Apparatus for the analysis of test tape

Details Apparatus for the analysis of test tape Apparatus for the analysis of test tape

1979-01-16

1981-07-21

McGraw, Vincent P.

Optics: measuring and testing

Of light reflection

356440, 356244, G01N 2155, G01N 2100

Patent

active

042795141

ABSTRACT:
Individual strips of test tape particularly suitable for urinalysis are held in longitudinal receptacles of a rotating drum and scanned by a measuring device operative to sense light reflecting characteristics of test areas on each test tape. The measuring device is moved along a guide mechanism longitudinally of the drum and the drum is indexed in steps to bring each test tape into sensing position relative to the measuring device. Analytical data from the measuring device may be converted into graphical form by a tracer mechanism operated in response to the measuring device. An endless belt driving mechanism operates to drive the measuring device longitudinally of the drum to scan the test tapes with a lever system containing a switch arm being provided to effect both reciprocal scanning motion of the measuring device and stepped rotation of the drum relative thereto.

REFERENCES:
patent: 3910701 (1975-10-01), Henderson et al.
patent: 3918910 (1975-11-01), Soya et al.
patent: 4047820 (1977-09-01), Soodak et al.

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