GB1591338A - Camera focusing - Google Patents
Camera focusing Download PDFInfo
- Publication number
- GB1591338A GB1591338A GB3997977A GB3997977A GB1591338A GB 1591338 A GB1591338 A GB 1591338A GB 3997977 A GB3997977 A GB 3997977A GB 3997977 A GB3997977 A GB 3997977A GB 1591338 A GB1591338 A GB 1591338A
- Authority
- GB
- United Kingdom
- Prior art keywords
- camera
- lens mount
- accordance
- range
- lens
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 28
- 230000004044 response Effects 0.000 claims description 20
- 238000012886 linear function Methods 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 230000001902 propagating effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 37
- 238000010586 diagram Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009877 rendering 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
- G02B7/40—Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
- Shutters For Cameras (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72928976A | 1976-10-04 | 1976-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1591338A true GB1591338A (en) | 1981-06-17 |
Family
ID=24930378
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3997977A Expired GB1591338A (en) | 1976-10-04 | 1977-09-26 | Camera focusing |
| GB604180A Expired GB1591340A (en) | 1976-10-04 | 1977-09-26 | Automatic focusing of a photographic camera |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB604180A Expired GB1591340A (en) | 1976-10-04 | 1977-09-26 | Automatic focusing of a photographic camera |
Country Status (9)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5359419A (en) * | 1976-11-10 | 1978-05-29 | Mamiya Camera | Automatic focusing device for camera |
| GB2013353B (en) * | 1977-12-30 | 1982-05-19 | Polaroid Corp | Focus control system for variable focus lenses |
| US4149792A (en) * | 1977-12-30 | 1979-04-17 | Polaroid Corporation | Misfocus prevention means for cameras having unidirectional automatic focusing |
| DE2801251A1 (de) * | 1978-01-12 | 1979-07-19 | Agfa Gevaert Ag | Vorrichtung zur scharfeinstellung des objektivs einer fotografischen oder kinematografischen kamera |
| US4182563A (en) * | 1978-04-20 | 1980-01-08 | Polaroid Corporation | Focus control system for interchangeable adjustable focus lenses |
| FR2424559A1 (fr) * | 1978-04-25 | 1979-11-23 | Polaroid Corp | Dispositif de selection de modes de commande de mise au point, manuel ou automatique |
| GB2020051B (en) * | 1978-04-25 | 1982-06-30 | Polaroid Corp | Cameras with rangefinders |
| US4167316A (en) * | 1978-06-26 | 1979-09-11 | Polaroid Corporation | Sonar controlled lens focus apparatus |
| US4178087A (en) * | 1978-10-02 | 1979-12-11 | Polaroid Corporation | Autofocus movie camera having focus correction means |
| US4239354A (en) * | 1979-01-02 | 1980-12-16 | Polaroid Corporation | Autofocus movie camera having improved focus response |
| US4238143A (en) * | 1979-01-02 | 1980-12-09 | Polaroid Corporation | Autofocus movie camera having pulsed terminal drive means |
| JPS55115023A (en) * | 1979-02-28 | 1980-09-04 | Canon Inc | Distance detector and focus control system utilizing this |
| JPS5642472A (en) * | 1979-09-13 | 1981-04-20 | Matsushita Electric Ind Co Ltd | Automatic focusing unit of television camera |
| US4307952A (en) * | 1980-06-03 | 1981-12-29 | Polaroid Corporation | Auto focus camera with electronic lens disc pawl release arrangement |
| US5099263A (en) * | 1984-11-10 | 1992-03-24 | Minolta Camera Kabushiki Kaisha | Variable focal length camera |
| JPS63183267A (ja) * | 1987-01-21 | 1988-07-28 | Mazda Motor Corp | 渦流室式デイ−ゼルエンジン |
| US5130216A (en) * | 1988-09-22 | 1992-07-14 | Canon Kabushiki Kaisha | Photosensitive member for electrophotography |
| JP2567086B2 (ja) * | 1989-03-15 | 1996-12-25 | キヤノン株式会社 | 電子写真感光体 |
| US5419993A (en) * | 1991-11-01 | 1995-05-30 | Canon Kabushiki Kaisha | Polyamide, electrophotographic photosensitive member employing the polyamide, and electrophotographic apparatus, device unit and facsimile machine employing the member |
| JPH0654490A (ja) * | 1992-07-17 | 1994-02-25 | Namiki Precision Jewel Co Ltd | スロットレス電機子の巻線方法 |
| EP1039349B1 (en) * | 1999-03-19 | 2004-06-02 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus |
| WO2009026471A1 (en) | 2007-08-21 | 2009-02-26 | Zeltiq Aesthetics, Inc. | Monitoring the cooling of subcutaneous lipid-rich cells, such as the cooling of adipose tissue |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945023A (en) * | 1974-03-29 | 1976-03-16 | Honeywell Inc. | Auto-focus camera with solid state range finder |
-
1977
- 1977-07-06 CA CA282,155A patent/CA1099554A/en not_active Expired
- 1977-07-29 JP JP9133577A patent/JPS5348523A/ja active Granted
- 1977-08-26 AU AU28286/77A patent/AU511120B2/en not_active Expired
- 1977-09-21 FR FR7728415A patent/FR2366593A1/fr active Granted
- 1977-09-26 GB GB3997977A patent/GB1591338A/en not_active Expired
- 1977-09-26 GB GB604180A patent/GB1591340A/en not_active Expired
- 1977-09-27 IT IT2794877A patent/IT1110180B/it active
- 1977-09-29 CH CH1194077A patent/CH627285A5/de not_active IP Right Cessation
- 1977-09-30 DE DE19772744093 patent/DE2744093C3/de not_active Expired
- 1977-10-04 AT AT706377A patent/AT368638B/de not_active IP Right Cessation
-
1980
- 1980-08-21 CH CH632680A patent/CH646798A5/de not_active IP Right Cessation
-
1982
- 1982-12-21 JP JP22482582A patent/JPS58193528A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2744093C3 (de) | 1980-06-26 |
| IT1110180B (it) | 1985-12-23 |
| AT368638B (de) | 1982-10-25 |
| JPS58193528A (ja) | 1983-11-11 |
| CH646798A5 (en) | 1984-12-14 |
| JPS6155099B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-11-26 |
| FR2366593B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-12-03 |
| ATA706377A (de) | 1982-02-15 |
| JPS6261933B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-12-24 |
| CH627285A5 (en) | 1981-12-31 |
| AU2828677A (en) | 1979-03-01 |
| FR2366593A1 (fr) | 1978-04-28 |
| GB1591340A (en) | 1981-06-17 |
| JPS5348523A (en) | 1978-05-02 |
| DE2744093B2 (de) | 1979-10-04 |
| CA1099554A (en) | 1981-04-21 |
| AU511120B2 (en) | 1980-07-31 |
| DE2744093A1 (de) | 1978-04-06 |
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| US4199244A (en) | Automatic focusing camera | |
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| US4200378A (en) | Automatic focusing camera with lens jam sensor control | |
| US4167316A (en) | Sonar controlled lens focus apparatus | |
| US4239354A (en) | Autofocus movie camera having improved focus response | |
| US4360258A (en) | Lens shutter mechanism for camera | |
| JPS6114498B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
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| USRE31219E (en) | Automatic focusing camera | |
| US4238143A (en) | Autofocus movie camera having pulsed terminal drive means | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920926 |