Patents Assigned to NEC Corporaton
  • Publication number: 20230008721
    Abstract: A charging management unit of a charging management server acquires contact information of a first user who uses a charging unit for charging a traction battery of a vehicle. The charging management unit of the charging management server receives a first request indicating that a second user, who is a user different from the first user, wants to use the charging unit being used by the first user after the first user has finished using the charging unit. When the charging management unit of the charging management server receives the first request, it notifies the first user about the first request.
    Type: Application
    Filed: June 27, 2022
    Publication date: January 12, 2023
    Applicant: NEC Corporaton
    Inventor: Sei Hoshino
  • Patent number: 11343036
    Abstract: A radio communication apparatus (100) according to the present disclosure includes a first frequency domain conversion unit (1) configured to convert a reception signal into a first frequency domain signal, a bandwidth restriction unit (2) configured to restrict a bandwidth by extracting a first number of points corresponding to a frequency bandwidth of a desired signal from the first frequency domain signal, a time domain conversion unit (3) configured to convert the signal with the restricted bandwidth into a time domain signal with the first number of points, a symbol reconstruction unit (4) configured to reconstruct symbols from the time domain signal, and a second frequency domain conversion unit (5) configured to convert each of the reconstructed symbols into a second frequency domain signal with the first number of points. Thus, a radio communication apparatus that can efficiently perform signal processing is provided.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: May 24, 2022
    Assignee: NEC CORPORATON
    Inventor: Motoya Iwasaki
  • Publication number: 20220122125
    Abstract: An information processing device 400 is configured to be provided with a detection unit 410 and a control unit 420 so that an advertisement can be outputted to a customer at an appropriate timing. The detection unit 410 detects the position of a customer that has come to a store. The display control unit 420 causes a display device associated with a predetermined position in the store to display an advertisement when the distance between the detected position of the customer and the predetermined position is a predetermined value or less.
    Type: Application
    Filed: February 26, 2020
    Publication date: April 21, 2022
    Applicant: NEC Corporaton
    Inventor: Jun UCHIMURA
  • Patent number: 8160622
    Abstract: A unit for realizing a TV phone by using an image and a character message by a relatively simple method in a manner mode is provided. In the manner mode of one mobile TV phone terminal, a control unit for controlling the operation of the one mobile TV phone terminal prohibits the sound input via a microphone of the one mobile TV phone terminal and the sound output via a speaker and operates an SMS function with a TV phone function. A line between the one mobile TV phone terminal and another one is connected, an SMS message is created by operating a key input unit of the one mobile TV phone terminal, and a send key is pressed. Then, the message data is sent to the other mobile TV phone terminal via one base station, an SMS server, and another base station. A display unit of the other mobile TV phone terminal displays the message together with the image sent via a TV phone exchange.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: April 17, 2012
    Assignee: NEC Corporaton
    Inventor: Yasuhiro Himeno
  • Publication number: 20100188997
    Abstract: In a throughput estimation method for estimating throughput of a first channel in a cellular system in which the first channel and a second channel that are used for an uplink wireless communication service in a cell, noise rise of the second channel is calculated from the traffic volume of the second channel, the noise rise and a target RTWP that is the target total reception power of the base station that is set in the base station are used to calculate a ratio of resources used for the wireless communication service that can be allocated to the first channel, and the resource ratio is then used to calculate the throughput of the first channel.
    Type: Application
    Filed: May 9, 2008
    Publication date: July 29, 2010
    Applicant: NEC Corporaton
    Inventors: Akio Aoyama, Kojiro Hamabe
  • Publication number: 20100131760
    Abstract: For an audio-visual terminal that reproduces content, anonymity of a user is ensured while enabling reproduction of the content. A content using system of the present invention includes a communication terminal, an audio-visual terminal and a license server. The communication terminal generates an electronic ticket by providing a group sign to license information obtained from the license server. The audio-visual terminal, after verifying the group sign of the electronic ticket obtained from the communication terminal, transmits the electronic ticket to the license server. The license server judges whether or not the electronic ticket is usable, which is transmitted from the audio-visual terminal and assigns a license of the content to the audio-visual terminal when the electronic ticket is judged to be usable. The audio-visual terminal decrypts the content which is encrypted, by using a decryption key obtained based on the license, and reproduces the content.
