Matches 51 - 90 out of 90 < 1 2
Match Document Document Title
6273337 Tilted offset barcode scanner  
A barcode scanner includes a laser for projecting a laser beam in an outbound path to a focus at a barcode, and effecting back scattered light therefrom in an opposite inbound path. A collection...
6237851 Dual mode barcode scanner  
A barcode scanner includes a laser for emitting a laser beam toward a rotary spinner. The spinner includes a plurality of mirror facets for reflecting the beam in turn therefrom towards a plurality...
RE37166 Scanner with coupon validation  
A point of sale (POS) bar code scanner such as in common use in retail stores includes provision for reading bar coded redemption coupons (or other bar coded documents redeemable for value) in a...
6112993 Flexible dither mount with rotation  
A scanning system and method of data reading in which the scanning system is provided with a mounting mechanism having the ability to flex and/or rotate when subjected to external mechanical shock...
6076735 Bar code scanning apparatus having a plurality of fixed mirrors which reflect scanning beams in orthogonal planes  
A bar code scanning apparatus having a laser beam source 1, a scanner 7 for scanning a laser beam 2 emitted from the laser beam source 1 in an scan angle range of -θ 1 to +(θ 1 +θ 2 ) relative...
5979767 Portable multi-directional bar code scanner  
An apparatus for scanning bar code on an article comprises a housing with a window; a laser light source for transmitting a laser beam which is disposed in the housing; a first mirror fixedly...
5975417 Convertible barcode scanner  
A convertible barcode scanner includes a housing in which are disposed a laser, spinner, and plurality of pattern mirrors optically aligned with the spinner for reflecting a beam from the laser to...
5914479 Counter-rotating scanner  
A scanner and a method for scanning a beam along a path employs a housing tint defines a first cylindrical cavity. A ring gear is disposed within the cylindrical cavity and affixed to the housing....
5796087 Noncoaxial bar code reader operable without condenser lens  
A bar code reader comprises: a laser for projecting light; a polygon mirror for scanning a bar code with light from the laser; a way-in window allowing the reflecting light from the bar code to...
5789731 Laser code symbol scanner employing optical filtering system having narrow pass-band characteristics and spatially-separated optical filter elements with laser light collection optics arranged along laser light return path disposed therebetween  
A laser bar code symbol scanner embodying a narrow band-pass optical filtering system of novel construction. A first optical filter element is installed over the light transmission aperture of the...
5742420 Optical scanner for generating scanning lines on all sides of an object  
Optical scanner with a light source (1) for producing a light beam (A), focusing optics (2), means for producing a predetermined first scanning pattern (SP1-SP4) of separate scanning lines, first...
5742038 Beam shaping for optical scanners  
An optical scanner such as a bar code scanner includes a laser diode to create the scanning laser beam. Laser diodes are characteristically astigmatic, and when passed through a rotationally...
5663551 Boot with replaceable optical element for a bar code scanner  
A hand-held bar code scanner has a removable boot to hold a field-replaceable optical element, which is sandwiched between an opening formed at the nose section of the scanner housing and the face...
5532480 Dynamic damper for an oscillating mirror in a code reader  
A bar code reader including a dynamic damper for an oscillating mirror assembly is disclosed herein. The reader includes a frame which supports a light source for producing scanning light, and a...
5526167 Scanning device  
Scanning device for optically scanning symbol codes, such as bar codes, comprising a laser source for producing a scanning beam, a detector for detecting light backscattered by the scanned symbol...
5523552 Method and apparatus to scan randomly oriented two-dimensional bar code symbols  
Disclosed are methods and apparatus for automatically aligning the field of view of a two dimensional bar code reading device with a randomly oriented two-dimensional bar code symbol wherein the...
5464972 Omnidirectional bar code label scanner  
An omnidirectional bar code label scanner includes a conventional deviator comprising a mirror rotating about a main axis at the center of a ring of reflective facets. A thin beam directed along...
