Patents Assigned to Matsushita Electric Industrial Company, Ltd.
  • Patent number: 7237029
    Abstract: A gateway apparatus is provided which connects to appliances via a home network. The gateway apparatus includes means for acquiring appliance panel information indicating panel parts of the appliance and an operational range of the panel parts, and means for memorizing gateway apparatus information indicating whether a control command input to the appliance thorough a network built outside the home. The gateway apparatus further includes means for determining whether or not it is possible to accept the input by making reference to the gateway apparatus information when the control command input is received through the outside network and for producing a control command to the appliance based on the appliance panel information when the acceptance is possible. This makes it possible to perform remote control in a similar feeling obtained in operating a front panel of an actual home appliance. Through the outside network, the home appliance can be controlled with easier operations.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: June 26, 2007
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Tetsuya Hino, Naoto Yamaguchi, Masao Kato
  • Patent number: 7136018
    Abstract: The present invention provides a portable transceiver where a broadband of an antenna characteristic can be realized and efficiency is improved. The present invention provides a portable transceiver includes a first housing (7) having a first circuit board (5) in its inside and an input section at its surface, a second housing (8) having a second circuit board (6) in its inside and a display section at its surface, and a coupling section (4) for electrically coupling the first circuit board (5) with the second circuit board (6). An antenna section (3) and an element section (9) are disposed at one of the circuit boards, and the first housing (7) and the second housing (9) are coupled with each other via a hinge section (2) and can be folded.
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: November 14, 2006
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Akihiko Iguchi, Misako Sakae, Yuki Satoh
  • Patent number: 7100184
    Abstract: A method for rapidly accessing program guide information is described. The method includes displaying program guide information on a grid showing a channel axis and a time axis, with each program positioned at a location in the grid representing a channel of transmission and a corresponding time of transmission. The method includes the steps of: (a) displaying the program guide information; (b) placing a time selection field on the display; (c) highlighting and activating the time selection field; (d) determining a time index in response to the activating step; (e) calculating a new time of transmission for display based on the time index; and (f) displaying the program guide information at the new time of transmission. The time selection field includes a page field, a day field and a date field. The page field is adapted to provide a six-hour time index, the day field is adapted to provide a 24-hour time index, and the date field is adapted to provide a seven-day time index.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: August 29, 2006
    Assignee: Matsushita Electric Industrial Company Ltd.
    Inventor: Michael Kahn
  • Patent number: 6975735
    Abstract: A sound collecting device is provided which is designed to minimize adverse effects on an output caused by exposure of an electroacoustic transducer to the air. The device includes an electroacoustic transducer and a vibrating circuit. The transducer is exposed to the air and responsive to input of a sound wave to produce a corresponding acoustic signal. The vibrating circuit vibrates the transducer to shake foreign substances such as dust or drops of water from the transducer. In a modified form, an electromagnetic sensor is provided which measures an electromagnetic noise transmitted to the transducer and which removes the electromagnetic noise from an output of the transducer to produce a noiseless acoustic signal.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: December 13, 2005
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventor: Hidetoshi Kinoshita
  • Patent number: 6906301
    Abstract: A high-frequency heating apparatus includes a magnetron (1), a magnetron holding plate (2), a waveguide (3), a heating chamber (4), and screws (5), and the magnetron (1) is attached to the magnetron holding plate (2) with two screws. Hereby, attachment of the magnetron is facilitated, speed-up of the manufacturing process of the high-frequency heating apparatus can be realized, and production efficiency can be improved. Further, in the breakdown repair requiring exchange of the magnetron, working time can be also reduced, so that service to customers can be also improved.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: June 14, 2005
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventor: Takahide Yamaguchi
  • Patent number: 6681395
    Abstract: A program guide display system that utilizes a set of hierarchical templates broadcast from a broadcasting station. The set includes a plurality of frame templates and component templates to be embedded in the frame templates. If a user issues a program guide request while viewing a program of a channel, a form of program guide is determined. One of the frame templates which one is suitable to the form is selected. A text describing the program guide of the form is generated by embedding necessary one(s) of the component templates in the selected frame template while substituting variables of the selected and necessary templates with data which are determined by display conditions and obtained from program information broadcast from the broadcasting station. The generated text is passed to means for executing the text to display program guide.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: January 20, 2004
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventor: Hiroyuki Nishi
  • Publication number: 20020069276
    Abstract: A gateway apparatus is provided which connects to appliances via a home network. The gateway apparatus includes means for acquiring appliance panel information indicating panel parts of the appliance and an operational range of the panel parts, and means for memorizing gateway apparatus information indicating whether a control command input to the appliance thorough a network built outside the home. The gateway apparatus further includes means for determining whether or not it is possible to accept the input by making reference to the gateway apparatus information when the control command input is received through the outside network and for producing a control command to the appliance based on the appliance panel information when the acceptance is possible. This makes it possible to perform remote control in a similar feeling obtained in operating a front panel of an actual home appliance. Through the outside network, the home appliance can be controlled with easier operations.
