Patents by Inventor Taihei Suzuki
Taihei Suzuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20230359085Abstract: An aspect of the present invention is directed to an optical sheet including a color conversion layer containing a phosphor, and a plurality of light diffusion particles fixedly attached on at least one surface of the color conversion layer.Type: ApplicationFiled: August 31, 2021Publication date: November 9, 2023Applicant: KEIWA INCORPORATEDInventors: Yuki MATSUNO, Taihei SUZUKI, Chengheng TSAI
-
Publication number: 20200409218Abstract: A diffusion sheet used in a liquid crystal display device in which when a finger pulp is put on a designated spot of a liquid crystal display panel, information obtained based on a fingerprint on the finger pulp is read using an infrared light source. The diffusion sheet has a haze value of 60% or more with respect to visible light, and has a haze value of 75% or less with respect to infrared light.Type: ApplicationFiled: May 27, 2020Publication date: December 31, 2020Inventors: Chengheng TSAI, Yuki MATSUNO, Hitomi SHIINA, Taihei SUZUKI
-
Patent number: 7058062Abstract: A packet switching system including at least one switching node or local unit each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch based on a logic channel on a packet circuit, a self-routing switch for performing switching based on the output port information, and a control unit for terminating a control packet and performing the call processing function. A switching node or tandem unit is provided including at least one self-routing switch for interconnecting the local units. A device is provided for setting, between the tandem unit and a destination-side local unit, the same logic channel as that between an originating-side local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than this local unit and a device.Type: GrantFiled: January 9, 2002Date of Patent: June 6, 2006Assignee: Hitachi, Ltd.Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 6618372Abstract: In a packet switching system-made up of a single or a plurality of switching nodes or local units each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch on the basis of a logic channel on a packet circuit, a self-routing switch for performing switching on the basis of the output port information, and a control unit for terminating a control packet and performing the call processing function, and a switching node or tandem unit including a single or a plurality of self-routing switches for interconnecting the local units, there are provided a device for setting, between the tandem unit and a destination-side local unit, the same logic channel as that between an originating, side local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than this local unit and a device, operable in the originating-side local unit for information transfer, for insertingType: GrantFiled: June 28, 1999Date of Patent: September 9, 2003Assignee: Hitachi, Ltd.Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Publication number: 20020057696Abstract: A packet switching system including at least one switching node or local unit each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch based on a logic channel on a packet circuit, a self-routing switch for performing switching based on the output port information, and a control unit for terminating a control packet and performing the call processing function. A switching node or tandem unit is provided including at least one self-routing switch for interconnecting the local units. A device is provided for setting, between the tandem unit and a destination-side local unit, the same logic channel as that between an originating-side local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than this local unit and a device.Type: ApplicationFiled: January 9, 2002Publication date: May 16, 2002Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 6314096Abstract: In a packet switching system made up of a single or a plurality of switching nodes or local units each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch on the basis of a logic channel on a packet circuit, a self-routing switch for performing switching on the basis of the output port information, land a control unit for terminating a control packet and performing the call processing function, and a switching node or tandem unit including a single or a plurality of self-routing switches for interconnecting the local units, there are provided a device for setting, between the tandem unit and a destination-side local unit, the same logic channel as that between an originating-side local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than this local unit and a device, operable in the originating side local unit for information transfer, for insertingType: GrantFiled: December 20, 1999Date of Patent: November 6, 2001Assignee: Hitachi, Ltd.Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 6005867Abstract: In a packet switching system made up of a single or a plurality of switching nodes or local units each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch on the basis of a logic channel on a packet circuit, a self-routing switch for performing switching on the basis of the output port information, and a control unit for terminating a control packet and performing the call processing function, and a switching node or tandem unit including a single or a plurality of self-routing switches for interconnecting the local units, there are provided a device for setting, between the tandem unit and a destination-side local unit, the same logic channel as that between an originating, side local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than this local unit and a device, operable in the originating-side local unit for information transfer, for insertingType: GrantFiled: May 11, 1995Date of Patent: December 21, 1999Assignee: Hitachi, Ltd.Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 5999537Abstract: A packet switching system which includes a device for setting, between a tandem unit and a destination local unit, the same logic channel as that between an originating local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than the originating local unit and a device, operable in the originating-side local unit for information transfer, for inserting output port information of a self-routing switch inside the tandem unit into a packet destined for the local unit other than this local unit; in the tandem unit, setting of logic channel conversion information is not required to be done and even when any control signal packet from the originating local unit arrives at the tandem unit, the packet is transferred to the destination local unit without undergoing termination of packet and concomitant call processing control.Type: GrantFiled: April 23, 1997Date of Patent: December 7, 1999Assignee: Hitachi, Ltd.Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 5740156Abstract: A packet switching system which includes a device for setting, between a tandem unit and a destination local unit, the same logic channel as that between an originating local unit operative for information transfer and the tandem unit in respect of a call destined for a local unit other than the originating local unit and a device, operable in the originating-side local unit for information transfer, for inserting output port information of a self-routing switch inside the tandem unit into a packet destined for the local unit other than this local unit. In the tandem unit, setting of logic channel conversion information is not required to be done and even when any control signal packet from the originating local unit arrives at the tandem unit, the packet is transferred to the destination local unit without undergoing termination of packet and concomitant call processing control.Type: GrantFiled: January 24, 1991Date of Patent: April 14, 1998Assignee: Hitachi, Ltd.Inventors: Shirou Tanabe, Taihei Suzuki, Shinobu Gohara, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 5333131Abstract: In a packet network having a plurality of local switching units each connected to a plurality of packet lines and at least one cross-connect unit connected to each local switching unit through at least one transit line having a predetermined transmission capacity, a plurality of virtual paths for interconnecting the plurality of local switching units through the cross-connect unit are defined on each transit line, without fixedly assigning communication bandwidths to individual virtual paths and, in respect of the individual transit lines, values of communication bandwidths assigned to virtual channels which have already been established in virtual paths present on the transit lines are stored.Type: GrantFiled: August 19, 1991Date of Patent: July 26, 1994Assignees: Hitachi, Ltd., Hitachi Software Engineering Co., Ltd.Inventors: Shiro Tanabe, Akinori Kubo, Taihei Suzuki
-
Patent number: 5327568Abstract: An apparatus for supporting development of a graphic data driven program includes a data driven mechanism enabling instructions of the data driven program to be executed whenever all input data necessary for executing the instructions is available.Type: GrantFiled: July 30, 1990Date of Patent: July 5, 1994Assignees: Hitachi, Ltd., Hitachi Software Engineering Co., Ltd.Inventors: Yukihito Maejima, Taihei Suzuki, Yasuyoshi Kaneko, Mitsuyuki Masui, Susumu Kawaguchi, Hikaru Nakatani
-
Patent number: 5247518Abstract: A high-speed ring LAN capable of accommodating at least one public network having a signal transmission rate of 155.57 MHz, and at least one sub-LAN having a signal transmission rate of 100 MHz. The high-speed LAN has a signal transmission rate of 155.52 Mbps .times.n (n is an even number). SONET (Synchronous Optical NETwork) subframes each comprising a 9 bytes .times.9 section overhead area and a 261 bytes .times.9 virtual container 4 (VC-4) area flow in a time-divisional n-multiplexed format. The respective node devices inserted in the transmission path have one or more ports to accommodate sub-LANs or public networks. Information is exchanged in units of a fixed-length packet between a received SONET subframe and an asynchronous port whereas information is exchanged in units of a byte between the SONET subframe and a synchronous port.Type: GrantFiled: January 13, 1992Date of Patent: September 21, 1993Assignee: Hitachi, Ltd.Inventors: Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Eiichi Amada, Yukiji Yamauchi, Mitsuhiro Yamaga, Matsuaki Terada, Kunio Hiyama
-
Patent number: 5185873Abstract: A data driven type instruction execution method for controlling execution of instructions by using a memory storing an input data available source, an output message destination to which the results of the operation performed are sent and an input data number counters for indicating availability of the input data to each of the instructions. A flag indicating the number of input data required for each instruction is not less than two, an input data number counter for the instruction requiring two or more input data and an initialization table for setting an initial value of the counter. The content of the flag is referred and deciding that the instruction can be executed when the flag indicates the input data number of one. The input data counter is decremented when the input data number is two or more, and deciding that the instruction can be executed when the decrement of the input data counter results in zero.Type: GrantFiled: February 16, 1989Date of Patent: February 9, 1993Assignee: Hitachi, Ltd.Inventors: Yukihito Maejima, Hirotoshi Shirasu, Taihei Suzuki, Toshiaki Yamamoto
-
Patent number: 5129046Abstract: A method of converting with the aid of a computer a data flow description chart containing a plurality of process elements each receiving a plurality of inputs and outputting one or plural data according to the result of processing and data lines interconnecting the plural process elements into a function design chart showing an outline of the data flow. A source program list corresponding to the data flow description chart is inputted to the computer. A statements analyzing program then consults a first description rule table prepared previously to thereby convert each statement of the source program describing the relation between each of the process elements and the plural input information inputted to each process element into an output data record including a graphic symbol to be displayed on the function design chart and comment. The comment imparted to each graphic symbol of the process element is the respresentative input information of those inputted to the process element.Type: GrantFiled: July 28, 1989Date of Patent: July 7, 1992Assignee: Hitachi, Ltd.Inventors: Shiro Tanabe, Taihei Suzuki, Yukihito Maejima, Mituyuki Masui
