Pressure sensitive stylus pen

Details Pressure sensitive stylus pen Pressure sensitive stylus pen

1995-05-26

1996-10-15

Chilcot, Richard

Measuring and testing

Dynamometers

Responsive to force

73862041, G01C 100

Patent

active

055656323

ABSTRACT:
A stylus which has a pressure sensitive arrangement for reliably sensing a depressing force although the stylus being slantingly disposed, by using inductance change generated from an interval displacement between a moveable magnetic body and a fixed magnetic body, which has a coil wounded around thereof and is disposed at a predetermined distance from said moveable magnetic body. The arrangement has a pen tip member having a contact portion for receiving the pen pressure; an elastic material member disposed between the moveable and fixed magnetic bodies; a first supporting device disposed to hold the position of the fixed magnetic body against a depressing pressure; and a second supporting device for supporting the depressing member in a condition established when the rear end plane of the moveable magnetic body and the front end plane of the fixed magnetic body are placed with each other in a parellel position by receiving the depressing pressure.

REFERENCES:
patent: 4631356 (1986-12-01), Taguchi et al.
patent: 4704501 (1987-11-01), Taguchi et al.
patent: 4845478 (1989-07-01), Taguchi et al.
patent: 4890096 (1989-12-01), Taguchi et al.
patent: 5134689 (1992-07-01), Murakami et al.

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