    Type: Application
    Filed: July 27, 2001
    Publication date: June 6, 2002
    Applicant: Matsushita Electric Industrial Company, Ltd.
    Inventors: Tetsuya Hino, Naoto Yamaguchi, Masao Kato
  • Patent number: 6341851
    Abstract: An ink jet recording apparatus is disclosed, which apparatus has a pressure chamber that holds an ink liquid, and a nozzle communicating with the pressure chamber for discharging the ink liquid when pressure is applied to the pressure chamber. The pressure chamber has a diaphragm disposed therein. A piezoelectric element made of a monocrystalline or polycrystalline piezoelectric member highly oriented along a polarization axis showing perovskite structure, and mainly composed of lead zirconate titanate or barium titanate, is used to vibrate the diaphragm. When a specified voltage is applied to the piezoelectric element, it causes the ink liquid in the pressure chamber to be discharged into a recording medium at the front side of the nozzle.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: January 29, 2002
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Ryoichi Takayama, Yuji Takashima, Eiichiro Tanaka, Koji Ikeda, Osamu Kawasaki, Masayoshi Miura
  • Patent number: 6298236
    Abstract: A microcellular communication system which broadcasts its local channel block, including the control channels allotted from a total channel block to the microcellular system, on all control channels being used by the system. A mobile unit seeking access to the microcellular system initially searches the total channel block in an effort to receive the local channel block information broadcast by the microcellular system. The mobile unit compares received local channel block information with stored total channel block information and replaces its memory content with the newly received information. Periodic searching of stored channel block information is conducted to verify that the mobile unit has the relevant channel block information for the local microcellular system.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: October 2, 2001
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Jun Yamada, Masaki Terashima, Jun Nagamatsu
  • Patent number: 6278669
    Abstract: An objective lens driving apparatus includes an objective lens opposed to an optical disk, the objective lens having an optical axis in a vertical direction which is perpendicular to the optical disk, a holder for holding the objective lens; a supporting member for supporting the holder to be movable in at least the vertical direction and a radial direction of the optical disk; a focusing coil provided on the holder and wound around the vertical direction; and a magnetic field generation section for generating a magnetic flux crossing the focusing coil in a direction perpendicular to the vertical direction, the magnetic flux being generated to be substantially linear.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: August 21, 2001
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Joji Anzai, Akihiro Yasuda
  • Patent number: 6195321
    Abstract: A disk rotation control apparatus includes a spindle motor for rotating a disk, a rotational speed detecting device for detecting the rotational speed of the spindle motor, a signal generating device for generating an acceleration signal that accelerates the rotation of the spindle motor and a deceleration signal that decelerates the rotation of the spindle motor. A storage device for rotating the spindle motor with an acceleration signal generated by the signal generating device, measures a rise time required to reach a prescribed rotational speed &ohgr;1 while detecting the rotational speed of the spindle motor by the rotational speed detecting device, and stores the measured rise time. A control device for decides a time to generate the deceleration signal in the signal generating device on the basis of the rise time stored in the storage device, and stops the rotation of the spindle motor by applying the deceleration signal to the spindle motor.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: February 27, 2001
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Kouichi Takamine, Shin-Ichi Yamada, Yasuaki Edahiro, Mitsurou Moriya
  • Patent number: 6187225
    Abstract: A stable phosphor complex or blend includes a lanthanum phosphate phosphor with Tm3+ as an activator, Li+ and an optional amount of an alkaline earth element (AE2+) as a coactivator, having the empirical formula:: (La1-x-zTmxLiyAEz)PO4, wherein 0.001≦x≦0.05, 0.01≦y≦0.05, and 0≦z≦0.05; and 15 to 30% by weight of either: (i) divalent europium-activated barium, magnesium, aluminate (BAM), having an empirical formula: (Ba1-xEux)O MgyO (Al2O3)z, wherein 0.005≦x≦0.05 and 1≦y≦2; or (ii) divalent europium-activated barium, magnesium, lanthanum aluminate (BLMA), having an empirical formula: (Ba1-xEux)O MgyO (Al2-vLAvO3)z, wherein 0.005≦x≦0.05, 1≦y≦2, 5≦z≦7 and 0.1≦v≦1; or (iii) divalent europium activated alkaline earth chloro apatite (AECAP) having an empirical formula: (x.Sr,y.Ba,z.Cz,u.Mg)5(PO4)3Cl, wherein x+y+z+u=0.1, 0≦x≦1.0, 0≦y≦1.0, 0≦z≦1.0 and 0≦u≦1.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: February 13, 2001
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventor: Ravilisetty P. Rao
  • Patent number: 6097368
    Abstract: A digital display device, such as a plasma display or a digital micromirror device (DMD) based digital light projector, employs a minimum moving pixel distortion (MPD) set of codewords for reducing visually perceived artifacts viewed on a digital display device (PDP). The digital display device includes a minimum MPD mapping process, which maps by, for example, a ROM look-up table, corresponding present and previous pixel intensity values from first and second image frames into a preferred equalizing code value corresponding to the present pixel intensity value. An optimal set of equalizing codewords is determined by comparing objective measures of MPD error for each of a plurality of trial equalizing codewords and selecting the codeword having the smallest measure of MPD error. The optimal equalizing codewords are stored in a ROM lookup table which is addressed by the previous and current codewords.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: August 1, 2000
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Daniel Qiang Zhu, Thomas J. Leacock, James D. Noecker
  • Patent number: 6067323
