Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6367107 | Interlocking striking tool A striking tool is provided for interlocking with a bar-like tool having a fork end and/or a pike end. The striking tool uses two retaining features for retaining a bar-like tool. The pike can be replaced by or supplemented with an adz, or any other type ... | 04/09/2002 |
| 6243447 | Self-service checkout system utilizing portable communications terminal A system for transferring data between a centrally located site and a portable communications terminal via a telephone network, the site having associated therewith a look up table containing plurality of data records correlating to items disposed at a re... | 06/05/2001 |
| 6206288 | Bar code scanner positioning A method of reading bar code symbols includes determining one or more parameters based upon the quantity and/or quality of the data which is being acquired, and providing the user with information concerning that parameter. The parameter may, for example,... | 03/27/2001 |
| 6196466 | Data compression method using multiple base number systems A data compression method is defined, which achieves high efficiency when encoding source data drawn from two or more data subsets of differing sizes, and where these subsets are distributed throughout the source message. Methods for encoding and decoding... | 03/06/2001 |
| 6123262 | Omnidirectional reading of two-dimensional bar code symbols A method and apparatus for automatically aligning a field of view of a two-dimensional bar code symbol reading device with a randomly oriented two-dimensional bar code symbol, wherein the symbol comprises a unique locatable pattern of bars and spaces, loc... | 09/26/2000 |
| 6115678 | Universal host interface for data acquisition systems A universal interface system for use with a data acquisition system including a data acquisition device such as a bar code scanner or scanner integrated terminal for providing digital data signals indicative of acquired data for transmission to a host dev... | 09/05/2000 |
| 6092725 | Statistical sampling security methodology for self-scanning checkout system A statistical basis for use in a self-scanning checkout system determines how many items to check in a shopper's shopping cart for incorrect or missing scans as well as which particular or types of items to check to determine if they were properly scanned... | 07/25/2000 |
| 6073848 | Digital automatic gain control for multi-stage amplification circuits The present invention relates to a multi-stage digital Automatic Gain Control (AGC)circuit for selectively sampling the outputs of a serially connected amplification stages and for selectively controlling the gain of one or more stages in order to keep th... | 06/13/2000 |
| 6047892 | Two-dimensional bar code symbology using implicit version information encoding A electro-optical memory includes a substrate on which is printed (or otherwise inscribed) a complex symbol or "label" or "bar code" of a high density two-dimensional symbology. The bar code contains component symbols or "codewords" which are placed in ro... | 04/11/2000 |
| 6036098 | Miniature scan element operably connected to a personal computer interface card A miniature high speed bar code scanning element is detachably mounted within an industry standard PCMCIA card for implementation in personal computing devices.... | 03/14/2000 |
| 6036094 | Hand-held optical scanner for reading two-dimensional bar code symbols and the like A lightweight, easy to grasp and manipulate hand-held optical scanning device for scanning and digitizing image data from a two-dimensional bar code symbol for subsequent decoding in a personal computer platform. The scanning device achieves a small footp... | 03/14/2000 |
| 5988505 | Omnidirectional reading of two-dimensional symbols A method and apparatus for automatically aligning a field of view of a two-dimensional bar code symbol reading device with a randomly oriented two-dimensional bar code symbol, wherein the symbol comprises a unique locatable pattern of bars and spaces, loc... | 11/23/1999 |
| 5974202 | Apparatus and method for processing a machine readable document with embedded machine instructions A method and apparatus is provided for controlling the function of document processing machines such as copying machines and facsimile machines. Control data is submitted to a controller in a two-dimensional symbology having error correcting capability. T... | 10/26/1999 |
| 5929420 | Method for reading distorted bar codes Bar code decoding methods and apparatus are disclosed wherein prototype characters are generated using calculated bar code distortion attributes. The vector distance measurements between the scanned bar code characters and the prototype characters are adv... | 07/27/1999 |
