| Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544) |
|---|
| 01/25/1977 | US4005287 Nose attachment for OCR wand |
| 01/25/1977 | US4005286 Compact illumination system with light absorbing and reflecting walls |
| 01/25/1977 | US4005280 Ticket reader |
| 01/18/1977 | US4004136 Credit verification terminal with dual information sources |
| 01/18/1977 | US4004134 Off-line magnetic card reader system operable as though normally on line |
| 01/18/1977 | US4004133 Credit card containing electronic circuit |
| 01/18/1977 | US4004131 Article carrying coded indicia |
| 01/18/1977 | US4003627 POS optical scanning station with slotted planar plate |
| 01/11/1977 | US4003088 Lock out tab for magnetic disc envelope |
| 01/11/1977 | US4003030 Electronic cash register |
| 01/11/1977 | US4003021 Level determination for optical character reader |
| 01/11/1977 | US4002908 Program selection, particularly for liquid scintillation spectrometers |
| 01/11/1977 | US4002887 Digital area navigation system and combined magnetic card reader and encoder |
| 01/04/1977 | USRE29104 Method of scanning documents to read characters thereon without interference from visible marks on the document which are not to be read by the scanner |
| 01/04/1977 | US4001780 Data reading apparatus |
| 12/28/1976 | US4000397 Signal processor method and apparatus |
| 12/21/1976 | US3999043 Pulse width detection circuit for electro-optical label reading system |
| 12/21/1976 | US3999023 Magnetic card reader |
| 12/14/1976 | US3997912 Method and apparatus for automatic patterning correction |
| 12/07/1976 | US3996558 Error detection and recovery from magnetic tape |
| 12/07/1976 | US3996448 Data collection system |
| 11/30/1976 | US3995256 Selective switching circuit |
| 11/30/1976 | US3995255 Automatic vending equipment and credit purchase systems |
| 11/30/1976 | US3995166 Optical scan pattern generator for code reading systems |
| 11/30/1976 | US3995145 Magnetic data reader employing magnetically operated solid state switches, and reader-lock combination |
| 11/23/1976 | US3993894 Dual edge detector for bar codes |
| 11/23/1976 | US3993893 Data reader |
| 11/16/1976 | US3992623 Optical scanner |
| 11/16/1976 | US3992620 Dynamic light reference system for film reader |
| 11/09/1976 | US3991299 Bar code scanner |
| 11/02/1976 | US3989348 Optical scanner with large depth of focus |
| 10/26/1976 | US3988739 Input device for scanning documents with magnetic bubble printing |
| 10/26/1976 | US3988688 Demodulator for binary-phase modulated signals having a variable clock rate |
| 10/26/1976 | US3988610 Digitizing of recorded data |
| 10/26/1976 | US3988573 Three line scanner for bar code symbols |
| 10/26/1976 | US3988572 Synthetic aperture system for information transfer and object identification |
| 10/19/1976 | US3987278 Moving object identifying system |
| 10/19/1976 | US3987277 System for digitally collecting and storing data |
| 10/12/1976 | US3986150 Reed type electromechanical filter device |
| 10/12/1976 | US3986001 Sales computer utilizing sensor pairs |
| 10/12/1976 | US3986000 Logarithmically normalized cross-correlation bar-code reader |
| 10/12/1976 | US3985999 Code readout apparatus |
| 10/12/1976 | US3985293 Machine readable merchandise marking tag |
| 10/05/1976 | US3984835 Homodyne communication system |
| 10/05/1976 | US3984049 Read-write head back-up member |
| 09/28/1976 | US3983389 Wand for reading optically encoded graphic symbols |
| 09/28/1976 | US3983366 Article sorting apparatus and method |
| 09/28/1976 | US3983365 Tape readers |
| 09/28/1976 | US3983364 Apparatus utilizing analog-to-digital conversion in the photoelectric reading of documents |
| 09/21/1976 | US3982103 Credit verification system |
| 09/07/1976 | US3979578 Access controller and system |
| 09/07/1976 | US3979577 Code recognition record medium and technique |
| 09/07/1976 | US3978964 Magnetic head control assembly for a magnetic passbook printing system |
| 08/31/1976 | US3978450 Image character reader system |
| 08/31/1976 | US3978320 Data control devices |
| 08/31/1976 | US3978319 Universal self-clocking code reading method and apparatus |
| 08/31/1976 | US3978318 Hand-operated scanner |
| 08/31/1976 | US3978317 Optical bar code reader |
| 08/31/1976 | US3978278 Videodisc reader with concave mirror elements |
| 08/24/1976 | US3976973 Horizontal scan vertical simulation character reading |
| 08/24/1976 | US3976858 Card reader assembly with manual transducer |
| 08/24/1976 | US3976857 Method and an arrangement for reading coded information from a data carrier |
| 08/24/1976 | US3976856 Self-clocking punched record reader |
| 08/03/1976 | US3973107 Reading device for optically detectable digital codes |
| 07/27/1976 | US3972068 System for translating magnetically encoded data to visually readable characters corresponding thereto |
| 07/27/1976 | US3972027 Skew compensation for a magnetic card reading-writing unit |
| 07/27/1976 | US3971917 Labels and label readers |
| 07/27/1976 | US3971916 Methods of data storage and data storage systems |
| 07/27/1976 | US3971473 Tri-level selector |
| 07/20/1976 | US3970826 Electro-mechanical card reader head |
| 07/20/1976 | US3970825 Apparatus and a method for reading light-dark or color-contrast codes on articles |
| 07/20/1976 | US3970824 Electronic recognition and identification system for identifying a family of codes |
| 07/20/1976 | US3970775 System for scanning information recorded on a plurality of magazine contained filmstrips |
| 07/13/1976 | US3969613 Two frequency coded data interpreting method and apparatus |
| 07/13/1976 | US3969612 Bar code reader enhancement |
| 07/13/1976 | US3969573 Apparatus for reading a record carrier on which information is stored in an optically readable structure |
| 06/22/1976 | US3965360 Method for discriminating high-temperature red heated material |
| 06/15/1976 | US3964022 Hand-held scan data handling system |
| 06/15/1976 | US3963918 Identification device for machine moulded products |
| 06/15/1976 | US3963901 Data processing system |
| 06/08/1976 | US3961747 Commodity identification apparatus |
| 06/01/1976 | US3961371 Vibration absorption system for a card reading mechanism |
| 06/01/1976 | US3961198 Visually alignable sensor wand which excludes unwanted light from a sensor system |
| 06/01/1976 | US3961162 Method and apparatus for interrupting a device for a preselected interval of time |
| 06/01/1976 | US3961160 Card reader |
| 05/25/1976 | US3959784 High speed optical read-out of data stored in an array |
| 05/25/1976 | US3959631 Wedge code and reading thereof |
| 05/25/1976 | US3959627 Card reader |
| 05/25/1976 | US3959626 Distorted two frequency coded data interpreting method and apparatus |
| 05/25/1976 | US3959625 Coded information-reading device |
| 05/25/1976 | US3959624 Coded merchandising coupon |
| 05/18/1976 | US3958229 Optical memory systems utilizing organ arrays of optical fibers |
| 05/18/1976 | US3958106 Article identifying system having scanner for vertical movement in synchronism with the article |
| 05/18/1976 | US3958105 Electronic recognition and identification system for identifying several master keys |
| 05/18/1976 | US3958104 Multiplexed optical scanner system |
| 05/18/1976 | US3958102 Inventory taking system for an automatic warehouse |
| 05/18/1976 | US3957334 Printed circuit board array for card reader |
| 04/27/1976 | US3953887 Spring driven velocity controlled magnetic stripe reader |
| 04/27/1976 | US3953730 Optical reading head |
| 04/27/1976 | US3953712 Magnetic identification apparatus |