Mounting arrangement for a position locating system

Details Mounting arrangement for a position locating system Mounting arrangement for a position locating system

1980-12-08

1982-10-19

Robinson, Thomas A.

Telegraphy

Systems

Position coordinate determination for writing

G08C 2100, G01G 314, H04N 100

Patent

active

043552021

ABSTRACT:
Mechanical coupling apparatus for a position locating system comprises a force sensing device (504). One extremity of the coupling apparatus is joined to a rigid body (506) which may be fixed. A plate or a visual display screen (501) having a surface (501a or 501b) exposed to the application of a localized force is joined to the other extremity of the coupling apparatus. The force sensing device senses force changes which are proportionately related to the localized force (F) applied to the exposed surface of the plate or visual display screen. The force is sensed through a predetermined point of action (510) of the coupling apparatus. In order to decrease error, the point of action (510) is in substantially the same plane as the exposed surface of the plate or screen. The coupling apparatus provides support to the plate or screen (501) without creating any undesirable moments.

REFERENCES:
patent: 3657475 (1972-04-01), Peronneau et al.
patent: 4121049 (1978-10-01), Roeber
"One-Point Touch Input of Vector Information for Computer Displays", Herot, Computer Graphics for Aug. 1978, pp. 210-216.
"Pressure Controlled Resistance Matrix", Einolf et al., IBM Tech. Dis. Bull., vol. 6, No. 3, Aug. 1963, pp. 4-5.

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