1
Christopher Frederick Carter, Roy Trevor Blunt, James Cyril Alexander Lewis, Geoffrey Michael Garner: Working fluids for electrophoretic image display devices. Plessey Handel und Investments, Fleit & Jacobson, June 6, 1978: US04093534 (205 worldwide citation)

The invention provides a working fluid for an electrophoretic image display device including a dispersion of a species of finely divided particles of an opaque dielectric material suspended in a suspension medium, each of the said particles which are transportable within the suspension medium under ...


2
Davies Terrence Ardern, Garner Geoffrey Michael, Hurditch Rodney John, Lynch James Thomas, Lanham Tony Edward, Fearnside Kenneth: Electrical interconnectors and connector assemblies. Plessey Handel und Investments, Scrivener Parker Scrivener & Clarke, January 28, 1975: US3862790 (138 worldwide citation)

An electrical interconnector for interconnecting individual pads (1) of a first row of pads with corresponding pads (1) of a second row of pads parallel to the first row, which comprises a number of separate parallel conductors (3) running across the space s between the rows of pads, and insulating ...


3
Maurice P Townshend: Connector for a cable, hose or the like. Plessey Handel und Investments, Fleit & Jacobson, May 8, 1979: US04153320 (100 worldwide citation)

A connector for a cable, hose or the like, which connector comprises a pin, a female portion having a collar, and a male portion having a ring of members which are adapted to move outwardly when the pin is pushed between a pair of the members and which are adapted to move inwardly when the pin is pu ...


4
Ironmonger Edward Albert, Billam Roy: Light emitting diode assembly. Plessey Handel und Investments, Scrivener Parker Scrivener & Clarke, January 28, 1975: US3863075 (69 worldwide citation)

A light emitting diode assembly which includes a light reflector formed at one end of, and as an integral part of a first electrical supply lead; a light emitting diode mounted within the reflector, one side of the diode junction being connected in electrical contact with the reflector which in asso ...


5
Robert C Goodfellow, Andrew C Carter: Sealing optical fibres into packages. Plessey Handel und Investments, Fleit & Jacobson, November 2, 1982: US04357072 (64 worldwide citation)

An optical fibre is sealed into a light emitting diode package by initially positioning the optical fibre above the L.E.D. and then melting a low melting point substance round the fibre and an upper support member, maneuvering the fibre until a maximum output is obtained and then allowing the low me ...


6
Peter Charles Venton, Michael Blench, Anthony Keith Sutherland, Kenneth James Hamer Hodges: Data processing memory space allocation and deallocation arrangements. Plessey Handel und Investments, Fleit & Jacobson, October 17, 1978: US04121286 (61 worldwide citation)

When a storage block is returned to the store allocator the master capability table (MCT) entry defining the block must also be deallocated. However, an arbitrary number of capability pointers to that block may still exist in the live system and these must be cancelled before the MCT entry is re-use ...


7
Cotton John Michael, Williams James Jeffrey Llewelyn, Cosserat David Cockburn: Data processing system interrupt arrangements. Plessey Handel Und Investments, November 6, 1973: US3771146 (46 worldwide citation)

A data processing system includes a memory in which information is stored in segments and at least one processor unit arranged to co-operate with the memory and provided with at least one so-called capability register arranged to store a segment descriptor which includes information indicative of th ...


8
Geoffrey Frank Hennel, Robert Henry Tappin: Mounting of optical fibres or other filaments in axial alignment with one another or with other elements. Plessey Handel und Investments, Fleit & Jacobson, May 4, 1976: US03954338 (45 worldwide citation)

In a connector member for optical fibres, a fibre is coaxially held in a holder member which is supported by a silicone-rubber liner interposed between the bore of a housing and the circumference of the holder with the facility of radial adjustment in two mutually perpendicular directions by set scr ...


9
Arnold John Spencer, Beck George Morland, Boom Roger John, Cosserat David Cockburn, Hodges Kenneth James Hamer, Sandeman Theodor Duncan, Williams Roger Morley, O Halloran Michael: Mult-processor data processing system. Plessey Handel Und Investments, Scrivener Parker Scrivener & Clarke, January 22, 1974: US3787818 (43 worldwide citation)

A data processing system includes a group of peripheral units, a plurality of memory modules, a plurality of input-output channel units for use in providing access to the group of peripheral units and a plurality of processor modules. It also includes a plurality of separate data communication paths ...


10
John F Sear, Geoffrey M Garner: Piezoelectric transducer. Plessey Handel und Investments, Fleit & Jacobson, May 29, 1979: US04156800 (37 worldwide citation)

A piezoelectric transducer including a member composed of at least two superposed plastics layers at least one of which is piezoelectric, the said at least one piezoelectric layer being sandwiched in an untensioned state between two electrically conducting electrodes; and support means for the said ...