G - Physics
07
C
234/7
G07C 7/00 (2006.01) G01D 9/28 (2006.01) G01D 9/32 (2006.01)
Patent
CA 1115676
ABSTRACT A recording system with a chart recorder having a movable pen arranged for providing a record on a moving chart of the varying value of a variable is arranged for causing the pen repetitively, at intervals or at selected moments or occasions to execute a traverse on the chart and in so doing to record the current value of a second variable on the chart in binary representation by marking or not marking chart zones crossed in the traverse and allotted to res- pective information bits for the second variable value. A particular applica- tion of the system provides repetitive recordings on the chart of clock and calendar times. Each recording of the second variable is clearly distinguish- able from the record trace of the first variable and scarcely interrupts the continuity of the latter.
296632
Cowlin Philip
Devial Raymond M.
Babcock-Bristol Limited
Fetherstonhaugh & Co.
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