Multiplex communications – Wide area network – Packet switching
Patent
1985-07-10
1988-01-26
Orsino, Jr., Joseph A.
Multiplex communications
Wide area network
Packet switching
350 9615, 350 9620, 455612, H04B 900
Patent
active
047220813
ABSTRACT:
An optical transmission system is disclosed wherein a multiplexed analog signal is supplied to a laser diode to modulate the intensity of a long-wavelength laser beam. A single mode optical fiber transmission medium has a first inclined end face at a proximal end and a second inclined end face at a distal end. The laser beam is coupled to the proximal end of the transmission medium by a coupling means including a single mode optical fiber connecting medium having one end connected to the laser diode and an opposite end having a third inclined end face complementary to the first inclined end face and a coupler for coupling the first and third inclined end faces in abutment relation. An optoelectrical transducer having a light receiving face is located adjacent the distal end of the transmission medium, the light receiving face being parallel to the second inclined end face of the transmission medium to divert rays of light reflecting from the transducer away from the angle of reentry to the transmission medium.
REFERENCES:
patent: 4307469 (1981-12-01), Casper et al.
patent: 4307934 (1981-12-01), Palmer
Deichmiller-"Progress in Fiber Optics"-IEEE Trans on Cable Television-vol. CATV-5, No. 2, Apr. 1980, pp. 50-59.
Nawata-Multimode and Single-Mode Fiber Connectors Technology-IEEE Jour. of Quantum Elect.-vol. QE-16, No. 6, Jun. 1980-pp. 618-624.
Fujito Katsuyuki
Ichida Takeshige
Nishino Yoshiki
Matsushita Electric - Industrial Co., Ltd.
Orsino Jr. Joseph A.
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