Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Retarded or delayed type
Patent
1982-12-13
1985-04-23
Sikes, William L.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Retarded or delayed type
335136, 335259, 335267, 350 9621, G02B 726, H01H 6702, H01F 708
Patent
active
045126275
ABSTRACT:
Actuating apparatus for an optical fiber switch in which a single fiber array (19) retained in a retaining block (20, 21) is movable within a housing (17) to align the single array (19) with one (10) or the other (11) of two fixed fiber arrays. A shuttle element (25) slidably extending through the housing (17) has provided at each end a disc (30, 31) the inner surfaces of which control the movement of a pair of push-rods (42, 43), also extending through the housing (17), which push-rods (42, 43) are bearable on opposite sides of the retaining blocks (20, 21). Reciprocal movement of the shuttle element (25) causes the same movement of the push-rods (42, 43) to move the movable fiber array (19) between its two switch positions. Movement of the shuttle element (25) is caused by the selective energization of two electromagnets (50, 51) mounted in opposite walls (40, 41) of an hermetically sealed outer housing (18). A pair of permanent magnets (35, 36) also mounted at opposite ends of the shuttle element (25) make possible a latching action of the apparatus.
REFERENCES:
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patent: 4407562 (1983-10-01), Young
patent: 4415229 (1983-11-01), McCullough
patent: 4452507 (1984-06-01), Winzer
Rawson et al., Optical Engineering, vol. 19, No. 4, Jul./Aug. 1980, "A Fiber Optical Relay for Bypassing Computer Network Repeaters", pp. 628-629.
Young et al., Electronics Letters, vol. 17, No. 16, Aug. 6, 1981, "Cascaded Multipole Switches for Single Mode and Multimode Optical Fibers", pp. 571-573.
Young et al., Conference: IOOC '81, Third International Conference on Integrated Optics and Optical Fiber Communications, San Francisco, CA, USA, Apr. 27-29 1981, "Moving Optical Fiber Array Switch for Multimode and Single-Mode Fibers", p. 126.
Archer Wendel E.
Luther James M.
Thieken Michael L.
AT&T Bell Laboratories
Gonzalez Frank
Marshall Dwight
Sikes William L.
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