December 2009 Vol. 7 No. 12

View from the Top

• Noriaki Ito, Senior Executive Vice President, NTT WEST

Special Feature: R&D on Digital Signage as an Advertising Medium

• Metadata Delivery and Integration and Metadata Matching Technologies for Digital Signage
• Image Processing Techniques for Measuring Advertising Effectiveness of Digital Signage

Special Feature: KTN Crystal Technologies

• KTN Crystals Open Up New Possibilities and Applications
• High-resolution KTN Optical Beam Scanner
• High-speed Spectrometer Using KTN Optical Beam Scanner
• Fast Varifocal Lenses Based on KTa_1-xNb_xO₃ (KTN) Single Crystals

Letters

• High-speed, High-reliability 0.5-μm-emitter InP-based Heterojunction Bipolar Transistors
• Channelized Tunable Dispersion Compensator Consisting of Arrayed-Waveguide Grating and Liquid Crystal on Silicon

Global Standardization Activities

• Activities of IPv6 Ready Logo Program

Papers Published in Technical Journals and Conferences

• Papers Published in Technical Journals and Conferences