FR1566063A - - Google Patents
Info
- Publication number
- FR1566063A FR1566063A FR1566063DA FR1566063A FR 1566063 A FR1566063 A FR 1566063A FR 1566063D A FR1566063D A FR 1566063DA FR 1566063 A FR1566063 A FR 1566063A
- Authority
- FR
- France
- 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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
- G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Controlling Sheets Or Webs (AREA)
- Projection-Type Copiers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64153267A | 1967-05-26 | 1967-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1566063A true FR1566063A (fr) | 1969-05-02 |
Family
ID=24572783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1566063D Expired FR1566063A (fr) | 1967-05-26 | 1968-05-24 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3502409A (fr) |
AT (1) | AT289542B (fr) |
CH (1) | CH493002A (fr) |
DE (1) | DE1772472B1 (fr) |
FR (1) | FR1566063A (fr) |
GB (1) | GB1218838A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818216A (en) * | 1973-03-14 | 1974-06-18 | P Larraburu | Manually operated lamphouse |
US3901592A (en) * | 1973-10-15 | 1975-08-26 | Minnesota Mining & Mfg | Color printing apparatus |
US4017178A (en) * | 1975-03-14 | 1977-04-12 | Psc Technology, Inc. | Apparatus for detecting a malfunction in a color connecting light valve of a film printer |
US4005934A (en) * | 1975-03-14 | 1977-02-01 | Psc Technology Inc. | Apparatus for executing light control operations in a bidirectional film printer |
US4045136A (en) * | 1975-08-15 | 1977-08-30 | Bell & Howell Company | Control system for photographic film printers |
US4488807A (en) * | 1982-07-23 | 1984-12-18 | Bell & Howell Company | Light valve/fader and control circuit |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1572798A (en) * | 1923-09-01 | 1926-02-09 | Erbograph Company | Light-control attachment for film-printing machines |
US3107578A (en) * | 1959-12-05 | 1963-10-22 | Agfa Ag | Filter-operating arrangement for a photographic printing apparatus |
-
1967
- 1967-05-26 US US641532A patent/US3502409A/en not_active Expired - Lifetime
-
1968
- 1968-05-21 DE DE19681772472 patent/DE1772472B1/de active Pending
- 1968-05-21 AT AT488068A patent/AT289542B/de not_active IP Right Cessation
- 1968-05-24 FR FR1566063D patent/FR1566063A/fr not_active Expired
- 1968-05-25 CH CH791568A patent/CH493002A/fr not_active IP Right Cessation
- 1968-05-27 GB GB25179/68A patent/GB1218838A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT289542B (de) | 1971-04-26 |
DE1772472B1 (de) | 1970-09-24 |
US3502409A (en) | 1970-03-24 |
CH493002A (fr) | 1970-06-30 |
GB1218838A (en) | 1971-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |