Patents for G06K 7 - Methods or arrangements for sensing record carriers (60,544) |
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05/16/1990 | EP0230447B1 Checkout control system |
05/15/1990 | US4926480 Card-computer moderated systems |
05/15/1990 | US4926187 Radio-frequency identification system |
05/15/1990 | US4926182 Microwave data transmission apparatus |
05/15/1990 | US4926049 Reflection type photoelectric switch |
05/15/1990 | US4926033 Linear reciprocating motion device and optical card transporting device which employs the same |
05/15/1990 | US4926032 Reader and/or writer for IC card |
05/15/1990 | US4925262 Method and apparatus for light beam scanning using a hologram |
05/14/1990 | EP0274526A4 Transponder device. |
05/10/1990 | DE3837657A1 Package box with a marking field and method and device for reading these markings |
05/09/1990 | EP0367300A2 Portable laser diode scanning head |
05/09/1990 | EP0367299A2 Portable laser diode scanning head |
05/09/1990 | EP0367298A2 Portable laser diode scanning head |
05/09/1990 | EP0367216A2 Reader/Writer of memory cards |
05/09/1990 | EP0366984A2 Laser diode focusing module for divergent light source |
05/09/1990 | EP0366961A2 Laser diode scanner with minimized power consumption, minimized dead zone, and increased safety |
05/09/1990 | EP0366899A2 Retro-reflective laser diode scanner with beam position control |
05/09/1990 | EP0366890A2 Laser diode scanner with enhanced visibility over extended working distance |
05/09/1990 | EP0366858A1 Bar code field and bar code reader |
05/09/1990 | EP0366739A1 Electric transmission device |
05/09/1990 | CA2002181A1 Chip card receiver |
05/09/1990 | CA2001445A1 Proximity reading of coded tag |
05/08/1990 | US4924219 Retrieval apparatus using logical operators |
05/08/1990 | US4924210 Method of controlling communication in an ID system |
05/08/1990 | US4924199 Optical card for data storage for use in a data recording and retrieving apparatus |
05/08/1990 | US4924171 System for supplying power source by electromagnetic induction coupling |
05/08/1990 | US4924088 Apparatus for reading information marks |
05/08/1990 | US4924078 Identification symbol, system and method |
05/08/1990 | US4923281 Laser diode focusing module, method of fabricating, and method of using |
05/02/1990 | EP0366513A1 Electrical connector for electronic memory cards, process for producing such a connector and read-write device incorporating such a connector |
05/01/1990 | US4922493 Error detection and correction circuit |
05/01/1990 | US4922351 Optical information recording and reproducing apparatus |
05/01/1990 | US4922261 Aerial systems |
05/01/1990 | US4922111 Card type image reader with means for relieving bending stress |
05/01/1990 | US4922109 Device for recognizing authentic documents using optical modulas |
05/01/1990 | US4922086 Write head apparatus for recognizing magnetic characters and method therefor |
04/26/1990 | DE3930946A1 Magnetic marking system for articles - has strip markings that pass through AC field to generate detector output |
04/26/1990 | DE3916812A1 Read-write unit for card with integrated circuit - has interlock to block input after card has been loaded |
04/26/1990 | DE3916783A1 Read-write unit for data cards - has slide=in carriage with guide system to bring card against contacts |
04/26/1990 | DE3840180C1 Housing with contact-free feed-through of radio-frequency signals |
04/25/1990 | EP0364676A2 Scanning system with self-adjusted scanning angle |
04/25/1990 | EP0178973B1 Method for marking the form and position of models placed on a sheet material |
04/24/1990 | US4920256 Universal electronic payment terminal base including memory card programming voltage booster |
04/24/1990 | US4920255 Automatic incremental focusing scanner system |
04/24/1990 | CA1268257A1 Digitizer/sequencer device |
04/24/1990 | CA1268254A1 Optical information reading apparatus |
04/24/1990 | CA1268253A1 Portable handheld terminal including optical bar code reader and electromagnetic transceiver |
04/19/1990 | WO1990004245A1 Method and apparatus for scrambling and unscrambling bar code symbols |
04/18/1990 | EP0364029A1 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark |
04/18/1990 | EP0363992A2 Card reader having locking mechanism |