5384453 Bar code scanner with a scanning pattern divider  
A bar code scanner, comprising a scanning pattern generator for deflecting a laser beam produced by a laser source so as to generate a scanning pattern in a scanning plane, further comprises a...
5331143 Optical scanner using an axicon and an aperture to aspherically form the scanning beam  
The use of linear axicons or similar optical elements in a bar code scanner produces a scanning spot of a size correlated generally with dimensions of features of the scanned information, wherein...
5321246 Bar code scanner with RF coupling to base terminal and automatic turn-off upon decode  
A scanning head for reading bar code symbols includes a laser source producing a beam which is scanned across a symbol to be read by a moving mirror arrangement, and a photodetector responsive to a...
5314336 Toy and method providing audio output representative of message optically sensed by the toy  
A child places a specially marked object in front of a toy capable of recognizing the marks on the object and being able to articulate a word, phrase or sentence in response to the markings. This...
5272325 Scanning device for symbol codes  
Scanning device for optically scanning symbol codes, such as bar codes, the device comprising a laser source for producing a scanning beam, a first lens for focussing the scanning beam, a detector...
5206492 Bar code symbol scanner with reduced power usage to effect reading  
Electrical power consumption is saved in a low-cost scanner for reading bar code symbols by oscillating one of the scanner components either by mechanical power alone or by a low-power electrical...
5200599 Symbol readers with changeable scan direction  
The scan direction of at least one scan line is changeable in a scanner for reading bar code symbols by selectively reversing a drive.
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...
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...
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...
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...
5013899 Scanning system having low quiescent current scanning mirror motor driver circuitry  
A microprocessor-controlled scanning system having a scanning element which is driven by a three-phase DC motor has low quiescent current motor driver circuitry. A bus driver chip normally used to...
5004916 Scanning system having automatic laser shutdown upon detection of defective scanning element motion  
A scanning system having a motor-driven scanning element automatically shuts down a scanning laser when the motor is either inoperative or operating below a safe speed. A microprocessor already...
4971410 Scanning and collection system for a compact laser  
A self-contained optical scanning unit for use in a bar code scanner includes a motor driven hollow drive shaft through which is projected a laser light beam from a laser source positioned adjacent...
4871904 Multidirectional optical scanner  
A multidirectional scan pattern is generated by two mirrors, each inclined at a tilt angle and rotated about an axis at an angular speed. The size and shape of the pattern are controlled by...
4870274 Laser scanner with rotating mirror and housing which is transparent to the scanning radiation  
A scanning has a spinning mirror and an array of peripheral stationary mirrors which generate a scan pattern for reading bar codes. The backscatter from the bar code is collected by the peripheral...
4792666 Bar code reader with compensation for signal variation on different scan lines  
A method and apparatus for obtaining a more uniform output signal strength among various scan lines of a multiple scan line laser bar code reader involves switching of the gain level in the return...
4783588 System for charging and/or discharging X-ray film sheets into and/or from cassette, and a cassette for use in the system  
An apparatus for automatic charging and discharging an X-ray film sheet into a cassette includes a bar code reader having an illumination device and a rotary scanning mirror. The cassette is...
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...
4007377 Optical scanning system for universal product code  
A scanning system for supermarket check-out counters or the like, in which a package bearing the universal product code symbol is passed over a scanning window where the code symbol is scanned by a...
3988573 Three line scanner for bar code symbols  
An optical scanner is disclosed for reading of optical bar codes of the type used for point-of-sale data acquisition. The optical scanner provides a 3-line scan pattern adapted for omnidirectional...
3978317 Optical bar code reader  
An optical reader including a plurality of fixed mirrors disposed on an imaginary circumference, a light source for emitting a light beam, a rotating mirror receiving the light beam from the light...
3931524 Scanning apparatus  
There is disclosed apparatus for scanning a concave coded record which is adapted to be disposed in the inside of an open-ended tube. A rotor carries a source of illumination which illuminates the...
Matches 51 - 90 out of 90 < 1 2