1
Bateman Andrew, Chan Kam Yuen: Modulators,demodulators or amplifiers. Univ Bristol, December 1, 1993: GB2267402-A (72 worldwide citation)

A highly efficient linear amplifier and/or modulator and demodulator comprising first and second feedback loops is provided. Each loop processes a component of the input signal and the component signals are recombined at, for example, a summing junction (18). The feedback signals for each loop are d ...


2
Grant Duncan: Low power audio device. Univ Bristol, April 7, 1999: EP0906660-A1 (44 worldwide citation)

A low power audio device is provided. The device comprises a signal processing circuit, such as a radio receiver (Rx) and a class D amplifier driving an output element (6). The voltage supplies to the signal processing circuit and the amplifier are set to respective levels. The voltage swings in the ...


3
Grant Duncan: Low power radio. Univ Bristol, September 5, 2001: EP1130770-A2 (43 worldwide citation)

A low power audio device is provided. The device comprises a signal processing circuit, such as a radio receiver (Rx) and a class D amplifier driving an output element (6). The voltage supplies to the signal processing circuit and the amplifier are set to respective levels. The voltage swings in the ...


4
Frost Martin, Prosser Christopher William, Goodship Alan E, Miller Christopher John: External fixator device. Univ Bristol, April 11, 1990: GB2223406-A (34 worldwide citation)

An external fracture fixation apparatus comprises an elongate support 2 carrying a plurality of pin mounting blocks 3, the support including an integral strain gauge 5. A universal pin mounting block is mounted on the support element for receiving a fixator pin in a manner which permits variation of ...


5
Cumming Ian Robert: Univ Bristol, September 19, 2001: GB2360360-A (27 worldwide citation)

A method of sorting cells, particularly sperm cells bearing X-chromosomes, comprises treating the cells to remove extra-cellular surface contamination and then subjecting the treated cells to a charge based separation technique, preferably free flow electrophoresis. The surface contamination is pref ...


6
Stone Rhodri Simon Watcyn, Brett Peter Nigel: Data entry device. Univ Bristol, November 19, 1997: GB2313195-A (26 worldwide citation)

A data entry device is provided having transducers responsive to the deformation of a surface in order to determine where a force is acting on that surface. In one embodiment which can serve as a keyboard, a digitising tablet or a pointing device, a planar resiliently deformable sheet 10 is supporte ...


7
Mills Robin Walter, Jandt Klaus Dieter: Assemblies of light emitting diodes. Univ Bristol, March 31, 1999: GB2329756-A (22 worldwide citation)

A light emitting diode 11 is formed with faces which are complementary to the faces of surrounding light emitting diodes. The assembly of light emitting diodes may be used to harden dental polymers or in cancer therapy.


8
Brett Peter Nigel, Harrison Andrew: Medical training device and method. Univ Bristol, October 25, 1995: GB2288686-A (18 worldwide citation)

The device (10) for simulating medical procedures comprises an instrument (12) movable by a user to practise the procedure, an actuator (16) connected to the instrument (12) to provide a force or resistance to the instrument to simulate the procedure, the force provided by the actuator being control ...


9
Grant Duncan: An amplifier in which the input signal is delayed to allow time for the power supply to adjust to a level which minimises power loss. Univ Bristol, September 19, 2001: GB2360410-A (14 worldwide citation)

An amplifier in which a linear amplifier output stage 14 is supplied with a variable voltage from a switched-mode power supply 19 to minimise power loss in the output stage. The input signal is sampled and digitally delayed 8 before being input to the output stage in order to allow the low-bandwidth ...


10
Purnell Graham Laurence, Crooks David Alan, Khodabandehloo Koorosh: An anatomical process.. Univ Bristol, June 15, 1994: EP0601812-A2 (12 worldwide citation)

A connective tissue cutting tool (12) is guided along the spine of a carcass from the caudal end towards the diaphragm (9) to sever the connective tissue holding internal organs to the spine. The cutting tool (12) is, i) guided along a predetermined path which is scaled according to at least one ext ...