Title:
【発明の名称】ペン型コンピュータ入力装置
Document Type and Number:
Japanese Patent JPH0743630
Kind Code:
B2
Abstract:
A pen-type input device for computers includes a ball rotatably supported by an end of a pen-like elongate handle and rotatable in response to the movement of the pen-type input device for causing one or both of first and second rotating detection members to rotate about their own axes extending perpendicular to one another, and a pattern on each respective rotating detecting member having a series of alternating light-reflecting portions and light-absorbing portions for receiving light projected from a light-emitting device and for reflecting light back to a light-sensitive device which in turn sends an electric detection signal to a detecting circuit of a circuit board. The direction of rotation and the amount of movement of each respective rotating member is detected by the detecting circuit and the detected data are sent to a computer whereby a curve corresponding to the movement of the ball is created on a display surface of the computer.
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Inventors:
Ryuichi Toyota
Masaki Ken
Koichi Sato
Masaki Ken
Koichi Sato
Application Number:
JP23673590A
Publication Date:
May 15, 1995
Filing Date:
September 05, 1990
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G06F3/0354; G06F3/038; G06F3/042; G06K11/06; (IPC1-7): G06F3/033
Domestic Patent References:
| JP60116533U |
Attorney, Agent or Firm:
Akira Kobiji (2 outside)
Next Patent: SCANNER USING RESONANCE TYPE OPTICAL DEFLECTOR