Weak networks, cooling customer interest hurt PHS

Article Abstract:

Subscription to Japan's Personal Handy Phone System (PHS) has continued to decline, forcing carriers to abandon the service. PHS features extremely compact terminals, excellent speech quality and a 32kbps transmission rate in digital format. However, it is suitable only for walking speeds and cannot be used inside vehicles. Nippon Telegraph and Telephone has abolished its NTT Personal Group, which oversees PHS, and has shifted remaining PHS operators to the NTT DoCoMo group.

Market share, Personal communications services

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With layer, Kaneka lifts efficiency in hybrid modules

Article Abstract:

Properties and benefits of the new transparent intermediate layer used by Kaneka Corp. in developing an internal light-trapping thin-film silicon module, are described.

Product quality, Electric services, Quality management, Technology application, Solar cells, Solar batteries, Solar energy industry, Kaneka Corp.

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Often overlooked, cables prove vital to all-digital networks

Article Abstract:

An analysis on the concept of 'all-digital systems' which refers to the use of cables to connect digital components, and the benefits its offers, is presented.

Analysis, Usage, Digital communications, Cables, Digital communication

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