Assignee
FERRANTI PLC
GB70 patents
Top patents by PatentIndex Score
US4601206AJul 22, 1986
Accelerometer system
FERRANTI PLC265 citations97
US4691446ASep 8, 1987
Three-dimensional position measuring apparatus
FERRANTI PLC67 citations95
US4686615AAug 11, 1987
Power supply circuit
FERRANTI PLC79 citations93
US4701745AOct 20, 1987
Data compression system
FERRANTI PLC241 citations92
US4611491ASep 16, 1986
Accelerometer system
FERRANTI PLC38 citations92
US4722601AFeb 2, 1988
Apparatus for determining the direction of a line of sight
FERRANTI PLC85 citations90
US4714873ADec 22, 1987
Microwave noise measuring apparatus
FERRANTI PLC57 citations90
US4680012AJul 14, 1987
Projected imaged weapon training apparatus
FERRANTI PLC80 citations86
US4481448ANov 6, 1984
Automatic electrical motor speed control
FERRANTI PLC47 citations86
US4619616AOct 28, 1986
Weapon aim-training apparatus
FERRANTI PLC64 citations85
US4618858AOct 21, 1986
Information display system having a multiple cell raster scan display
FERRANTI PLC43 citations85
US4612720ASep 23, 1986
Large scale display
FERRANTI PLC31 citations84
US4450585AMay 22, 1984
Signal switching and combining systems for diversity radio receiving systems
FERRANTI PLC51 citations82
US4768028AAug 30, 1988
Display control apparatus having a cursor
FERRANTI PLC41 citations81
US4500207AFeb 19, 1985
Non-dispersive optical determination of gas concentration
FERRANTI PLC43 citations81
US4587594AMay 6, 1986
Electrical circuit assemblies
FERRANTI PLC22 citations80
US4571663AFeb 18, 1986
Electrical circuit assemblies
FERRANTI PLC25 citations80
US4484290ANov 20, 1984
Line disturbance monitor
FERRANTI PLC27 citations80
US4643539AFeb 17, 1987
Sightline stablisation apparatus
FERRANTI PLC21 citations78
US4554448ANov 19, 1985
Optical elements
FERRANTI PLC20 citations78
US4625408ADec 2, 1986
Measuring apparatus
FERRANTI PLC7 citations74
US4580138AApr 1, 1986
Measurement-expressing apparatus
FERRANTI PLC20 citations73
US4547677AOct 15, 1985
Radiation detecting apparatus for detecting a brief radiation signal
FERRANTI PLC14 citations73
US4538177AAug 27, 1985
Automatic equipment
FERRANTI PLC16 citations73
US4578603AMar 25, 1986
Temperature-independent gain control circuit
FERRANTI PLC16 citations72
US4633104ADec 30, 1986
Bipolar transistor logic circuits
FERRANTI PLC8 citations71
US4608529AAug 26, 1986
Constant voltage circuits
FERRANTI PLC8 citations71
US5387973AFeb 7, 1995
Detector apparatus for detecting coherent point-source radiation
FERRANTI PLC8 citations70
US4432038AFeb 14, 1984
Circuit assemblies
FERRANTI PLC11 citations70
US4694229ASep 15, 1987
Servo positioning system
FERRANTI PLC23 citations69
US4644302AFeb 17, 1987
Microwave power divider
FERRANTI PLC12 citations69
US4641038AFeb 3, 1987
Imaging device
FERRANTI PLC21 citations69
US4638221AJan 20, 1987
Reaction force compensator
FERRANTI PLC14 citations69
US4903276AFeb 20, 1990
Power supply for radio-frequency excited gas laser
FERRANTI PLC9 citations68
US4703489AOct 27, 1987
Waveguide laser
FERRANTI PLC11 citations68
US4458982AJul 10, 1984
Optical scanning system including a rotatable drum with mirrors and including a rotatable optical shutter
FERRANTI PLC16 citations68
US4651951AMar 24, 1987
Apparatus for the removal of helmet-mounted equipment
FERRANTI PLC17 citations67
US4520427AMay 28, 1985
Electrical circuit assemblies
FERRANTI PLC13 citations66
US4764002AAug 16, 1988
Balanced optical system
FERRANTI PLC14 citations65
US4610758ASep 9, 1986
Manufacture of printed circuit boards
FERRANTI PLC13 citations65
US4413316ANov 1, 1983
Data processing system for pre-planning the flight of an aircraft
FERRANTI PLC9 citations63
US4636700AJan 13, 1987
Position servo system
FERRANTI PLC15 citations62
US4630111ADec 16, 1986
Image distortion correction system for electro-optic sensors
FERRANTI PLC16 citations62
US4627061ADec 2, 1986
Gas laser apparatus having constant power output
FERRANTI PLC2 citations61
US4760313AJul 26, 1988
Cathode ray tube display systems
FERRANTI PLC4 citations60
US4389697AJun 21, 1983
Circuit assembly having a component with leads extending therefrom and a connector both supported on a planar substrate
FERRANTI PLC3 citations60
US4779286AOct 18, 1988
Multiple-fold laser
FERRANTI PLC12 citations59
US4772798ASep 20, 1988
Optical scanning apparatus
FERRANTI PLC13 citations59
US4714321ADec 22, 1987
Optical viewing apparatus
FERRANTI PLC6 citations59
US4667296AMay 19, 1987
Testing the transfer function linearity of analogue input circuits
FERRANTI PLC10 citations59
Showing the top 50 of 70 patents by PatentIndex Score.