Abstract:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
Abstract:
In at least one embodiment of the optoelectronic lighting module (1), said lighting module comprises a printed circuit board (3) through which an opening (2) extends. The printed circuit board has fixing devices (6) for mechanically fixing the lighting module (1) to an external cooling body. A substrate (4) of the lighting module (1) is arranged in the opening (2). At least one optoelectronic semiconductor chip (5) is located on a substrate upper face (40) and is electrically connected to the printed circuit board (3) by means of the substrate (4). The printed circuit board (3) is further connected to the substrate (4) in a mechanically fixed manner. Furthermore, the printed circuit board (3) is designed to exert a mechanical force onto the substrate (4) and to press the substrate (4) against the external cooling body. The substrate (4) is designed to rest on the external cooling body in a planar manner with a substrate lower face (45).
Abstract:
An assembly of a plurality of tiles (1) with a carrier (40). The tiles (1) comprise a foil (20) with an electro-physical transducer (10) and electrical connectors (24, 28) to said transducer. The tiles are mechanically and electrically coupled to the carrier in a connection portion (1c) of said tiles.
Abstract:
Metallkernleiterplatte (1) mit einem metallischen Träger (2), auf dem auf mindestens einer seiner Hauptflächen (A, B) eine Isolierschicht (3) mit darüber angeordneten elektrischen Leiterbahnen (7a, 7b) sitzt, wobei die Metallkernleiterplatte einen Biegebereich (BB) aufweist, in welchen der metallische Träger (2) im Vergleich zur übrigen Metallkernleiterplatte (1) zumindest verdünnt ausgebildet ist. Darüber hinaus betrifft die Erfindung auch ein Verfahren zum Herstellen einer solchen Metallkernleiterplatte (1). Vorteile: Durch das Vorsehen von Biegebereichen (BB) können die elektrischen Bauelemente (10, 100) der Metallkernleiterplatte (1) in zueinander verschiedenen Ebenen angeordnet werden.
Abstract:
A capacitive touch switch is disclosed which includes a substrate (102) having a channel (120) formed between a first surface (116) and a second surface (118) thereof, thereby defining a flexible section (122) of the substrate. The capacitive touch switch also includes an insulating panel (104) having a first face and a second face, the second face adapted to be touched by a user. The capacitive touch switch may further include a capacitive electrode (128) disposed on the flexible section, a light source (132) coupled to the first surface of the flexible section, and one or more spacers (334) secured to the first surface of the flexible section. Either the light source or the one or more spacers cause the flexible section of the substrate to be deflected away from the insulating panel when the substrate and the insulating panel are urged into contact. Deflection of the flexible section creates a gap which allows the light source to illuminate an icon disposed on the insulating panel. A method of manufacturing a capacitive touch switch is also disclosed.