GB915074A - Improvements in devices for enabling a numerical reading to be obtained from the trace produced by a watch-timing machine or similar instrument - Google Patents
Improvements in devices for enabling a numerical reading to be obtained from the trace produced by a watch-timing machine or similar instrumentInfo
- Publication number
- GB915074A GB915074A GB3315460A GB3315460A GB915074A GB 915074 A GB915074 A GB 915074A GB 3315460 A GB3315460 A GB 3315460A GB 3315460 A GB3315460 A GB 3315460A GB 915074 A GB915074 A GB 915074A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- pointer
- running
- scales
- watch
- 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
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
- G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
- G04D7/1214—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks
- G04D7/1221—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks with recording, e.g. vibrograph
- G04D7/1228—Devices for facilitating the reading or the interpretation of the recording
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
915,074. Measuring angles. MARTI, F., and BRAUNSCHWEIG, G. Sept. 27, 1960, No. 33154/60. Class 97 (3). [Also in Group XVIII] A device for enabling a numerical reading to be obtained from the trace produced by a watch timing machine or similar instrument includes at least one mobile setting attachment 1 adapted to be moved over the trace to be read, thus causing a relative linear displacement of at least one graduated scale 8 and at least one pointer 9. As shown, the mobile setting attachment is a disc 1 rotatably mounted on an axis 3 on the upper side of the watch timing machine on the path of a moving paper tape 10 on which the machine prints a diagram 11 which is inclined in one or other direction relative to the longitudinal axis of the paper tape 10, according to how fast or slow the time piece under test is running. The disc is provided with parallel slits 2 and is illuminated from below. The disc 1 can be rotated by means of an endless cord 4 which is looped around the disc and around two pulleys 5, 5a having control knobs 6, 6a. A pointer 9 is fixed to the cord 4 between two guide rollers 7, 7a which are arranged at both ends of two parallel rectilinear scales 8, 8a graduated in seconds per 24 hours and tenths of a second per 24 hours respectively. To measure from the diagram how fast or slow the time piece under test is running, one of the control knobs is rotated to rotate the disc 1 until the slits 2 are brought into a position parallel to the printed line 11 on the tape 10. This will shift the pointer 9 on scales 8, 8a on one of which the operator can read directly the error in running. Alternatively, the pointer may be fixed and the scales movable. In a modification the rotatable disc is replaced by a member which is movable linearly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3315460A GB915074A (en) | 1960-09-27 | 1960-09-27 | Improvements in devices for enabling a numerical reading to be obtained from the trace produced by a watch-timing machine or similar instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3315460A GB915074A (en) | 1960-09-27 | 1960-09-27 | Improvements in devices for enabling a numerical reading to be obtained from the trace produced by a watch-timing machine or similar instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
GB915074A true GB915074A (en) | 1963-01-09 |
Family
ID=10349244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3315460A Expired GB915074A (en) | 1960-09-27 | 1960-09-27 | Improvements in devices for enabling a numerical reading to be obtained from the trace produced by a watch-timing machine or similar instrument |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB915074A (en) |
-
1960
- 1960-09-27 GB GB3315460A patent/GB915074A/en not_active Expired
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