Patents by Inventor Kazuaki Toba

Kazuaki Toba 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).

  • Patent number: 11271706
    Abstract: A signal is transmitted at a high speed in a direction opposite to a transmitting direction of a main large-capacity channel. A first transmitting unit transmits a first signal including a clock component to an external device through a transmission path as a differential signal. A second transmitting unit superimposes a second signal including a clock component on the transmission path as an in-phase signal to transmit to the external device. A state notifying unit communicates with the external device through a pair of differential transmission paths included in the transmission path and notifies the external device of a connection state of its own device by a DC bias potential of at least one of the pair of differential transmission paths.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: March 8, 2022
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Gen Ichimura
  • Patent number: 11245869
    Abstract: This technology is to enable high quality audio reproduction on the reception side without supplying a transmission clock using a clock signal line from the reception side to the transmission side. The transmission apparatus receives encoded data capable of clock recovery from a reception apparatus (external device), generates an audio clock on the basis of a carrier clock recovered from the encoded data, and transmits audio data to the reception apparatus in synchronization with the audio clock. The reception apparatus transmits the encoded data capable of clock recovery to the external device in synchronization with the carrier clock generated on the basis of an self-generating audio clock, receives the audio data from the transmission apparatus (external device), and processes the audio data on the basis of the self-generating audio clock.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: February 8, 2022
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Toshihisa Hyakudai
  • Patent number: 11245955
    Abstract: In a case where a main stream and a control signal are transmitted in parallel between two devices, transmission of the main stream is continued without interruption of the transmission of the main stream even in a case where communication quality of the control signal is deteriorated.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: February 8, 2022
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Masanari Yamamoto, Hiroshi Morita
  • Publication number: 20220035111
    Abstract: The coupling loss of optical power on a reception side due to an axis deviation on a transmission side is satisfactorily mitigated. A connector body including an optical path adjusting unit and a lens is provided. The optical path adjusting unit adjusts an optical path such that the diameter of incident light is reduced while the incident angle is kept. The lens collects light whose optical path has been adjusted, and causes the light to be incident on a light receiver. For example, light incident on the optical path adjusting unit is collimated light. Furthermore, for example, the optical path adjusting unit has a through hole in a central portion. While the incident angle of light to the light receiver satisfies an NA, the focal distance of the lens is decreased. This can mitigate the coupling loss of optical power on a reception side due to an axis deviation on a transmission side.
    Type: Application
    Filed: November 21, 2019
    Publication date: February 3, 2022
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, MASANARI YAMAMOTO, YUSUKE OYAMA
  • Publication number: 20220026648
    Abstract: The coupling loss of optical power on a reception side due to an axis deviation on a transmission side is satisfactorily mitigated. A connector body including a first lens and a second lens is provided. The first lens converges light emitted from a light-emitting body. The second lens shapes and emits the light converged by the first lens. For example, the second lens shapes light emitted from the first lens into collimated light. The focal distance of the second lens can be increased while increase in the distance from the light-emitting body to the second lens is inhibited and the diameter of light from the light-emitting body is restricted so as to be within the diameter of the second lens. The coupling loss of optical power on the reception side due to the axis deviation on the transmission side can be mitigated.
    Type: Application
    Filed: November 21, 2019
    Publication date: January 27, 2022
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, MASANARI YAMAMOTO, YUSUKE OYAMA
  • Publication number: 20220014813
    Abstract: A cable may be satisfactorily used that has a specific function such as a register that holds specification data and a current consumption unit such as an element for adjusting signal quality. The cable is connected between a first electronic device and a second electronic device. A determination unit determines whether or not the first electronic device is a compatible electronic device. A control unit performs control to operate in a compatible mode when the first electronic device is a compatible electronic device and operate in a non-compatible mode when the first electronic device is not a compatible electronic device on the basis of the determination result by the determination unit. Furthermore, an electronic device is connected to an external device via the cable. The determination unit determines whether or not the cable is a compatible cable.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, KAZUO YAMAMOTO, MASANARI YAMAMOTO
  • Patent number: 11216213
    Abstract: A transmission apparatus is capable of accessing a register of a cable satisfactorily. An inquiry about the presence or absence of a register in a cable connected between the transmission apparatus and a reception apparatus is performed. In response to the inquiry, information indicating the presence or absence of the register is received from the cable. When the information indicates the presence of the register, the register of the cable is accessed so that acquisition of storage data or writing in the storage data is performed.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: January 4, 2022
    Assignee: SONY CORPORATION
    Inventors: Masanari Yamamoto, Hiroshi Morita, Kazuaki Toba, Kazuo Yamamoto
  • Patent number: 11200865
    Abstract: A signal is transmitted to an external device through a transmission channel. A data block containing capability information indicating existence/non-existence of compatibility with an extended function is received from the external device through the transmission channel. A layer field that indicates the connection layer is provided in this data block. A check is made to determine whether all the devices existing in the path are compatible with the extended function based on the value of the layer field provided in the data block, and the contents of the transmission signal are then determined.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: December 14, 2021
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Gen Ichimura
  • Patent number: 11194103
    Abstract: A first optical connector, a second optical connector, a first lock member, and a second lock member are equipped. The first optical connector is attached to an electronic device, and corresponds to a receptacle. The second optical connector is attached to an end an optical cable, is fittable to the first optical connector, and corresponds to a plug. The first lock member is attached to the electronic device at a position corresponding to the first optical connector not to prevent fitting of the second optical connector to the first optical connector. The second lock member is attached to the optical cable at a position corresponding to the second optical connector not to prevent fitting of the second optical connector to the first optical connector. The second lock member is fittable to the first lock member in a state of fitting between the first optical connector and the first optical connector.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: December 7, 2021
    Assignee: SONY CORPORATION
    Inventors: Masanari Yamamoto, Kazuaki Toba, Ryohei Takahashi, Shinpei Hirano, Yoshitaka Suzuki
  • Publication number: 20210320828
    Abstract: It is made possible to favorably perform signal transfer between a plurality of daisy-chain-connected devices. There is a communication line for performing communication between a first electronic device and a second electronic device. A data generating section generates first data to be transmitted to the first electronic device. Then, a data input section inputs the first data to a first position on the communication line. In addition, a first data suppressing section is provided at a second position on the communication line, the second position being closer to the second electronic device than the first position is, and the first data suppressing section prevents the first data from being sent to the second electronic device.
    Type: Application
    Filed: July 17, 2019
    Publication date: October 14, 2021
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, KAZUO YAMAMOTO, MASANARI YAMAMOTO
  • Patent number: 11146851
    Abstract: A cable may be satisfactorily used that has a specific function such as a register that holds specification data and a current consumption unit such as an element for adjusting signal quality. The cable is connected between a first electronic device and a second electronic device. A determination unit determines whether or not the first electronic device is a compatible electronic device. A control unit performs control to operate in a compatible mode when the first electronic device is a compatible electronic device and operate in a non-compatible mode when the first electronic device is not a compatible electronic device on the basis of the determination result by the determination unit. Furthermore, an electronic device is connected to an external device via the cable. The determination unit determines whether or not the cable is a compatible cable.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: October 12, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiroshi Morita, Kazuaki Toba, Kazuo Yamamoto, Masanari Yamamoto
  • Publication number: 20210209053
    Abstract: To enable preferable signal transmission between a plurality of daisy-chained devices at low cost. A transmission device generates a plurality of signals having different voltage levels and outputs the signals to a communication line at different timings. For example, the plurality of signals having different voltage levels is generated by a plurality of drivers or one driver. A receiving side can immediately determine whether or not it is information to be passed to the subsequent stage on the basis of only a difference in voltage level without logically analyzing contents of a signal, and cost of components such as a memory, verification cost, or the like are unnecessary so that the cost can be reduced.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 8, 2021
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, KAZUO YAMAMOTO, MASANARI YAMAMOTO
  • Patent number: 11054247
    Abstract: An optical axis or a diameter of light of even a light beam having a non-uniform intensity distribution is stably obtained. An outer shape of a range of a light intensity having a specified ratio with respect to a total light intensity on a cross-section of a light beam is obtained. An approximate circle is obtained from this outer shape. For example, the approximate circle is calculated by using the least-squares method. An optical axis and/or a diameter of light of the light beam is obtained on the basis of this approximate circle.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: July 6, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiroshi Morita, Kazuaki Toba, Masanari Yamamoto, Kenjiro Ueda, Ryohei Takahashi
  • Publication number: 20210194984
    Abstract: A first communication section of an information processing device performs communication in a first segment of an IP network. A second communication section performs communication with other information processing devices via a non-IP wire interface. A proxy processing section generates a wire control command that is a control command using the wire interface on the basis of an IP control command that is a control command received from a first controller belonging to the first segment. The proxy processing section executes proxy processing on the basis of the wire control command by using the second communication section. The sharing processing section shares related information relating to a proxy control by the proxy processing section with a second information processing device belonging to a second segment.
    Type: Application
    Filed: November 5, 2018
    Publication date: June 24, 2021
    Inventors: SATOSHI MIYAZAKI, KAZUAKI TOBA, GEN ICHIMURA, KAZUO YAMAMOTO
  • Publication number: 20210181424
    Abstract: Provided is an optical communication connector that includes a control unit (42). The control unit (42) controls alignment of a ferrule (170) and a lens (162). The ferrule (170) is to fix a fiber (23). The control unit (42) varies a shape of a shape variation member (21) on the basis of a communication quality of light entering the fiber (23) via the lens (162) to control the alignment.
    Type: Application
    Filed: August 22, 2019
    Publication date: June 17, 2021
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, MASANARI YAMAMOTO
  • Patent number: 11022764
    Abstract: Laser hazard at disconnection can be prevented with a simple structure. A tubular connector exterior, and a block that is incorporated on one end side of the connector exterior and on which a light emission portion or a light incident portion is mounted toward the other end side are provided. The light emission portion or the light incident portion is mounted on the block so that the optical axis direction thereof is tilted relative to the longitudinal direction of the connector exterior. The light emission portion is a lens through which light output from a light transmission path is collimated and emitted. At least part of the collimated light emitted through the lens is incident on a light diffusion portion provided inside the connector exterior.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: June 1, 2021
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Masanari Yamamoto, Ryohei Takahashi, Hiroshi Morita
  • Publication number: 20210135708
    Abstract: It is possible to determine, with a simple configuration, that the connection direction of a cable is the reverse direction. A cable is connected for use between a transmission device and a reception device, and transmits data in one direction. A connection direction determination unit determines whether the connection direction is the reverse direction, on the basis of a result of voltage monitoring at a predetermined position on a power-supply line. When the connection direction is determined to be the reverse direction, the information transmission unit transmits information indicating that the connection direction is the reverse direction, to the transmission device or the reception device.
    Type: Application
    Filed: April 15, 2019
    Publication date: May 6, 2021
    Inventors: MASANARI YAMAMOTO, KAZUAKI TOBA, KAZUO YAMAMOTO, HIROSHI MORITA
  • Publication number: 20210124123
    Abstract: [Object] To provide an optical communication connector, an optical transmitter, an optical receiver, an optical communication system, and an optical communication cable that make it possible to prevent reduction in communication quality at low cost. [Solving Means] An optical communication connector according to the present technology is capable of spatial optical coupling, and the optical communication connector includes a first lens and a second lens. The first lens magnifies light emitted from a light emitter. The second lens shapes light incident from the first lens and outputs the shaped light.
    Type: Application
    Filed: March 11, 2019
    Publication date: April 29, 2021
    Inventors: HIROSHI MORITA, KAZUAKI TOBA, MASANARI YAMAMOTO
  • Patent number: 10992727
    Abstract: It is possible to perform favorable content reproduction on a reception side. An encoded stream including a plurality of pieces of encoded data having degree-of-priority information is acquired. Among the plurality of pieces of encoded data, decoding processing is performed with respect to a piece of encoded data having a predetermined or more degree of priority, and a decoded stream including decoded data is generated. Further, among the plurality of pieces of encoded data, an encoded stream including a piece of encoded data having less than the predetermined degree of priority is generated. The decoded stream and the encoded stream are simultaneously transmitted as a partially decoded stream to the reception side via a digital interface.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: April 27, 2021
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Gen Ichimura, Satoshi Miyazaki
  • Patent number: 10983283
    Abstract: [Object] To propose an optical communication connector, an optical communication cable, and an electronic device being novel and improved that have excellent maintenance properties and can prevent parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] There is provided an optical communication connector device including: a collimating lens configured to collimate light from an optical transmission path; a refracting section arranged on a leading end side with respect to the collimating lens, and configured to refract and eject light from the optical transmission path ejected from the collimating lens; and a scattering section configured to scatter at least a part of the light ejected from the refracting section.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 20, 2021
    Assignee: SONY CORPORATION
    Inventors: Kazuaki Toba, Masanari Yamamoto, Ryohei Takahashi, Satoshi Muto, Tatsushi Nashida, Shinpei Hirano, Naofumi Yoneda