Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1987-06-10
1988-11-01
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340580, G08B 2100
Patent
active
047823313
ABSTRACT:
An arrangement for the detection of icing on the surface of an object includes an optical conductor in which the radiation from a source strikes at least one plane of the conductor, which is located in the area of the surface to be tested and which is accessible from outside the object, and a detector which receive the radiation coming from this conductor plane and converts it into an electrical signal. An evaluation device compares the signal which a threshold value and, depending on the result of the comparison, generates an alarm signal.
REFERENCES:
patent: 2359787 (1944-10-01), Peters et al.
patent: 3045223 (1962-07-01), Kapany et al.
patent: 4583064 (1985-08-01), Kovacs
Faller F. Brice
Swann III Glen R.
U.S. Philips Corporation
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