Inventor

ADACHI FUMIYUKI

JP58 patents

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

ADACHI FUMIYUKI

NIPPON TELEGRAPH & TELEPHONE

Transmission power control method and a transmission power control apparatus

Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system

Method and instrument for measuring receiving SIR and transmission power controller

Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system

Coherent tracking apparatus and method for CDMA receiver

Variable rate transmission method, transmitter and receiver using the same

Correlation detector and communication apparatus

Transmission power control method of a spread-spectrum communication system, and a spread-spectrum communication system employing the control method

Diversity system

Sliding correlator used in CDMA systems to establish initial synchronization

CDMA communications method and system

CDMA demodulator and demodulation method

Receiver and repeater for spread spectrum communications

CDMA communications method and system

Data transmittion method, data transmitting system and transmitter and receiver

CDMA communication method and group spreading modulator

CDMA mobile communication method, system and mobile station apparatus

Apparatus and method for establishing acquisition of spreading code in CDMA transmission system

Transmitter receiver for mobile communication system

Code division multiple access transmitter and receiver

Automatic gain control apparatus, communication system, and automatic gain control method

Coherent detector and a coherent detection method for a digital communication receiver

Linear predictive differential detection method for DPSK waves

Mobile diversity radio communication system

Communication system capable of performing FDMA transmission

Maximum likelihood differential detecting method and differential detector thereof

Spread spectrum communication receiver

Radio channel switching control method

Maximum likelihood decoding coherent detection method

Robust digital modulation and demodulation scheme for radio communications involving fading

Diversity system

Variable rate transmission and reception methods, and variable rate transmission and reception devices

Matched filter circuit for spread spectrum communication

Communication method and system using different spreading codes

Filter circuit for communication

Path-diversity receiving method and system of spread spectrum communication

Soft handoff system of spread spectrum communication

YOZAN INC

Signal reception apparatus for DS-CDMA communication system

Receiver in a spread spectrum communication system having low power analog multipliers and adders

Signal reception apparatus for DS-CDMA cellular system

Matched filter circuit

Matched filter circuit

Receiver apparatus for CDMA communication system

NTT DOCOMO INC

CDMA receiver and CDMA transmitter/receiver

Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit

Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication system

NTT MOBILE COMMMUNICATIONS NET

Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit

OLYMPUS CORP

Image pickup apparatus and endoscope

RENESAS ELECTRONICS CORP

Spread spectrum clock generator

INTELLIGENT COSMOS RES INST

Transmitter apparatus, communication system, and communication method