Friction force measurement apparatus

Details Friction force measurement apparatus Friction force measurement apparatus

2006-03-21

2006-03-21

Noori, Max (Department: 2855)

Measuring and testing

Frictional resistance, coefficient or characteristics

Reexamination Certificate

active

07013706

ABSTRACT:
A friction force measurement apparatus which measure friction force between a fixed member fixed on a main body of a magnetic tape drive and a magnetic tape abrading the fixed member is characterized by being equipped with a vibration detector which is joined with the fixed member and a vicinity of the fixed member and detects vibration in abrasion of the magnetic tape with the fixed member, and a calculation device which calculates the friction force between the fixed member and the magnetic tape based on a signal from the vibration detector.

REFERENCES:
patent: 4836035 (1989-06-01), Tcheng et al.
patent: 5014547 (1991-05-01), Holroyd
Seifert, H. (1998) Measuring frictional characteristics of video magnetic tapes-using test head simulating video head and drum mounted body. Derwent, DD 153231A.□□.
Seifed, H. (1998) Measuring frictional charaderistics of video magnetic tapes-using test head simulating video mounted body. Derwent, DD 153231A (Translation).

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