Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-08-07
1990-10-16
Brier, Jeffery A.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340709, 33 1M, G09G 100
Patent
active
049638580
ABSTRACT:
An input device in the form of a manually moveable unit or "mouse" provides coordinate-data information responsive to movement of the mouse across a planar surface. The mouse includes at least one manually operable button for changing a ratio of distance of mouse movement across the planar surface to an amount of coordinate-data information value change. This results in the ability to scale shapes or objects, the coordinates of which are to be input using the mouse, by selectively activating the ratio change button. To permit accurate tracing and scaling, the mouse includes a star shaped ordinate plate having a plurality of radial arms, each having a different shaped pointer. Each arm slidably engages into a corresponding groove in the mouse so that an opposite end of the ordinate plate is positioned for tracing the image to be input.
REFERENCES:
patent: 4552360 (1985-11-01), Bromley et al.
patent: 4561183 (1985-12-01), Shores
patent: 4698626 (1987-10-01), Sato et al.
patent: 4716291 (1987-12-01), Sakamoto et al.
patent: 4763116 (1988-08-01), Eichholz
patent: 4831736 (1989-05-01), Bryant, Sr.
IBM Technical Disclosure Bulletin, "Mouse/Keyboard Concept Incorporating Unique Devices for Controlling CRT Display Cursors", vol. 27 No. 10B Mar. 1985.
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