Depth sensor which detects grinding depth by means of change and

Details Depth sensor which detects grinding depth by means of change and Depth sensor which detects grinding depth by means of change and

1996-04-26

1998-01-13

Oda, Christine K.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

73 7, G01N 2704

Patent

active

057083703

ABSTRACT:
A depth sensor for detecting a depth, when grinding the magnetic head in order to set the depth of the magnetic head to a predetermined length including an analog sensor having a resistor whose resistance changed continuously by being ground together with the magnetic head when grinding the magnetic head in a depth direction and for detecting the depth from said continuously changed resistance, and a digital sensor having a resistor whose resistance is changed non-continuously by being ground together with the magnetic head when grinding the magnetic head in the depth direction and for detecting the depth from the non-continuously changed resistance.

REFERENCES:
patent: 5056353 (1991-10-01), Matono
patent: 5057956 (1991-10-01), Muratomi et al.
patent: 5132617 (1992-07-01), Leach
patent: 5559429 (1996-09-01), Mowry

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