Canon Kabushiki Kaisha

Kazunari Fujii

Takahiro Akiyama

Toshio Negishi

Yukio Furukawa

Masanobu Ohmura

Suguru Miyagawa

Takaaki Yamaguchi

Hajime Sakata

Wataru Endo

Suguru Taniguchi

Takahisa Kato

Atsushi Kandori

Masao Majima

Tatsuhito Goden

Hidemasa Mizutani

Kazutoshi Torashima

Makoto Takagi

Shinichiro Iimura

Kazufumi Onuma

Shimpei Matsuo

Tatsuya Hotogi

Hideta Nishizawa

Masanori Shibata

Shunsuke Tanaka

Ryuhei Shoji

Yasuhiro Shimada

Tatsuya Suzuki

Tetsunobu Kochi

Taku Yokozawa

Yasuo Fujii

Hiroaki Kameyama

Yoshitaka Zaitsu

Yoshio Hotta

Kenjiro Hori

Hiroaki Shirakawa

Masanobu Oomura

Kohei Matsumoto

Shinichiro Watanabe

Soichiro Suzuki

Ayako Kato

Naoki Isoda

Souichirou Suzuki

A recording element substrate for a liquid ejection head is provided with a storage section including an antifuse element and a first resistor connected in parallel with the antifuse element, and a second resistor that is connected in parallel with the storage section and serves as a reference in rating information of the antifuse element, and a second switch connected to the second resistor.

Recording element substrate, liquid ejection head and recording apparatus

An optical sensor includes a bare chip mounted on a circuit board, a protection member configured to protect the bare chip, a pad connected to the bare chip via a wire, and a pattern connecting the pad and a terminal portion at an edge of the circuit board to each other. The pattern is connected to the terminal portion on a same surface as a surface on which the bare chip is mounted, and a portion of the pattern between the protection member and the terminal portion is covered with solder resist.

Optical sensor, scanner unit, and image forming apparatus

An apparatus includes a substrate, a transistor provided on the substrate and connected to a first terminal supplied with a first voltage, an anti-fuse element provided on the substrate and connected between the transistor and a second terminal supplied with a second voltage, a first resistive element provided on the substrate and connected in parallel to the anti-fuse element and between the transistor and the second terminal, and an adjusting unit provided on the substrate and configured to function so as to reduce an influence of variation in resistance of the first resistive element in reading out of information from the anti-fuse element.

Semiconductor apparatus, liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus

A semiconductor apparatus includes a transistor connected to a first potential terminal having a first potential, an anti-fuse element connected between the transistor and a second potential terminal having a second potential, a resistive element connected in parallel with the anti-fuse element between the transistor and the second potential terminal, and a temperature adjustment unit disposed to face the resistive element.

A liquid discharge head substrate, comprising a discharging element configured to discharge a liquid, a driver configured to drive the discharging element, a conductive protection film covering the discharging element via an insulating film, and a controller connected to the protection film and configured to output a control signal that sets the driver in an inactive state when a change of a voltage of the protection film or a change in a current that flows to the protection film is detected.

Liquid discharge head substrate, liquid discharge head and liquid discharge apparatus

A semiconductor device used for a liquid discharge head includes first heaters configured to apply energy to a liquid, second heaters whose resistance values are to be measured, switch elements, and first and second lines. Each of the second heaters is connected in series with a corresponding one of the switch elements between the first line and the second line. The second heaters have shapes different in at least one of length or width. A connection destination of at least one of two terminals of each of the first heaters is different from connection destinations of two terminals of each of the second heaters.

Semiconductor device, liquid discharge head, and liquid discharge apparatus

Provided is an ultrasonic detection device including: a capacitive electromechanical transducer including a cell that includes a first electrode and a second electrode disposed so as to oppose with a space; a voltage source for developing a potential difference between the first electrode and the second electrode; and an electric circuit for converting a current, which is caused by a change in electrostatic capacitance between the first electrode and the second electrode due to vibration of the second electrode, into a voltage, in which the capacitive electromechanical transducer provides an output current with a high-pass characteristic having a first cutoff frequency with respect to a frequency, the electric circuit provides an output with a low-pass characteristic having a second cutoff frequency with respect to the frequency, and the second cutoff frequency is smaller than the first cutoff frequency.

Ultrasonic detection device and ultrasonic diagnostic device

A recording element substrate includes a signal supply circuit and a common line which connects the signal supply circuit to first logic circuit array for a recording element and a second logic circuit array for a memory element in common. Furthermore, the first and second logic circuit arrays extend along a direction in which the common line extends, the first logic circuit array is disposed on one side of the common line, the second logic circuit array is disposed on the other side of the common line, and the first and second logic circuit arrays are arranged so that at least a portion of the first logic circuit array and a portion of the second logic circuit array overlap with each other in a direction orthogonal to the extending direction.

Recording element substrate, liquid discharge head, and recording apparatus

A recording element substrate includes a recording module including a plurality of recording elements and first logic circuits corresponding to the plurality of recording elements, a memory module including a plurality of memory elements and second logic circuits corresponding to the plurality of memory elements, and a common line configured to connect a signal supply circuit to the plurality of first logic circuits and the plurality of second logic circuits in common. The recording elements are arranged along an extending direction in which the common line extends, and the memory modules are disposed between the common line and the recording elements.

A semiconductor device includes a transistor connected to a terminal having a first potential, an anti-fuse element connected between the transistor and a terminal having a second potential different from the first potential, and a resistor element connected in parallel with the anti-fuse element. An electric path between the transistor and the anti-fuse element has a length smaller than a length of an electric path between the transistor and the resistor element.

Semiconductor device, liquid-discharge head substrate, liquid-discharge head, and liquid-discharge device

A semiconductor device is provided. The device comprises: a first transistor that includes a first primary terminal, a second primary terminal and a first control terminal; a second transistor that includes a third primary terminal, a fourth primary terminal and a second control terminal; and a resistive element. The first and third primary terminal are connected to a first voltage line. The second primary terminal and one terminal of the resistive element are connected to a second voltage line. The first and second control terminal, the fourth primary terminal and the other terminal of the resistive element are connected to a node. A potential change in the third primary terminal is transmitted to the first control terminal by capacitive coupling between the third primary terminal and the node, turning on the first transistor.

Semiconductor device and liquid discharge head substrate

A semiconductor device includes, an anti-fuse element, a transistor connected via the anti-fuse element to a power source terminal which may apply a voltage to the anti-fuse element, an ESD protection element connected to the power source terminal via a node, and a first resistive element disposed in an electric path between the node and the anti-fuse element, wherein resistance of the first resistive element increases with an increase of a voltage applied to the first resistive element.

Semiconductor device and recording device

A semiconductor device for a liquid discharge head is provided. The device includes first transistors configured to receive a first voltage at a first terminal and second transistors configured to receive a second voltage at a first terminal. The device further includes discharge elements configured to discharge a liquid. Each discharge element is connected between a second terminal of a first transistor and a second terminal of a second transistor. A first control circuit is configured to supply a first control signal for controlling a conductive state of the first transistors via a common signal. A stabilization circuit is configured to stabilize a voltage of at least one of the second terminal of the first transistor or the control terminal of the first transistor.

Semiconductor device, liquid discharge head, liquid discharge cartridge, and liquid discharge apparatus

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Tokyo, Japan

Kazunari Fujii