Kazuhiko TAKENO


Energy Conservation and Management Methods for Mobile Phone Li-Ion Battery Packs
Kazuhiko TAKENO Masahiro ICHIMURA Kazuo TAKANO Junichi YAMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/12/01
Vol. E87-B  No. 12  pp. 3430-3436
Type of Manuscript:  INVITED PAPER (Special Section on the 25th International Telecommunications Energy Conference (INTELEC'03))
Category: 
Keyword: 
mobile phoneLi-ion batteryAC adaptorcapacity deterioration
 Summary | Full Text:PDF

Quick Battery Checker for Lithium Ion Battery Packs with Impedance Measuring Method
Kazuhiko TAKENO Masahiro ICHIMURA Kazuo TAKANO Junichi YAMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/11/01
Vol. E87-B  No. 11  pp. 3322-3330
Type of Manuscript:  PAPER
Category: Energy in Electronics Communications
Keyword: 
battery checkerLi-ion batterydeteriorationimpedancecapacity
 Summary | Full Text:PDF

Design Concept and Characteristics of a Power Supply for Optical Network Units in FTTH Systems
Seiichi MUROYAMA Mikio YAMASAKI Kazuhiko TAKENO Naoki KATO Ichiro YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/05/25
Vol. E81-B  No. 5  pp. 1087-1094
Type of Manuscript:  PAPER
Category: Power Supply
Keyword: 
optical network unit (ONU)fiber to the home (FTTH)power supplybattery deterioration testNi-Cd battery
 Summary | Full Text:PDF