Composite operation type input device for carrying out...

Details Composite operation type input device for carrying out... Composite operation type input device for carrying out...

2006-09-19

2006-09-19

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S231100, C250S231130, C200S061270, C200S564000, C345S157000

Reexamination Certificate

active

07109469

ABSTRACT:
A code disc is spline-connected to an operation unit supported such that it can rotate and move vertically and sandwiched between a center cylinder and a return spring. Rotation of the operation unit is detected by photointerruptors through the code disc and vertical movement of the operation unit is detected by a photointerruptor through a cylinder.

REFERENCES:
patent: 4575600 (1986-03-01), Botz et al.
patent: 4859922 (1989-08-01), Tauchenitz et al.
patent: 5223864 (1993-06-01), Twisselmann
patent: 6080942 (2000-06-01), Sasaki
patent: 6380733 (2002-04-01), Apel et al.
patent: 32 36 531 (1984-04-01), None
patent: 44 32 399 (1986-03-01), None
patent: 2002-025395 (2002-01-01), None

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