-
Patent number: 5111323Abstract: When the subscribers are connected with the switching system by the optical fibers, in order to realize the signal exchange without converting the optical signals sent by the optical fibers into the electric signal, the optical switching system is constituted by: an optical time division multiplexer for time division multiplexing the optical signals which were sent by a plurality of fiber optic cables corresponding to a plurality of subscribers; an optical time switch for changing the time arrangement of the output signals of the optical time division multiplexer; and an optical time division demultiplexer for distributing the time sequential signal of the output signals of the optical time switch to the optical fibers of a plurality of subscriber lines.Type: GrantFiled: May 30, 1989Date of Patent: May 5, 1992Assignee: Hitachi, Ltd.Inventors: Toshiki Tanaka, Katsuyuki Imoto, Hiroshi Kuwahara, Taihei Suzuki
-
Patent number: 5103447Abstract: A high-speed ring LAN capable of accommodating at least one public network having a signal transmission rate of 155.57 MHz, and at least one sub-LAN having a signal transmission rate of 100 MHz. The high-speed LAN has a signal transmission rate of 155.52 Mbps.times.n (n is an even number). SONET (Synchronous Optical NETwork) subframes each comprising a 9 bytes.times.9 section overhead area and a 261 bytes.times.9 virtual container 4 (VC-4) area flow in a time-divisional n-multiplexed format. The respective node devices inserted in the transmission path have one or more ports to accommodate sub-LANs or public networks. Information is exchanged in units of a fixed-length packet between a received SONET subframe and an asynchronous packet whereas information is exchanged in units of a byte between the SONET subframe and a synchronous port.Type: GrantFiled: August 29, 1989Date of Patent: April 7, 1992Assignee: Hitachi, Ltd.Inventors: Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Eiichi Amada, Yukiji Yamauchi, Mitsuhiro Yamaga, Matsuaki Terada, Kunio Hiyama
-
Patent number: 4901274Abstract: An I/O prescription table (I/O PTBL) is associated with a processing program module that is executed by a conventional sequential execution type processor. Each processing program module fetches the input data according to its associated I/O PTBL and stores the output data in the same table. An execution control program makes reference to the I/O PTBL associated with the processing program module, updates the designated I/O PTBL so as to indicate that the corresponding input data is prepared, and starts the processing program module associated with the I/O PTBL which is furnished with all of the necessary input data.Type: GrantFiled: July 11, 1985Date of Patent: February 13, 1990Assignee: Hitachi, Ltd.Inventors: Yukihito Maejima, Hirotoshi Shirasu, Taihei Suzuki, Yoshiaki Tokita, Shirou Tanabe, Takashi Morita
-
Patent number: 4663759Abstract: In a digital and electronic switching apparatus, each subscriber's circuit is provided with a loop back circuit which selectively return a downward channel signal to an upward channel in order that a ring back tone informing a calling telephone set of the fact that a called telephone set is being dialed can be synchronized with a ringing tone dialing a called telephone set. Upon dialing a called subscriber, the loop back circuit is ON-OFF controlled in synchronism with the ON-OFF control of the ringing tone so that a tone signal generated from a common continuous ring back tone source can be transmitted to the loop back circuit and the calling telephone set via a speech path of a switching network.Type: GrantFiled: April 24, 1985Date of Patent: May 5, 1987Assignee: Hitachi, Ltd.Inventors: Takuji Mukaemachi, Hirotoshi Shirasu, Taihei Suzuki
-
Patent number: 4633460Abstract: This invention relates to a time division switching system for exchanging audio signals, data and so on in a time division manner. This time division switchboard comprises a plurality of separate local exchange units capable of interfacing with various different circuits such as subscriber lines, trunk lines, service circuits and so on, one or a plurality of junctor high ways connected to a time switch of each of the local exchange units, and one or a plurality of tandem exchange units each having a time switch connected to the other ends of the junctor high ways and switching by the time switch. Each of the local exchange units selects a channel on an arbitrary junctor high way and transmits control information concerning other one of the local exchange units to which a calling is to be sent, to one of the tandem exchange units which has the selected junctor high way connected thereto.Type: GrantFiled: November 29, 1984Date of Patent: December 30, 1986Assignee: Hitachi, Ltd.Inventors: Taihei Suzuki, Takashi Morita, Hirotoshi Shirasu, Hiroshi Kuwahara, Eiichi Amada
-
Patent number: 4543652Abstract: A time-division switching unit for connecting a desired channel of a desired one of a plurality of input highways to a desired channel of a desired one of a plurality of output highways is disclosed. A frame synchronization circuit of the time-division switching unit variably delays signals of the input highways within one channel period, writes the signals to a speech memory for each channel, modifies write addresses to the speech memory to attain frame synchronization, extracts frame synchronization signals of the respective highways from the input and output of the speech memory, and controls the amount of delay within one channel period and the amount of address modification by the extracted synchronization signals.Type: GrantFiled: July 27, 1983Date of Patent: September 24, 1985Assignee: Hitachi, Ltd.Inventors: Eiichi Amada, Hiroshi Kuwahara, Hirotoshi Shirasu, Taihei Suzuki, Takashi Morita