Patents by Inventor Ichiro Tomoda
Ichiro Tomoda 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).
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Patent number: 6982970Abstract: A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.Type: GrantFiled: December 27, 2000Date of Patent: January 3, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Yoshiaki Takabatake, Ichiro Tomoda, Yuzo Tamada
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Publication number: 20050281236Abstract: A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.Type: ApplicationFiled: August 26, 2005Publication date: December 22, 2005Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki Takabatake, Ichiro Tomoda, Yuzo Tamada
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Publication number: 20050281211Abstract: A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.Type: ApplicationFiled: August 26, 2005Publication date: December 22, 2005Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki Takabatake, Ichiro Tomoda, Yuzo Tamada
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Publication number: 20050216731Abstract: A content distribution apparatus for implementing copy protection when distributing digital content as a real-time stream on the Internet is provided. This apparatus encrypts content and distributes them to a receiving apparatus via the Internet, and performs an authentication procedure and a key exchange procedure between with the receiving apparatus. The encoded content encoded by a prescribed encoding system is encrypted, an encryption expansion header is generated that includes at least one attribute information of attribute information indicating whether or not the content is encrypted and attribute information indicating the encryption system used, transport protocol processing required to transfer the content is performed and a basic transport header is generated, a packet being sent which includes the basic transport header, the encryption expansion header, and the encrypted content.Type: ApplicationFiled: May 26, 2005Publication date: September 29, 2005Applicant: Kabushiki Kaisha ToshibaInventors: Takeshi Saito, Taku Kato, Ichiro Tomoda, Yoshiaki Takabatake, Junko Ami
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Publication number: 20050147053Abstract: A communication node which can reliably transfer a packet with a payload including data having error resistance in radio environments is disclosed. A packet to be transmitted is divided into segments to form a plurality of packet segments. From among a plurality of error correction schemes that have been prepared in advance, the scheme to be employed is selected for each of the packet segments in accordance with predetermined criteria, and the selected error correction scheme is applied to each packet segment. Subsequently, the processed packet segment is transmitted to the network. Packet segments are received from the network. From among a plurality of error correction schemes prepared in advance, the scheme to be employed is selected for each of the received packet segments based on predetermined information contained in each received packet segment, and the selected error correction scheme is applied to the received packet segment.Type: ApplicationFiled: December 30, 2004Publication date: July 7, 2005Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takeshi Saito, Keiji Tsunoda, Eiji Kamagata, Noriyasu Kato, Ichiro Tomoda, Hirokazu Tanaka
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Publication number: 20050094838Abstract: According to one embodiment of the invention, an electronic device comprises a speaker, a microphone, and a processor that executes pairing process with another electronic device, the processor outputs pairing signal during pairing process. The electronic device further comprises a converter coupled to the speaker, the microphone, and the processor. The converter converts the pairing signal to an audio signal when the speaker outputs audio signal to another electronic device, and converts an audio signal to pairing signal when the microphone receives the audio signal. Also, the electronic device includes a wireless communication module coupled to the processor, and the wireless communication module communicates with another electronic device after pairing process.Type: ApplicationFiled: September 9, 2004Publication date: May 5, 2005Inventors: Ichiro Tomoda, Shigemi Nakasato, Junichi Iwasaki, Kenichi Ide, Makoto Yamashita, Chikara Ushimaru
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Patent number: 6850519Abstract: A communication node which can reliably transfer a packet with a payload including data having error resistance in radio environments is disclosed. A packet to be transmitted is divided into segments to form a plurality of packet segments. From among a plurality of error correction schemes that have been prepared in advance, the scheme to be employed is selected for each of the packet segments in accordance with predetermined criteria, and the selected error correction scheme is applied to each packet segment. Subsequently, the processed packet segment is transmitted to the network. Packet segments are received from the network. From among a plurality of error correction schemes prepared in advance, the scheme to be employed is selected for each of the received packet segments based on predetermined information contained in each received packet segment, and the selected error correction scheme is applied to the received packet segment.Type: GrantFiled: September 3, 1999Date of Patent: February 1, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Takeshi Saito, Keiji Tsunoda, Eiji Kamagata, Noriyasu Kato, Ichiro Tomoda, Hirokazu Tanaka
