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| 20100032984 | REINFORCED STRUCTURE FOR CABIN OF WORKING MACHINE - A reinforced structure for a cabin of a working machine is disclosed, which comprises a cabin, a boom installed along the cabin, and a reinforcing member provided for the cabin. The cabin includes front pillars, upper pillars and rear pillars. The reinforcing member includes a first member located longitudinally between upper ends of the front and rear pillars located on the working apparatus side of the cabin, the first member being fixed to the upper pillar located on the same side, and a second member, one end of the second member being fixed to an intermediate position of the first member, and the other end thereof being fixed to the other upper pillar. | 02-11-2010 |
| 20100032985 | CABIN AND TRAVELING CONSTRUCTION MACHINE WITH THE SAME - A rear beam has a first beam with right and left ends welded to right and left rear supports and a second beam welded to a front surface of the first beam along the right and left direction. The second beam is welded to the first beam so that an upper end portion of the second beam is above an upper end portion of the first beam and a lower end portion of the second beam is above a lower end portion of the first beam. | 02-11-2010 |
| 20110025096 | CONSTRUCTION MACHINE - In a construction machine such as a hydraulic excavator in which a boom of a working attachment is arranged to one of the left and right sides of a cab into which an operator gets on, a load transmission member for transmitting a lateral load imposed on the cab at the time of rollover of a machine main body to the boom serving as a load receiving member is attached to a side surface of the boom in a state that the load transmission member is elastically deformable taking a boom attachment point as a supporting point, further, a projection piece is provided for this load transmission member, and a clearance is formed between this projection piece and a left end surface of a top plate of the boom. | 02-03-2011 |
| 20110025097 | CONSTRUCTION MACHINE - In a construction machine wherein a cab is mounted on an upper frame of an upper rotating body through an anti-vibration mount, a guard member for protecting the cab in the event of a roll over of the construction machine is mounted so as to extend from a front face portion to a ceiling of the cab, and a lower end of a front portion of the guard member which front portion covers the front face portion of the cab is fixed to a front end portion of the upper frame by a fixing mechanism which permits movement of the cab created in both vertical and horizontal directions by the anti-vibration mount. | 02-03-2011 |
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| 20090086675 | Handover processing system in mobile communication system - A handover processing system in mobile communication system, implemented in gateway connected to subscriber network including base station in the mobile communication system, public network and IP network and accompanied by movement of radio terminal in the mobile communication system, wherein the gateway comprises line exchanger performing line exchange processing, VoIP connection unit controlling communication function to transmit/receive IP-packetized data to make communication and call control function for the VoIP communication function, handover detector determining whether or not call originating request from the base station is handover call, communication call detector determining whether or not communication source call of handover is present, call information storage unit storing call information, handover source call retriever retrieving handover source call in IP network, and handover processor taking over communication call from communication partner to continue the communication, and performing handover processing of VoIP communication call. | 04-02-2009 |
| 20090147753 | MOBILE COMMUNICATION SYSTEM, GATEWAY, CONCENTRATOR, AND HANDOVER CONTROL METHOD - According to this invention, there is provided a method applicable to the system which comprises a plurality of base stations each forming radio zones and storing a mobile terminal, and a gateway being connected to a packet communication network and relaying packet communication between the packet communication network and the mobile terminal. The method comprises buffering packets transmitted by a downlink to the mobile terminal in a packet buffer, requiring retransmission of unarrived packets in handover accompanied by movement among the radio zones, reading the packet required from the mobile terminal to retransmit the packet to the mobile terminal that is a request source, and assigning serial identification numbers to packets at least in a start to an end of the handover. When the identification numbers of the reached packets are discontinuous, the mobile terminal requires retransmission of packets needed to eliminate the discontinuity. | 06-11-2009 |
| 20090203378 | MOBILE COMMUNICATION SYSTEM, CONTROL DEVICE THEREOF, MOBILE TERMINAL, AND DATABASE CONSTRUCTING METHOD - A mobile communication system comprises base stations, a mobile terminal and a control device. The mobile terminal comprises a report unit reports a reception power of a radio wave from a current station and a next station to the control device for each base station switch processing. The control device comprises a calculation unit calculates a first distance and a second distance. The first distance is the distance between the current station and the mobile terminal. The second distance is the distance between the next station and the mobile terminal. The control device comprises a database stores distance data between the base stations. The control device comprises an update unit updates the distance data by a minimum value of a sum of the first and the second distances. | 08-13-2009 |
