Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1995-08-21
1997-06-17
Powell, Mark R.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
G06F 3033
Patent
active
056401787
ABSTRACT:
A pointing device includes a resilient substrate having flat upper and lower surfaces, a plurality of strain gages integrally formed on at least one of the upper and lower surfaces of the substrate, and a stick having a base connected to a central portion on the upper surface of the substrate, and a tip end opposite the base and displaceable in an arbitrary direction. The stick extends perpendicularly to the upper surface of the substrate. A displacement direction and a displacement quantity of the tip end of the stick are detectable from outputs of the strain gages.
REFERENCES:
patent: 4680577 (1987-07-01), Straayer et al.
patent: 5489900 (1996-02-01), Cali et al.
patent: 5499041 (1996-03-01), Brandenburg et al.
Arita Takashi
Endo Michiko
Kawamoto Mieko
Okahashi Masanori
Fujitsu Limited
Powell Mark R.
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