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Publication number: 20040242278Abstract: A headset has a voice recognition unit. It allows control of an external apparatus by a voice input through a microphone. The headset also has a switch for controlling execution of a voice recognition process, so that the user can start and stop the voice recognition process as desired. The switch is provided remotely of the microphone to avoid interference with the voice commands from the user. In one embodiment, the switch is provided on one speaker unit on the side opposite to the speaker unit on which the microphone is provided in order to prevent noise, such as an operation noise of the switch, from being input to the microphone.Type: ApplicationFiled: January 30, 2004Publication date: December 2, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ichiro Tomoda, Shigemi Nakasato, Junichi Iwasaki, Makoto Yamashita, Kenichi Ide, Chikara Ushimaru
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Publication number: 20040205090Abstract: A file editing system that provides a high file content secrecy, a file version management and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by the a file management server device are enciphered in units of blocks, and the a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device.Type: ApplicationFiled: May 5, 2004Publication date: October 14, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Atsushi Shimbo, Toshinari Takahashi, Ichiro Tomoda, Masao Murota
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Publication number: 20040205340Abstract: A file editing system that provides a high file content secrecy, a file version management and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device.Type: ApplicationFiled: May 5, 2004Publication date: October 14, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Atsushi Shimbo, Toshinari Takahashi, Ichiro Tomoda, Masao Murota
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Publication number: 20040147282Abstract: An electronic apparatus for communicating with first device and second device has a wireless communication device, a system control unit, a memory, an audio input unit, a mixer and an audio and voice output unit for establishing first wireless connection between the wireless communication device and the first device, and second wireless connection between the wireless communication device and the second device. The electronic apparatus reproduces content data received through the first wireless connection. The second wireless connection is established while maintaining the first wireless connection when the wireless communication device receives a request to establish the second wireless connection from the second device while the reproducing apparatus is reproducing the content data.Type: ApplicationFiled: October 30, 2003Publication date: July 29, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shigemi Nakasato, Junichi Iwasaki, Ichiro Tomoda, Makoto Yamashita, Kenichi Ide, Chikara Ushimaru
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Patent number: 6760840Abstract: A file editing system that provides a high file content secrecy, a file version management, and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device.Type: GrantFiled: August 26, 1998Date of Patent: July 6, 2004Assignee: Kabushiki Kaisha ToshibaInventors: Atsushi Shimbo, Toshinari Takahashi, Ichiro Tomoda, Masao Murato
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Publication number: 20040063452Abstract: An electronic apparatus for executing wireless communication with a first device and a second device comprises: a unit for reproducing content data wirelessly transmitted from the first device wirelessly connected to the electronic apparatus; and a unit for executing a connecting process for establishing wireless connection between the electronic apparatus and the second device when the electronic apparatus has received, during reproduction of the content data, a communication request via the first device from the second device that is wirelessly connected to the first device.Type: ApplicationFiled: April 17, 2003Publication date: April 1, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Ichiro Tomoda
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Publication number: 20040063459Abstract: An electronic apparatus wirelessly connectable to an external device for reproducing content data comprises: a unit for transmitting, by radio, content data to be reproduced to the external device wirelessly connected to the electronic apparatus; a unit for storing status information relating to the content data; and a unit for resuming, after disconnection between the electronic apparatus and the external device, transmission of the content data to the external device based on the stored status information, when wireless connection between the electronic apparatus and the external device is re-established.Type: ApplicationFiled: April 17, 2003Publication date: April 1, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Naoya Yamashita, Junichi Iwasaki, Ichiro Tomoda
