DE3107075C2 - - Google Patents
Info
- Publication number
- DE3107075C2 DE3107075C2 DE3107075A DE3107075A DE3107075C2 DE 3107075 C2 DE3107075 C2 DE 3107075C2 DE 3107075 A DE3107075 A DE 3107075A DE 3107075 A DE3107075 A DE 3107075A DE 3107075 C2 DE3107075 C2 DE 3107075C2
- Authority
- DE
- Germany
- 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
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/34—Means for automatic focusing therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Automatic Focus Adjustment (AREA)
- Projection Apparatus (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55021590A JPS6029099B2 (ja) | 1980-02-25 | 1980-02-25 | 投影装置の常焦点投影倍率変更方法及びその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3107075A1 DE3107075A1 (de) | 1982-01-28 |
DE3107075C2 true DE3107075C2 (US20040232935A1-20041125-M00002.png) | 1987-05-07 |
Family
ID=12059246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813107075 Granted DE3107075A1 (de) | 1980-02-25 | 1981-02-25 | Verfahren und vorrichtung zur automatischen scharfeinstellung bei einem projektionssystem mit kontinuierlich veraenderbarem abbildungsmassstab |
Country Status (5)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3903263A1 (de) * | 1988-02-05 | 1989-08-17 | Fuji Photo Film Co Ltd | Verfahren zum fokussieren bei einem fotografischen vergroesserungsgeraet |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2119530B (en) * | 1982-04-28 | 1985-10-30 | Xerox Corp | Variable magnification photocopying |
US4505581A (en) * | 1982-04-28 | 1985-03-19 | Xerox Corporation | Registration system for a photocopier |
JPS5950433A (ja) * | 1982-09-16 | 1984-03-23 | Minolta Camera Co Ltd | 引伸機の自動焦点調節装置 |
CH662662A5 (de) * | 1983-08-25 | 1987-10-15 | Philippe Vogt | Fachkamera. |
JPH0610720B2 (ja) * | 1983-10-12 | 1994-02-09 | 大日本スクリーン製造株式会社 | 写真撮影装置及び露光条件測定方法 |
CH666756A5 (de) * | 1983-10-13 | 1988-08-15 | Sinar Ag Schaffhausen | Einrichtung fuer eine photographische kamera mit in bezug aufeinander verstellbaren objektiv- und bildtraegern. |
DE3339960A1 (de) * | 1983-11-04 | 1985-05-15 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches kopiergeraet |
JPH0658500B2 (ja) * | 1984-09-05 | 1994-08-03 | シャープ株式会社 | レンズ停止位置制御方法 |
CH665035A5 (de) * | 1984-10-10 | 1988-04-15 | Philippe Vogt | Grossbildkamera. |
US5752095A (en) * | 1985-05-14 | 1998-05-12 | Canon Kabushiki Kaisha | Magnification change-over device for camera |
DE3537857A1 (de) * | 1985-10-24 | 1987-05-07 | Hell Rudolf Dr Ing Gmbh | Optoelektronischer abtastkopf |
IT1201628B (it) * | 1986-08-29 | 1989-02-02 | Durst Phototechnik Srl | Procedimento e dispositivo per la messa a fuoco automatica in un ingranditore o riproduttore fotografico ad ingrandimento variabile |
JPH07122690B2 (ja) * | 1987-04-01 | 1995-12-25 | 株式会社エルモ社 | 接写装置 |
JP2525844B2 (ja) * | 1988-01-27 | 1996-08-21 | 富士写真フイルム株式会社 | 写真引伸機のフオ―カス位置補正方法 |
JPH0766149B2 (ja) * | 1988-02-05 | 1995-07-19 | 富士写真フイルム株式会社 | プリンタのオートフオーカス機構 |
US5091745A (en) * | 1990-11-27 | 1992-02-25 | A.B. Dick Company | Full range platemaker optical system |
JPH07104388A (ja) * | 1993-09-24 | 1995-04-21 | Samsung Aerospace Ind Ltd | プリンター |
US5631776A (en) * | 1995-12-21 | 1997-05-20 | Eastman Kodak Company | Zoom lens apparatus and bearing block assembly |
DE19823906C2 (de) | 1998-05-28 | 2001-06-28 | Gretag Imaging Ag | Filmmaterial-Leitanlage |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE702308C (de) * | 1938-06-12 | 1941-02-04 | Drukkerij De Spaarnestad Haarl | Photographisches Vergroesserungsgeraet mit zwanglaeufiger Scharfeinstellung |
US2655834A (en) * | 1952-08-27 | 1953-10-20 | John T Pennington | Reflecting projector with automatic focus mechanism |
FR1150514A (fr) * | 1956-05-09 | 1958-01-15 | Bouzard & Fils | Perfectionnements aux appareils de reproduction pour la photographie et applicationsanalogues |
GB1207122A (en) * | 1966-09-29 | 1970-09-30 | Sidney R Littlejohn Company Lt | Photocopying apparatus |
DE2136163A1 (de) * | 1970-07-21 | 1972-02-10 | Sidney R Littlejohn & Co Ltd , London | Vorrichtung zur Steuerung der Positionierung eines Objektes und einer Linsenanordnung in einem Kamerasystem |
DE2225416A1 (de) * | 1972-05-25 | 1973-12-06 | Boeger Duplomat Apparate Kg Dr | Verfahren zur einstellung einer reprokamera |
NL7408750A (nl) * | 1974-06-28 | 1975-12-30 | Oce Van Der Grinten Nv | Reproduktiecamera. |
FR2320571A1 (fr) * | 1975-08-07 | 1977-03-04 | Controle Automation | Perfectionnements apportes aux appareils de reproduction photographique a rapport image/objet reglable |
JPS5397418A (en) * | 1977-02-07 | 1978-08-25 | Dainippon Screen Mfg | Method of copying machine camera*s automatic focusing and its equipment |
DE2751872C2 (de) * | 1977-11-21 | 1982-01-14 | Dr. Böger Duplomat Apparate KG (GmbH & Co), 2000 Wedel | Reprokamera |
DE2842479C2 (de) * | 1978-09-29 | 1982-05-27 | Meteor-Siegen Apparatebau Paul Schmeck Gmbh, 5900 Siegen | Reprografische Kamera |
-
1980
- 1980-02-25 JP JP55021590A patent/JPS6029099B2/ja not_active Expired
-
1981
- 1981-02-02 GB GB8103158A patent/GB2070263B/en not_active Expired
- 1981-02-25 DE DE19813107075 patent/DE3107075A1/de active Granted
- 1981-02-25 FR FR8103897A patent/FR2476864A1/fr active Granted
-
1982
- 1982-12-30 US US06/454,583 patent/US4488804A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3903263A1 (de) * | 1988-02-05 | 1989-08-17 | Fuji Photo Film Co Ltd | Verfahren zum fokussieren bei einem fotografischen vergroesserungsgeraet |
Also Published As
Publication number | Publication date |
---|---|
JPS56119124A (en) | 1981-09-18 |
DE3107075A1 (de) | 1982-01-28 |
GB2070263A (en) | 1981-09-03 |
FR2476864B1 (US20040232935A1-20041125-M00002.png) | 1984-03-09 |
FR2476864A1 (fr) | 1981-08-28 |
GB2070263B (en) | 1983-08-17 |
JPS6029099B2 (ja) | 1985-07-09 |
US4488804A (en) | 1984-12-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: G03B 27/34 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |