Patents Represented by Law Firm Stevens, Davis, Miller & Mosher
  • Patent number: 7316030
    Abstract: The present invention provides a method for authenticating at least one Personal Security Device PSD (1040) vis-ô-vis at least a first Remote Computer System (1050) over a first network (1045) using at least one Client (1010) as a host to said at least one PSD (1040), said method comprising the steps of: a) establishing at least one communications pipe (1075) over said first network (1045) between said at least one PSD (1040) and said at least first Remote Computer System (1050); and b) running a challenge/response process between said Remote Computer System (1050) and said at least one PSD (1040) through said at least one communications pipe (1075).
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: January 1, 2008
    Assignee: Activcard Ireland, Limited
    Inventors: Yves Louis Gabriel Audebert, Olivier Clemot
  • Patent number: 7313077
    Abstract: A ratio of an erase current and a peak current when starting recording is defined as K=iER/iPK (S1), and iER11 is set equal to K×iPK1, and an ideal value iER11 of an erase current that should be increased according to a temperature change is determined (S2). A value obtained by subtracting a current iBT at a bottom level emission intensity when starting recording from a current at an erase level emission intensity after the temperature rises is defined as iER1. By measuring this iER1, an ideal value iER11 of the erase current is subtracted from iER1, and the resultant current is defined as iBT11 (S3). This iBT11 is set as an adjustment value of the bottom current, and a value obtained by adding this adjustment value to a bottom current when starting recording is set as a bottom current after change.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: December 25, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Eisuke Ishibashi, Yasuhiro Wada, Shinya Shimizu, Toshiya Akagi
  • Patent number: 7310213
    Abstract: A overheat protection circuit is formed on the same semiconductor substrate as a power MOS FET is formed on.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: December 18, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Kouji Takada
  • Patent number: 7305818
    Abstract: A first range of operation for an accumulator catalyst in a vehicle is carried out in a poor operating mode when the engine is supplied with a lean mixture and nitrogen oxide contained in the exhaust gas is stored in the accumulator catalyst for nitrogen dioxide. In order to remove nitrogen dioxide from said accumulator catalyst for nitrogen dioxide at a determined switching moment when a given switching condition is achieved, an engine control unit switches the poor-operating mode into a rich operating mode.
    Type: Grant
    Filed: January 17, 2004
    Date of Patent: December 11, 2007
    Assignee: Audi AG
    Inventor: Bodo Odendall
  • Patent number: 7308442
    Abstract: In order to acquire answer information to be searched from a large amount of question information, there is provided an FAQ search engine which can acquire an appropriate term and acquire appropriate information by using the term as a search keyword. It comprises a document of describing a search keyword, a terminal unit for acquiring the search keyword from the document and inputting the search keyword, a database which has a keyword group consisting of search keywords obtained by adding numbers to the keywords described in the document, and an FAQ data group for managing FAQ data relevant to the numbers, a number acquisition portion for acquiring the number corresponding to the provided search keyword out of the keyword group, a data extract portion for acquiring FAQ data corresponding to the number acquired from the number acquisition portion out of the FAQ data group, and an FAQ display portion for displaying the FAQ data on the terminal unit.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: December 11, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Midori Takahashi, Jiro Miyake, Shinobu Kanda
  • Patent number: 7308052
    Abstract: A wireless transmission apparatus that can accurately select an optimal modulation scheme on a per block basis in a multi-carrier communication system in which block division of subcarriers and adaptive modulation are performed. In this wireless transmission apparatus, a propagation path characteristics acquisition section (107) acquires the average SNR and SNR dispersion for each block, which are estimated by a wireless reception apparatus (200), using received signals inputted from a reception RF section (106) and outputs these to an assignment section (108), the assignment section (108) selects a modulation scheme for each block based on the average SNR and SNR dispersion of each block inputted from the propagation path characteristics acquisition section (107), and modulation sections (101-1, 101-2, . . . , 101-L) modulate multi-carrier signals included in each block, with the modulation scheme for each block selected by the assignment section (108).
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: December 11, 2007
    Assignee: Matsushita Electrical Industrial Co., Ltd.