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Publication number: 20010006512Abstract: A scheme for realizing AV data transfer processing utilizing the transport layer protocol such as RTP protocol, between radio terminals in a radio system for carrying out data transfer after establishing a logical connection between radio terminals prior to data transfer between radio terminals such as Bluetooth is disclosed. In the case of transferring data packets containing an AV stream and exchanging control packets containing control information regarding transfer of the data packets, different logical channels are assigned to the data packets and the control packet so that the data packets and the control packet are transferred by these different logical channels.Type: ApplicationFiled: December 27, 2000Publication date: July 5, 2001Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki Takabatake, Ichiro Tomoda, Yuzo Tamada
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Patent number: 6163799Abstract: A navigation communication system in which a plurality of clients access information stored in a server via a network, having a personal information control section provided in the server and controls the personal information of the users of the clients which access the same information and a personal information display section provided in the client and displays the personal information controlled by the personal information control section, a selector for selecting one of the personal information displayed, and a communication application section for communicating with a client corresponding to the selected personal information.Type: GrantFiled: March 30, 1998Date of Patent: December 19, 2000Assignee: Kabushiki Kaisha ToshibaInventors: Toru Kambayashi, Ichiro Tomoda, Yasuhiko Shimomura, Takashi Ida, Hirofumi Muratani, Toshiya Takahashi, Masafumi Kondo, Satoshi Ito, Shuichi Tsujimoto, Akira Morishita, Yoshihiro Ohmori
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Patent number: 5835601Abstract: A file editing system that provides a high file content secrecy, a file version management, and an asynchronous editing is disclosed. For a high file content secrecy, the block data of files managed by a file management server device are enciphered in units of blocks, and a client device obtains the block data of the desired file in enciphered state, deciphers the obtained block data in units of blocks, carries out an editing of the desired file to obtain editing data, enciphers the editing data in units of blocks, and transmits the enciphered editing data to the file management server device.Type: GrantFiled: March 15, 1995Date of Patent: November 10, 1998Assignee: Kabushiki Kaisha ToshibaInventors: Atsushi Shimbo, Toshinari Takahashi, Ichiro Tomoda, Masao Murota
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Patent number: 5832229Abstract: The multicast communication scheme which can enable a user to easily comprehend the multicast groups existing on the network, easily carry out an operation to join a desired multicast group, and easily specify a desired communication quality. At each user terminal, a virtual space with a plurality of regions defined therein in correspondence to a plurality of multicast groups is displayed on a screen, while an information indicating a range of each region in the virtual space is stored in correspondence to an address information for a corresponding multicast group. A desired position in the virtual space on the screen is specified by an input device, and joining/leaving to/from multicast groups is controlled by using the address information stored in correspondence to a region in the virtual space which contains the desired position.Type: GrantFiled: July 26, 1996Date of Patent: November 3, 1998Assignee: Kabushiki Kaisha ToshibaInventors: Ichiro Tomoda, Toru Kambayashi, Satoshi Ito, Takashi Ida, Yasuhiko Shimomura, Toshiya Takahashi, Hirofumi Muratani, Masafumi Kondo
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Patent number: 5325494Abstract: According to this invention, a computer includes a register use information detecting unit for extracting pieces of information of registers, use of which is started and ended by executing instructions of a program, a register use information storing unit for storing information of a register whose value need be stored to execute an instruction in the program, a register use information referring unit for referring to register use information of the register use information storing unit, an instruction executing unit for executing predetermined processing for a desired register in accordance with a reference result of the register use information referring unit, and a register use information updating means for updating use information of a register stored in the register use information storing unit in accordance with outputs from the register use information detecting unit and the instruction executing unit.Type: GrantFiled: June 17, 1992Date of Patent: June 28, 1994Assignee: Kabushiki Kaisha ToshibaInventors: Toru Imai, Ichiro Tomoda, Mitsuo Saito