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| Number | Title | Issue Date |
| 5665093 | Surgical implantation method and apparatus An apparatus and method for implanting within a human or animal body a surgical device which includes a tubular member with outside markings having a removable pointed end member mounted in the front end of the tubular member; a rod member slidably mounte... | 09/09/1997 |
| 5323900 | Apparatus for storing used medical needles An apparatus for storing used medical needles includes a storage housing member for storing the used medical needles, the housing member including a flange portion for supporting the housing member on a supporting surface enabling an attendant to insert u... | 06/28/1994 |
| 5252814 | Multi-scanner checkout counter using digitizer panel to determine X-Y location of scanned items An apparatus is disclosed for scanning a bar code label on purchased merchandise items, including a support member having a first conveyor belt mounted above a second conveyor belt, and a digitizer panel oriented in a downward direction positioned therebe... | 10/12/1993 |
| 5237163 | Method for scanning a plurality of bar code labels A method for processing the reading of bar code tags or labels in which a bar code scanner reads a plurality of bar code tags in the field of view of the scanner while in a stationary position generating tag representation for each tag read comprising the... | 08/17/1993 |
| 5231383 | Videographics display system A videographics display system includes a graphics processor and a video RAM memory including a first portion storing video information and a second portion which is utilized for non-video information such as program information, message buffers, font tab... | 07/27/1993 |
| 5214268 | Apparatus for programming a bar code reader The present invention is directed to a method and apparatus for programming an optical bar code reader. The method includes the steps of storing programming binary data in a storage device, coupling a light emitting diode to the storage device enabling th... | 05/25/1993 |
| 5198650 | Hands free/hand held bar code scanner A bar code scanner is disclosed comprising an egg-shaped housing member containing a scanning member which can be easily held by a checkout operator for a handheld scanning operation. A support member associated with the scanner has a vertically orientate... | 03/30/1993 |
| 5192857 | Compact optical scanner rotatable between horizontal and vertical positions A compact optical scanner comprises a housing assembly rotatably mounted on a support member for movement between horizontal and vertical positions. A pair of compressed flexible arms inserted into socket 28 of the support member 26 provide a frictional d... | 03/09/1993 |
| 5191199 | Bar code scanner support member A portable bar code scanner includes a hood member having one end secured to the scanning head portion of the scanner. The other end of the hood member has a receding edge portion for help in supporting the scanner when positioned on a supporting surface.... | 03/02/1993 |
| 5179686 | Method for automatically detecting the size of a memory by performing a memory warp operation A method for detecting the size of a DRAM memory includes the steps of establishing a table of memory bank configurations each having a different memory capacity, selecting one of the memory configuration, writing and reading a data word at the lowest add... | 01/12/1993 |
| 5179271 | Compact optical scan pattern generator for bar code reading systems A compact optical scanning system includes a rotating polygon having a plurality of curved mirror portions and a plurality of mirror facets, a collection mirror member having a pair of reflective surfaces and a source of scanning light beams which project... | 01/12/1993 |
| 5177347 | Axially invariant pattern scanning apparatus An optical scanning unit for use in a bar code scanner for scanning a bar code label includes a motor driven hollow drive shaft through which are projected laser light beams from a laser source positioned adjacent one end of the drive shaft. Mounted on th... | 01/05/1993 |
| 5155346 | Device for converting hand-held scanner to hands-free scanner A portable bar code scanner includes a housing member having a pair of sloping supporting surfaces oriented at an angle to each other and a floor portion on which is mounted a reflecting mirror. One of the sloping supporting surfaces includes a transparen... | 10/13/1992 |
| 5149949 | Optical scanner with counterrotating reflector elements A compact optical scanning apparatus includes a motor driven hollow drive shaft through which scanning light beams are projected. A mirror mounted on one end of the drive member deflects the light beams to the side of the drive member, said light beams im... | 09/22/1992 |
| 5149947 | Portable checkout system A checkout system includes an optical scanning device removably mounted on the handles of oppositely positioned grocery carts to enable a operator to remove a purchased merchandise item from one of the carts and to move the item past the scanning device f... | 09/22/1992 |
| 5148009 | Bar code scanning apparatus A portable bar code scanner includes a housing member having a supporting surface which includes an aperture extending in a horizontal direction through the housing member. The supporting surface includes a recessed portion which is in communication with ... | 09/15/1992 |
| 5142131 | Hand-held bar code reader A portable hand-held optical scanner comprises a disk-shaped housing which fits within the palm of the hand of a checkout operator, which scanner includes a scanning mechanism for generating a scanning pattern for scanning coded indicia, a strap member fo... | 08/25/1992 |
| 5138141 | Method and apparatus for repeating the output of an optical scanner There is disclosed a method and apparatus for enabling a checkout system to repeat the price of a previously processed purchased merchandise item which includes mounting a pair of photodetector members in a pair of apertures located in the checkout counte... | 08/11/1992 |
| 5132523 | Dual mode optical scanning system A portable bar code scanner comprises a housing member having a pair of sloping supporting surfaces oriented at an angle to each other and a floor portion on which is mounted a reflecting mirror. One of the sloping supporting surfaces includes a transpare... | 07/21/1992 |
| 5115333 | Variable laser beam attenuator An attenuator for varying the power of a laser scanning light beam includes a bracket having a reduced portion intermediate its ends enabling one end to be rotated around its other end. A glass element is secured to the movable end and is moved to a posit... | 05/19/1992 |
