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| Number | Title | Issue Date |
| 4636623 | Apparatus for reading a line marking The apparatus comprises a reading surface which is formed by a plurality of photo-diodes. Each photo-diode is connected to an input of an AND-gate. The AND-gates each have another input which receives pulses from a scanner which distributes pulses to the ... | 01/13/1987 |
| 4626671 | Lens system for optically recorded storage card reader An optical storage card reading system using a cylindrical lens is disclosed which provides for a large viewing cone at the surface of the optical storage card thus improving the ability to read optically recorded data despite scratches or dust on the opt... | 12/02/1986 |
| 4575625 | Integral hand-held laser scanner A portable, hand-held laser scanner system located within a compact housing. The housing includes a laser tube power supply means therefor and computer means. The laser is operative when triggered by the user to produce a laser beam which exits the housin... | 03/11/1986 |
| 4559644 | Image processing apparatus and method for recognizing only desired patterns An apparatus and method for reading, processing, storing and later printing out stored data from an original document in which undesired data portions are prevented from being recorded. Portions of the printed original image which are desirably retained a... | 12/17/1985 |
| 4536648 | Optical card read/write scanning system An optical card is oscillated in an X direction along a curved path by a voice coil driver, and an optical read/write module is translated in the Y direction to read recorded information on the card.... | 08/20/1985 |
| 4494691 | Line-by-line document scanner equipped with a device for controlling the position of documents A scanner is provided with photosensors and a stationary registration mark placed on each side of the reading window. The registration mark is thus located in the reading field of the photosensors as long as no document is presented for scanning within th... | 01/22/1985 |
| 4473746 | Multiple head optical scanner A multiple-head optical scanner includes a plurality of read heads for reading a column of video information at a scanning window. Each read head includes a photosensor array and a lens assembly. The lens assembly focuses the light flux reflected from a s... | 09/25/1984 |
| 4463251 | Method and means for the identification of a roll A method for the identification of rolls, in particular big paper rolls, by means of a code attached to or marked on the end surface of the roll. The code comprises several characters located side by side and is read by a combined signal optical beam tran... | 07/31/1984 |
| 4408121 | Code format for bank check identification A compact code format has marking elements of two distinctive lengths which lie across a set of parallel equal height code zones. The longer of the two lengths exceeds the length of the shorter by twice the height of a code zone, thereby providing a subst... | 10/04/1983 |
| 4369361 | Portable, stand-alone, desk-top laser scanning workstation for intelligent data acquisition terminal and method of scanning A portable, stand-alone, desk-top, laser scanning workstation includes a laser scanning head mounted above a support base. Objects bearing bar code symbols to be scanned are passed underneath the head for overhead scanning, or are passed along one side of... | 01/18/1983 |
| 4349730 | Data processing device for reading and processing visually observable information present on a data carrier The data processing device for reading and processing visually observable information taking place on a data carrier includes a hand operated reading unit guidable in a first direction along a line of the text on the data carrier; scanning unit in the for... | 09/14/1982 |
| 4329573 | Coded optical identification system A coded optical identification system includes a linear array of three-dimensional segments. A first plurality of the segments have planar surfaces thereon from reflecting light from a light source to a light sensor, and a second plurality of the segments... | 05/11/1982 |
| 4171864 | Identification document and display unit therefor An identification document contains idential data both in visual and holographic form. Simultaneous display of the visual data and holographic data in closely adjacent relationship permits ready detection of counterfeiting, alteration and misuse.... | 10/23/1979 |
| 4147295 | Method and apparatus for recognizing bar codes A bar code recognition system in which a threshold value for discriminating each bar of bar codes is automatically corrected. Bar codes representing information are constituted by a combination of wide and narrow bars to be scanned and converted into a re... | 04/03/1979 |
| 4120045 | Apparatus and method for stepwise scanning of patterns according to a scanning raster Apparatus and a method for converting patterns for weaving into stored information by scanning according to a scanning raster the pattern and determining the number of steps per stitch of the scanning raster by using the quotient of the dimensions of the ... | 10/10/1978 |
| 4114030 | Method and apparatus to optically recognize recorded information A light source and a light responsive sensor are optically coupled to recognize information such as bar codes recorded on an object. The light source projects illumination light onto the object and the sensor receives the reflected light the density of wh... | 09/12/1978 |
| 4095095 | Apparatus for manufacturing semiconductor devices On the surface of a semiconductor wafer there is formed a binary-coded pattern which has high and low reflection portions and which contains an item of wafer processing information. A scanning device is provided to scan such patterns on individual wafers ... | 06/13/1978 |
| 4093865 | Code symbol scanner using a double X bar pattern A system for scanning a code symbol consisting of a combination of spaced parallel bars affixed to an object for providing coded information related to the object. A flat panel defines a scanning region adjacent the panel for receiving objects having the ... | 06/06/1978 |
| 4064390 | Method and apparatus for reading coded labels Method and apparatus for reading machine readable coded labels on merchandise at a check-out station. A window is associated with the check-out station, together with means for supporting merchandise for movement past the window. A laser source having an ... | 12/20/1977 |
| 4011435 | Optical indicia marking and detection system An optical marking system which utilizes tags that are formed from multiple diffraction gratings, which gratings differ in orientation and number of lines (frequency) in accordance with the coded information desired on the tags. A monochromatic light sour... | 03/08/1977 |
| 4006343 | Code read-out means This invention is characterized by apparatus for detecting whether an object having information to be read-out is located in a scanning light beam. Means are provided for starting or stopping operation of the light source, passing or cutting off the light... | 02/01/1977 |
| 4001780 | Data reading apparatus A data reading apparatus includes a TV camera with a deflecting mechanism for reading codified data. The scanning direction of the TV camera is rotated by using the deflecting mechanism.... | 01/04/1977 |
| 3973107 | Reading device for optically detectable digital codes A reading device for optically detectable digital codes with two different light-reflecting types of fields. It comprises: a scanning beam arrangement having a timing raster with two different light-reflecting types of serially-numbered fields, means for ... | 08/03/1976 |
| 3958104 | Multiplexed optical scanner system A system is provided for time multiplexing a plurality of optical scanners. The system includes at least two electro-optical detection systems, each including means for receiving an image of an object and producing an electrical signal output in response ... | 05/18/1976 |
| 3946205 | Document feed for optical scanner In a system for optically scanning and reading data printed in transversely extending lines longitudinally spaced apart on a document and comprising a scanning head including an electro-optical arrangement for scanning and reading the data, friction drive... | 03/23/1976 |
