Sony Corporation

Oki Electric Industry Co., Ltd.

Lapis Semiconductor Co., Ltd.

Sony Semiconductor Solutions Corporation

Oki Semiconductor Co., Ltd.

Fujitsu Corporation

Murata Manufacturing Co., Ltd.

Saturn Licensing LLC

Hidekazu Kikuchi

Yasuhisa Nakajima

Gen Ichimura

Takamichi Mitsuhashi

Yoshihiro Komatsu

Masaki Sakakibara

Koji Umetsu

Takayuki Mogi

Tomokazu Tanaka

Tadayuki Taura

Yoshiyuki Akiyama

Hirofumi Kawamura

Hideo Morohashi

Naoyuki Sugeno

Katsuaki Matsui

Isao Matsumoto

Sampei Miyamoto

Hiroshi Iizuka

Morihiko Sato

Masaki Kitano

Mitsuaki Osame

Kenji Arai

Katsuhiro Kato

Naoaki Sugimura

Masahiro Segami

Shin Kitano

Masato Yamazaki

Shigehiro Kawai

Norihito Suzuki

Miho Ozawa

Yukihisa Kinugasa

Hisao Ohtake

Masaru Sekiguchi

Ryuichiro Kawai

Isami Kawabata

Atsuhiro Naka

Danya Sugai

Kunio Gosho

Takehiko Saitou

Kam Koc Vong

Ryutaro Asari

Motoyuki Osugi

Sunao Tomita

Makoto Hirota

Tohru Takeshita

A data reception device that can improve communication quality when transmitting/receiving serial data is to be provided. There is provided the data reception device including a signal generation unit that generates, from serial data received, a first signal whose value is inverted at a rising timing of the serial data and a second signal whose value is inverted at a falling timing of the serial data, and a clock recovery unit that performs clock recovery using the first signal and the second signal generated by the signal generation unit.

Data reception device and data transmission/reception device

The present technology relates to a DAC circuit, a solid-state imaging element, and electronic equipment that can be achieved with a small-scale circuit configuration. The DAC circuit includes: a ramp DAC that generates a ramp signal that changes in voltage with a constant time gradient; an injection DAC that outputs a predetermined voltage during a reset period for resetting a comparison target voltage to be compared with the ramp signal; and an adding circuit that adds an output of the ramp DAC and an output of the injection DAC and outputs the outputs to a comparison circuit as a comparison reference voltage. The present technology can be applied to, for example, a DAC circuit of a solid-state imaging element, and the like.

DAC circuit, solid-state imaging element, and electronic equipment

An imaging device for improving the determining speed of a comparator and reducing power consumption. The comparator imaging device includes a differential input circuit that operates with a first power supply voltage, the differential input circuit outputs a signal when an input signal is higher than a reference signal in voltage, and a positive feedback circuit that operates with a second power supply voltage lower than the first power supply voltage. The positive feedback circuit accelerates transition speed when a compared result signal indicating a compared result between the input signal and the reference signal in voltage, is inverted, on the basis of the output signal of the differential input circuit. The imaging device further includes a voltage conversion circuit that converts the output signal of the differential input circuit into a signal corresponding to the second power supply voltage.

Comparator, AD converter, solid-state image pickup device, electronic device, method of controlling comparator, data writing circuit, data reading circuit, and data transferring circuit

A communication circuit, a communication system, and a self-diagnosis method of the communication circuit, which facilitate specifying a failed part which causes a communication failure when a communication failure occurs in a communication system, are provided. A serial signal for self-diagnosis is supplied to a first conversion unit, a pulse signal for self-diagnosis corresponding to the serial signal for self-diagnosis output from the first conversion unit is input to a second conversion unit instead of a pulse signal received by a pulse signal reception unit, and the serial signal corresponding to the pulse signal for self-diagnosis output from the second conversion unit is transmitted to the outside via a serial signal transmission unit.

Communication circuit, communication system, and self-diagnosis method of communication circuit

A battery monitoring system includes a plurality of battery monitoring devices connected in series, such that each battery monitoring device is in communication with at least one adjacent battery monitoring device, and each battery monitoring device monitors battery cells. First and second interface devices are located along first and second communication paths including the battery monitoring devices. A controller controls the first and second interface devices to switch transmission modes between transmitting along the first communication path via the first interface device and the battery monitoring devices, transmitting along the second communication path via the second interface device and the battery monitoring devices, and transmitting along a third transmission mode in which a direction of the communication signals outputted from the first interface device and the second interface device to the plurality of battery monitoring devices are reversed.

Battery monitoring system, signal transmission method, and semiconductor device for monitoring batteries

An imaging device for improving the determining speed of the comparator and reducing power consumption. The comparator includes a differential input circuit that operates with a first power supply voltage, the differential input circuit that outputs a signal when an input signal is higher than a reference signal in voltage, a positive feedback circuit that operates with a second power supply voltage lower than the first power supply voltage and accelerates transition speed when a compared result signal indicating a compared result between the input signal and the reference signal in voltage, is inverted, based on the output signal of the differential input circuit, and a voltage conversion circuit that converts the output signal of the differential input circuit into a signal corresponding to the second power supply voltage.

A signal transmission system including: a first connector apparatus, and a second connector apparatus that is coupled with the first connector apparatus. The first connector apparatus and the second connector apparatus are coupled together to form an electromagnetic field coupling unit, and a transmission object signal is converted into a radio signal, which is then transmitted through the electromagnetic field coupling unit, between the first connector apparatus and the second connector apparatus.

Signal transmission system, connector apparatus, electronic device, and signal transmission method

A semiconductor device for measuring a voltage of a battery cell, including first and second nodes, and first and second battery voltage measurement units. The first node is configured to receive a first voltage, the first voltage being a voltage of a capacitor that accumulates an electric charge based on the voltage of the battery cell. The first battery voltage measurement unit measures the first voltage through a first path. The second node is configured to receive a second voltage based on the voltage of the battery cell, the second node being different from the first node. The second battery voltage measurement unit measures the second voltage through a second path that is different from the first path.

Semiconductor device, battery monitoring system, and diagnostic method for semiconductor device

A semiconductor device includes a voltage generation circuit configured to generate a specific voltage; a first terminal configured to output the specific voltage; a second terminal configured to receive a temperature sensitive voltage; an analog/digital conversion circuit configured to convert the specific voltage and the temperature sensitive voltage to digital values; a storage unit configured to store the specific voltage and the temperature sensitive voltage; and a third terminal configured to transmit the specific voltage and the temperature sensitive voltage to an external semiconductor device.

Semiconductor device, battery monitoring system, and method of monitoring battery

An electronic device is provided for improving the determining speed of the comparator and reducing power consumption. The comparator includes a differential input circuit configured to operate with a first power supply voltage and output a signal when an input signal is higher than a reference signal in voltage; a positive feedback circuit configured to operate with a second power supply voltage lower than the first power supply voltage and to accelerate transition speed when a compared result signal indicating a compared result between the input signal and the reference signal in voltage, is inverted, based on the output signal of the differential input circuit; and a voltage conversion circuit configured to convert the output signal of the differential input circuit into a signal corresponding to the second power supply voltage.

Comparator, ad converter, solid-state image pickup device, electronic device, method of controlling comparator, data writing circuit, data reading circuit, and data transferring circuit

A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet&#x2122; signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet&#x2122; signal bidirectionally transmitted between Ethernet&#x2122; transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit.

Interface circuit for transmitting and receiving digital signals between devices

A battery system includes a plurality of electronic storage modules serially connected together wherein the electronic storage modules include a battery block group including a plurality of battery cells, and a different magnetic core connected to each battery block group.

Electric storage apparatus, electronic device, electric vehicle, and electric power system

A semiconductor device, a battery monitoring system, and a method for activating the semiconductor device that may reduce current consumption in standby state. An integrated circuit (IC) of the semiconductor device includes an activation circuit that uses a ground of the IC as ground and a power source voltage of the IC as its power source, and a driving circuit that uses the power source voltage as ground and a boosted voltage output from a boosting circuit as its power source. In the IC, only the activation circuit enters an operation state in a standby state, and when recovered from the standby state, causes the activation circuit to make inner circuits of the IC enter the operation state based on an activation signal. When all the inner circuits enter the operation state, the driving circuit outputs the activation signal to the activation circuit of an upper IC.

Semiconductor device, battery monitoring system, and method for activating semiconductor device

Electronic equipment and methods for permitting quick control of the operating state of a source equipment side from sink equipment. A television receiver (sink equipment)and an amplifier (repeater equipment)are interconnected over an HDMI cable, and the amplifierand a DVD recorder (source equipment)are interconnected over an HDMI cable. Each of the pieces of equipment includes, in addition to an HDMI receiving unit and an HDMI transmitting unit, a high-speed data line I/F included in a bidirectional communication unit that uses predetermined lines of the HDMI cable. The bidirectional communication unit is used to transmit channel selection information, a remote control code instructing recording, 'theater mode' designating information, a remote control code, or the like from the television receiverto the audio amplifieror DVD recorder

Electronic equipment, control information transmission and reception methods having bidirectional communication using predetermined lines

Growing community of inventors

Kanagawa, Japan

Hidekazu Kikuchi