1
Peter J Berry, David S Ritchie: Optical raster scanning system. Barr & Stroud, Mason Fenwick & Lawrence, January 20, 1981: US04246612 (88 worldwide citation)

An optical scanning system comprises a raster scan imager mounted on a support which is rotatable in azimuth, the imager being arranged to provide a line scan which is substantially coplanar with the azimuthal rotational axis and a frame scan which is orthogonal to the line scan, a sensor is provide ...


2
Christopher J Kelly, Keith L Lewis: Infra-red transmitting optical components and optical coatings therefor. Barr & Stroud, The Secretary of State for Defence in Her Britannic Majesty s Government of the United Kingdom of Great Britain and Northern Ireland, Bell Seltzer Park & Gibson, April 16, 1991: US05007689 (40 worldwide citation)

Infrared transmitting optical components having a wide variety of substrates (e.g. ZnS, ZnSe, Ge, Si, SiO.sub.2) are disclosed all with an optical coating of boron phosphide (BP). The boron phosphide may be a single layer coating or one layer of a multilayer coating in which case it is preferably th ...


3
Gun fire control systems. Barr & Stroud, September 22, 1982: GB2094950-A (33 worldwide citation)

A gun fire control system comprises a first memory (15A) operable on receipt of a true range value from a rangefinder (16) to output the corresponding standard ballistic range value. A second memory (15B) is pre-programmed with correction coefficients (A, B, M, N) delivered to a calculator (15C) tog ...


4
Frederick W McAlpine: Fire control system. Barr & Stroud, Mason Fenwick & Lawrence, September 20, 1983: US04404890 (30 worldwide citation)

A fire control system for a gun comprises a means 10 for determining the position of a target, computer 14 which receives signals representative of the target position from the means 10 and computes fire control signals according to a known programme, the fire control signals being transmitted to a ...


5
Iain A Neil, Michael O Lidwell, William McCreath: Afocal telescopes. Barr & Stroud, Mason Fenwick & Lawrence, December 4, 1984: US04486069 (30 worldwide citation)

An afocal telescope (20) comprises an objective system (21) and an eyepiece system (23) aligned on a common optical axis (19), the objective system (21) forming a real image (24) of radiation received from object space (17) and eyepiece system (23) being arranged to provide a magnified view of the o ...


6
Ralph H Bagnall Wild, Clinton E Evans, Gordon R Smith: Fire control systems. Barr & Stroud, Finnegan Henderson Farabow Garrett & Dunner, August 2, 1988: US04760770 (29 worldwide citation)

A fire control system comprises a platform (10) rotatable in azimuth on which are mounted a gun (11) first and second sighting devices (15,25) each of which is movable in elevation, each sighting device (15,25) having its sight line nominally aligned with the barrel axis of the gun (11), the first s ...


7
Charles R Bow, Ronald J Burston: Optical fibre light guides for use with lasers. Barr & Stroud, Mason Fenwick & Lawrence, September 6, 1983: US04402569 (24 worldwide citation)

A laser photocoagulator 10, comprises a fibre optic guide 13 one end of which is accommodated by an endoscope 14 and the other end of which has a coupling 18 for connection to a laser 11 and a gas supply 12. Launch optics 32 are accurately located in coupling 18 with respect to end 34A of optical fi ...


8
Horsthuis Winfried Henri Gerar, Diemeer Martinus Bernardus Joh, Mcdonach Alaster, Copeland John Martin: Integrated optic components.. Barr & Stroud, Akzo, Nederland Ptt, March 14, 1990: EP0358476-A2 (23 worldwide citation)

An integrated optic component comprises a substrate (10) carrying a layer (11) of polymeric material which has an aliphatic or aromatic polymer backbone with bonded sidegroups exhibiting hyperpolarizability. The layer (11) shows a refractive index pattern induced by irradiation with wavelengths with ...


9
Herbert Morrison Runciman: Radiation scanning system. Barr & Stroud, Mason Fenwick & Lawrence, April 11, 1978: US04084092 (20 worldwide citation)

An object-space scanning system for radiation wherein the scanning device comprises sets of planar reflecting surfaces arranged in pairs, one from each set, such that the two surfaces in a pair are disposed substantially at right angles to each other and the line of intersection of the surfaces is a ...


10
Christopher J Kelly, Michael A Biagi, Brian C Monachan: Optical filters with coatings transmissive in narrow waveband regions. Barr & Stroud, Bell Seltzer Park & Gibson, March 21, 1995: US05399298 (17 worldwide citation)

An optical filter comprises a multilayer coating adherent to a substrate, the coating comprising at least four superimposed layer collections. Each layer collection has ordered first, second and third layers of which the first and third layers are made of a first material and are 0.6 quarter wavelen ...