| 5115122 | Compact optical scanning system A portable, stand-alone compact optical scanning apparatus includes a housing member in which is mounted a printed circuit board, a semicircular mirror member mounted on the printed circuit board having a cone shaped edge portion, a light emitting element... | 05/19/1992 |
| 5113060 | Scanning point-of-sale terminal A point-of-sale data terminal device includes an optical scanning device mounted in one of the wall portions of the terminal device. In one embodiment of the invention, the scanning device is mounted in a support member which in turn extends outwardly fro... | 05/12/1992 |
| 5108062 | Pivot apparatus A disengageable tilt apparatus supports a structure such as an optical scanner for moving and supporting the scanner between vertical and horizontal positions and includes a support member having a cylindrical recessed portion within which is positioned a... | 04/28/1992 |
| 5109485 | Method for transferring data between memories A method for transferring data between a first and second memory in which the first memory is divided into a number of partitions. Stored in the first memory are a plurality of first data bits locating the begin and end block of data space in each of the ... | 04/28/1992 |
| 5105070 | Bar code scanning apparatus with rotating housing member A portable bar code scanner includes a support member and a housing member rotatably mounted on the support member and having a pair of sloping supporting surfaces oriented at an angle to each other and a floor portion on which is mounted a reflecting mir... | 04/14/1992 |
| 5091870 | Apparatus for measuring the speed of transmission of digital characters An apparatus for capturing data outputted by a data processing unit includes an interface unit for generating a strobe pulse for each data word outputted, a timer for measuring the elasped time between the occurrence of two consecutive data words and a DM... | 02/25/1992 |
| 5081364 | Multifocal scanning system A bar code scanning system having a focusing lens for focusing scanning light beams in a first focal plane includes a slide member supporting a transparent substrate which enables the focusing lens to focus the light beams in a first focal plane through w... | 01/14/1992 |
| 5073702 | Multiple beam bar code scanner A bar code scanner includes a source of a scanning light beam which is intercepted by a beam splitter which divides the laser beam into two secondary light beams. Each secondary light beam is projected through a focusing lens which focuses each beam at a ... | 12/17/1991 |
| 4860308 | Modem communication system having main and secondary channels A data modem communication system includes a data modem transmitter adapted to transmit data on a main channel at a relatively high bit rate and to transmit data at a relatively low bit rate on a secondary channel. At the receiver, a single analog-to-digi... | 08/22/1989 |
| 4851667 | Compact laser scanner optical system A compact optical scanning system comprises a portable enclosure structure having a cover portion which includes a glass enclosed aperture over which a UPC label attached to a purchased merchandise item is moved. Mounted within the enclosure is a laser wh... | 07/25/1989 |
| 4849996 | Phase perturbation compensation system In a phase perturbation compensation system for use in a data modem receiver, the signal from an equalizer is fed to a phase and amplitude correction circuit which is connected to a decision circuit providing a data output signal and a phase error output ... | 07/18/1989 |
| 4849927 | Method of controlling the operation of security modules In a method of controlling the operation of a security module, wherein firmware controlling the operation of the security module (10) is stored in a program memory (40), new firmware may be loaded into the module (10). An authentication key (KA) is encryp... | 07/18/1989 |
| 4849989 | Data modem receiver In a data modem receiver (80) the received signal is digitized in an A/D-converter (84), the output of which is applied to notch filter means (88, 96) which eliminates secondary channel signals, and which applies an output signal to a pair of IIR filters ... | 07/18/1989 |
| 4847880 | Multipoint modem system having fast synchronization A multipoint data modem communication system (10) includes a master modem (12) and a plurality of remote modems (14, 16 and 18). During an initial, remote-to-master transmission, a relatively long training sequence is transmitted and receiver parameter an... | 07/11/1989 |
| 4847716 | Automatic prompting for cleaning of magnetic disk heads A method for cleaning transducer heads in a magnetic disk drive located within a device such as an electronic cash register comprising the steps of storing in a memory first data identifying the number of days of operation of the device required before a ... | 07/11/1989 |
| 4833609 | ERC with operator prompting for entering quantity of selected multi-item packaged goods For a merchandise checkout system including an electronic cash register having a keyboard and a display, and which further includes a price look-up table in which is stored a plurality of records each including a first item number identifying the purchase... | 05/23/1989 |
| 4826096 | Gasket wrapping apparatus A gasket wrapping apparatus including a pair of plate members positioned on a crank member rotatably mounted on a support member. The crank member and one of the plate members include slots located therein which are aligned to receive the end of a strip o... | 05/02/1989 |
| 4817114 | Multipoint data modem communication system A multipoint data modem communication system includes a control modem (12) and a plurality of tributary modems (14, 16, 18). During an initial training mode, receiver parameters and equalizer coefficients are determined and stored in a storage device (156... | 03/28/1989 |
| 4811579 | Cash drawer release mechanism A manually operated release mechanism includes a spring actuated latch mechanism for latching a cash drawer within an enclosure upon movement of the cash drawer to a closed position. A rod member rotatably mounted adjacent the latch mechanism extends to a... | 03/14/1989 |
| 4811288 | Data security device for protecting stored data A security device (10) for protecting sensitive data stored in a resettable memory (110) includes a housing (11) formed of six ceramic plates (P1-P6) each having provided thereon a pair of thin film conductive path segments arranged in a meandering config... | 03/07/1989 |
