Control device and process for testing position dependent signal

Details Control device and process for testing position dependent signal Control device and process for testing position dependent signal

1997-10-09

1999-10-26

Hoff, Marc S.

Coded data generation or conversion

Digital pattern reading type converter

Incremental

324121R, 341114, H03M 130

Patent

active

059736208

ABSTRACT:
In the installation of a scanner of a position measuring apparatus, it is required that parameters such as amplitude and phase position of analog signals generated by a scanner be tested so that the scanner can be correctly installed. For this purpose, a control device with a display field is provided. In the display field, a bar is displayed whose width represents a measure for the range of variation of the radius and whose position represents a measure for the average radius of a Lissajous figure. In addition, a marking is displayed for the admissible range of variation of this radius.

REFERENCES:
patent: 3985980 (1976-10-01), Bradley
patent: 4360730 (1982-11-01), Breslow
patent: 4648113 (1987-03-01), Horn et al.
patent: 5128609 (1992-07-01), Howley
patent: 5241173 (1993-08-01), Howley et al.
patent: 5508607 (1996-04-01), Gibson
patent: 5789913 (1998-08-01), Mager
patent: 5793201 (1998-08-01), Nelle et al.

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