Measuring instrument with digital parameter control

Details Measuring instrument with digital parameter control Measuring instrument with digital parameter control

1992-02-11

1993-07-13

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural ranges, scales or registration rates

324121R, 364487, G01R 1300, G01R 1508

Patent

active

052277160

ABSTRACT:
It is known to provide measuring instruments, such as oscilloscopes or other measuring instruments, with analog adjustment elements for adjusting various parameters, such as the horizontal and vertical position of a signal (s1, s2) to be displayed, of trigger devices, etc. A digital measuring instrument is disclosed having digital adjustment elements in which the reaction behaviour of the parameters to be set substantially corresponds to that of a measuring instrument with analog adjustment elements. For this purpose, the adjustment elements are constructed as rotatable pulse generators and the measuring instrument is provided with a pulse processing device by which the pulse duration (T, T') of the pulses generators is determined. Thus independently of the rotational speed, a parameter reaction behaviour can be set by this device which results in a natural reaction behavior similar to that of analog adjustment elements.

REFERENCES:
patent: 4629981 (1986-12-01), Barbiaux
patent: 4743844 (1988-05-01), Suzuki et al.
patent: 4859935 (1989-08-01), Smith et al.
patent: 4975689 (1990-12-01), Suzuki et al.
patent: 5019773 (1991-05-01), Sugiura et al.

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