GB1521100A - Distance detecting apparatus - Google Patents
Distance detecting apparatusInfo
- Publication number
- GB1521100A GB1521100A GB47729/75A GB4772975A GB1521100A GB 1521100 A GB1521100 A GB 1521100A GB 47729/75 A GB47729/75 A GB 47729/75A GB 4772975 A GB4772975 A GB 4772975A GB 1521100 A GB1521100 A GB 1521100A
- Authority
- GB
- United Kingdom
- Prior art keywords
- output
- automatic focusing
- equality
- detecting apparatus
- minima
- 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
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 |
---|---|
GB1521100A true GB1521100A (en) | 1978-08-09 |
Family
ID=24110469
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB47730/75A Expired GB1521268A (en) | 1974-12-04 | 1975-11-20 | Distance detecting apparatus |
GB47729/75A Expired GB1521100A (en) | 1974-12-04 | 1975-11-20 | Distance detecting apparatus |
GB47731/75A Expired GB1521269A (en) | 1974-12-04 | 1975-11-20 | Distance detecting apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB47730/75A Expired GB1521268A (en) | 1974-12-04 | 1975-11-20 | Distance detecting apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB47731/75A Expired GB1521269A (en) | 1974-12-04 | 1975-11-20 | Distance detecting apparatus |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5183524A (es) |
CA (1) | CA1044055A (es) |
DE (3) | DE2549704C2 (es) |
FR (3) | FR2293693A1 (es) |
GB (3) | GB1521268A (es) |
HK (3) | HK29879A (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2176963A (en) * | 1985-06-05 | 1987-01-07 | Plessey Co Plc | Locating power source for rail vehicle |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5642647Y2 (es) * | 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 (es) * | 1977-12-01 | 1979-06-19 | ||
DE2813913A1 (de) * | 1978-03-31 | 1979-10-18 | Siemens Ag | Anordnung zur messung der entfernung oder geschwindigkeit eines gegenstandes |
DE2813914A1 (de) * | 1978-03-31 | 1979-10-11 | Siemens Ag | Anordnung zur scharfeinstellung der abbildung eines gegenstandes auf eine bildebene |
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 |
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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 DE19752549760 patent/DE2549760A1/de not_active Withdrawn
- 1975-11-06 DE DE2549809A patent/DE2549809C2/de not_active Expired
- 1975-11-20 GB GB47730/75A patent/GB1521268A/en not_active Expired
- 1975-11-20 GB GB47729/75A patent/GB1521100A/en not_active Expired
- 1975-11-20 GB GB47731/75A patent/GB1521269A/en not_active Expired
- 1975-12-03 FR FR7537051A patent/FR2293693A1/fr active Granted
- 1975-12-03 FR FR7537052A patent/FR2293694A1/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 HK298/79A patent/HK29879A/xx unknown
- 1979-05-03 HK HK297/79A patent/HK29779A/xx unknown
- 1979-05-03 HK HK296/79A patent/HK29679A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2176963A (en) * | 1985-06-05 | 1987-01-07 | Plessey Co Plc | Locating power source for rail vehicle |
Also Published As
Publication number | Publication date |
---|---|
HK29879A (en) | 1979-05-11 |
DE2549809C2 (de) | 1984-07-26 |
FR2293693B1 (es) | 1980-07-04 |
HK29779A (en) | 1979-05-11 |
HK29679A (en) | 1979-05-11 |
FR2293692B1 (es) | 1980-08-14 |
JPS5183524A (es) | 1976-07-22 |
DE2549704C2 (de) | 1987-02-12 |
FR2293694B1 (es) | 1982-04-09 |
GB1521268A (en) | 1978-08-16 |
FR2293694A1 (fr) | 1976-07-02 |
FR2293692A1 (fr) | 1976-07-02 |
DE2549760A1 (de) | 1976-06-10 |
FR2293693A1 (fr) | 1976-07-02 |
CA1044055A (en) | 1978-12-12 |
DE2549704A1 (de) | 1976-06-10 |
GB1521269A (en) | 1978-08-16 |
DE2549809A1 (de) | 1976-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1521100A (en) | Distance detecting apparatus | |
JPS53110823A (en) | Optical information processor | |
JPS5385452A (en) | Range finder | |
JPS5295221A (en) | Detector for focusing | |
JPS57161839A (en) | Distance measuring device of camera | |
GB1368360A (en) | Optical scanning apparatus | |
JPS5243422A (en) | Finder for camera of large size picture | |
JPS5697325A (en) | Focus detecting method of camera | |
JPS5260619A (en) | Finder optical system | |
JPS55155331A (en) | Focus detector | |
JPS51149004A (en) | Optical apparatus | |
JPS5764713A (en) | Automatic focus controller | |
GB1470454A (en) | Range-finders | |
JPS52113750A (en) | Scanning optical system having beam detecting optics for information | |
JPS55110231A (en) | Automatic focus indicator of camera | |
GB1448424A (en) | Focus detecting apparatus | |
GB1450633A (en) | Exposure control system | |
JPS53105223A (en) | Optical system of distance detector for automatic focusing | |
JPS51146850A (en) | Optical detector | |
FR2256423A1 (en) | Light beam selector for projection screens - has mask transmitting light to series of parallel lenses | |
JPS5229216A (en) | Optical system for photographing plural small images on single sensiti ve plane | |
JPS5397826A (en) | Focal point detecting system | |
JPS5553304A (en) | Focus detector | |
JPS5332730A (en) | Camera with photo-electric focalization detector | |
JPS51121327A (en) | Automatic focusing device for camera |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19951119 |