Touch measurement system

Details Touch measurement system Touch measurement system

2007-08-21

2007-08-21

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S173000

Reexamination Certificate

active

10802608

ABSTRACT:
A touch measurement system includes a touch probe for detecting touching of a workpiece by a touch probe stylus and including at least one sender for emitting an infra-red light in response to detection of the touching, and a receiving unit including a housing having a window permeable to an infra-red light and provided with an electro-conductive coating for shielding an interior of the housing from electro-magnetic interferences, and an infra-red light receiver for receiving the infra-red light emitted by the sender of the touch probe, and a unit for processing the infra-red light received by the receiver, with both the receiver and the processing unit being located in the housing interior.

REFERENCES:
patent: 4509266 (1985-04-01), Cusack
patent: 4518958 (1985-05-01), Cook et al.
patent: 4779319 (1988-10-01), Juengel
patent: 4978857 (1990-12-01), Juengel
patent: 3422180 (1984-12-01), None

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