods 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56047613A JPS57161838A (en) | 1981-03-31 | 1981-03-31 | Focus detector of camera |
| US06/358,537 US4411505A (en) | 1981-03-31 | 1982-03-16 | Camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56047613A JPS57161838A (en) | 1981-03-31 | 1981-03-31 | Focus detector of camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57161838A JPS57161838A (en) | 1982-10-05 |
| JPS6332370B2 true JPS6332370B2 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1988-06-29 |
Family
ID=12780069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56047613A Granted JPS57161838A (en) | 1981-03-31 | 1981-03-31 | Focus detector of camera |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4411505A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
| JP (1) | JPS57161838A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63138583A (ja) * | 1986-11-29 | 1988-06-10 | Toshiba Corp | 磁気記録装置 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3141182A1 (de) * | 1980-10-16 | 1982-05-19 | Canon K.K., Tokyo | "scharfeinstellungs-ermittlungssystem" |
| JPS5817786A (ja) * | 1981-07-23 | 1983-02-02 | Canon Inc | 撮像装置 |
| JPS5966235U (ja) * | 1982-10-26 | 1984-05-02 | 京セラ株式会社 | リモ−トコントロ−ル可能な自動焦点調節カメラ |
| US4616264A (en) * | 1984-08-28 | 1986-10-07 | Vicon Industries, Inc. | Auto focus system |
| JPS61105978A (ja) * | 1984-10-30 | 1986-05-24 | Sanyo Electric Co Ltd | オ−トフオ−カス回路 |
| JP2563370B2 (ja) * | 1986-12-27 | 1996-12-11 | オリンパス光学工業株式会社 | 焦点検出用光電変換装置 |
| US4887125A (en) * | 1987-03-05 | 1989-12-12 | Fuji Photo Film Co., Ltd. | Method of and device for detecting focusing condition of image incident upon image sensor |
| JP2512007B2 (ja) * | 1987-09-18 | 1996-07-03 | キヤノン株式会社 | 自動焦点自動露出カメラ |
| US5053799A (en) * | 1990-07-10 | 1991-10-01 | Canon Kabushiki Kaisha | Camera having auto-focusing device |
| JP3093781B2 (ja) * | 1990-11-09 | 2000-10-03 | オリンパス光学工業株式会社 | 合焦位置検出装置 |
| US5541706A (en) * | 1992-10-22 | 1996-07-30 | Nikon Corporation | Exposure calculation device for a camera |
| JP3590806B2 (ja) * | 1994-09-07 | 2004-11-17 | 株式会社ニコン | イメージセンサーシステムおよび自動焦点検出装置 |
| JPH0875994A (ja) * | 1994-09-07 | 1996-03-22 | Nikon Corp | 焦点検出装置 |
| US7345706B2 (en) | 2002-08-23 | 2008-03-18 | Fuji Photo Optical Co., Ltd. | Auto focus system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155308A (en) * | 1979-05-23 | 1980-12-03 | Canon Inc | Focusing position detecting system |
-
1981
- 1981-03-31 JP JP56047613A patent/JPS57161838A/ja active Granted
-
1982
- 1982-03-16 US US06/358,537 patent/US4411505A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63138583A (ja) * | 1986-11-29 | 1988-06-10 | Toshiba Corp | 磁気記録装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4411505A (en) | 1983-10-25 |
| JPS57161838A (en) | 1982-10-05 |