GB906600A - Improvements relating to photocomposing machines - Google Patents
Improvements relating to photocomposing machinesInfo
- Publication number
- GB906600A GB906600A GB15643/59A GB1564359A GB906600A GB 906600 A GB906600 A GB 906600A GB 15643/59 A GB15643/59 A GB 15643/59A GB 1564359 A GB1564359 A GB 1564359A GB 906600 A GB906600 A GB 906600A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prisms
- array
- prism
- degrees
- positions
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B21/00—Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00
- B41B21/16—Optical systems
- B41B21/24—Optical systems defining multiple optical paths
- B41B21/26—Optical systems defining multiple optical paths with means for selecting individual optical paths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B21/00—Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00
- B41B21/16—Optical systems
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
906,600. Photographic type-composing apparatus; optical systems. MERGENTHALER LINOTYPE CO. May 7, 1959 [July 17, 1958], No. 15643/59. Classes 97 (1) and 98 (1). In a photographic type-composing machine including an array of graphic symbols or characters lit by a light source, there is provided for character selection one or more optical prisms through each of which light from all the characters in the array passes and means for positioning the or each of the prisms in any one of a chosen number of positions so that only light from a selected character will be deflected to pass along a predetermined path to form an image of the selected character. Since the number of different positions from which an image can be formed at a given position by means of n wedge prisms each having m different positions is m<SP>n</SP>, for an eighty-eight character font it is necessary to use for example a single prism having that number of different positions, two prisms each having ten positions or, say, seven prisms each having two positions. Thus with a single prism the characters are arranged on a circle centred at the centre of rotation of the prism or as shown with seven prisms 32, each having two positions differing by 180 degrees, the characters are arranged as indicated on the font plate 10 as indicated in Fig. 8. For such an array four prisms of angles, say, of 1, 2, 4 and 8 degrees would be arranged to deflect light horizontally and three prisms of angle 1, 2 and 4 degrees provide to deflect light vertically, while if a further prism is added for vertical deflection a more compact font plate array as in Fig. 10 may be used. To compensate for slight deviations due to differences in the angle of incidence of light from the array on the prisms, the array may have a slightly cushionshaped appearance (Fig. 11, not shown). Instead of rotating the prism 180 degrees to reverse its deflection, each prism may be replaced by a pair of prisms as in Fig. 4 displaceable across the optical axis in the direction of their aligned faces. A further arrangement of four prisms each having four different positions is referred to for an array as in Fig. 10, the deflections being effected in directions at 45 degrees to the rectangular co-ordinate lines shown.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US749228A US2942538A (en) | 1958-07-17 | 1958-07-17 | Character presentation scheme for phototypographical machine |
Publications (1)
Publication Number | Publication Date |
---|---|
GB906600A true GB906600A (en) | 1962-09-26 |
Family
ID=25012830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15643/59A Expired GB906600A (en) | 1958-07-17 | 1959-05-07 | Improvements relating to photocomposing machines |
Country Status (2)
Country | Link |
---|---|
US (1) | US2942538A (en) |
GB (1) | GB906600A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3099945A (en) * | 1960-06-30 | 1963-08-06 | Harris Intertype Corp | Photographic type composition |
US3273475A (en) * | 1963-11-06 | 1966-09-20 | Louis M Moyroud | Photographic type composition device |
US3342539A (en) * | 1963-12-24 | 1967-09-19 | Bell Telephone Labor Inc | Digitally responsive pattern recognition systems |
US3319516A (en) * | 1964-04-01 | 1967-05-16 | Eltra Corp | Tape coding device |
GB1180913A (en) * | 1964-05-20 | 1970-02-11 | Int Photon Corp | Improvements in or relating to Photographic Type-Composing. |
US3400992A (en) * | 1965-06-09 | 1968-09-10 | Joseph T. Mcnaney | Coplanar light beam deflection and selection apparatus |
US3492926A (en) * | 1966-08-08 | 1970-02-03 | Toshio Asaeda | Device for optically and selectively printing letters |
US3496848A (en) * | 1967-04-06 | 1970-02-24 | Eltra Corp | Photocomposing machines |
US3474459A (en) * | 1968-01-08 | 1969-10-21 | Pan American Petroleum Corp | Optical display system using controlled deflections of a collimated beam of radiant energy |
US3572895A (en) * | 1968-12-03 | 1971-03-30 | Philips Corp | Optical deflection system including an alternating sequence of birefringent prisms and polarizers |
US3720457A (en) * | 1970-11-18 | 1973-03-13 | Special Optics Inc | System for polarizing optical energy and transmitting the same through media |
US4329027A (en) * | 1980-10-17 | 1982-05-11 | Autologic, S.A. | Photocomposing machine and method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB182887A (en) * | 1921-04-07 | 1922-07-07 | Walter Broadbent | Mechanism for the photographic reproduction of type or other characters |
US2392224A (en) * | 1942-09-16 | 1946-01-01 | Ibm | Optical recorder |
US2444172A (en) * | 1945-10-29 | 1948-06-29 | Arnold L Silverstein | Ophthalmoscope with light deviating means |
US2752818A (en) * | 1952-06-26 | 1956-07-03 | Fairchild Camera Instr Co | Photographic text correction machine |
-
1958
- 1958-07-17 US US749228A patent/US2942538A/en not_active Expired - Lifetime
-
1959
- 1959-05-07 GB GB15643/59A patent/GB906600A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2942538A (en) | 1960-06-28 |
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