Now available from Sintrom Electronics of Reading is the Computek graphics system. The system has hardware generated vectors, curves, smoothstroke alphanumerics and special symbols. The screen capacity is over 2000 in of graphics (10 000 vectors) or over 4000 characters. Computek's proprietary curv
Multiple-range strip chart recorder
- Publisher
- Elsevier Science
- Year
- 1955
- Tongue
- English
- Weight
- 76 KB
- Volume
- 260
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
small wafer of a peculiar carbon compound that senses weather changes and then sends a minute electrical signal to the indoor thermostat. Thus warned, the indoor thermostat turns on the furnace to cope with lower temperatures. General Electric's Appliance Control Department has announced plans for marketing the device through furnace manufacturers and distributors. It is expected to be available by January, 1956.
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Field experience with a leaf psychrometer suggests that its effective use depends on strict adherence to a definite experimental procedure.
Non-linear chart traces can be digitized if the output is corrected by a mathematical function. A procedure is described which is advantageous if the recorder output may be regarded as symmetric about the mid-point of the chart.