Title:
【発明の名称】ペン型のコンピュータ入力装置
Document Type and Number:
Japanese Patent JPH0748174
Kind Code:
B2
Abstract:
A pen-type computer input device is used to move a cursor on the display of a computer system or enter data such as of figures, letters, numerals, or the like into a computer system. The pen-type computer input device includes a shank (5), a ball (7) rotatably supported on the tip (6) end of the shank, the ball having a plurality of identifiable regions (8,9) on an outer peripheral surface thereof, and a circuit including a sensor unit for detecting the identifiable regions in response to rotation of the ball, and for detecting the directions in which the ball rotates and the distances by which the ball moves two perpendicular directions in a plane, and producing an output signal representative of the directions and distances. Since the sensor unit can detect the distance by which the pen-type computer input device moves without any mechanical motion transmitting mechanism incorporated in the shank, the pen-type computer input device may be small in size and can be handled with ease.
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Inventors:
Koichi Sato
Ryuichi Toyota
Masaki Ken
Ryuichi Toyota
Masaki Ken
Application Number:
JP22851289A
Publication Date:
May 24, 1995
Filing Date:
September 04, 1989
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G06F3/0354; G06K11/06; (IPC1-7): G06F3/033
Domestic Patent References:
| JP60120424A | ||||
| JP63104079U |
Attorney, Agent or Firm:
Akira Kobiji (2 outside)
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