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Nagaoka Keishin, Tomio Shigetoshi, Hirose Tadatsugu, Kaneko Keiichi, Kameyama Shigeki, Kishi Tomokatsu, Sakamoto Tetsuya, Takamori Takahiro, Takagi Akihiro: Method and device for driving a plasma display panel and plasma display panel including this device. Fujitsu, March 24, 1999: EP0903719-A2 (20 worldwide citation)


A method for driving a plasma display panel applies, within a subfield among the n subfields, a narrow-width pulse having a pulse width equal to or less than 2 mu s to first electrodes (X) in order to cause an erase discharge while terminating a discharge caused between the first and second electrod ...


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Kawachi Masao, Jinguji Kaname, Takato Norio, Takagi Akihiro: Guided-wave optical branching components and optical switches.. Nippon Telegraph & Telephone, August 16, 1990: EP0382461-A2 (14 worldwide citation)


A guided-wave optical branching component composed of Mach-Zehnder interferometer having two or more directional couplers (34, 35, 43, 44, 50, 51, 52, 75, 76, 85, 86). A slight difference DELTA L in the optical-path length is given to the two or more optical waveguides (32, 33, 41, 42, 82, 83, 84) c ...


3
Sakamoto Tetsuya, Kishi Tomokatsu, Tomio Shigetoshi, Nagaoka Keishin, Takamori Takahiro, Machida Jun, Takagi Akihiro: Method of driving a plasma display and apparatus using the method. Fujitsu, March 29, 2000: EP0989538-A2 (7 worldwide citation)


A method of driving a plasma display is disclosed, in which the deterioration of the display quality which otherwise might be caused by the light emission due to a reset pulse is prevented thereby to improve the display quality. The voltage of the reset pulse (Ves) is set taking the voltage due to t ...


4
Nagaoka Keishin, Tomio Shigetoshi, Hirose Tadatsugu, Kaneko Keiichi, Kameyama Shigeki, Kishi Tomokatsu, Sakamoto Tetsuya, Takamori Takahiro, Takagi Akihiro: Plasma display panel and its driving method. Fujitsu, June 12, 2003: KR1020020022258 (6 worldwide citation)


PURPOSE: A plasma display panel and its driving method are provided to improve a driving voltage margin in a process for driving the plasma display panel by changing continuously supply voltage values to the positive direction and the negative direction. CONSTITUTION: A plasma display panel includes ...


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Takagi Akihiro, Hirose Tadatsugu, Kameyama Shigeki, Kishi Tomokatsu, Setoguchi Noriaki: Plasma display panel. Fujitsu, January 19, 2001: JP2001-015038 (4 worldwide citation)


PROBLEM TO BE SOLVED: To provide a display panel with high power efficiency by providing it with a plurality of X electrodes and Y electrodes extending in a second direction crossing a first direction, a high dielectric layer for covering the X electrodes and Y electrodes, and a trench that penetrat ...


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Takagi Akihiro, Ishii Motohaya, Fukumitsu Takao, Itou Mikitaka: Optical fiber array device, and waveguide type multilayered light wave circuit module using the device. Nippon Telegr &Amp Teleph Corp &Lt Ntt&Gt, February 6, 2002: JP2002-040284 (3 worldwide citation)


PROBLEM TO BE SOLVED: To provide an optical fiber array device capable of being connected cost, high precision and high density is allowed to many input/output channel waveguides (port) inexpensively, highly precisely and at a high density in a multilayered light wave circuit board (chip), and to pr ...


7
Takagi Akihiro, Shimizu Takayuki, Kishi Tomokatsu: Method for driving plasma display panel and plasma display device. Fujitsu Hitachi Plasma Display, September 25, 2003: JP2003-271092 (3 worldwide citation)


PROBLEM TO BE SOLVED: To enhance display quality by reducing background light emission in a plasma display panel.SOLUTION: In this method for driving the plasma display panel, the panel is driven in a manner such that voltage is applied to address electrodes for each color of emitted light on the ba ...


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Matsui Tomoya, Tomio Shigetoshi, Takagi Akihiro, Sakamoto Tetsuya, Kishi Tomokatsu: Circuit and method for driving a flat panel display. Fujitsu Hitachi Plasma Display, August 24, 2005: EP1566789-A2 (3 worldwide citation)


A drive circuit includes: an output line (OUTCY)connected to one end of a load (20); a first signal line (OUTAY)for supplying a first potential (Us) higher in potential than a reference potential; a second signal line (OUTBY)for supplying a second potential lower than the reference potential and a t ...


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Takagi Akihiro: Information recording and reproducing apparatus.. Nippon Kogaku, October 7, 1992: EP0507476-A2 (2 worldwide citation)


An information recording and reproducing apparatus suitable for real time recording and reproduction for a disk formatted in an MCAV system is provided. In a reproduction mode, reproduced data is supplied to a buffer memory in synchronism with a clock signal whose frequency varies with a transfer sp ...



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