| Patent Number |
Title Of Patent |
Date Issued |
| RE37635 |
System for enabling decoding of bar code and other symbols with a digital microcomputer connecte |
April 9, 2002 |
| A scanner communicates with a microcomputer over a serial communications link utilizing the serial I/O port of the microcomputer. Both signals representing the data which is scanned and signals representing commands to the scanner and commands from the scanner indicative of the status |
| D388075 |
Bar code scanner |
December 23, 1997 |
|
| D377348 |
Optical scanner |
January 14, 1997 |
|
| D377347 |
Optical scanner |
January 14, 1997 |
|
| D377346 |
Optical scanner |
January 14, 1997 |
|
| D377345 |
Optical scanner |
January 14, 1997 |
|
| D376357 |
Combined portable data processing device handle and built-in laser bar code reader |
December 10, 1996 |
|
| D375493 |
Optical scanner |
November 12, 1996 |
|
| D374869 |
Hand-held scanner for reading optical indicia |
October 22, 1996 |
|
| D374630 |
Template for hexagonal code symbol area |
October 15, 1996 |
|
| D372234 |
Hand-mounted optical scanner |
July 30, 1996 |
|
| D361565 |
Hand-held optical scanner |
August 22, 1995 |
|
| D358588 |
Hand-held optical scanner |
May 23, 1995 |
|
| D352939 |
Optical scanner |
November 29, 1994 |
|
| D352938 |
Optical scanner |
November 29, 1994 |
|
| D352937 |
Optical scanner |
November 29, 1994 |
|
| D352936 |
Optical scanner |
November 29, 1994 |
|
| D350735 |
Bar code scanner |
September 20, 1994 |
|
| D349109 |
Hand held bar code scanner |
July 26, 1994 |
|
| 6923377 |
PCMCIA interface card for coupling input devices such as barcode scanning engines to personal di |
August 2, 2005 |
| A variety of PC card interfaces to interface from many different types of input devices to Personal Digital Assistants or palmtop computers through PCMCIA slots. The disclosed interfaces can receive data in undecoded format from laser based, wand based or CCD based barcode scanning engin |
| 6426838 |
Polarization dependant multi-focus optical system |
July 30, 2002 |
| An optical element has a coating thereon to reflect energy, such as light, of a first polarization into a first focus zone and to allow energy, such as light, of a second polarization orthogonal to the first polarization, to reach a second optical element. The second optical element, whi |
| 6311895 |
Optical reader with condensed CMOS circuitry |
November 6, 2001 |
| An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a dedicated pixel-site circuit. Charge is accumulated at each pixel location transferred upon |
| 6296187 |
CCD-based bar code scanner |
October 2, 2001 |
| A bar code scanning system for a conveyor system includes a CCD camera that writes data to a memory. Data is stored in the memory as a two-dimensional image at periodic time frames based on scanning by the CCD camera. Data is written out of the memory by a controller, to create a virtual |
| 6276605 |
Optical reader with condensed CMOS circuitry |
August 21, 2001 |
| An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a dedicated pixel-site circuit. Charge is accumulated at each pixel location transferred upon |
| 6257490 |
CCD-based bar code scanner |
July 10, 2001 |
| A bar code scanning system for a conveyor system in which a first conveyor and a second conveyor are disposed apart from each other by a small gap region. A light emitting device is positioned in the gap underneath a top surface of the first and second conveyors, and the light emitting d |
| 6230975 |
Optical reader with adaptive exposure control |
May 15, 2001 |
| An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a dedicated pixel-site circuit. Charge is accumulated at each pixel location transferred upon |
| 6173894 |
Optical reader with addressable pixels |
January 16, 2001 |
| An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a dedicated pixel-site circuit. Charge is accumulated at each pixel location transferred upon |
| 6155488 |
Optical reader with adaptive exposure control |
December 5, 2000 |
| An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a dedicated pixel-site circuit. Charge is accumulated at each pixel location transferred upon |
| 6152368 |
Optical reader with addressable pixels |
November 28, 2000 |
| An optical or symbol reader including CMOS circuitry preferably integrated on a single chip. A CMOS optical reader chip comprises a CMOS imaging array having a plurality of pixels each with a dedicated pixel-site circuit. Charge is accumulated at each pixel location transferred upon |
| 6137577 |
Method and apparatus for measuring dimensions of objects on a conveyor |
October 24, 2000 |
| A method and apparatus for measuring the length, width, and height of rectangular solid objects moving on a conveyor. The apparatus includes a light curtain, two laser triangulation range finders, and a pulse tachometer mounted on a frame around a conveyor. As an object is conveyed t |
| 6045044 |
Method and apparatus for reducing bandwidth limited noise in bar code scanner |
April 4, 2000 |
| A bar code scanner system includes a laser light source that periodically produces a light beam that is swept across a bar code label. The laser light source is periodically turned "on" and "off" according to a duty cycle. A detector produces a first electric signal representative of |
| 6024284 |
Wireless bar code scanning system |
February 15, 2000 |
| A wireless scanning system for a bar code scanner and a personal computer. The bar code scanner sends raw bar code data via a wireless connection to the personal computer. The personal computer decodes the raw bar code data, and sends the digitized version of the raw bar code data to a |
| 6006991 |
Method and apparatus for reading both of standard and fluorescent bar codes |
December 28, 1999 |
| A bar code label scanning system comprises a light source for producing a light beam at a first wavelength which is swept across a bar code. Light from the bar code is passed through a filter for attenuating light scattered from said bar code to approximately a level of light emitted |
| 5991041 |
Method and apparatus for measuring dimensions of objects on a conveyor |
November 23, 1999 |
| A method and apparatus for measuring the length, width, and height of rectangular solid objects moving on a conveyor. The apparatus includes a light curtain, two laser triangulation range finders, and a pulse tachometer mounted on a frame around a conveyor. As an object is conveyed t |
