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Home › Optical wavelength-division switching system with coherent optical detection system

Optical wavelength-division switching system with coherent optical detection system

US Patent 4807227 · Granted Feb 21, 1989

Estimated economic value: $13,000 ⓘ

Assignee

Nec

Inventors

Masahiko Fujiwara (22 patents)
Minoru Shikada (7 patents)
Kazuhisa Kaede (12 patents)

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