Patents Examined by Mark Tremblay
  • Patent number: 6315203
    Abstract: A bar code reader includes a semiconductor laser diode as a source of an elliptical shape divergent laser beam and a shaping section for shaping the elliptical shape divergent laser beam to provide a shaped laser beam in the form of a circular shape collimating laser beam. A distance measuring section measures a distance to a bar code label and generates a distance information signal. A temperature sensor is attached to a casing of the shaping section. The temperature sensor detects the ambient temperature and generates a temperature information signal. A focal position controlling section conducts a focal position control in response to the distance information signal and the temperature information signal so that the shaped laser beam will have its focal position on the bar code label. A scanning section lights the bar code label with the shaped laser beam that has been subjected to the focal position control.
    Type: Grant
    Filed: August 25, 1998
    Date of Patent: November 13, 2001
    Assignee: NEC Corporation
    Inventors: Kenichi Ikeda, Kazuo Ishii
  • Patent number: 6311895
    Abstract: 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 demand to a common bus. In a preferred embodiment, exposure time of the imaging array is controlled using a feedback loop. One or more exposure control pixels are positioned adjacent to or within the imaging array and receive light along with the imaging array. The charge of the exposure control pixel or pixels is measured against a threshold level, and the amount of time taken to reach the threshold level determines the time exposure of the pixels of the imaging array. CMOS signal processing circuitry is employed which, in combination with the exposure control circuitry, minimizes time-to-read over a large range of light levels, while performing spatially optimal filtering.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: November 6, 2001
    Assignee: PSC, Inc.
    Inventors: Bryan L. Olmstead, James E. Colley
  • Patent number: 6302329
    Abstract: A digital information recording carrier has a planar recording surface having an information recording area in which meshes corresponding to bits are virtually set in a matrix form, each mesh being provided with an optically recognizable mark corresponding to digital information so that the digital information is recorded in the information recording area as a two-dimensional pattern. The carrier also has specific patterns each consisting of a plurality of meshes which are linked together and which are given marks in a given pattern. Some of the specific patterns are placed in an inner portion apart from a perimeter of the information recording area.
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: October 16, 2001
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Toshiyuki Iwai, Atsushi Aoki, Masahiro Esashi, Hiroaki Niwamoto, Norimasa Yamaguchi, Tsukasa Kaminokado
  • Patent number: 6293469
    Abstract: A system for issuing printed documents exchangeable for value having interconnected printer and feeder modules. The printer module includes a printing station having a printhead supported for reciprocal movement in a direction transverse to the path of movement of the print medium. A sensor carried by the printhead is operative to sense and read preprinted indicia on the print medium. The feeder module includes a receptacle for storing the print medium as a continuous form. A slot is provided for enabling the insertion of print media external to the feeder module. A gate mechanism blocks the feed slot under predetermined operating conditions. A first drive mechanism is operative to feed the print medium from the receptacle towards the printing station. A severing mechanism is operative to sever the lead document from the supply. A severing sensor detects failure of the severing mechanism.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: September 25, 2001
    Assignee: DH Technology Inc.
    Inventors: Bernard V. Masson, David J. Walson, Robert J. Brice, Robert M. Yraceburu, Russel H. Marvin, Michael V. Fell, Paul J. Vogt, Earney Stoutenburg, Dan R. Carrington
  • Patent number: 6283371
    Abstract: A laser diode module of an optical scanner includes a circuit board; a case fastened to the circuit board after its position is adjusted, the case having a laser diode embedded therein; and a slider guide fastened to the case. The slider guide has a barrel shaped; upwardly directed guide surface and a pair of further guide surfaces which are formed at either side of the barrels shaped surface. The three guide surfaces extend generally parallel to a laser beam produced by the diode. A lens holder having a body and a pair of guide pieces is seated on the barrel shaped guide surface of the slider guide such that it can slide thereon is formed with an inserting hole. The pair of guide pieces are on either side of the body and are seated on the pair of further guide surfaces of the slider guide, respectively.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: September 4, 2001
    Assignee: Samsung Electro-Mechanics Co., LTD
    Inventor: Sang Eun Son
  • Patent number: 6283369
    Abstract: A control circuit receives data input by the user through an operable monitor, attaches a data-encoding instruction to the input data, and supplies the instruction-attached input data to an IC card reader/writer. Upon receiving the instruction-attached input data, the IC card reader/writer reads encoding key data stored in an IC card, thereby encoding the data and returning it to the control circuit. The control circuit, in turn, modifies the returned encoded data in the form of communicable data, and supplies a communication circuit with the modified encoded data and an instruction to transmit the data. Upon receiving the modified encoded data and instruction, the communication circuit transmits the modified encoded data to a host computer via a communication line.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: September 4, 2001
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masanori Kurokawa, Toshiyuki Kawagishi
  • Patent number: 6276605
    Abstract: 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 demand to a common bus. In a preferred embodiment, exposure time of the imaging array is controlled using a feedback loop. One or more exposure control pixels are positioned adjacent to or within the imaging array and receive light along with the imaging array. The charge of the exposure control pixel or pixels is measured against a threshold level, and the amount of time taken to reach the threshold level determines the time exposure of the pixels of the imaging array. CMOS signal processing circuitry is employed which, in combination with the exposure control circuitry, minimizes time-to-read over a large range of light levels, while performing spatially optimal filtering.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: August 21, 2001
    Assignee: PSC, Inc.
