1
Scott A Inrig, Alan S J Chapman: Method for providing a substitute memory in a data processing system. Northern Electric Company, Achmed N Sadik, April 17, 1979: US04150428 (65 worldwide citation)

A method for substituting one memory module for another, faulty, memory module comprises designating and marking a memory module as the substitute module, which, upon detection of a fault in the other memory module, is inhibited from responding to its own address when called, and responds to the add ...


2
Frederick David King, Anthony John Springthorpe: Integral lens light emitting diode. Northern Electric Company, Sidney T Jelly, September 14, 1976: US03981023 (64 worldwide citation)

A light emitting diode structure has one or more convex lens formations formed on the surface through which the light issues to provide larger incident angles and reduce internal reflection. Conveniently the structure comprises a multi-layer epitaxially grown structure, and the lens or lenses may be ...


3
Pak Jong Chu: Multi-contact push-button switch and plural embodiment for keyboard switch assembly. Northern Electric Company, Sidney T Jelly, June 14, 1977: US04029916 (59 worldwide citation)

A push button switch has a spring contact plate and a circuit board in superposed position. The spring contact plate has one or more switch positions, each switch position comprising a prestressed domed portion surrounded by a flat sheet portion. The domed portion includes a central portion and radi ...


4
Werner Frank Eisele Kanata, Detlef Zimmermann Ottawa: Multiple conductor cable terminal. Northern Electric Company, John E Mowle, October 31, 1972: US3701835 (57 worldwide citation)

A multiconductor cable terminal unit, particularly useful in aerial telephone outside plant applications utilizing unpressurized PVC cable is disclosed. The terminal unit, designed for installation by a telephone lineman provides a limited access cable compartment within which electrical leads from ...


5
Pak Jong Chu, Cornelis Wilfred Reedyk: Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs. Northern Electric Company, Sidney T Jelly, December 7, 1976: US03996429 (54 worldwide citation)

A push-button switch has a spring contact plate and a circuit board in superposed position. The spring contact plate has one or more switch positions, each switch position comprising a prestressed domed portion surrounded by a common flat sheet portion. The spring contacts of each prestressed dome p ...


6
Bruce Robert Barrett, Alan Stanley John Chapman: TDM PCM Communication system. Northern Electric Company, Frank Turpin, January 17, 1978: US04069399 (52 worldwide citation)

A TDM PCM communication system includes a plurality of user terminals, a switching network and a CPU for controlling the establishment of transmission paths between the user terminals and the switching network for the transfer of information between predetermined ones of the user terminals. An incom ...


7
Dalgleish Jack Frank, Lukas Helmut Hans: Optical fibre connectors. Northern Electric Company, Jelly Sidney T, May 27, 1975: US3885859 (49 worldwide citation)

An optical fibre connector for connecting optical fibres in accurate end-to-end alignment has two holding members, a holding member for each fibre. A shaped groove, for example a Vee-groove, is provided generally in one of the holding members. A fibre is held in each member and as the two holding me ...


8
Helmut H Lukas, Jack F Dalgleish: Clamp for an optical fibre. Northern Electric Company, Sidney T Jelly, March 30, 1976: US03946467 (46 worldwide citation)

A clamp for a plastic coated optical fibre comprises a tubular portion which is a fairly close sliding fit on the coated fibre and an axially split portion having at least one resilient axially deformable finger. The dimension across the split section is slightly larger than across the other portion ...


9
Anthony John Springthorpe: Alignment of optical fibers to light emitting diodes. Northern Electric Company, Sidney T Jelly, July 13, 1976: US03968564 (44 worldwide citation)

Accurate alignment between an optical fiber and a light emitting diode -- having a double heterostructure -- is obtained by building the multilayer heterostructure on a substrate surface on which has previously been formed a mesa. After formation of the structure, and forming of a contact on the out ...


10
Lenaerts George Victor, Auzins Eric Egils: Telephone data set including visual display means. Northern Electric Company, Turpin Frank, November 18, 1975: US3920926 (34 worldwide citation)

A conventional telephone set having a pushbutton pad is modified to include a memory system through which any information keyed on the pushbutton pad must pass before it is transmitted on the telephone line. The use of a memory allows the data stored therein to be viewed on a visual display and thus ...