1
Kaoru Aoki, Masataka Takano, Junichirou Yanagi, Tetsushi Nakano, Miho Iino: ATM communication system. Hitachi, Antonelli Terry Stout & Kruas, April 14, 1998: US05740158 (21 worldwide citation)

An ATM communication system including a plurality of communication nodes connected in a loop form by buses, buffers disposed in each communication node, a synchronizing pulse generation circuit for conducting cell demultiplexing of all communication nodes at the same timing, storage devices disposed ...


2
Kaoru Aoki, Masataka Takano, Junichirou Yanagi, Tetsushi Nakano, Miho Iino: ATM communication system having a physical loop form with logical start point and end point. Hitachi, Antonelli Terry Stout & Kraus, February 18, 1997: US05604729 (12 worldwide citation)

An ATM communication system including a plurality of communication nodes connected in a loop form by buses, buffers disposed in each communication node, a synchronizing pulse generation circuit for conducting cell demultiplexing of all communication nodes at the same timing, storage devices disposed ...


3
Tadashi Matsuoka, Junya Kosaka, Tetsushi Nakano: Optical transmission system and optical coupler/branching filter. Hitachi, Townsend and Townsend and Crew, August 3, 2004: US06771854 (4 worldwide citation)

The objective is an optical transmission unit capable of coupling and branching signal lights of individual wavelengths at a data rate of 10 Gbits/s. In order to achieve the objective, DCFs are provided and proper values of dispersion compensation are given, so that different characteristics dependi ...


4
Tadashi Matsuoka, Junya Kosaka, Tetsushi Nakano: Optical transmission system and optical coupler/branching filter. Hitachi, Townsend and Townsend and Crew, May 13, 2003: US06563978 (3 worldwide citation)

The objective is an optical transmission unit capable of coupling and branching signal lights of individual wavelengths at a data rate of 10 Gbits/s. In order to achieve the objective, DCFs are provided and proper values of dispersion compensation are given, so that different characteristics dependi ...


5
Tadashi Matsuoka, Junya Kosaka, Tetsushi Nakano: Optical transmission system and optical coupler/branching filter. Townsend And Townsend And Crew, September 27, 2001: US20010024544-A1

The objective is an optical transmission unit capable of coupling and branching signal lights of individual wavelengths at a data rate of 10 Gbits/s. In order to achieve the objective, DCFs are provided and proper values of dispersion compensation are given, so that different characteristics dependi ...


6
Naoki Inaba, Mitsuaki Morita, Tetsushi Nakano: Transmission apparatus and method of extending the same. Hitachi, wang yong, February 24, 1999: CN98114786

A transmitter comprises a first frame including a plurality of low-speed interface units for receiving transmitted information via a low-speed transmission line, a selector which is connected with the low-speed interface units and at least selects one, a swith unit connected with the selector and di ...


7
Tadashi Matsuoka, Junya Kosaka, Tetsushi Nakano: Optical transmission system and optical coupler/branching filter. Hitachi, Townsend And Townsend And Crew, October 7, 2004: US20040197100-A1

The objective is an optical transmission unit capable of coupling and branching signal lights of individual wavelengths at a data rate of 10 Gbits/s. In order to achieve the objective, DCFs are provided and proper values of dispersion compensation are given, so that different characteristics dependi ...


8
Tadashi Matsuoka, Junya Kosaka, Tetsushi Nakano: Optical transmission system and optical coupler/branching filter. Hitachi, Townsend And Townsend And Crew, November 6, 2003: US20030206692-A1

The objective is an optical transmission unit capable of coupling and branching signal lights of individual wavelengths at a data rate of 10 Gbits/s. In order to achieve the objective, DCFs are provided and proper values of dispersion compensation are given, so that different characteristics dependi ...