Paul F Gagen, Manuel R Santana: Optical communication cable with means for controlling coupling between cable jacket and strength members. Bell Telephone Laboratories Incorporated, Sylvia J Chin, December 30, 1980: US04241979 (56 worldwide citation)

An improved optical cable (10) having increased bending flexibilitiy along with increased tensile strength comprises means for controlling coupling between a cable jacket (28) and its reinforcing strength members (26). In one embodiment, a reinforcement bedding layer (23) is applied between a plasti ...

Soo Young Chai, Helmuth O Sautter, Wallace E Sherbon: Digital encoder for facsimile transmission. Bell Telephone Laboratories Incorporated, Sylvia J Chin, Samuel R Williamson, May 5, 1981: US04266249 (41 worldwide citation)

A scheme for digitally encoding continuous-tone information from an original pictorial image includes processing electrical signals via separate networks (20,30) to generate (a) high-resolution detail data of "black" and "white" pels, and (b) low-resolution gray-scale or background data approximatin ...

Carl E Gunnersen, Terry D Mathis: Resilient optical fiber connector. Bell Telephone Laboratories Incorporated, Sylvia J Chin, David R Padnes, March 23, 1982: US04320938 (39 worldwide citation)

A connector assembly (10) has been developed with an aligning coupler (300) and connectors (100, 200) which simplify the joining of a pair of mateable optical fiber termination structures (112, 212). The coupler (300) comprises a pair of rigid elongated members (310, 340) having inner surfaces (312, ...

Emil D Knab: Method and apparatus for manufacturing optical communication cables. Bell Telephone Laboratories Incorporated, Charles E Graves, Harry L Newman, Sylvia J Chin, December 12, 1978: US04129468 (37 worldwide citation)

A cabling technique for assembling an optical communication cable having a helically twisted stacked array of optical fiber ribbons and an extruded cable jacket to which helically stranded longitudinal strength members are tightly coupled.

Allen H Cherin, Anthony Osborne: Optical ribbon connector. Bell Telephone Laboratories Incorporated, Sylvia J Chin, March 27, 1979: US04146301 (34 worldwide citation)

Splicing of two mating optical fiber ribbons is achieved with a connector comprising a multigrooved substrate with vacuum slots normal to the fiber-receiving grooves and a mating cover. Air drawn through the vacuum slots during the splicing operation holds the exposed ribbon fibers in the grooves to ...

Wendell G Nutt, Mark E Roach: Cable design with limited color coding. Bell Telephone Laboratories Incorporated, Sylvia J Chin, December 5, 1978: US04128736 (29 worldwide citation)

While randomized splicing of twisted conductor pairs within groups in pulp cables is generally desirable to avoid electrical degradation resulting from systematic additions of capacitance unbalances, restoration of such cables, when severed, requires identification of each conductor pair for splicin ...

Raymond B Kummer, Stephen C Mettler, Calvin M Miller: Mechanical optical fiber switching device. Bell Telephone Laboratories Incorporated, Sylvia J Chin, September 23, 1980: US04223978 (27 worldwide citation)

A device (70) for switching optical signal paths of the type utilizing a plurality of light-transmitting optical fibers (40, 50) comprises a flexible elongated sleeve (20) having a longitudinally continuous interior cross section (24) with a plurality of corners (30) forming fiber-aligning grooves. ...

Almon A Muehlhausen II: Connector for plural conductors. Bell Telephone Laboratories Incorporated, Sylvia J Chin, Joseph P Kearns, April 21, 1981: US04262985 (22 worldwide citation)

A connector (10) comprising an index strip (100) with wire-retaining slots (112) for receiving individual conductors (20), a connector module (200) with wire-engaging contact elements (40) and an index-strip portion (203), and a module cap (300). The wire-retaining slots (112, 212) in the index stri ...

Leonard E O Boyle, Gabor P Torok: Graphics transmission system. Bell Telephone Laboratories Incorporated, Sylvia J Chin, Charles E Graves, November 14, 1978: US04125743 (21 worldwide citation)

This disclosure discloses a graphics transmission system using a chalk writing blackboard, a transceiver and a memory. The blackboard is a pressure-sensitive device under control of circuitry in the transceiver producing indicia of the instantaneous position of the chalk on the writing surface. An e ...

Robert J O Connor: Modular jack converter. Bell Telephone Laboratories Incorporated, Sylvia J Chin, Harry L Newman, February 12, 1980: US04188505 (14 worldwide citation)

An improved electrical jack assembly (20) for converting to modular use a telephone terminal block (10) with screw terminals (11) is disclosed. Leads (32) in the jack assembly connect at one end (31) to contact elements (27) in a modular jack (22) affixed to an assembly housing (21) and at the other ...