    Inventors: Jun Cheng, Kenichi Miyoshi
  • Patent number: 7307944
    Abstract: A despreading and RAKE combining section despreads a data portion using all spreading codes and RAKE combines the despread signal. An average value calculating section calculates RAKE output average power values of all spreading codes from the RAKE combining result. A threshold setting section sets a threshold value based on the RAKE output average values of the plurality of spreading codes allocated to the own station. A spreading code determining section performs threshold determination between a RAKE output average value obtained from the spreading codes, excepting the spreading codes allocated to the own station, and determines the spreading code, which corresponds to the RAKE output average value exceeding the threshold value, as the spreading code multiplexed into the received signal. This makes it possible to accurately estimate the spreading codes multiplexed into the received signal.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: December 11, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuyoshi Naka, Akihiko Nishio
  • Patent number: 7305033
    Abstract: The present invention discloses a method of encoding and decoding motion picture, a motion picture encoding device and a motion picture decoding device, which enables high-efficiency coding capable of avoiding the occurrence of any block distortion. According to the present invention, motion estimation and motion compensation are performed based on patches divided according to the textural characteristics, in combination with global motion compensation of unpredicted regions for unintentional non-prediction, which partially changes between the key frames to deal with double-image or frame-out problems.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: December 4, 2007
    Assignees: Telecommunications Advancement Organization of Japan, Victor Company of Japan
    Inventor: Kunio Yamada
  • Patent number: 7305285
    Abstract: A piloting device may include a section for generating control orders for the control surfaces acting on the yaw movement of an aircraft. A central unit determines an instruction to rotate the aircraft, based on control orders, and determines a global moment to be applied to the aircraft about the yaw axis so that the aircraft performs the rotation instruction. The central unit divides the global moment into a sum of elementary moments and computes, for each control surface, the instruction to be applied to its actuator so that the latter generates the associated elementary moment.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: December 4, 2007
    Assignee: Airbus France
    Inventors: Fabrice Villaume, Jean Duprez
  • Patent number: 7301864
    Abstract: To provide an optical pickup device and optical disk device capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser. An optical pickup device comprising light sources for respectively emitting a plurality of different wavelengths of light, unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: November 27, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shogo Horinouchi, Takashi Haruguchi, Taiichi Mori, Hideki Yoshinaka, Nobuyuki Tokubuchi, Shin Ishibashi, Hitoshi Asahi
  • Patent number: 7302240
    Abstract: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: November 27, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hisao Koga, Nobutaka Kodama, Taisuke Konishi
  • Patent number: 7302275
    Abstract: A communication apparatus (100), when synchronization of a received signal is established, performs transmit power control using a transmit power value obtained by closed-loop transmit power control by a transmit power control circuit (201), and when the synchronization of the received signal is out, controls a current transmit power value to gradually return over a predetermined period to a transmit power value determined at a timing closest to the current timing from among past reliable transmit power values determined when the synchronization was established.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: November 27, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Daisuke Yamada
  • Patent number: 7300897
    Abstract: A low temperature sintering ceramic composition can be sintered at 850 to 1,000° C., and the sintered ceramic has a low dielectric constant (9 or less at 16 Ghz or more) and a high Qf (10,000 or more). The composition can be co-sintered with wiring material containing Ag, Au, or Cu. The ceramic composition includes (by mass) CaO, MgO, and SiO2 in total: over 60% to 98.6%; Bi2O3: from 1% to under 35%; and Li2O: from 0.4% to under 6%; wherein (CaO+MgO) and SiO2 are contained in the molar ratio of from 1:1 to under 1:2.5.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: November 27, 2007
    Assignee: Nikko Company
    Inventors: Naoki Kidani, Kiyoshi Mizushima, Mikio Takimoto
  • Patent number: 7298692
    Abstract: MS receives a downlink signal transmitted based on a guard interval determined using a delay profile with high accuracy generated based on a CDMA uplink signal, and performs Fourier Transform processing on a preamble portion of the downlink signal to demodulate. Transmission parameters (guard interval, subcarrier frequency interval and the number of subcarriers) contained in the preamble portion are extracted and output to Fourier Transform section 303. The section 303 performs Fourier Transform processing on a data portion based on the extracted transmission parameters. Demodulation section 304 demodulates signals subjected to the Fourier Transform processing to output as received data. It is thereby possible to generate the delay profile with high accuracy to determine the guard interval, and to ensure transmission quality while improving the spectral efficiency.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: November 20, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuhiko Hiramatsu, Kenichi Miyoshi, Atsushi Sumasu
