Casio Computer Co., Ltd.

Shinobu Sumi

Kazuhiro Sasaki

Hiroshi Matsumoto

Minoru Kanbara

Yoshiaki Nakamura

Kaoru Someya

Takumi Yamamoto

Yasushi Mizutani

Takafumi Ohashi

An image processor by way of a transistor array in which a plurality of transistors are formed on a substrate comprising a plurality of polysilicon thin-film transistors using a first semiconductor layer composed of polysilicon formed on the substrate and functional devices having a plurality of amorphous silicon thin-film transistors using a second semiconductor layer composed of amorphous silicon which are formed in an upper layer more superior than the first semiconductor layer. The polysilicon thin-film transistors and functional devices include a plurality of electrode layers composed of a conductor layer, for instance, the functional devices at least of any one of the electrode layers are formed in the same layer as any one the electrode layers of the polysilicon thin-film transistors.

Transistor array, manufacturing method thereof and image processor

A driver circuit provided with a shift signal generator for sequentially outputting shift signals at a predetermined time interval; a plurality of amplifiers respectively receiving a plurality of detection signals read out in parallel corresponding to a detectable object image pattern and respectively receiving the shift signals, wherein the plurality of amplifiers respectively amplify and output the detection signals inputted thereto based on the output timing of each of the shift signals inputted thereto; a data converter for outputting in time series each of the amplified detection signals outputted from each of the amplifiers based on the output timing of each of the shift signals and for generating time series read data. Power consumption and the amount of heat generation are suppressed in the driver circuit provided with means to individually control a supply state of electrical current to each of the amplifiers.

Driver circuit, related drive control method and image reading apparatus

Disclosed is an image inputting apparatus including: a base; a sensor main body coupled with the base so as to be able to move in a vertical direction on the base; a switch provided on either one of an upper surface side of the base or a lower surface side of the sensor main body; and a convex part provided on another one of the upper surface side of the base or the lower surface side of the sensor main body at a position facing to the switch.

Image inputting apparatus

The level shift circuit in the semiconductor circuit of the invention has a configuration comprising an input stage inverter circuit which inputs an input signal having a first voltage amplitude and outputs an inverted signal of this input signal, an output stage inverter circuit which inputs at least the output signal of the input stage inverter circuit and the output signal has a second voltage amplitude larger than the first voltage amplitude and a bootstrap circuit section which boosts a voltage value of input signal voltage of the output stage inverter circuit and the potential difference of the input signal and the output signal is held as a voltage component. The level shift circuit of each circuit is a Thin-Film Transistor at least using a semiconductor layer composed of amorphous silicon having single channel polarity as a switching element.

Semiconductor circuit

In a photosensor system formed of a photosensor array including a plurality of photosensors arranged in a two dimensional direction, the intervals of the reset pulse, read pulse and pre-charge pulse applied to each row of the photosensor array are respectively set equal to the sum of the reset period, the read period, and the pre-charge period. It follows that even where the read processing time of a single screen is shortened by allowing the processing cycles for the rows to partially overlap with each other, the reset period, the pre-charge period and the read period are prevented from being overlapped in time with each other, making it possible to perform the read operation accurately.

Drive control method for photosensor system

The present invention relates to a charging device for storing electric energy in a plurality of electrical double layer capacitors, comprising a power source circuit, a capacitor bank having a plurality of capacitors, a control circuit for switching an interconnection state of the plurality of capacitors, and a voltage monitor circuit for monitoring a charged voltage in the plurality of capacitors, which repetitively carries out a step of performing a charging operation by switching the plurality of capacitors in the capacitor bank to a serial connection state, and a step of monitoring a charged voltage by using a voltage monitor circuit by switching the plurality of capacitors to a parallel connection state until the charged voltage reaches a predetermined value. By connecting the plurality of capacitors in series when charging the same, the power source circuit can be downsized as the charging current is reduced, and by connecting the same in parallel when monitoring the voltage, each capacitor can be charged equally as a voltage in each capacitor is leveled. Further, because the voltage monitor circuit can be a single circuit, not only can the size and cost of the charging device be reduced significantly, but also a heat quantity generated from the voltage monitor circuit can be suppressed markedly, thereby making it possible to

Charging device and charging method thereof

A display apparatus comprises a liquid crystal display panel, gate driver circuit for scanning gate lines of the display panel, drain driver circuit for supplying the display data to drain lines of the display panel, level modulator circuit coupled to the display panel and control circuit. The control circuit determines that video data represents a still image data, stoped the operation of the drain driver circuit and activates the level modulator circuit. The level modulator circuit reads out from display signals from the display panel and re-writes display signals to the display panel in order to display the still image on the display panel. In this manner, the electric power consumed by the drain circuit can be conserved when the display apparatus displays the still image.

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Tama, Japan

Shinobu Sumi