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Brian E Pitches, Robert M S Murray, Ian A Greig: Price display setting arrangements. Ferranti, Kerkam Stowell Kondracki & Clarke, December 2, 1980: US04237537 (52 worldwide citation)

A unit price setting arrangement for differently priced products available from a remotely located dispenser for example, grades of fuel, from a pump, consists of a central transmitter and a receiver in each dispenser. The transmitter forms a series of fixed length binary words, one for each product ...


2
Brian E Pitches, Robert M S Murray, Douglas J Rogers: Capacitance measuring apparatus. 501 Ferranti, Kerkam Stowell Kondracki & Clarke, July 12, 1983: US04392378 (13 worldwide citation)

Capacitance measuring apparatus comprises a variable capacitor VC and a reference capacitor FC. Circuits D, ID, are provided for generating a periodic waveform for application directly to the variable capacitor, and in inverted form to the reference capacitor. Switches means SM are operated by contr ...


3
Brian E Pitches, Robert M S Murray: Liquid blending and dispensing apparatus. Ferranti, Cameron Kerkam Sutton Stowell & Stowell, April 24, 1979: US04150767 (12 worldwide citation)

Liquid dispensing apparatus for dispensing a blend of first and second liquids has flowmeters operable to measure the quantity of each liquid delivered. The flowmeter outputs are multiplied by a factor equal to the proportion of one liquid in the blend and used to control a stepping motor which oper ...


4
Robert M S Murray, Brian E Pitches: Dispensing preset amounts of a product. Ferranti, Kerkam Stowell Kondracki & Clarke, March 3, 1981: US04254328 (4 worldwide citation)

Apparatus for dispensing a preset monetary amount of product, such as fuel, sold by volume and for use with a dispenser which calculates and displays a continuously increasing cost of the delivery has a number of selector buttons which relate to units of cost and which when selected set an appropria ...


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