  • Patent number: 7299027
    Abstract: A Multi-Input/Multi-Output (MIMO) receiver may include a plurality of receiving antennas that receive a plurality of radio signals and an estimation section that finds channel estimation values of the plurality of radio signals. A MIMO separation section separates, using a MIMO scheme, the plurality of radio signals in accordance with the channel estimation values, and a compensation section compensates for channel variations of the plurality of radio signals. A selection section selects one of the MIMO separation section and the compensation section.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: November 20, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Hiroaki Sudo
  • Patent number: 7298977
    Abstract: The present invention is intended to prevent a light-emitting diode from emitting light continuously in the case when the level at an input terminal is fixed high because of software or the like and to avoid various problems, such as battery exhaustion and breakdown of the light-emitting diode, in PDAs, cellular phones, etc. For these purposes, a high-pass filter 21 for passing the high-frequency components of an optical transmission input signal having a pulse waveform and a binary circuit 22 for binarizing the output signal of the high-pass filter 21 so as to be returned to a pulse waveform are provided in the preceding stage of a light-emitting device driving circuit 23 for driving a light-emitting diode 8 for optical transmission.
    Type: Grant
    Filed: November 28, 2002
    Date of Patent: November 20, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuichi Ohsawa, Toyoyuki Shimazaki, Tetsuo Chato, Yuzo Shimizu, Kenji Imaizumi
  • Patent number: 7299026
    Abstract: From a delay profile, path selectors 105a˜105n discard the signals other than those corresponding to valid paths, such as noise, output the channel values, which are obtained through the selection of valid paths alone, to JD decoder 106, and output the received levels of the valid paths to multipliers 108a˜108n. JD decoder 106 performs joint detection operation and multiplies the operation result by a received signal that is output from delayer 103. Allocator 107 separates the soft decision data of individual users on a per user basis. Multipliers 108a˜108n multiply outputs of JD decoder and received levels output of path selectors 105a˜105n. Error correction decoder 109a˜109n performs the hard decision of the soft decision data so as to obtain each user's demodulation data.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: November 20, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd
    Inventor: Masaki Hayashi
  • Patent number: 7298722
    Abstract: When transmission is performed using the OFDM-CDMA method, subcarriers #1 through #m, #2m+1 through #3m, #3m+1 through #4m, and #4m+1 through #5m in which spread signals are allocated only in the frequency axis direction, and subcarriers #m+1 through #2m in which spread signals are allocated in both the frequency axis direction and the time axis direction, are formed, and these are transmitted simultaneously.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: November 20, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Hiroaki Sudo
  • Patent number: 7297411
    Abstract: Wood products, specifically wood commonly used in construction including dimension lumber, pressure treated pine, composite wood materials such as plywood, particle board, and wafer board, and samples of paper and fabric were variously treated with concentrations of sodium silicate (Na2OSiO2) also known as water glass. Cellulosic materials including dimension lumber, plywood, particle board, wafer board, paper, and fabric were treated with sodium silicate (Na2O.SiO2) in concentrations ranging from 400-0.04 g Na2O.SiO2/kg water. To overcome the disadvantages of sodium silicate, sodium silicate treated samples were further treated to convert the water soluble sodium silicate to a water insoluble form, thereby overcoming the disadvantages of water solubility. and rendering the material effective for internal and external uses.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: November 20, 2007
    Inventors: Karen M. Slimak, Robert A. Slimak
  • Patent number: 7296081
    Abstract: Without RTP receiver 106 receiving a BYE packet, end time determiner 111 takes into consideration packet loss information from packet loss monitor 110 and the situation regarding RTP packet reception from RTP receiver 106, and determines media transmission from the server is completed, and instructs control command transmitter-receiver 109 to stop the media, provided that the situation where there has been no packet loss and no RTP packet has been received. Moreover, where RTP receiver 106 does not receive data, the end of media is not determined if a packet loss has occurred in a lower layer.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: November 13, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Daiji Ido