Sony Corporation

Tetra Laval Holdings & Finance S.a.

Adv Antest Corporation

Hoya-schott Corporation

Hoya Corporation

Norio Kobayashi

Katsunori Kitaru

Shigeru Kurosu

Masazumi Kaino

Akira Inoue

Peter Frisk

Sumio Otsuka

Hiroaki Ogita

Masashi Watanabe

Takayuki Momose

Masao Araya

Thomas Stridsberg

Daigaku Kumano

Ryuta Kanno

Masayuki Ishikawa

Satoru Amano

Yoshihiro Nakamura

Hideki Hanamura

Shuhei Yukawa

Yasuo Kogure

Jun Tanaka

Kouji Miyauchi

Tooru Kuronuma

Akihito Shinohara

Tadakatsu Ikenoya

Hideyuki Okabe

Hideaki Kurachi

Masanori Akiyama

Toru Yamauchi

Morio Hara

Shuhei Nakada

Yosuke Jinbo

Hideki Shirasu

Katsumi Hiratsuka

An electronic apparatus includes a first unit having a first power switch for turning on/off a data processing part, a hard disk drive device, a power supply part and the electronic apparatus, a second unit that is separated from the first unit, is supplied with the power from the power supply part in the first unit, and has a drive device of a detachable recording media and a second power switch having the same function as that of the first power switch, and a cable for communicating data between the first unit and the second unit and supplying power from the power supply part of the first unit to the second unit.

Electronic apparatus and cooling method thereof

A modulation apparatus comprising a first modulating section that outputs a first modulated signal having a fixed amplitude and a set phase; a second modulating section that outputs a second modulated signal having the fixed amplitude and a set phase; an adding section that outputs the output signal as the sum of the first and second modulated signals; a calculating section that calculates two phases to be set respectively in the first and second modulating sections, based on designated amplitude and phase; an allocating section that allocates, for the first and second modulated signals, the two phases calculated by the calculating section such that the first and second modulated signals are each connected more smoothly; and a setting section that sets the phase allocated for the first modulated signal in the first modulating section and sets the phase allocated for the second modulated signal in the second modulating section.

Modulation apparatus, phase setting method and test apparatus

Provided is a modulation apparatus that outputs an output signal having a designated amplitude and a designated phase, comprising a first variable delay section that outputs a first delayed signal obtained by delaying a periodic signal by a set delay time; a second variable delay section that outputs a second delayed signal obtained by delaying the periodic signal by a set delay time; an adding section that adds together the first delayed signal and the second delayed signal, and outputs the result as the output signal; and a setting section that sets the delay times for the first variable delay section and the second variable delay section according to the designated amplitude and the designated phase.

Modulation apparatus and test apparatus

A keyboard includes a keyboard unit and casing. The keyboard unit is rectangular and includes a first and second surface, the first surface including at least one key disposed thereon, the second surface including a protrusion portion that protrudes therefrom. The protrusion portion includes an engagement hole open toward a first direction that corresponds to a longitudinal direction of the rectangle. The casing includes a third surface on which the keyboard unit is mounted, the third surface including an insertion or through hole into which the protrusion portion is insertable, the casing including an engagement protrusion provided at a position opposed to the engagement hole of the protrusion portion that is inserted into the through hole, the engagement protrusion being engaged with the engagement hole of the inserted protrusion portion when the keyboard unit is moved in the first direction. A method of assembling the keyboard is also described.

Keyboard connection configuration and electronic device

In a PLL circuit, an oscillation frequency is quickly and accurately locked to a target frequency. There is provided a PLL circuit, including a VCO that controls the frequency of an output signal according to a voltage of an input signal, a loop divider that divides the frequency of a signal, which is acquired by causing a mixer to mix a local signal generated by a local oscillator and the output signal with each other, by N, and a reference frequency divider that divides the frequency of a reference signal, which is output by a reference signal oscillator, by R. Also provided is a phase comparator that outputs a signal according to a difference in phase between an output of the loop divider and an output of the reference frequency divider, a loop filter that passes low frequency components, and supplies the VCO with the low frequency components, a subtractor that outputs a difference between a voltage of the input signal to be supplied to the VCO so that the frequency coincides with a target value and the output of the loop filter, and switches that supply the loop filter with the output of the phase comparator or the output of the subtractor.

