1
Sethi Rajinder Singh, Brettle Jack, Watson Lauren Diana, Lowe Christopher Robin, Cullen David Charles: Biosensor device. Plessey Co, November 9, 1988: GB2204408-A (239 worldwide citation)

A biosensor device, comprises a pair of substantially parallel electrical conductors 12 laid on a surface 11 of electrical insulation material on a silicon substrate 1 and an immobilised reagent 13 containing an enzyme coated over the pair of conductors. Addition of an analyte to the reagent materia ...


2
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 ...


3
Daniel J Devlin: Integrated circuit package and lead frame. Plessey Incorporated, James J Burke II, September 15, 1981: US04289922 (189 worldwide citation)

An improved integrated circuit ceramic package meeting JEDEC-11 standards and having a nominal pin (lead) count of from 24 to 156. Control measures and assembly procedures referenced to the precise center of the die-attach area provide closer dimensional control and lead coplanarity which facilitate ...


4
Kenny Peter Gerard, Hunt Peter Charles: Method of manufacturing semiconductor devices having side-wall isolation.. Plessey Overseas, July 1, 1987: EP0227303-A2 (151 worldwide citation)

A method (Figure 7) in which a silicon or polysilicon feature (l) and overlayer of deposited dielectric (5) is protected by a covering layer (9) of nitride, a layer of polysilicon is deposited and is treated to define a sidewall fillet (l5) of oxide. It is preferred to carry out this last step by fi ...


5
Spencer David Graham: Antenna arrangements. Plessey Semiconductors, January 22, 1997: EP0755092-A2 (144 worldwide citation)

A microstrip patch or slot radiating element is coupled to a dielectric rod antenna by way of a tapered tubular dielectric guide formed integrally with the rod. An array of radiating elements may be formed on a common substrate, and the dielectric guide/rod antennae may be arranged to direct the ene ...


6
Michael T Dudek, Rupert Goodings, Emlyn Jones, David C Odhams, Peter N Proctor: Telecommunications system. British Telecommunications Public Company, Ferranti Creditphone, GEC Plessey Telecommunications, Mercury Communications, Orbitel Mobile Communications, Shaye Communications, Phonepoint, STC, Frishauf Holtz Goodman & Woodward, May 4, 1993: US05208812 (143 worldwide citation)

A communication procedure suitable for a cordless telephone system involves time division duplex radio communication between a handset 11 and a base station 3 using alternating bursts of transmission over a single radio channel. Once a radio link has been set up, initial transmissions carry a synchr ...


7
Peter G Laws: Mixer for direct conversion receiver. Plessey Semiconductors, Kirschstein Ottinger Israel & Schiffmiller, April 12, 1994: US05303417 (140 worldwide citation)

A mixer system for a direct conversion receiver, the receiver including an RF input path which is divided into I and Q paths for demodulating from the RF signals I and Q signals in phase quadrature with one another, the mixer system including first and second serially coupled mixer means in the I pa ...


8
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 ...


9
William J Stewart: Optical assay: method and apparatus. Plessey Overseas, Fleit Jacobson Cohn Price Holman & Stern, October 31, 1989: US04877747 (137 worldwide citation)

An optical assay apparatus of the type comprising an optic waveguide and a coating sensitized to a specific assay species. The light signal response of the apparatus is enhanced by coupling a resonant metallic medium to the waveguide and to the sensitized coating. To this end, a metal coated transpa ...


10
David G Spencer: Antenna arrangements. Plessey Semiconductors, Kirschstein et al, May 26, 1998: US05757323 (133 worldwide citation)

A microstrip patch or slot radiating element is coupled to a dielectric rod antenna by way of a tapered tubular dielectric guide formed integrally with the rod. An array of radiating elements may be formed on a common substrate, and the dielectric guide/rod antennae may be arranged to direct the ene ...