Inventor

ADACHI HISASHI

JP77 patents

⚠️ This page may combine multiple inventors who share the name “ADACHI HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ADACHI HISASHI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Transmitting circuit apparatus and method

Method and apparatus for synthesizing high-frequency signals for wireless communications

Mutual induction circuit

Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method

Transmitting circuit device and wireless communications device

Phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus

High frequency differential circuit, differential amplifier, differential mixer, differential oscillator, and radio circuit using same

Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method

Wireless quadrature modulator transmitter using E/O and O/E connectives

Data generating method, data generator, and transmitter using the same

FM signal converter, FM signal optical transmitter and FM signal optical receiver

Frequency synthesizer with controllable loop filter

PLL frequency synthesizer with variable bandwidth loop filter

Modulation circuit device, modulation method and radio communication device

Frequency modulator, frequency modulating method, and wireless circuit

Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication

PLL frequency synthesizer

Fast frequency switching synthesizer

Apparatus and method for controlling feedforward amplifier

Multiple frequency band synthesizer using a single voltage control oscillator

Feedforward amplifier

Voltage-controlled oscillator, radio communication apparatus and voltage-controlled oscillation method for reducing degradation of phase noise characteristic

Radio communication apparatus, radio communication method, antenna apparatus and first duplexer

Amplifier; and transmitter and communication device incorporating the same

Frequency synthesizer apparatus equipped with fraction part control circuit, communication apparatus, frequency modulator apparatus, and frequency modulating method

Radio communication base state system including optical advanced base station

Radio circuit and control method of radio circuit

Fast frequency switching synthesizer

High frequency variable gain amplification device, control device, high frequency variable gain frequency-conversion device, and communication device

Antenna duplexer and mobile communication device using the same

Fractional-N frequency synthesizer with multiple clocks having different timings

Transceiver circuits for TDMA system with variable frequency second local oscillator

Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus

Transmission circuit

Two-point modulation type phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus

Frequency modulator, frequency modulating method, and wireless circuit

Power amplifier, power distributor, and power combiner

Oscillation with multiple series circuits in parallel

Voltage controlled oscillator, FM signal optical transmitter, FM signal optical receiver and FM signal optical transmission system

Receiver and transmitter-receiver

PANASONIC CORP

Digitally-controlled oscillator, frequency synthesizer and radio communication device

Data converter and data conversion method, and transmitter circuit, communications device and electronic device using the same

Polar modulation transmission circuit and communication device

Polar modulator and wireless communication apparatus using the same

Transmitter circuit, transmission method, and communications device using the transmitter circuit

Amplifier, information communication apparatus and amplification method

Discrete time amplifier circuit and analong-digital converter

Digital controlled oscillator, frequency synthesizer, radio communication apparatus using the same, and control method for the same

Delta-sigma AD converter

Transmission circuit and communication device