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Sachio Iida patents

Recent patents with Sachio Iida listed as an inventor - additional entries may be under other spellings.


Sachio Iida - Related organizations: Sony Corporation patents

Wireless communication device and wireless communication system

03/02/17 - 20170062910 - Described are a method of generating a whirl of waves and its characteristic of attenuation proportional to a fourth power of a distance when the waves are in a state L=0 or L=±2. Accordingly, instead of an electric field induction antenna that cannot be used in the millimeter wave band,
Inventors: Sachio Iida

Wireless communication apparatus

04/14/16 - 20160105537 - [Solution] Provided is a wireless communication apparatus including: a gyrator that includes at least four terminals; a single-phase differential converter that mutually converts single-phase signals and differential signals; a low-noise differential amplifier that amplifies reception signals that the gyrator outputs; and a differential power amplifier that amplifies transmission signals to
Inventors: Sachio Iida

Communication device and detection method

01/01/15 - 20150004906 - There is provided a device including a communication device including a measurement portion configured to measure a reflection coefficient of an antenna that performs proximity wireless communication, during transmission of a transmission signal by the antenna, and a judgment portion configured to judge whether a value of the reflection coefficient
Inventors: Sachio Iida

Filter circuit, integrated circuit, communication module, and communication apparatus

11/13/14 - 20140334348 - There is provided a filter circuit including one or more first capacitors which accumulate and emit a charge at a predetermined timing, one or more first amplifiers which are provided from an input terminal side to the one or more first capacitors and output a current proportional to an input
Inventors: Sachio Iida

Filter circuit and radio terminal including filter circuit

02/28/13 - 20130049881 - There is provided a filter circuit including a passive mixer circuit, and a passive switched capacitor circuit that is connected to a rear stage of the passive mixer and includes a flying capacitor. The passive mixer circuit generates a baseband signal by multiplying an input signal supplied from a predetermined
Inventors: Sachio Iida

Communication device, communication system, and communication method

01/12/12 - 20120009870 - There is provided a communication device including: a high frequency coupler; a band-pass filter; a switching mechanism that switches an electrical length a transmission line between the high frequency coupler and the band-pass filter; a communication unit that receives hardware information of other end of communication before establishing a communication
Inventors: Sachio Iida

Communication device and communication system

10/20/11 - 20110254643 - There is provided a communication system including a transmitter and a receiver, each including a communication circuit unit that processes a high-frequency signal for transmitting data, a band-pass filter, and a high frequency coupler, a distributed constant line connecting the high frequency coupler and the band-pass filter of the transmitter,
Inventors: Sachio Iida

Filter circuit and communication device

11/18/10 - 20100289567 - A filter circuit includes a voltage-current conversion portion that converts a voltage signal input to an input terminal to a current signal, a first capacitor unit formed by a plurality of capacitors, and in which a current signal output from the voltage-current conversion portion is sequentially input to the capacitors,
Inventors: Sachio Iida, Atsushi Yoshizawa

Filter circuit and communication apparatus

10/21/10 - 20100264751 - A filter circuit according to the present invention includes a voltage-current conversion unit that converts a voltage signal input to an input end to a current signal, a capacitor group that is made up of a plurality of capacitors, where the current signal output from the voltage-current conversion unit is
Inventors: Sachio Iida, Atsushi Yoshizawa

Filter circuit and communication device

06/24/10 - 20100156564 - There is provided a filter circuit that includes: a flying capacitor which maintains polarity when switching from an input terminal to an output terminal, and the polarity of which is reversed when switching from the output terminal to the input terminal; a first capacitor that is provided in parallel with
Inventors: Sachio Iida, Atsushi Yoshizawa

Filter circuit and communication device

06/24/10 - 20100156561 - There is provided a filter circuit that includes: a flying capacitor which maintains polarity when switching from an input terminal to an output terminal, and the polarity of which is reversed when switching from the output terminal to the input terminal; a first capacitor that is provided in parallel to
Inventors: Sachio Iida, Atsushi Yoshizawa

Filter circuit and communication device

06/24/10 - 20100156560 - There is provided a filter circuit that includes a flying capacitor and a capacitor that is provided in parallel with the flying capacitor, between an input terminal and an output terminal of the flying capacitor. As the capacitor that has a predetermined capacity is provided between the input terminal and
Inventors: Sachio Iida, Atsushi Yoshizawa

Wireless communication device

09/17/09 - 20090232246 - A multiband OFDM_UWB transmitting and receiving apparatus is provided in Low-IF configuration to solve problems attributed to a direct-conversion transmitting and receiving apparatus. A Low-IF receiver performs sorting by rotating a sub-carrier after FFT to eliminate the need for frequency conversion using a second local signal and uses the same
Inventors: Sachio Iida

Solid-state image sensing device, amplification method, and imaging apparatus

09/10/09 - 20090225208 - A solid-state image sensing device includes a pixel unit that includes pixels, each of pixels outputting the pixel signal to a signal line connected thereto; and an amplifying unit that includes amplifiers connected to the corresponding signal lines. The amplifier includes a first variable capacitance element, a second variable capacitance
Inventors: Atsushi Yoshizawa, Sachio Iida

Amplifier, amplifying method, and filter

09/03/09 - 20090219086 - An amplifier is provided which includes: a first variable capacitance device of which capacitance is variable, a second variable capacitance device of which capacitance is variable, electrically connected to the first variable capacitance device, and of an inverse conductivity type from the first variable capacitance device, and a first input
Inventors: Sachio Iida, Atsushi Yoshizawa

Switched capacitor circuit, switched capacitor filter, and sigma-delta a/d converter

05/28/09 - 20090135039 - A switched capacitor circuit includes a capacitor that performs sampling, a first switch that is provided between the capacitor and an input terminal, and a second switch that is provided between the capacitor and an output terminal. The first switch and the second switch receive an input of a clock
Inventors: Sachio Iida, Atsushi Yoshizawa

Charge domain filter circuit

05/28/09 - 20090134938 - A charge domain filter circuit includes a first signal output portion, at least one second signal output, portion, a third signal output portion, and an adder portion. The first signal output portion outputs a first signal that is sampled at a specified time interval. Each second signal, output portion outputs
Inventors: Sachio Iida, Atsushi Yoshizawa

Charge domain filter circuit

05/28/09 - 20090134916 - A charge domain filter circuit includes a first signal output portion, a second signal output portion, and an adder portion. The first signal output portion outputs a first signal that is sampled at a specified time interval. The second signal output portion outputs a second signal that is sampled at
Inventors: Sachio Iida, Atsushi Yoshizawa


### Sachio Iida patent invention listings

The bibliographic references displayed about Sachio Iida's patents are for a recent sample of Sachio Iida's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Sachio Iida filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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