Abstract: A method and an apparatus for scramble type broadcast receiving capable of proper contract management and strict prevention of illegitimate program receptions. The method includes the steps of deciphering the stored cryptogrammed contract information whenever the program information is received: temporarily storing the deciphered contract information: and de-scrambling the scrambled actual program in accordance with the status of the contract indicated by the deciphered contract information. The apparatus for performing the method and the broadcast system incorporating the method and apparatus are also disclosed.

Abstract: Pressure capsule for spray can, characterized by the fact that it principally consist of at least two chambers (2, 3), the first of which (2) is intended to be filed with a fluid under relatively high pressure and the second of which (3) is intended to be filled with a fluid up to a pressure equal or practically equal to the overpressure which normally exists in a spray can (19) and which is needed for expelling a liquid (18); in the wall of the second chamber (3), a membrane (5) that can control the valve (4); and a removable element (6) that, in its unremoved condition, keeps the valve (4) closed.

Abstract: A fiber-optic magnetic field gradiometer uses a plurality of magnetic transducers to simultaneously determine multicomponents of the gradient and field strength of an external magnetic field so as to permit accurate determination of the location of a ferromagnetic object located in an array of objects. The magnetic transducers are made of several layers of magnetostrictive glass which are wrapped with an optical fiber and immersed in an applied magnetic field to null out material differences and the earth's magnetic field. The null conditions for each adjacent pair are accomplished without disturbing the null conditions of the other adjacent pair. The nulling technique may be accomplished in real time and does not require cutting off the drive signals to adjacent coils. Thus the nulling may be accomplished simultaneously for all coils as the balancing of each coil is independent of its neighbors.

Abstract: An end wall comprises a plate having a smooth, plane fromt surface whereas its rear side is stiffened by radial ribs and annular ribs. A central insertion pin is provided on the front side of the plate. Each of the four side walls of the plate is equipped with stacking bosses limiting stacking pockets which are of complementary design to the stacking bosses. When vertically aligned end walls are being stacked side-by-side or one above the other, the stacking bosses and the stacking pockets of one side wall can be joined to the complementary stacking bosses and stacking pockets of a side wall of another end wall without a joint. Corner surfaces of the end wall are rounded off and provided with cylindrical locking bosses which have the same radius as the rounded corner surfaces.

Abstract: A movable flush window system, especially for a motor vehicle door, comprises two pressed metal panels welded together so as to form a rebate at the periphery of the location for the window on the sides other than that on which the window can be retracted between the panels. The window system further comprises two parallel panes joined together near their periphery by means of a continous spacer fixed to the two opposing faces and defining, with the contiguous outer portions of the panes, a U-shaped profile intended for capping the rebate in order to ensure the guidance and sealed closure of the window.