    Type: Application
    Filed: April 8, 2008
    Publication date: May 27, 2010
    Applicant: NEC CORPORATON
    Inventor: Naotake Fujita
  • Publication number: 20090250771
    Abstract: To provide a MOSFET which is increased in substrate bias effect ? without increasing parasitic capacitance and junction leak current, the MOSFET includes: a gate electrode (104) formed on a semiconductor substrate (101) and an insulating film (103); a sidewall insulating film (106) covering the side surface of the gate electrode (104); and source/drain regions surrounded by the sidewall insulating film (106) and a shallow trench isolation (102) in a self-alignment manner, in which an impurity concentration of a first conductivity type which is the same type as a well-forming impurity has a profile becoming, in a lower direction of the gate electrode (104), lower in a channel formation region, then higher and again lower, and a high-concentration first conductivity type impurity region (110) is provided, in which the impurity concentration of the first conductivity type is formed to be low in the source/drain regions and to be high below the gate electrode (104) sandwiched between the source/drain regions.
    Type: Application
    Filed: August 22, 2006
    Publication date: October 8, 2009
    Applicant: NEC CORPORATON
    Inventor: Makoto Miyamura
  • Publication number: 20050095755
    Abstract: An object of the present invention is to prevent the thin film device formed by laser annealing from making, due to overheat, abnormal operations. Firstly, on a glass substrate 101. a heat insulating film, a silicon oxide film and an amorphous silicon film are formed in succession, and the amorphous silicon film is irradiated from above with a laser beam of an excimer laser. After being molten, the amorphous silicon film undergoes recrystallization to form a polycrystalline silicon film. Subsequently, using the polycrystalline silicon film as an active layer, a TFT is formed, and then a plastic substrate is bonded onto the TFT, and finally the glass substrate is peeled off by way of the heat insulating film, whereby a transfer of the TFT is completed. Because the heat insulating film is removed, abnormality caused by overheat at the time of operation is well prevented from occurring.
    Type: Application
    Filed: November 1, 2004
    Publication date: May 5, 2005
    Applicant: NEC CORPORATON
    Inventors: Mitsuru Nakata, Kazushige Takechi, Hiroshi Kanoh
  • Patent number: 6191718
    Abstract: Digital data is generated by sampling an analog input signal at a sampling frequency that is N times an A/D sampling frequency that is necessary in an A/D converter. N decimated data strings are generated by decimating the digital data at a ratio of 1/N. Based on the N decimated data strings, a processor produces a digital output signal.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: February 20, 2001
    Assignee: NEC Corporaton
    Inventor: Mariko Matsumoto
  • Patent number: 5532633
    Abstract: A first basic clock supplied from outside is delayed by a first delay circuit to generate a second basic clock which is fed to a frequency divider to generate a group of multi-phase clocks, each of which has a clock width equal to an integer number multiple of the clock width of the second basic clock and has a phase delay sequentially by a value equal to an integer number multiple of the clock period of the second basic clock, wherein the (n-1)th multi-phase clock and a nth multi-phase clock neighboring to each other in the phase sequence, and the first basic clock, are fed to a delay generating circuit as inputs, which comprises a second delay circuit for delaying the (n-1)th clock in the phase sequence, and a circuit arrangement for generating an output clock phase having a delay time relative to the nth clock, being equal to an smaller value of one half clock width of the first basic clock minus a delay time of the first delay circuit and a delay time of the second delay circuit.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: July 2, 1996
    Assignee: NEC Corporaton
    Inventor: Shuichi Kawai