    Inventors: Bryan L. Olmstead, James E. Colley
  • Patent number: 6257491
    Abstract: An integrated optical module for an optical scanner has a lens spaced from a vertical-cavity surface-emitting laser (VCSEL) by a spacer of defined dimensions. The module, in an alternative embodiment, includes a wafer frame, a suspended mirror mounted for oscillation on the frame, a wafer substrate bonded beneath the frame and a wafer cover bonded above the frame. The cover includes a mirror travel stop to protect the mirror against shocks. A VCSEL mounted to the wafer cover produces a beam which is shaped and deflected by a diffractive optical element onto the oscillating mirror. The reflected beam passes out of the module toward an indicia to be read. Large numbers of such devices may be fabricated relatively cheaply using wafer-scale processing and assembly technology. Three large wafers are fabricated corresponding respectively to arrays of substrates, frames and covers. The large wafers are bonded together in a sandwich arrangement, and are then diced to produce the individual scan modules.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: July 10, 2001
    Assignee: Symbol Technologies, Inc.
    Inventors: Chinh Tan, Miklos Stern, Henry Grossfeld, Paul Dvorkis, Peter Fazekas
  • Patent number: 6237850
    Abstract: A bar code reader including a transmitter made up of a light source, a vibrating mirror which scans bar codes using a light beam from the light source and collects light reflected by the bar codes, a receiver made up of a light sensor which converts the reflected light that is collected into electrical signals, and a decoder which converts the coded data into data characters, wherein provision is made of a vibration angle adjuster, and the angle of vibration of the vibrating mirror is changed in order to increase or decrease the scanning region of the laser beam for the bar codes.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: May 29, 2001
    Assignee: Fujitsu Limited
    Inventor: Masaru Kito
  • Patent number: 6234391
    Abstract: A smart-card reader that includes a base, a first group of contact elements, a cover, a second group of contact elements and connecting means is disclosed. The smart-card reader can be readily soldered into a printed circuit board of a customer to be used in an apparatus in which the smart card reader is located.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: May 22, 2001
    Assignee: Amphenol-Tuchel Electronics GmbH
    Inventors: Manfred Reichardt, Bernd Schuder
  • Patent number: 6230977
    Abstract: A credit or smart card reader for processing bent, bowed, or warped credit or smart cards. A standard reader has an insertion slot for inserting a card to be read and processed. A normal, undamaged card is inserted into a slot provided in the insertion slot. The normal card travels along a processing path contacting a supporting card ramp. A bent, bowed, or warped credit or smart card, however, misses the supporting card ramp and is confiscated. A deflection guide in accordance with this invention is provided for redirecting the deformed card into the processing path.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: May 15, 2001
    Assignee: Axiohm Transaction Solutions, Inc.
    Inventor: James Johnson
  • Patent number: 6230971
    Abstract: A transaction-oriented electronic accommodation system includes an IC card storing electronic monetary information and an identification number, an IC card read/write unit for reading and/or writing information in/from the IC card, a key control unit for controlling locking and unlocking of a door of the article receiving/housing unit, an identification number storing unit for storing identification number of the IC card, an amount-of-money information storing unit for storing amount-of-money information, a collating unit for collating the identification number stored in the identification number storing unit with the identification number read out from the IC card, and a line control unit for transferring the electronic monetary information via transmission line. For utilizing the article receiving/housing unit, the IC card is inserted, whereby the article receiving/housing unit is locked.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: May 15, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Kenji Matsumoto, Shigeyuki Itoh, Misuzu Nakano, Akira Kanehira, Masaaki Hiroya
  • Patent number: 6230975
    Abstract: 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 demand to a common bus. In a preferred embodiment, exposure time of the imaging array is controlled using a feedback loop. One or more exposure control pixels are positioned adjacent to or within the imaging array and receive light along with the imaging array. The charge of the exposure control pixel or pixels is measured against a threshold level, and the amount of time taken to reach the threshold level determines the time exposure of the pixels of the imaging array. CMOS signal processing circuitry is employed which, in combination with the exposure control circuitry, minimizes time-to-read over a large range of light levels, while performing spatially optimal filtering.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: May 15, 2001
    Assignee: PSC, Inc.
