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AssigneeBrandt, Inc.
InventorsRichard A. Melcher, William Sherman, III, Madhura Nadig, Robert M. Stewart, Paul L. Hessler, David R. Bryce
Estimating the term…
A currency counter for counting currency notes withdrawn from a supply and advancing the notes one by one along a path past a density detector and a magnetic material detector to a stacker at a delivery location upon energization of a common drive motor in which an amplifier responsive to the density detector is automatically calibrated each time the counter starts and in which density and motor current signals are combined for doubles detection. The motor speed is adjusted for document length to provide a predetermined number of counts per minute. An adaptive counterfeit check is made. The motor is deenergized at the end of a batch count and momentarily reenergized to ensure that the last note of the batch is stacked.
Document handling apparatus including in combination energizable means for advancing documents along a path, detecting means including a variable gain amplifier, means positioning said detecting means in operative relationship to said path whereby said amplifier puts out a signal of a first magnitude in response to the presence of a document adjacent to the detecting means and of a second magnitude in the absence of a document adjacent to the detecting means, actuatable means for energizing said energizable means and means responsive to actuation of said actuatable means for automatically setting the gain of said amplifier to cause said second magnitude signal to assume a predetermined value, said gain setting means comprising means for storing a representation of gain, and means responsive to successive actuation of said actuatable means for updating said representation.
Sheet handling apparatus including in combination means including a motor for advancing sheets one at a time along a path, means located along said path for producing a first signal indicating an apparent overlapping passage thereby of more than one sheet, means for obtaining a second signal as a measure of a predetermined increase in motor current resulting from an overlapping sheet feed by said advancing means and means responsive to the concomitant presence of both of said first and second signals for producing an indication of a multiple or overlapping feed.
Apparatus for counting documents advanced from a supply of documents to a delivery location including in combination means for holding a supply of documents, means including a motor for withdrawing documents one by one from said supply and forwarding the documents to said delivery location, said motor having an electrical current therethrough, sensing means disposed adjacent to said path for producing a first signal representing the density of a document passing thereby, means responsive to said sensing means for counting the number of documents passing the sensing means, means for producing a second signal representing the current through said motor, means for storing a representation of the average density of a number of documents which have passed said sensing means, means for storing a representation of the average motor current during the passage of a number of documents, means for comparing said first signal with said average density representation times a first factor, means for comparing said stored density representation with said first signal times said first factor, means for actuating said counting means to add one to its count when said first signal is not greater than the stored density representation times said first factor and the stored representation is not greater than said first factor times said first signal, means for producing an error signal when said first signal is not less than said stored density representation times a second factor, means for comparing said second signal with said stored current representation times a factor, means for actuating said counting means to add one to its count when said first signal is greater than the stored density representation times said first factor and less than the stored density representation times said second factor and said second signal is not greater than said stored current representation times a third factor, means for actuating said counting means to add two to its count when said first signal is greater than the stored density representation times said first factor and less than said stored density representation times said second factor and said second signal is greater than the stored current representation times said third factor and less than said stored current representation times a fourth factor and means for producing an error signal when said first signal is greater than the stored density representation times said first factor, and second signal is greater than said stored representation times said third factor and said second signal is not less than said stored current representation times said fourth factor.
Sheet handling apparatus including in combination means including a motor for advancing sheets along a path, detecting means responsive to movement of sheets along said path, first means responsive to said detecting means for producing a count in response to movement of a sheet past said detecting means, second means responsive to said detecting means for producing a length measurement in response to movement of a sheet past said detecting means, means for setting the speed of said motor to cause said counting means to count a predetermined number of sheets per unit time and means responsive to said length measurement means for regulating said motor speed to maintain said number of counts per unit time constant.
Apparatus for counting documents from a supply and for delivering said documents to a delivery location including in combination means for holding a supply of documents, means for withdrawing documents one by one from said supply and advancing said documents toward said delivery location, means at said delivery location for stacking documents received from said advancing means, means including a common motor for driving said withdrawing and advancing means and said stacking means, means for counting documents withdrawn by said withdrawing and advancing means, means for energizing said motor, means responsive to said counting means for deenergizing said motor when a batch of documents aggregating a predetermined number have been withdrawn from said supply and means for momentarily reenergizing said motor after the deenergizing thereof to ensure that the last document of said batch withdrawn from said supply is moved to said delivery location by said stacking means.
Dependencies are inferred from the claim text.