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Technologies
FAQ on the Company's Business and Collaborations


Characteristics of Our Technologies
  • We possess the technologies needed for reliable high-speed automatic control for optical devices.
  • We have our own special software platforms for the control of optical communications equipment and optical devices.
  • We offer comprehensive solutions for system design and development with mass-production processes in mind.
  • From production specifications to physical housing, we offer attentive and thorough proposal-based services for system design and development.

Electronic Circuit Designing

  • PD/LD and TEC circuits
  • Microcomputer and DSP circuits
  • High-speed analog feedback control circuits
  • High-speed digital feedback control circuits
  • Automatic temperature/optical level/optical wavelength/ controls

Built-in Software Designing Technology

  • LD startup sequence
  • Digital feedback calculation function
  • Monitoring and alarm functions
  • External communication interface

Key Features

♦ Transient response control technology
"Transient response,” a phenomenon specific to feedback control, may occur during the initial startup process or a state transition.  Transient response can be suppressed by our technology using high-speed digital control, which contributes to the further enhancement of the safety of the systems for our customers.   

♦ Optimized Design for Mass Production
From the choice of parts and components to the portability of software, compliance with RoHS and other directives and certifications, etc., we consider every implication to the mass production process to deliver high-quality system designs.





Our Development Activity – Areas of Experience and Achievements

Electronic Circuit Designing
  • Development of control systems for optical amplifiers and variable wavelength lasers
  • Development of control systems for direct modulation laser module (GEPON)
  • Development of control systems for high-speed optical variable attenuators
  • Development of optical fiber identifiers
  • Designing and development of 1.5GHz high-frequency relay amplifiers
  • Development of compact radio transmitting-receiving equipment for measurement in spectrum dispersion communication systems (Development of energy saving technologies for the measurement in the electronic devices manufacturing; Under the Ministry of Economy and Industry “Regional Consortium Research and Development Project” in 1998, 1999 and 2000)

Built-in Software

[ Products/Projects ]

  • Thermo-transfer printers
  • CS broadcasting receiver control unit
  • Image processing equipment
  • Remote-controlled signal control devices
  • Mobile phone terminals
  • Optical modules:Optical amplifiers and optical transmitter-receiver

[ System Type ]

  • OS-free high-speed real-time systems
  • Micro i-Tron
  • Vx-Works

[ Processor ]

  • NEC 8bit/16bit microprocessors
  • Renesas H8/M16 Series Microprocessors
  • ARM-core processors
  • TI DSP


[ Devices ]
  • SRAM / DRAM
  • Flash-ROM / EEPROM
  • OSD control devices
  • Stepping motor control devices
  • MPEG2/DEMUX video chips
  • Ir (Infrared) controllers
  • Various sensors





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