| 5984186 |
CCD-base bar code scanner |
November 16, 1999 |
| A bar code scanning system for a conveyor system in which a first conveyor and a second conveyor are disposed apart from each other by a small gap region. A light emitting device is positioned in the gap underneath a top surface of the first and second conveyors, and the light emitting d |
| 5979769 |
Combination range laser scanner utilizing periodic range switching |
November 9, 1999 |
| A combination range optical scanner includes a short distance laser and a long distance laser. A scan mirror is oscillated by a motor and scans a beam from one of the two lasers across a field of view. A controller turns the two lasers on and off such that both a short distance scan and |
| 5959284 |
Bar code reading and data collection unit with ultrasonic wireless data transmission |
September 28, 1999 |
| A bar code scanner includes aseparate transmitter and receiver, each being able to ultrasonically transmit and receive data, respectively. The receiver transmits an acknowledgement signal when a protocol is received, and sends the acknowledgement signal to the transmitter which, unless i |
| 5923428 |
Method and apparatus for measuring dimensions of objects on a conveyor |
July 13, 1999 |
| A method and apparatus for measuring the length, width, and height of rectangular solid objects moving on a conveyor. The apparatus includes a light curtain, two laser triangulation range finders, and a pulse tachometer mounted on a frame around a conveyor. As an object is conveyed t |
| 5907147 |
Non-contact actuated trigger apparatus for bar code laser scanner |
May 25, 1999 |
| The system, which is especially suitable for use as a bar code scanner trigger which allows for hands-free scanner operation and non-contact triggering of the scanner by the operator, in one embodiment, comprises a switch and a switch actuator, with the switch mounted proximate to a |
| 5883370 |
Automated method for filling drug prescriptions |
March 16, 1999 |
| An automated prescription filling system which assists the physician in providing a prescription and/or assists he pharmacist in filling a prescription in which the physician enters prescription information into his/her computer by which a bar coded prescription may be printed out. The |
| 5864129 |
Bar code digitizer including a voltage comparator |
January 26, 1999 |
| A digitizer for a barcode scanner includes an amplifier and a comparator. The amplifier receives a feedback signal and a differentiated return signal on a first port, and a reference voltage signal on a second port. Based on a difference between voltages on the first and second ports, th |
| 5852286 |
Method and apparatus for reducing bandwidth limited noise in bar code scanner |
December 22, 1998 |
| A bar code scanner system includes a laser light source that periodically produces a light beam that is swept across a bar code label. The laser light source is periodically turned "on" and "off" according to a duty cycle. A detector produces a first electric signal representative of |
| 5837983 |
Readability monitoring system for optical codes |
November 17, 1998 |
| An apparatus and method for monitoring and reporting optical symbol readability and operator and reader performance levels. The apparatus includes a reader for optical symbols which measures and reports the values of measurements with respect to the symbol and events occurring during |
| 5834750 |
Bar code scanning system for automatically maintaining constant the amplitude of light reflected |
November 10, 1998 |
| A system for bar code reading and scanning is provided having automatic bar code signal size control. In the first embodiment of the system, a processor selects on successive scans of a bar code one of a plurality of different optical power levels from a laser diode which provides a ligh |
| 5825009 |
Wireless bar code scanning system |
October 20, 1998 |
| A wireless scanning system for a bar code scanner and a personal computer. The bar code scanner sends raw bar code data via a wireless connection to the personal computer. The personal computer decodes the raw bar code data, and sends the digitized version of the raw bar code data to a |
| 5822343 |
Operating and control system for lasers useful in bar code scanners |
October 13, 1998 |
| In order to set the output optical power of a laser diode precisely and under digital control without expensive digital to analog conversion devices, a digital controller provides a sequence of pulses. A capacitor is charged by these pulses to produce a control voltage which controls the |
| 5821721 |
Motor control system especially for control of an optical scanner |
October 13, 1998 |
| A light beam, which scans in opposite directions across a bar code, is controlled in velocity and scan angle by monitoring the voltage across a winding of a motor, such as one of the phase windings of a two phase stepper motor, which causes the beam to scan across a field of view where |
| 5814804 |
Optical scanner activated with position locator |
September 29, 1998 |
| A bar code scanning engine is disposed in a housing with a device that tracks the movement of the housing over a surface displaying symbols, such as bar codes, and provides an integrated bar code reading and locating assembly, commonly known as a mouse. When the mouse is in proximity to |
| 5804809 |
Optical system for scanning and reading bar codes which is adapted to be configured in a hand he |
September 8, 1998 |
| A unitary hand-held bar code scanner and reader produces an elliptical beam, oriented with its major axis along the direction of the bars, utilizing optics employing far field diffraction effects to shape the beam and maintain its elliptical aspect (length to width ratio) constant over a |
| 5796222 |
System for driving and controlling the motion of an oscillatory electromechanical system especia |
August 18, 1998 |
| A computerized control system for driving an rotor which can carry a laser or a beam deflecting mirror and is actuated by a coil thereon electromagnetically coupled to a fixed magnet or a stepper motor coil. The rotor can be part of an electromechanical oscillatory system supported by |
