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Television display system. British Broadcasting, December 31, 1980: GB2050109-A (26 worldwide citation)

To provide improved resolution of a television, e.g. CRT, display with reduced large-area flicker, twittering of horizontal edges, and line structure of the picture, the field and/or line rate is increased, preferably doubled, over that of a received input television signal. In one embodiment, two f ...


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Intruder alarm. Moser M, December 31, 1980: GB2050022-A (23 worldwide citation)

An intruder or breaking glass alarm has a transmitter 102 to transmit ultrasonic wave burst into a detection zone. A receiver 103 converts the reflected components, from objects in the zone, into analogue signals which are digitised 108 and stored in a microprocessor system 115. A self-adaptive vari ...


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Digital colour control for colour picture reproduction. Dainippon Screen MFG, December 31, 1980: GB2050106-A (21 worldwide citation)

PROCEDE ET APPAREIL DE COMMANDE NUMERIQUE DES COULEURS, UTILISABLE DANS UNE MACHINE DE REPRODUCTION D'IMAGES.


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Heat sealable multilayer film. Toray Industries, December 31, 1980: GB1582186-A (18 worldwide citation)

L'invention est relative à un film soudable à chaud en polypropylène comprenant un fil de base biaxialement orienté renfermant au moins 50 % d'unités de polypropylène, ce film de base étant muni sur au moins une surface, par laminage, d'une couche soudable à chaud, caractérisé en ce que la ou les co ...


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Damper device in particular for the suspension of an engine. Peugeot, December 31, 1980: GB1581935-A (18 worldwide citation)

The device comprises two armatures one of which is for connection to a support and the other is for connection to a suspended element. A block of elastic material is interposed between, and defines with, the two armatures a closed enclosure. A partition wall provided with at least one calibrated ori ...


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Liquid crystal displays controlled via metal-insulator- metal devices. Northern Telecom, December 31, 1980: GB2050031-A (16 worldwide citation)

A liquid crystal display cell comprises two substrates 18, 22 outside a liquid crystal layer 22, with picture elements defined by pairs of opposed electrodes on the inside faces of the substrates. Voltage is applied across each element via a switch element 28 formed by a thin film metal-insulator-me ...