| 20090291689 | MOBILE COMMUNICATION SYSTEM, ITS CONTROL DEVICE, AND HAND-OFF CONTROL METHOD - According to an embodiment of the present invention, a mobile communication system comprises a plurality of cellular stations configured to each form areas and a control device configured to connect the cellular stations to a network through communication resources. The control device comprises a construct processing module, a prediction processing module, a secure processing module and an establishment processing module. The construct processing module constructs a database storing hand-off records in time series of a plurality of the mobile terminals. The prediction processing module predicts one or more candidates of cellular stations of connection destinations next to the mobile terminals with reference to the time series of the database before hand-offs are requested. The secure processing module secures channels in the communication resources of the predicted candidates. The establishment processing module establishes communication links via the secured channels among the mobile terminals and the network when hand-off execution is requested. | 11-26-2009 |
| 20100020764 | MOBILE COMMUNICATION SYSTEM, ITS CONTROL DEVICE, HANDOVER CONTROL METHOD, AND MOBILE TERMINAL - According to one embodiment, a mobile communication system includes base stations each forming a wireless zone for wirelessly accommodating mobile terminals, and a control device accommodating the base stations. The control device includes a construction module, a prediction module and an instruction module. The construction module constructs a database regarding a history of handovers by the mobile terminals. The prediction module predicts a base station of the next connection destination of a mobile terminal being in communication and timing of a handover to the base station of the next connection destination on the basis of the database. The instruction module instructs the handover to the predicted base station to the mobile terminal being in communication before the timing comes. | 01-28-2010 |
| 20100232399 | WIRELESS COMMUNICATION SYSTEM, CONTROL CENTER, AND BASE STATION - The base station includes a notification module configured to notify a control center of output power data, a measurement module configured to measure a reception quality of each time slot from received radio signals of control data transmitted from other base stations via a control channel, and a transmission module configured to transmit reception quality data indicating the reception quality to the control center, along with data indicating the time slot selected by the base station. The control center includes a reception module configured to receive the output power data, the reception quality data, and the data indicating the time slot, and a construction module configured to construct adjacent base station data indicating adjacency relationship between the base stations by comparing the reception quality and the output power of each of the base stations, the reception quality being obtained by converting the reception quality data based on the time slot. | 09-16-2010 |
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| 20090069015 | MOBILE COMMUNICATION SYSTEM, BASE STATION CONTROL APPARATUS, MOBILE TERMINAL AND METHOD FOR CONTROLLING HANDOVER - A mobile communication system that is possible to shorten time from a handover request to a handover completion and to perform a high-speed handover is described. The mobile communication system includes a plurality of base stations which is configured to make wireless communication with a mobile terminal through, and a base station control apparatus connected to the base stations. The base station control apparatus includes a handover control section determines a handover base station to be handed over by the mobile terminal from the base stations, and directs the mobile terminal to hand over to the handover base station. | 03-12-2009 |
| 20090069019 | MOBILE COMMUNICATION SYSTEM, SERVER APPARATUS, BASE STATION AND MOBILE TERMINAL - A mobile communication system that is possible to find a base station connectable with a mobile terminal efficiently is provided. A server apparatus, the base station and the mobile terminal used in the mobile communication system are also provided. The mobile communication system includes a mobile terminal, a plurality of base stations, a management section and an answering BS instruction section. The management section manages each connectable number of the mobile terminals with which each base station being able to establish a communication connection and selects the base station to send a connection answer to the mobile terminal based on the connectable numbers. The answering BS instruction section instructs the management section to start to select the base station to send the connection answer, and instructs the base station selected by the management section to send the connection answer to the mobile terminal. | 03-12-2009 |
| 20090185529 | MOBILE COMMUNICATION SYSTEM, BASE STATION CONTROLLER, BASE STATION AND COMMUNICATION CONNECTION METHOD - A mobile communication system which can prevent deterioration of a utilization ratio of a radio channel and degradation of communication quality is provided. The mobile communication system has a mobile terminal, base station, and a base station controller. The mobile terminal issues a link channel establishment request in order to communicate with another mobile terminal. The base station receives the link channel establishment request, and outputs a radio channel assignment request. When the base station controller receives the radio channel assignment request, the base station controller assigns the base station a radio channel which is not used in the base station and its adjacent base station and outputs a radio channel assignment answer. When the base station receives the radio channel assignment answer, the base station returns a link channel assignment answer to the mobile terminal, and establishes a communication connection with the mobile terminal by an assigned radio channel. | 07-23-2009 |