    Inventors: James E. Colley, Bryan L. Olmstead
  • Patent number: 6223991
    Abstract: Process for reclaiming storage spaces in a microcircuit card when they are no longer used by the references of the system. Each storage space (EM1-EM4) is provided with a header (E1-E4) containing a number of references representative at any moment of a plurality of references requesting the data of the corresponding storage space. The headers form the object of chaining (Ch) and a storage space the number of references of which has been reduced to zero can be re-allocated. Under certain conditions, available and adjacent storage spaces can be merged.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: May 1, 2001
    Assignee: De la rue Cartes et Systemes
    Inventors: Olivier Chamley, Isaac-Jacques Soussana
  • Patent number: 6220510
    Abstract: A multi-application IC card which processes two or more applications using an Application Abstract Machine architecture. The AAM architecture only allows one application to be executed at a time and allows for shared processing by performing a delegation function to a second application. A data space for each application is allocated when the application is selected to be executed. The data space includes a volatile and non-volatile region. The delegation function temporarily interrupts the execution of the first application, saves the temporary data of the first application, shares any data needed with the second application and the second application is executed until the delegated task is competed. The first application then retrieves the saved data and completes its execution. A delegator stack is used to keep track of the delegator's identity when multiple delegations occur. The AAM model allows for a high level of security while transferring data between applications.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: April 24, 2001
    Assignee: Mondex International Limited
    Inventors: David Barrington Everett, Stuart James Miller, Anthony David Peacham, Ian Stephen Simmons, Timothy Philip Richards, John Charles Viner
  • Patent number: 6220516
    Abstract: The present invention teaches a method of manufacturing an enclosed transceiver, such as a radio frequency identification (“RFID”) tag. Structurally, in one embodiment, the tag comprises an integrated circuit (IC) chip, and an RF antenna mounted on a thin film substrate powered by a thin film battery. A variety of antenna geometries are compatible with the above tag construction. These include monopole antennas, dipole antennas, dual dipole antennas, a combination of dipole and loop antennas. Further, in another embodiment, the antennas are positioned either within the plane of the thin film battery or superjacent to the thin film battery.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: April 24, 2001
    Assignee: Micron Technology, Inc.
    Inventors: Mark E. Tuttle, John R. Tuttle, Rickie C. Lake
  • Patent number: 6213394
    Abstract: A visual (e.g. liquid crystal) screen displays a sequence of graphics presentations and a specific event. The graphics sequence (e.g. visual representations of products in a market) has a display priority except when the specific event occurs. The specific event may be in graphics or alphanumeric form and related or unrelated to the graphics sequence. When the specific event has been displayed, the graphics sequence has priority again. In one embodiment, the specific event may be products identified and priced at a checkout counter by a bar code scanner or a keyboard. This information is processed alphanumerically. The processed information is displayed on the screen until the transaction completion (e.g. total purchase price is displayed). After a designated (e.g. 30 seconds) time following the purchase price display, the sequence of graphics presentations resumes display priority.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: April 10, 2001
    Assignee: Industrial Electronic Engineers, Inc.
    Inventors: Erick P. Schumacher, Robert J. Freiberg, Larry D. Hatch, Kevin D. Quitt, Koashin Wu
  • Patent number: 6206289
    Abstract: A scanner can read machine-readable code on an object. A scanner has a scanning device, a data device, and a registration device. The scanning device can repetitively scan the code and provide a scan signal repetitively corresponding to at least fragments of the code. The data device is coupled to the scanning device and responds to its scan signal for repetitively storing it. The registration device is coupled to the data device for reconstructing the code from at least two of the fragments of the code by relatively shifting the code fragments until they are in registration.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 27, 2001
    Assignee: Accu-Sort Systems, Inc.
    Inventors: Jeffrey G. Sharpe, David A. Wurz
  • Patent number: 6206290
    Abstract: A miniature light beam scanner includes a moving optical element formed on a substrate with electrodes for driving the optical element and sensing its motion as indicated by a varying capacitance between the optical element and the substrate. Control and driver circuitry responsive to the variation in capacitance drives the optical element to move at a resonant frequency and predetermined amplitude.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: March 27, 2001
    Assignee: Symbol Technologies, Inc.
    Inventors: James Giebel, Thomas Mazz, Constanzo DiFazio, Mik Stern, David Goren
  • Patent number: 6199763
    Abstract: A data carrier (1) which can be operated in a contact-bound mode and in a contactless mode and a circuit (1A) for such a data carrier (1) has a.c. detection means (69) for detecting the presence of a useful HF signal (HF) received via a transmission coil (31) and clock signal detection means (73) for detecting a clock signal (CLK1) received via a transmission contact (16), and has logic means (82) which cooperate with the a.c. detection means (69) and the clock signal detection means (73) and which enable the activation of the contact-bound mode (CONTACT) and the activation of the contactless mode (CONTACTLESS) to be initiated.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: March 13, 2001
    Assignee: U.S. Philips Corporation
    Inventors: Peter Thüringer, Wolfgang Eber, Dominik J. Berger