Measuring and testing – Display or display device details
Patent
1996-08-08
1997-10-14
Raevis, Robert
Measuring and testing
Display or display device details
G01F 2314
Patent
active
056775016
ABSTRACT:
A flow display type indicator is provided which indicates the variation or the velocity of variation of the value of a physical quantity or a parameter in a readily identifiable form. The indicator includes a flow image forming unit to indicate the value of the predetermined physical quantity in a flow representation by enabling a flow representing image to be formed at one of a plurality of positions including first to n-th positions which are orderly disposed and offset from each other along a predetermined line. A flow image selector selects one from flow representing images at the first to the n-th positions in one of first and second directions depending on the polarity of an input signal at a speed in accordance with the magnitude of the input signal to allow the flow representing image forming unit to form a selected flow representing image.
REFERENCES:
patent: 4753117 (1988-06-01), Osterhout et al.
patent: 4756186 (1988-07-01), Sangawa
Catalog of Satellite Signal Level Checker, Maspro Denkoh Corp., Nov. 1994.
Instruction Manual of TV Signal Lever Meter, Leader Electronics Corp., pp. 1-4 to 1-6, 2-1 to 2-7, and 3-14, Apr. 1992.
Operating Manual of Tricoder, pp. 1, 15-17 and 25, Dec. 10, 1992.
Catalog of HF Transceiver (Model TS-50), Kenwood Corp., Apr. 25, 1993.
Kawaguchi Ei
Nagai Masaaki
Leader Electronics Corp.
Raevis Robert
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