Chelsfield Consultants HARDWARE DESIGN








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Chelsfield consultants can design hardware solutions to fill many diverse requirements from very small (but sometimes essential) interfaces through to complete turn-key systems or sub systems. ... more

Our electronics design and programming experience ranges from PLC's and 8 bit legacy systems such as the 8085 and 1802 through to PIC controllers, 8052, i960, x86, and numerous other processors. For volume, we would seek to apply whatever VLSI techniques might be appropriate such as FPGA's or DSP devices and if the situation demands it, we would consider the implementation of full custom ASICS ... more

So whether the task is to assist you with your new product or to provide you with that essential bit of kit that's needed in the office or factory, Chelsfield can create custom solutions, many components of which are likely to have already been tried and tested.

A "stand-alone" instrument is one that is self contained and that does not rely on external systems to operate. Nowadays such instruments are usually controlled by connection to a computer, typically a PC or laptop, but many use built-in displays and control mechanisms.

This unit is used to show important stability data of large floating vessels. It was designed and built by Chelsfield Consultants and is based on mathematical models produced by the Santa-Fe Laboratories, University College London.

		CUSTOM MODULES UP TO 40GB
		LESS THAN 200 nS SUSTAINED READ / WRITE ACCESS
		DATA RETENTION > 5 YEARS (Lithium)
		SIMPLE PAGE MODE ADDRESSING
		FIRMWARE COMPRESSION AVAILABLE

Chelsfield has a history of applying electro-optic techniques in a wide range different situations. This does not just mean the occasional use of fiber transmission or in the application of "standard" optical detectors. Chelsfield Consultants have led numerous instrumentation projects which have had optical systems as part of their core functionality.

Instruments and systems developed by us have included advanced laser scanning and data acquisition systems right down to inexpensive plastic components intended for volume production.

		MEDICAL DIAGNOSTIC INSTRUMENTATION
		CIVIL AIRCRAFT INSTRUMENTATION
		ENVIRONMENTAL MONITORING (gases and particulate)
		MARINE INSTRUMENTATION
		MANUFACTURING PROCESS AUTOMATION
		PHARMACEUTICAL TESTING SYSTEMS
		AUTOMATIC INSPECTION

The picture shows red, green and blue light produced from an argon-ion laser in a high resolution real-time projection system. The laser is running in TEM (00) with a mixture of the 488 and 514 nm lines used for green and optically-separated 457 used for blue. Red is generated by splitting the 514 line out to pump a dye laser. Sophisticated electro-optic feedback systems are used to control the very high speed mechanical scanning assembly.

Derivatives of the experimental apparatus shown here were used by numerous clients including the BBC Research, Marconi, NASA and Schlumberger.

We develop network communication modules that enable you to both monitor and control virtually any process or system from within your plant. Not only that, with some additional software, you will be able to do this from anywhere in the world via an internet connection.

This rugged terminal was specified by the South African PTT. The design was a collaborative venture between third parties who designed the case and display electronics and Chelsfield who undertook the terminal electronics and firmware. Manufactured in South Africa by Telephone Manufacturers PTY, the device needed to gain both South African, US and UK approvals.

Meet Dr. David Evans of the Gastro-Intestinal Science Research Unit at the Royal London Hospital. He is modeling an instrument, designed by Chelsfield Consultants, that records small-bowel motility function.

Chelsfield also designed and built the specialist interface that allows the clinician to upload data to a PC, together with the analysis software.

Following papers written by Evans and his colleagues, these robust portable instruments have been sold to nearly 100 research centers and institutes around the world. These include Iowa State University Hospital, the Karolinska Institute, the Mayo Clinic and Edinborough Royal Infirmary.

Getting balanced sound coverage in stadiums or large auditoriums can be tricky, to say the least. Engineers can monitor line level and performance but this doesn't always convey accurate detail about the quality of sound actually experienced by the listener for a wide variety of reasons.

The Rovamix was designed by Chelsfield to enable mixing desks to be remotely controlled via radio link. The unit is outside the audio path and can address individual channels. Almost all controls of the unit are programmable with channel ID and function.



		Chelsfield has met a very wide range of standards and approvals for clients and countries and for different industrial sectors. Telecommunications: for direct connection to public switched networks: BT, (BABT and the European, US and African equivalents). Type approval for components, and systems has also been gained from many commercial organisations such as Marconi, GEC, and Northern Telecom. Quality, safety and other performance standards achieved for general industrial-control equipment of our design also includes sections of the generic ISO9000 (BS-5750). We have also worked to industry specific British Standards on documentation such as 3939, 4058, 6238 together with a variety of commercial client-produced quality design, manufacturing, and safety standards. In the aviation industry, flight deck test equipment (of Chelsfield design with sub-contract manufacture) has gained various FAA, CAA, and IAM/DOD approvals. For the medical sector, other than BS safety standards, performance and type approval has been gained from NHS procurement, FDA, and many NGO's around the world.