GB1404320A - Recording tape devices - Google Patents
Recording tape devicesInfo
- Publication number
- GB1404320A GB1404320A GB5481671A GB5481671A GB1404320A GB 1404320 A GB1404320 A GB 1404320A GB 5481671 A GB5481671 A GB 5481671A GB 5481671 A GB5481671 A GB 5481671A GB 1404320 A GB1404320 A GB 1404320A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tape
- spool
- assembly
- wheel
- belt
- 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
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Advancing Webs (AREA)
Abstract
1404320 Guiding endless record tapes DEFENCE SECRETARY OF STATE FOR 24 Nov 1972 [25 Nov 1971] 54816/71 Heading G5R An endless tape 3 is wound on a hollow spool 2 and is withdrawn from the inner turn to a guide assembly 4 which directs the tape out of the spool hollow to a second assembly 5 outside the spool, the assembly 5 restoring the tape to a path wherein its edges are coplanar with the edges of the tape on the spool and further being adjustable in position. The two guide assemblies 4, 5 include, in addition to 45 degree-inclined bars 14, 18, horizontal rollers 15, 17 which alter the plane of the tape so that it travels parallel to the spool between the assemblies 4, 5. The assembly 5 further includes a vertical roller 19. The tape is wound on a circular array of rollers 12. The apparatus includes first and second drives 6, 8 flanking two transducers 27, 28, each drive comprising a plurality of wheels 22-25, 30-33 driven by belts 26, 34. The tape 3 is sandwiched between belt 26 and wheel 22, and between belt 34 and wheel 30, the latter wheel being driven slightly faster than the former. Drive is transmitted from a motor 9 by a belt-and-pulley system, Fig. 3 (not shown), which also has provision for application of an external drive at a slotted shaft (56). Two pulleys (43, 44) between the shaft (56) and motor pulley (40) are interconnected by a ratchet-and-pawl device (60, 61), Figs. 4, 5 (not shown), which is such that the pawls are rotated by a high-speed external drive and under centrifugal force become disengaged, against spring bias (63), from the ratchet wheel (60), thus isolating the motor 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5481671A GB1404320A (en) | 1971-11-25 | 1971-11-25 | Recording tape devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5481671A GB1404320A (en) | 1971-11-25 | 1971-11-25 | Recording tape devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1404320A true GB1404320A (en) | 1975-08-28 |
Family
ID=10472158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5481671A Expired GB1404320A (en) | 1971-11-25 | 1971-11-25 | Recording tape devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1404320A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2237679A (en) * | 1989-10-10 | 1991-05-08 | Cubic Western Data | Magnetic read and write assembly |
-
1971
- 1971-11-25 GB GB5481671A patent/GB1404320A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2237679A (en) * | 1989-10-10 | 1991-05-08 | Cubic Western Data | Magnetic read and write assembly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |