Home | Links | Contact Us | More About Intellectual Property | Bookmark
Search patents:
Home Image Analysis Method-and-apparatus-for-currency-discrimination-and-counting

 Inkjet printing: mask-rotation-only at page extremes; multipass modes for quality and throughput on plastic media
OF THE PREFERRED EMBODIMENTS 1. STEEPER DIAGONAL The print mask of the present invention forms ...


 Page printer controller
An object of the invention is to improve the page printer controller's processing time by ...


 Shared decompression buffer
It is an object of the present invention to provide an improved compression/decompression system. I...


 System for clearing an image data buffer in a high-speed digital printing apparatus
OF THE INVENTION The FIGURE is a systems diagram showing the essential elements of the present ...


 System and method for accelerated data recompression
The present invention fulfills the above-described and other needs by providing a data ...


 Random printmasks in a multilevel inkjet printer
" section of this document. In preferred embodiments of a second of its aspects, the invention is ...


 Data compression method and apparatus and data expansion method and apparatus
Accordingly, it is an object of the present invention to provide a data compression method and ...


 Optical system for a large depth-of-field bar code scanner
OF THE INVENTION A simplified diagram illustrating the optical principal of the optical system of ...


 Low differential light level photoreceptors
Circuitry is employed to provide a two-step improvement to acquiring a sufficient signal-to-noise ...


 Freehand image scanning device which compensates for non-linear color movement
A scanning device and method for forming a scanned electronic image include using navigation ...


 Method and apparatus for currency discrimination and counting

Details
Inventors: Raterman, Donald R.; Graves, Bradford T.; Stromme, Lars R.; Bauch, Aaron M.;
Assignee: Cummins-Allison Corp. (Mt. Prospect, IL)
Primary Examiner: Tran; Phuoc
Assistant Examiner:
Attorney, Agent or Firm: Jenkens & Gilchrist

An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along its narrow dimension. A series of detected reflectance signals are obtained by sampling and digitally processing, under microprocessor control, the reflected light at a plurality of predefined sample points as a currency bill is moved across an illuminated strip with its narrow dimension parallel to the direction of transport of the bill. The sample data is subjected to digital processing, including a normalizing process, whereby the reflectance data represents a characteristic pattern that is unique for a given bill denomination and incorporates sufficient distinguishing features between characteristic patterns for discriminating between different currency denominations. A plurality of master characteristic patterns are generated and stored using original bills for each denomination of currency to be defected. The pattern generated by scanning a bill under test and processing the data samples is compared with each of the prestored master patterns to generate, for each comparison, a correlation number representing the extent of similarity between corresponding ones of the plurality of data samples for the compared patterns. Denomination identification is based on designating the scanned bill as belonging to the denomination corresponding to the stored toaster pattern for which the correlation number resulting from pattern comparison is determined to be the highest, subject to a bi-level threshold of correlation.

DETAILED DESCRIPTION What is claimed is: 1.
A method of processing currency bills using a U.
S.
currency evaluation device comprising: receiving a stack of bills to be evaluated in an input receptacle of the device, transporting the bills, one at a time, from the input receptacle along a transport path, automatically denominating bills of a plurality of U.
S.
denominations, delivering bills which have been evaluated to an output region comprising one and only one stacker wheel containing output receptacle.
2.
The method of claim 1 wherein comprising receiving bills of a plurality of denominations in the input receptacle and transporting bills of a plurality of denominations to the stacker wheel containing output receptacle.
3.
The method of claim 1 wherein the stacker wheel comprises flexible blades.
4.
The method of claim 1 wherein automatically denominating comprises detecting light reflected off passing bills, generating a reflected light characteristic information output signal in response to detected characteristic information, and generating a denomination signal in response to the reflected light characteristic information output signal.
5.
The method of claim 1 wherein the transporting and denominating are performed at a rate in excess of about 800 bills per minute.
6.
The method of claim 1 wherein bills of at least two of the plurality of denominations have the same size and the denominating comprises denominating bills of the plurality of denominations including bills of different denominations having the same size.
7.
The method of claim 1 wherein the denominating comprises denominating bills independently of the size of the bills.
8.
The method of claim 1 wherein each bill is rectangular and has a wide dimension and a narrow dimension and wherein the transporting comprises transporting bills in a transport direction with their narrow dimension parallel to the transport direction.
9.
The method of claim 8 wherein the transporting and denominating are performed at a rate in excess of about 800 bills per minute


Related patents
  Customizable international note counter
In accordance with one aspect of the present invention, there is provided a system for counting documents, such as currency from a plurality of different currency ...
  Currency evaluation and recording system
In accordance with one aspect of the present invention, there is provided a currency discriminator for evaluating currency bills and recording information associated ...
  Currency handling system having multiple output receptacles
A currency handling device for rapidly processing a plurality of currency bills comprises an input receptacle adapted to receive the currency bills to be processed, a ...
  Customizable international note counter
In accordance with one aspect of the present invention, there is provided a system for counting documents, such as currency from a plurality of different currency ...
  Method and apparatus for currency discrimination and counting
It is a principal object of the present intention to provide an improved method and apparatus for identifying and counting currency bills comprising a plurality of ...
  Computer graphics system and process for adaptive supersampling
Generally, computer graphics systems represent dynamic images by displaying data on the screen of a cathode ray tube (CRT). Typically, the CRT screen displays a ...
  Anisotropic texture mapping using silhouette/footprint analysis in a computer image generation system
In accordance with the invention, a method for anisotropically mapping texture information to each pixel required for display of each of plural polygons forming each ...
  Techniques for anisotropic texture mapping using multiple space-invariant filtering operations per pixel
The present invention relates to a method and a computer system for applying a texture image to an object when rendering the object on a display device. The texture ...
  Image processing apparatus and method for converting data dependent on a first illuminating light into data dependent on a second illuminating light
An object of the present invention is to obtain data under desired illumination in a simple manner with a limited memory capacity. The above-mentioned object can be ...
  Method and apparatus for delta row decompression
I claim: 1. A circuit for decompressing delta row compressed data, having command data bytes containing information as to the location and number of replacement data ...

0.174

Archive: All patents - Links

Copyright (c)2006 Eipa-patents.org - All rights reserved