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G03G 15/00 (2006.01) G03G 21/04 (2006.01)
Patent
CA 1211493
- 1 - Copy Machine With Document Dependent Control Abstract A copy machine (1) having an eddy current proximity detector (15) positioned so relative movement is provided between the detector and a document to be copied. The detector is connected to control logic circuitry (40) for the copy machine so that the copy machine is prevented from producing a copy when the detector detects metal carried by the document. A document cover position indicating device (4) is also connected to the control logic (40) for the copy machine so that closure of the document cover (3) is required for the production of a copy.
448397
Minnesota Mining And Manufacturing Company
Smart & Biggar
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