Pen recorder moved according to a digital servo controller

Details Pen recorder moved according to a digital servo controller Pen recorder moved according to a digital servo controller

1988-09-21

1990-05-29

Harkcom, Gary V.

Boots, shoes, and leggings

346139R, 346140R, G01D 1516

Patent

active

049300903

ABSTRACT:
A pen recorder for recording a magnitude of a measured signal with a pen which is moved in accordance with a digital servo controller. High performance and function are attained by using ASIC with simple interactive operation. A novel pen mechanism is used for recording. High quality is achieved at low cost by selecting a pen of adequate pen pressure in accordance with recording velocity.

REFERENCES:
patent: 4435772 (1984-03-01), Suzuki et al.
patent: 4577206 (1986-03-01), Hibino
patent: 4613872 (1986-09-01), Naito et al.
patent: 4686540 (1987-08-01), Leslie et al.
patent: 4794406 (1988-12-01), Niemeyer, III

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