Phase locked loop circuit that locks the oscillation frequency to a target frequency

A modulation circuit is provided that generates an output signal obtained by modulating an input signal with a local signal and includes a local input section that receives the local signal and generates the local signal and an inverted local signal obtained by inverting the local signal, a signal input section that receives the input signal and generates the input signal and an inverted input signal obtained by inverting the input signal, a first multiplying section that outputs from a terminal that receives the input signal a first multiplied signal obtained by multiplying the local signal with the input signal, a second multiplying section that outputs from a terminal that receives the inverted input signal a second multiplied signal obtained by multiplying the inverted local signal with the inverted input signal, an output section that adds the first multiplied signal to the second multiplied signal and generates the output signal, and a transmission line that sends to the output section the first multiplied signal output by the first multiplying section and the second multiplied signal output by the second multiplying section and has an electrical length according to a predetermined frequency as the frequency of the input signal.

Modulation circuit

An electronic apparatus includes a drive for recording/reproducing a recording medium, and a sound absorbing member having a Helmholtz resonator for insulating sounds at a predetermined frequency among sounds generated by the drive.

Electronic apparatus and sound insulating method thereof

A computer having a housing including a passage extending from one side to an opposite side of the housing, and a plurality of air intake vents arranged in at least one wall of the passage and configured for taking in external air into the housing.

Cooling air intake structure and desk top computer

An electronic device includes a device main frame portion, a display portion supported by the device main frame portion, a keyboard, and a casing on which the keyboard is disposed. The keyboard includes a plurality of operating keys, a placement base in which the plurality of operating keys are disposed, and a plurality of retaining portions disposed on at least portions of the placement base of the keyboard other than an outer circumferential portion. The keyboard is disposed on a casing. A plurality of connection retaining portions are provided on the casing, on which connection retaining portions the plurality of retaining portions of the placement base are retained, respectively.

The present invention is drawn to a strip tape which does not undergo lowering of bonding force and which does not cause pollution of the natural environment, working environment, etc. The strip tape includes a center layer containing a polar resin, and at least one polyolefin layer laminated, via a bonding layer, on each face of the center layer. The bonding layer contains an ethylene-methacrylic acid-alkyl acrylate random copolymer. Since the strip tape includes a center layer and at least one polyolefin layer, the interlayer bonding force of the strip tape is high, the bonding strength between the center layer and the polyolefin layer can be increased, and the waterproofing property of the strip tape can be enhanced. Even when a packaging container including the strip tape is heated or cooled sharply during use, the interlayer bonding force of the strip tape is not lowered.

Strip tape

An information-processing apparatus has housing enclosing at least one electronic part and has at least one opening and a passage connecting the opening and allowing air to flow therein. The apparatus has an air intake member, which is arranged in the passage, having two air intake portions for separating the air flown in the passage through the opening into its first and second portions. The apparatus has a first exhausting device that exposes the electronic part to the first portion of the air separated in the air take member and exhausts the first portion of the air to outside and a second exhausting device that exposes the electronic part to the second portion of the air separated in the air take member and exhausts the second portion of the air to outside. At least one air intake portion of the air intake member is positioned facing the electronic part.

Information-processing apparatus and cooling system used therein

A pivoting mechanism for a stand which is supported for pivotal motion on a rear face of an apparatus body, which includes a body side secured member secured to the apparatus body, a pair of stand side secured members secured to the stand, a pair of pivot shafts configured to connect the body side secured section and the pair of stand side secured members to each other and serving as a fulcrum for the pivotal motion of the stand with respect to the apparatus body, a spring member configured to provide pivoting force to the stand in a direction in which an end portion of the stand approaches a lower end portion of the apparatus body, and a pivoting angle changing lever configured to change the pivotal motion permitting angle of the stand with respect to the apparatus body in response to an operation position thereof.

Pivoting mechanism for stand and electronic apparatus

A cooling air intake structure of a desk-top computer having a housing containing a mother board with a processor, includes one of a passage frame extending from one side to the other side of the housing, defining a passage penetrating through the housing and having a predetermining cross-sectional area, and a recess portion, on each of the sides of the housing, having a predetermined cross-sectional area. The passage frame and the recess portion have a plurality of air intake vents in the wall thereof.

Growing community of inventors

Tokyo, Japan

Norio Kobayashi