    Abstract: The invention provides a decoding method of coded moving image signal and a decoding apparatus using the same, being a decoding method of moving image signal obtained by coding input digital moving image signals, gathering in a unit of one picture, issuing bit streams including the time information of present picture, accumulating the bit streams in the transmission side buffer, and decoding the bit streams being controlled to code a next picture when the buffer residue capacity becomes smaller than a certain threshold, characterized by calculating the time between pictures from the generated coding amount of the received previous picture, the threshold and transmission speed, comparing the time information extracted from the input bit stream and the time between pictures, and judging whether the extracted time information is correct or not.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: May 23, 2000
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventor: Koji Imura
  • Patent number: 6052405
    Abstract: A spread spectrum receiver for use in a mobile communication system is provided which includes a plurality of spread spectrum demodulators, a diversity combiner, a power level detector, a correlation determining circuit, a signal combination determining circuit, and a demodulator phase control circuit.The correlation determining circuit determines correlation among input multipath signals transmitted through different transmission paths. The signal combination determining circuit selects the same number as that of the spread spectrum demodulators out of the multipath signals, which minimizes a drop in power level of a diversity combined signal outputted from the diversity combiner according to the determined correlation. The demodulator phase control circuit controls phases of demodulating operations of the spread spectrum demodulators to demodulate the selected multipath signals, respectively.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: April 18, 2000
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventor: Takayuki Nakano
  • Patent number: 5974200
    Abstract: A method of locating a machine-readable two dimensional marker, such as a barcode, in an image. An image of a medium containing the two dimensional marker is processed to generate a mask containing one or more filled regions each of which is sufficiently large to contain the predetermined dimensions of the marker. To generate the mask, small image areas having a first pixel polarity which are internal to larger image areas having a different pixel polarity are first filled with pixels having the same polarity as the surrounding larger image areas. A morphological opening operation is then performed on the filled image to leave only such filled regions as are equal in size or larger than the predetermined dimensions of the marker. After the mask has been generated, the mask is logically combined with the original image to extract one or more candidate regions.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: October 26, 1999
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Jiangying Zhou, Daniel P. Lopresti
  • Patent number: 5907806
    Abstract: A microcellular communication system which broadcasts its local channel block, comprising the control channels allotted from a total channel block to the microcellular system, on all control channels being used by the said system. A mobile unit seeking access to the microcellular system initially searches the total channel block in an effort to receive the local channel block information broadcast by the microcellular system. The mobile unit compares received local channel block information with stored total channel block information and replaces its memory content with the newly received information. Periodic searching of stored channel block information is conducted to verify that the mobile unit has the relevant channel block information for the local microcellular system.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: May 25, 1999
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Jun Yamada, Masaki Terashima, Jun Nagamatsu
  • Patent number: 5598416
    Abstract: In case the number of usable channels is insufficient when a data communication system transmits information by using a plurality of channels, an information transmission rate reduction detector circuit included in a terminal interface circuit requests a terminal to reduce an information transmission rate and thereby reduce the probability of call blockage of the terminal. Also, in case the number of usable channels is insufficient at the time of hand over, hand over failure of the data communication system is reduced by lowering the information transmission rate of the terminal.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: January 28, 1997
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Daisuke Yamada, Osamu Kato
  • Patent number: 5490320
    Abstract: A lithium secondary battery comprising a positive electrode a double oxide of lithium and nickel wherein said double oxide is formed by burning a mixture of a nickel compound such as nickel carbonate, and a lithium compound such as lithium nitrate, at an atomic ratio of Li/Ni of from >1.0 to 1.4, in either air or oxygen, and a method of manufacturing the same.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: February 13, 1996
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Masaki Hasegawa, Yasuhiko Bito, Shuji Ito, Hiroyuki Murai, Yoshinori Toyoguchi
  • Patent number: 5490145
    Abstract: The invention provides a communication network system which permits parallel access of a plurality of nodes to a transmission line and which has a high throughput and low delay, with fairness among the nodes maintained. In the communication network system, a plurality of tokens correspondingly associated with the nodes, respectively, are allowed to circulate on the transmission line. Each node is allowed to transmit data only when the frame insertion buffer is empty. The node, when having data to be transmitted, awaits the arrival of a token. If a token that has arrived corresponds to the self node, or if a node corresponding to the arrived token is downstream of the destination node as viewed from the own self node, the node forms a packet from its holding data and transmits it onto the transmission line.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: February 6, 1996
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Takumi Tanabe, Hiroaki Asano, Shinako Nishioka, Osamu Tanaka, Shiro Iwasaki