Computerized tracing/edging system

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

5116571, 51105EC, 51284E, B24B 700

Patent

active

049128809

ABSTRACT:
A computerized tracing/edging system for the edging of an ophthalmic lens comprises a tracing sub-system for performing a tracing operation with respect to a frame, a pattern or a lens to derive data relating to the dimensions thereof, a storing sub-system for storing the data relating to the dimensions of the traced frame, pattern or lens, and an edging sub-system responsive to the data relating to the dimensions of the traced frame, pattern or lens for edging the ophthalmic lens so as to provide it with dimensions corresponding to the dimensions of the traced frame, pattern or lens. The computerized tracing/edging system can be implemented as a multi-processor system consisting of a first sub-system for performing the tracing operations, a second sub-system for performing the storage operations (as well as data translation procedures for converting the data from one form to another), and a third sub-system for performing the edging operations. Alternatively, the tracing or edging sub-systems can be implemented as single, stand-alone systems having the capabilities described above. The tracing sub-system employs a data sensor to convert traced dimensions to electrical signals, the same data sensor being employed in any of the modes of operation (frame tracing, lens tracing or pattern tracing).

REFERENCES:
patent: 4096884 (1978-06-01), Akaba et al.
patent: 4557076 (1985-12-01), Helbrecht
patent: 4656590 (1987-04-01), Ace

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