H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 7/16 (2006.01) H04B 10/12 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2084928
FIBER OPTIC TELEPHONE LOOP NETWORK Abstract of the Disclosure Novel fiber optic telephone loop networks are disclosed. In the networks, single mode fiber optics are used for feeder and distribution segments of the loop but multimode fiber optics are used for the drops. The use of the multimode fiber optics has permitted the use of less costly optoelectronic devices. Surface light emitting diodes are such economical but reliable parts. Fiber service terminals located near customer homes convert single mode operation to the multimode operation. The networks are relatively easy to install and upgrade and are very economically competitive with other known FTTC and FITH schemes. - i -
Bears James A.
Bell-Northern Research Ltd.
Northern Telecom Limited
Toyooka Yoshiharu
LandOfFree
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