Patents Assigned to NEC Infrontia Corporation
  • Patent number: 7796615
    Abstract: A communication system for communication between a plurality of networks through a NAPT (Network Address Port Translation) device has communication terminals provided in a local network and a global network, a main device for managing communication information of the communication terminals, and a table provided in the main device for storing identification information, a local address, and a global address of each communication terminal in association with each other. When a communication terminal originates a call, the table is referred to, and when the destination of the call is a communication terminal outside the network, the global address of the NAPT device of the remote network is used as the mutual destination address, whereas when the destination of the call is a communication terminal present in the same network, the local address effective only in the local network is used.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: September 14, 2010
    Assignee: Nec Infrontia Corporation
    Inventors: Ryoichi Ochi, Yasuomi Ooki
  • Publication number: 20100226299
    Abstract: In a wireless communication method of a wireless communication device to which a power management mode of a wireless LAN is applied and to which a parent device communicates, the method includes updating a listen interval of receiving a beacon signal from a parent device to be shorter than a current listen interval in response to a data transmission to the parent device; and periodically increasing the updated listen interval between the time span from the data transmission to a next data transmission, wherein reception of the beacon signal is carried out after switching from a doze state to an awake state.
    Type: Application
    Filed: March 5, 2010
    Publication date: September 9, 2010
    Applicant: NEC INFRONTIA CORPORATION
    Inventors: Haruhiko SUMIDA, Teruo KAWAHARA
  • Patent number: 7780367
    Abstract: A cover operation member (41) is movably attached to the base frame to selectively latch and unlatch a platen (21) attached on the cover frame. The cover operation member (41) is in contact with the head bracket (32) so that the thermal head (31) is separated from the platen (21).
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: August 24, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Yukio Yoshioka
  • Patent number: 7778195
    Abstract: A network includes Internet protocol (IP) terminals for establishing communication using an initiation protocol used in connection-oriented communication in which connection to a destination is confirmed over an IP network for the communication; and a server apparatus constituting the network along with the IP terminals. The server apparatus includes a detecting unit for detecting a speech quality between the IP terminals; a calculating unit for calculating an optimal speech quality based on the detected speech quality information; and a notifying unit for notifying the IP terminals establishing communication of the calculated optimal speech quality. The IP terminals establish communication with the speech quality being set to the optimal speech quality, which the server apparatus notifies to the IP terminals.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: August 17, 2010
    Assignee: NEC Infrontia Corporation
    Inventors: Minako Takai, Takanori Hiroshima
  • Publication number: 20100199335
    Abstract: Provided is a communication system-decentralized terminal control method that can prevent terminals from having the same communication system.
    Type: Application
    Filed: January 29, 2010
    Publication date: August 5, 2010
    Applicant: NEC Infrontia Corporation
    Inventor: Yasuomi Ooki
  • Patent number: 7770211
    Abstract: Unauthorized access from a network to a terminal is prevented. If a signaling packet received from an external terminal contains a virus, the signaling packet is discarded. If the signaling packet does not apparently contains a virus, an unnecessary part is deleted and the signaling packet is transferred to an internal terminal in response to a polling signal. A port number described in a response packet received from the internal terminal is translated to a different port number. If a session packet received from the external terminal does not conform to a predetermined protocol, the session packet is discarded. If the session packet received from the external terminal conforms to the predetermined protocol, a port number is subject to reverse translation and a resultant session packet is transferred to the internal terminal.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: August 3, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Yoshikazu Kobayashi
  • Patent number: 7762519
    Abstract: For installing an apparatus body of an electronic apparatus at a standing state on a supporting surface, the supporting device includes a leg and support. The leg is rotatably provided on a back surface of the apparatus body at the standing state and is used for holding the apparatus body supported by the supporting surface. The support is rotatably provided on the back surface and engaged with the leg for defining an angle of the leg with respect to the back surface. The leg and the support are foldable in substantially parallel to the back surface without overlapping with each other.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: July 27, 2010
    Assignee: NEC Infrontia Corporation
    Inventors: Masaru Kunii, Masaki Kobayashi
  • Patent number: 7758276
    Abstract: In an adjoining expansion structure for coupling adjacent devices together in a coupling direction, the adjoining expansion structure includes grooves which penetrate the adjacent devices in the coupling direction, respectively, and coupling members which are inserted in the grooves and fixed to the adjacent devices, respectively. The coupling members are adapted to engage together in the coupling direction. Each of the coupling members may includes a hook projectable from and retractable into a corresponding one of the adjacent devices and a receiving portion having a form adapted for receiving the hook in the coupling direction.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: July 20, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Shinsuke Miura
  • Patent number: 7760922
    Abstract: A vast buffer memory space capable of storing all of partial fingerprint images read by a sweep type fingerprint sensor is made unnecessary in generating feature information of a fingerprint. A fingerprint reading system includes a sweep type fingerprint sensor, a memory which stores partial fingerprint images read by the sensor, and a processor connected to the sensor. The processor includes an image acquisition unit which successively acquires partial fingerprint images read by the sweep type fingerprint sensor and preserves them in the memory, a position calculation unit which calculates position information of a partial fingerprint image, an image division unit which cuts out a unique unit image corresponding to an image region having a predetermined area from the partial fingerprint image on the basis of the position information, and a feature extraction unit which extracts feature information of the unit image.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: July 20, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Nobuo Takahashi
  • Patent number: 7761639
    Abstract: A slot interface access device including a slot management module; a slot control module; and a physical slot to management slot contrast table, the slot management module, the slot control module, and the physical slot to management slot contrast table being provided between an input and output control module and a slot interface lower than the input and output control module. The input and output control module accesses the slot interface using virtual slot identification information. The slot management module converts the virtual slot identification information into physical slot identification information while referring to the physical slot to management slot contrast table, and accesses the slot control module corresponding to the physical slot identification information, thereby realizing a physical access of the input and output control module to the slot interface. The slot interface access device is higher in CPU capability than other devices each including the slot interface.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: July 20, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Akinori Hikabe
  • Patent number: 7761640
    Abstract: A slot interface access device including a slot management module; a slot control module; and a physical slot to management slot contrast table, the slot management module, the slot control module, and the physical slot to management slot contrast table being provided between an input and output control module and a slot interface lower than the input and output control module. The input and output control module accesses the slot interface using virtual slot identification information. The slot management module converts the virtual slot identification information into physical slot identification information while referring to the physical slot to management slot contrast table, and accesses the slot control module corresponding to the physical slot identification information obtained by conversion, thereby realizing a physical access of the input and output control module to the slot interface.