04/18/1990 | EP0363871A2 IC card reader/ writer having a short-circuit detection capability |
04/18/1990 | EP0219513B1 Lightpen |
04/17/1990 | US4918484 Picture frame number discriminating method and apparatus therefor |
04/17/1990 | US4918416 Electronic proximity identification system |
04/17/1990 | US4918415 Data reading and/or writing apparatus for use with an optical card |
04/17/1990 | US4918297 Optical image reading device |
04/17/1990 | US4918296 Article identifying system |
04/17/1990 | CA1267974A1 Optical information recording and reproducing apparatus |
04/11/1990 | EP0363035A1 Commodity data reader |
04/11/1990 | CN1007574B Image reader |
04/10/1990 | US4916687 Apparatus for mounting and rotating an optical card for recording and/or reproducing information |
04/10/1990 | US4916552 Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel |
04/10/1990 | US4916441 Portable handheld terminal |
04/10/1990 | US4916318 Scan type optical reader with changing beam waist position |
04/10/1990 | US4916298 Method for the optical reading of bar codes |
04/10/1990 | US4916297 Code reader |
04/10/1990 | US4916296 Light modulating smart card |
04/10/1990 | US4916295 Document detecting arrangement |
04/10/1990 | US4915639 "Smart" AC receptacle and complementary plug |
04/10/1990 | CA2000405A1 Authenticity mark, document carrying such mark, and process and device for reading and validating such mark |
04/10/1990 | CA1267725A1 Optical information recording-reproducing apparatus and method |
04/04/1990 | EP0362050A2 Memory card |
04/04/1990 | EP0361370A2 Chipcard reader |
04/04/1990 | EP0361296A1 System for reading and coding a magnetic track, carried by a document, by manually moving the document |
04/04/1990 | CN1041049A Information code sheet and method for recognition of this code |
04/04/1990 | CN1007463B Printed data strip including bit-encoded information and scanner control |
04/03/1990 | US4914700 Method and apparatus for scrambling and unscrambling bar code symbols |
04/03/1990 | US4914623 Digital processing of sensor signals for reading binary storage media |
04/03/1990 | US4914280 Optical wand interface to fixed scanner |
04/03/1990 | US4914279 Card reading apparatus having a passive electrical speed controller |
03/29/1990 | DE3832375A1 Method and arrangement for detecting objects passing a call-up signal barrier in mine operations |
03/28/1990 | EP0360581A2 Optical system for a large depth-of-field bar code scanner |
03/28/1990 | EP0360345A1 Reading apparatus for a chip card |
03/28/1990 | EP0360250A2 Optical reading apparatus |
03/28/1990 | EP0360249A2 Commodity data reading apparatus |
03/28/1990 | EP0125287B1 Identification system |
03/27/1990 | US4912697 Apparatus and method for preventing recording errors due to a reduction in the relative speed between an information carrying light beam and a recording medium |
03/27/1990 | US4911531 Optical correlator system |
03/27/1990 | US4911217 Integrated circuit transponder in a pneumatic tire for tire identification |
03/22/1990 | WO1990003070A1 Identification system |
03/22/1990 | DE3832104A1 Magnetic head arrangement |
03/22/1990 | DE3830475A1 Hose coupling |
03/22/1990 | DE3153177C1 Device for reading-out and/or storing an information from or respectively in a card exhibiting a memory for the information and being stationary during the exchange of information |
03/22/1990 | DE3153176C2 Device for reading-out and/or storing an information item from or respectively in a card exhibiting a memory for the information and being stationary during the exchange of information |
03/21/1990 | EP0359010A1 X-Scanner |
03/20/1990 | US4909742 IC card and mating socket |
03/20/1990 | US4909356 Fully self-service check-out counter incorporating an integral apparatus for on demand manufacturing of custom-sized bags conforming to the volume of articles received therein |
03/14/1990 | EP0357827A1 Multi-reader for magnetic band cards, optical bar-code cards, electronic microprocessors cards having a light source and a high resolving detector for the card reflected beams |
03/14/1990 | EP0357736A1 Data system for monitoring and/or controlling processes |
03/14/1990 | EP0357729A1 Equipment for reading a non-stationary memory. |