SE325199B - - Google Patents
Info
- Publication number
- SE325199B SE325199B SE1319965A SE1319965A SE325199B SE 325199 B SE325199 B SE 325199B SE 1319965 A SE1319965 A SE 1319965A SE 1319965 A SE1319965 A SE 1319965A SE 325199 B SE325199 B SE 325199B
- Authority
- SE
- Sweden
- Prior art keywords
- film
- roller
- loop
- spool
- switch
- Prior art date
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
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
- G03B42/021—Apparatus for direct X-ray cinematography
- G03B42/023—Apparatus for indirect X-ray cinematography, i.e. by taking pictures on ordinary film from the images on the fluorescent screen
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/14—Special procedures for taking photographs; Apparatus therefor for taking photographs during medical operations
-
- 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
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/04—Roll-film cameras
-
- 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
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
- G03B42/021—Apparatus for direct X-ray cinematography
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photographic Developing Apparatuses (AREA)
- Endoscopes (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
1,071,940. Film feed mechanisms. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Oct. 12, 1965 [Oct. 15, 1964], No.43211/65. Heading G2A. In a photographic camera particularly for taking X-ray photographs on an intermittently movable film, an electric motor is switched on and a delivery spool 4 driven. Film 3 from the spool is fed through a tunnel 17 to a driven roller 18 around which it is guided by a curved guide 19, then through the exposure gate 14 to pass between a transport roller 21 and a tension roller 22, and then guided by guide 24 around a roller 23 to open contacts 25, 26 of a switch 27. This causes a lamp (48) Fig. 2 (not shown) to light up, indicating the film is correctly positioned for exposure, and causes a relay (37) to be deenergized, thereby de-energizing relays 42-45 and switching off an electromagnetic spindle coupling 28, so that springs 49, 50 swing the guides 19, 24 to the dotted line positions, cams 46 are free to rotate and roller 23 stops rotating. An operating switch (51) is closed to switch on the motor (39) by which the cams 46 are rotated so that a pressure plate 29 clamps the film in the exposure gate 14, continued rotation of the spool 4 causing a loop 30 of the film to be formed. Further rotation of the cams releases the pressure and allows the loop 30 to be fed by the roller 21, thus forming a loop 31 which, when large enough, closes contacts 32, 52 to energize a relay (53). This energizes the spindle coupling 28 and the roller 23 feeds the film through a tunnel 33 to a take-up spool 5, and also opens a switch (55) to prevent re-energizing of relays 42-45. While the loop 31 is being fed to the take-up spool, the cams 46 rotate to raise the pressure plate 29 and clamp the film in the gate 14 for a further exposure. The pressure plate is lowered and the newly exposed film advanced to enlarge the loop 31 which has almost completely disappeared. The roller 23 rotates continuously since a contact (56) is closed by the relay (53) to bridge the contacts, 32, 52. When the trailing end of the film has passed between the contacts 25, 26 the switch 27 is reclosed and the light 48 goes out, indicating that more film is required. The spools 4, 5 are provided in magazines 6, 7 which are rendered light-tight on removal from the camera by means of slides 12, 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR991558A FR1419000A (en) | 1964-10-15 | 1964-10-15 | Improvements to film changing devices |
Publications (1)
Publication Number | Publication Date |
---|---|
SE325199B true SE325199B (en) | 1970-06-22 |
Family
ID=8840418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE1319965A SE325199B (en) | 1964-10-15 | 1965-10-12 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1285860B (en) |
FR (1) | FR1419000A (en) |
GB (1) | GB1071940A (en) |
SE (1) | SE325199B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3569700A (en) * | 1969-08-21 | 1971-03-09 | Gen Electric | Rapid radiographic roll film changer having a pressure platen actuated by air pressure |
FR2062095A5 (en) * | 1969-10-10 | 1971-06-25 | Radiologie Cie Gle | |
FR2429006A1 (en) * | 1978-06-23 | 1980-01-18 | Radiologie Cie Gle | PRECUT BARE FILM SHEET CHANGER, AND RADIODIAGNOSTIC APPARATUS COMPRISING SUCH A CHANGER |
DE2948525C2 (en) * | 1979-12-01 | 1982-04-01 | Rollei-Werke Franke & Heidecke Gmbh & Co Kg, 3300 Braunschweig | Device for automatic cocking and releasing of still cameras |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE809371C (en) * | 1949-01-11 | 1951-07-30 | Alfred Zechendorff | Electric film switchgear |
-
1964
- 1964-10-15 FR FR991558A patent/FR1419000A/en not_active Expired
-
1965
- 1965-10-12 GB GB4321165A patent/GB1071940A/en not_active Expired
- 1965-10-12 DE DEN27467A patent/DE1285860B/en not_active Withdrawn
- 1965-10-12 SE SE1319965A patent/SE325199B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1285860B (en) | 1968-12-19 |
GB1071940A (en) | 1967-06-14 |
FR1419000A (en) | 1965-11-26 |
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