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: July 20, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Akinori Hikabe
  • Patent number: 7753308
    Abstract: A roll paper is received in a receiving area so as to have a horizontal rolling axis. In the vicinity of a lowest part of the receiving area, an inclined surface faces the receiving area. At a position being lower than the inclined surface, a rotation making member is placed to face the receiving area. In such arrangement, the inclined surface makes the roll paper be slid towards the lowest part of the receiving area when the inclined surface receives the roll paper that is out of the receiving area. In response to movement of the roll paper towards the lowest part of the receiving area, the rotation making member rotates the roll paper around the horizontal rolling axis towards a winding direction of the roll paper.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: July 13, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Yukio Yoshioka
  • Patent number: 7743345
    Abstract: Individual keys necessary for operations are grouped into key groups according to their functions. Key groups which do not fall within a display block allotted for all the keys are further divided into sub-groups. Switching keys for switching to other sub-groups are added. An operator operates the switching keys to arrive at the intended key.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: June 22, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Masakazu Ito
  • Patent number: 7738362
    Abstract: A network system includes a service providing apparatus; first and second backup apparatuses, each of which is configured to back up at least a part of a function of the service providing apparatus, and is connected with the service providing apparatus through a WAN; and a terminal connected with the service providing apparatus and the first and second backup apparatuses, and configured to receive a service from the service providing apparatus in a normal operation. The service providing apparatus has IP addresses of itself, the first and second backup apparatuses and the terminal, and notifies the IP addresses of the service providing apparatus and the first backup apparatus to the terminal in response to registration of the IP address of the terminal.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: June 15, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Motofumi Kakiuchi
  • Patent number: 7724643
    Abstract: A duplex data system performs a recovery process normally even in the event of an abrupt abnormal power failure. The duplex data system has a first storage device, a second storage device, and a control unit for duplicating data by storing the data in the first storage device and the second storage device. For duplicating the data, the control unit first writes the data into the first storage device and, after having completed the writing of the data into the first storage device, writes the data into the second storage device.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: May 25, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Koji Kakihara
  • Patent number: 7720210
    Abstract: A CTI system comprises a telephone terminal (12-2) having an ID tag (18-2), a server-connected main unit (11, 13) for controlling the telephone terminal, and an information processing terminal (16-1) having an ID reader and a communication unit (CU). By positioning the ID reader of the information processing terminal and the ID tag of the telephone terminal in close proximity to each other, the ID reader reads ID information of the ID tag in a non-contact manner. The information processing terminal sends the ID information read by the ID reader to the main unit by the use of the communication unit. The main unit associates the information processing terminal with the telephone terminal with reference to the ID information. The main unit is responsive to a request of the information processing terminal and carries out call control for the telephone terminal associated with the information processing terminal.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: May 18, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Kunio Nagashima
  • Patent number: 7714226
    Abstract: In a housing device, a first wall portion 10A and a second wall portion 20A are adjacent to each other with a right angle formed therebetween when a case cover 20 is coupled to a case main body 10. A first recess 11 and a first claw 12 are integrally formed with the first wall portion 10A at a part thereof where the first wall portion 10A is butted to the second wall portion 20A. A second claw 21 and a second recess 22 are integrally formed with the second wall portion 20A at a part thereof where the second wall portion 20A is butted to the first wall portion 10A.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: May 11, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Shinsuke Miura
  • Patent number: 7715383
    Abstract: According to an embodiment, previous data group input time is subtracted from current data group input time in order to obtain a difference time each time a data group is input. The difference time is subtracted from a packet transmission interval in order to obtain an interval difference. The interval difference is added to a total difference time. If the total difference time is not greater than the first predetermined value, then the input data group is transmitted as a packet. Otherwise, the input data group is discarded and the total difference time is initialized to a value obtained by subtracting the packet transmission interval from the first predetermined value, if the total difference time is greater than the first predetermined value.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: May 11, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Masato Hori
  • Patent number: 7711827
    Abstract: A communication system comprises a first communication terminal (101) provided with an ID tag (106) and having a communication function for a first medium, a second communication terminal (102) provided with an ID reader (107) and having a communication function for a second medium different from the first medium, and a communication server (109) connected to the first and the second communication terminals. The ID tag stores terminal address information representative of an address of the first communication terminal. When the ID reader reads, as readout address information, the terminal address information from the ID tag, the second communication terminal informs the readout address information to the communication server.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: May 4, 2010
    Assignee: NEC Infrontia Corporation
    Inventor: Kunio Nagashima
  • Patent number: D621381
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: August 10, 2010
    Assignee: NEC Infrontia Corporation
    Inventors: Masafuku Akatsu, Eiichi Taniguchi, Tadamine Toh, Masaki Kobayashi, Takaaki Fujii, Masaru Kunii, Jun Tamatsu, Fumiyoshi Toyoshima, Naoki Mori, Noriaki Nozaki, Hiroshi Kamezawa, Toshiki Takeda