摘要:
A security card is provided in which an ink region 6 bearing image or textural data is printed onto a substrate 4. A reflective portion 8 is also provided on the substrate 4. A plastics protective layer 7 is deposited over the ink 6 and reflective element 8. Portions 10 of the protective layer 7 are overworked in order to change their appearance. Those portions overlying the reflective element 8 exhibit enhanced visibility.
摘要:
A security card is provided in which an ink region 6 bearing image or textural data is printed onto a substrate 4. A reflective portion 8 is also provided on the substrate 4. A plastics protective layer 7 is deposited over the ink 6 and reflective element 8. Portions 10 of the protective layer 7 are overworked in order to change their appearance. Those portions overlying the reflective element 8 exhibit enhanced visibility.
摘要:
A rotary apparatus is provided in which at least one electrically controlled device (3) is attached to a rotor (1). The rotor (1) carries coils such that rotation of the rotor generates power for the device (3). A switch (4) is provided for controlling the supply of power to the device (3) and receives control signals via a contactless communications link (2).
摘要:
A rotary apparatus is provided in which at least one electrically controlled device (3) is attached to a rotor (1). The rotor (1) carries coils such that rotation of the rotor generates power for the device (3). A switch (4) is provided for controlling the supply of power to the device (3) and receives control signals via a contactless communications link (2).
摘要:
A gas supply apparatus (1) particularly for supplying oxygen comprises a gas separator (2) for separating oxygen from the other constituents of the air. The oxygen passes to a piston cavity (6) of a compressor unit (7) where it is compressed and passed to a storage means (12) from where it can be dispensed via a pressure regulator (13) to a number of emergency oxygen masks (14). The compressor unit (7) includes a number of moving parts lubricated by oil within a first cavity (8). Cavity (8) is separated from the piston cavity (6) by a purge cavity (9). In the event of an oil leak from the first cavity (8), the oil will gather in the purge cavity (9) where it is purged therefrom by the waste gas from the separator unit (2) after the oxygen has been removed. If any of the waste gas leaks from the purge cavity (9) into the piston cavity (6) it will mix with the oxygen compressed therein and form a safe mixture.
摘要:
A proximity sensor core for a proximity sensor is provided. The core has a head portion extending across a width of the sheet of material and the head has a first length. First and second leg portions extend for a second length from the same edge of the head portion. Each of the first and second leg portions extend across a portion of the width of the head portion. First and second foot portions extend for a third length from the respective first and second leg portions. The first and second foot portions have the same width as the respective leg portions. The core has a first bend between each of the first and second foot portions and the respective first and second leg portions so that the first and second foot portions extend generally perpendicular to the respective first and second leg portions.