Oliphant Andrew: Colour television systems.. British Broadcasting, January 19, 1983: EP0070154-A2 (8 worldwide citation)

In a colour television system the luminance signal is split into high and low frequency components, the high-frequency luminance components are frequency shifted to above the conventional television bandwidth. A conventional receiver uses the low-frequency luminance components (Y1) and the chrominan ...




Esposito Christopher: Improvements in combined roof ridge and ventilating systems for greenhouses. Esposito Christopher, January 19, 1983: GB2101654-A (8 worldwide citation)

A roof ridge structure for a greenhouse or like glazed edifice serves to support the edifice against a supporting wall and to provide ventilation for the interior. The ridge structure comprises a box-like chamber 38 having two vent apertures in series between the interior of the greenhouse and ambie ...

Springstead Hugh Thomas, Kent Gary Dennis, Intorp Bernhard Norbert: Process for phosphating metal surfaces.. Metallgesellschaft, Parker Ste Continentale, January 19, 1983: EP0069950-A1 (8 worldwide citation)

Bei einem Verfahren zum Aufbringen von Phosphatüberzügen auf Metalloberflächenmittels Phosphatierungslösungen auf Basis Zinkphosphat bringt man die Metalloberflächen mit einer Phosphatierungslösung in Berührung, die 0,5 bis 4 g/l Zn 3 bis 12 g/l PO4, 1,5 bis 7 g/l ClO3 und 1,5 bis 7 g/l wasserlöslic ...


Bonnin Michele, Musikas Claude, Vitorge Pierre: Process for separating trivalent actinides from trivalent lanthanides in an acidic aqueous solution.. Commissariat Energie Atomique, January 19, 1983: EP0070226-A1 (8 worldwide citation)

L'invention a pour objet un ?procédé? de séparation des actinides et des lanthanides présents à l'état trivalent dans une solution aqueuse acide. On met en contact la solution aqueuse acide avec un solvant comprenant un premier extractant constitué par un ligand organique à atome d'azote donneur d'é ...

Kitakami Hazime, Ishikawa Hiroshi, Tezuka Masayoshi, Adachi Susumu, Makinouchi Akifumi: Join operation processing system in relational model.. Fujitsu, January 19, 1983: EP0070119-A2 (8 worldwide citation)

A join operation processing system in relational model in which the data base processing mechanism (9) provides at least the maximum/minimum calculation execution means (21), reduction sort execution means (16) and the join operation execution mean (17); and on the occasion of the join operation for ...