Nobuo TOMITA


Optical Fiber Line Testing System Employing 1.65 µm Test Light Bypass Module for In-Service Monitoring of ADM Ring Networks
Yoshitaka ENOMOTO Hisashi IZUMITA Nobuo TOMITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/08/01
Vol. E91-B  No. 8  pp. 2494-2500
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Broadband Access Technologies)
Category: 
Keyword: 
OTDRADMoptical testingoptical fibermaintenance
 Summary | Full Text:PDF(922.1KB)

Design and Fabrication of Highly-Dense Optical Components for In-Service Fiber Testing and Monitoring in Subscriber Loops
Taisuke OGUCHI Norio TAKATO Hiroaki HANAFUSA Nobuo TOMITA Yoshitaka ENOMOTO Naoki NAKAO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/25
Vol. E80-C  No. 1  pp. 123-129
Type of Manuscript:  Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
Category: 
Keyword: 
optical fibertesting and monitoringoptical branch moduleplanar lightwave circuitinterference filter
 Summary | Full Text:PDF(583.1KB)

Optical Fiber Line Surveillance System for Preventive Maintenance Based on Fiber Strain and Loss Monitoring
Izumi SANKAWA Yahei KOYAMADA Shin-ichi FURUKAWA Tsuneo HORIGUCHI Nobuo TOMITA Yutaka WAKUI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/04/25
Vol. E76-B  No. 4  pp. 402-409
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fiber Cables and Related Technologies)
Category: 
Keyword: 
optical fiberconnectorsurveillance systempreventive maintenanceoptical time domain reflectometry
 Summary | Full Text:PDF(747.6KB)

A New High-Density Cylindrical Accommodation Block for a Large Number of Optical Fiber Splices
Hitoshi YANAGIURA Hideo KOBAYASHI Junichi TAKAGI Nobuo TOMITA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 360-362
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Communication and Cables
Keyword: 
 Summary | Full Text:PDF(140.8KB)

A New Optical Slack Fiber Accommodation Block for 800-Fiber Fusion Splices
Junichi TAKAGI Hitoshi YANAGIURA Hideo KOBAYASHI Nobuo TOMITA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 363-364
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Communication and Cables
Keyword: 
 Summary | Full Text:PDF(162.7KB)