CA1044055A - Signal processor for focus detecting apparatus - Google Patents
Signal processor for focus detecting apparatusInfo
- Publication number
- CA1044055A CA1044055A CA225,879A CA225879A CA1044055A CA 1044055 A CA1044055 A CA 1044055A CA 225879 A CA225879 A CA 225879A CA 1044055 A CA1044055 A CA 1044055A
- Authority
- CA
- Canada
- Prior art keywords
- arrays
- elements
- radiation
- signal
- output 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
Links
- 238000009826 distribution Methods 0.000 claims abstract description 69
- 230000003287 optical effect Effects 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims description 102
- 238000003491 array Methods 0.000 claims description 101
- 238000001514 detection method Methods 0.000 claims description 50
- 230000033001 locomotion Effects 0.000 claims description 31
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 210000001747 pupil Anatomy 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 7
- 230000000875 corresponding effect Effects 0.000 description 47
- 238000010586 diagram Methods 0.000 description 16
- 239000004020 conductor Substances 0.000 description 14
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 5
- 210000000887 face Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 229940020445 flector Drugs 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 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)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52957374A | 1974-12-04 | 1974-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1044055A true CA1044055A (en) | 1978-12-12 |
Family
ID=24110469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA225,879A Expired CA1044055A (en) | 1974-12-04 | 1975-04-30 | Signal processor for focus detecting apparatus |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5183524A (enrdf_load_stackoverflow) |
| CA (1) | CA1044055A (enrdf_load_stackoverflow) |
| DE (3) | DE2549704C2 (enrdf_load_stackoverflow) |
| FR (3) | FR2293694A1 (enrdf_load_stackoverflow) |
| GB (3) | GB1521100A (enrdf_load_stackoverflow) |
| HK (3) | HK29779A (enrdf_load_stackoverflow) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642647Y2 (enrdf_load_stackoverflow) * | 1976-07-05 | 1981-10-06 | ||
| JPS53110823A (en) * | 1977-03-10 | 1978-09-27 | Ricoh Co Ltd | Optical information processor |
| JPS6042450B2 (ja) * | 1977-11-18 | 1985-09-21 | 株式会社精工舎 | 焦点検出装置 |
| JPS5486426U (enrdf_load_stackoverflow) * | 1977-12-01 | 1979-06-19 | ||
| DE2813914A1 (de) * | 1978-03-31 | 1979-10-11 | Siemens Ag | Anordnung zur scharfeinstellung der abbildung eines gegenstandes auf eine bildebene |
| DE2813913A1 (de) * | 1978-03-31 | 1979-10-18 | Siemens Ag | Anordnung zur messung der entfernung oder geschwindigkeit eines gegenstandes |
| JPS5515154A (en) * | 1978-07-19 | 1980-02-02 | Fuji Photo Optical Co Ltd | Focus light device |
| DE2838647A1 (de) * | 1978-09-05 | 1980-04-10 | Siemens Ag | Verfahren zur automatischen oder halbautomatischen entfernungsmessung und scharfeinstellung der abbildung eines gegenstandes auf eine bildebene |
| JPS5545031A (en) * | 1978-09-27 | 1980-03-29 | Nippon Kogaku Kk <Nikon> | Focus state detector |
| JPS56132309A (en) * | 1980-03-21 | 1981-10-16 | Hoya Corp | Automatically focusable binoculars |
| JPS56143408A (en) * | 1980-04-11 | 1981-11-09 | Hoya Corp | Automatic focusable binoculars |
| JPS59101611A (ja) * | 1982-12-01 | 1984-06-12 | Chinon Kk | 合焦制御装置 |
| GB2176963A (en) * | 1985-06-05 | 1987-01-07 | Plessey Co Plc | Locating power source for rail vehicle |
| EP2635022A1 (en) * | 2012-02-29 | 2013-09-04 | Flir Systems AB | A method and system for performing alignment of a projection image to detected infrared (IR) radiation information |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1263325B (de) * | 1964-10-20 | 1968-03-14 | Leitz Ernst Gmbh | Elektrooptische Schaltungsanordnung fuer einen Basis-Entfernungsmesser |
| DE1253652B (de) * | 1967-02-28 | 1967-11-09 | Rwk Rhein Westfael Kalkwerke | Vorrichtung zur photometrischen Sortierung von Mineral- und Erzstuecken |
| DE2432067C2 (de) * | 1973-07-09 | 1987-01-15 | Honeywell Inc., Minneapolis, Minn. | Fokussiervorrichtung für optische Geräte |
| US3846629A (en) * | 1973-12-06 | 1974-11-05 | Honeywell Inc | Sensitivity balancing apparatus for photo responsive detecting circuits |
-
1975
- 1975-04-30 CA CA225,879A patent/CA1044055A/en not_active Expired
- 1975-11-06 DE DE2549704A patent/DE2549704C2/de not_active Expired
- 1975-11-06 DE DE2549809A patent/DE2549809C2/de not_active Expired
- 1975-11-06 DE DE19752549760 patent/DE2549760A1/de not_active Withdrawn
- 1975-11-20 GB GB47729/75A patent/GB1521100A/en not_active Expired
- 1975-11-20 GB GB47731/75A patent/GB1521269A/en not_active Expired
- 1975-11-20 GB GB47730/75A patent/GB1521268A/en not_active Expired
- 1975-12-03 FR FR7537052A patent/FR2293694A1/fr active Granted
- 1975-12-03 FR FR7537051A patent/FR2293693A1/fr active Granted
- 1975-12-03 FR FR7537050A patent/FR2293692A1/fr active Granted
- 1975-12-04 JP JP50143439A patent/JPS5183524A/ja active Pending
-
1979
- 1979-05-03 HK HK297/79A patent/HK29779A/xx unknown
- 1979-05-03 HK HK298/79A patent/HK29879A/xx unknown
- 1979-05-03 HK HK296/79A patent/HK29679A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK29679A (en) | 1979-05-11 |
| GB1521268A (en) | 1978-08-16 |
| GB1521100A (en) | 1978-08-09 |
| DE2549809C2 (de) | 1984-07-26 |
| DE2549704C2 (de) | 1987-02-12 |
| DE2549704A1 (de) | 1976-06-10 |
| JPS5183524A (enrdf_load_stackoverflow) | 1976-07-22 |
| HK29779A (en) | 1979-05-11 |
| HK29879A (en) | 1979-05-11 |
| FR2293694A1 (fr) | 1976-07-02 |
| FR2293692B1 (enrdf_load_stackoverflow) | 1980-08-14 |
| FR2293693A1 (fr) | 1976-07-02 |
| FR2293694B1 (enrdf_load_stackoverflow) | 1982-04-09 |
| DE2549760A1 (de) | 1976-06-10 |
| DE2549809A1 (de) | 1976-06-10 |
| FR2293692A1 (fr) | 1976-07-02 |
| GB1521269A (en) | 1978-08-16 |
| FR2293693B1 (enrdf_load_stackoverflow) | 1980-07-04 |
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