Abstract: A digital optical receiving module including: an optical input, a first digital electrical output, an optoelectronic transducer device which converts a modulated optical signal, which is applied to the optical input, to an analog electrical signal, a decision-making device, which is electrically connected to the transducer device and converts the analog electrical signal to a digital signal and passes this digital signal to the digital electrical output, and a quality recording device, which is connected to the transducer device and determines the quality of the analog electrical signal before it is converted to a digital signal, with an information signal being produced as a function of the quality of the analog electrical signal. A method is also provided for monitoring the signal quality of a transmitted, modulated optical signal.

Abstract: A device for optical and/or electrical data transmission and/or processing has at least one electrical component, at least one optoelectronic component electrically connected to the electrical component, and an optically transparent carrier with a first surface, on which the electrical component and the optoelectronic component are disposed. Light is coupled into or out of the optoelectronic component through the carrier, and a frame is connected to the carrier, via which frame the components disposed on the carrier are electrically contact-connected. The device provides both optical and electrical inputs and outputs for optoelectronic and electrical components integrated into a device.

Abstract: An optical transmitter and a method for generating a digital optical signal sequence are provided. The optical transmitter has light transmitters which are independently drivable and generate an optical signal for each of the bits of a digital electrical signal sequence that is to be converted into a digital optical signal sequence. The optical signals are combined and superposed into an optical signal path. A control device is provided for distributing the bits between the light transmitters.

Abstract: An optical transmitting and/or receiving arrangement including an optical element mounted in an intermediate space between a base plate and a lens. The lens is supported by a structure that is mounted on the base plate, and a carrier element mounted on the base plate and has an end portion extending through an opening formed in the structure and into the intermediate space. The end portion of the carrier element is positioned adjacent to the optical element, and includes electrical feed lines that are connected to the optical element by wires or bands. A transparent casting compound is then injected through the opening into the intermediate space.

Abstract: According to the invention, waveguides are contained in an optical layer of a printed circuit board. Said waveguides are produced by an embossing process and emit light in a perpendicular manner by means of oblique, reflective ends. Mechanical guide marks are created using the embossing process for positioning couplers, said marks being preferably used as guide holes for MT pins.

Abstract: The invention relates to a bidirectional transmitting and receiving device having a transmitting component having an emission area of a first size, that emits light at a first wavelength, and a receiving component having a receiving area of a second size, that receives light at a second wavelength. The device further includes coupling optics for coupling a light between the transmitting component and the receiving component on the one hand and an optical waveguide that is to be coupled thereto on the other hand.

Abstract: A bidirectional transmitting and receiving device includes a transmitting component with an emission area of a first size, and a receiving component with a receiving area of a second size. The device further includes coupling optics for coupling light between the transmitting component and the receiving component on the one hand, and an optical waveguide to be coupled thereto on the other hand. The coupling optics have two imaging systems that are arranged one behind the other such that the light that is emitted from the transmitting component is imaged by the first imaging system on an intermediate plane on which the receiving component is located, and in the process passes through the receiving component or passes by it at the side.

Abstract: An arrangement for multiplexing and/or demultiplexing optical signals having a plurality of wavelengths, including a multiplex body having two parallel surfaces between which light is reflected back and forth and in this case is coupled in or out in a wavelength-dependent manner, and structures for coupling optical signals into or out of the multiplex body. According to the invention, the structures for coupling optical signals into or out of the multiplex body have a plurality of essentially structurally identical subassemblies, each subassembly having an optoelectronic transducer and an associated optical system, by which light having a wavelength is respectively coupled into or out of the multiplex body.

Abstract: The invention relates to an emission module for an optical signal transmission, comprising an emission unit (1) which emits light of a certain wavelength, an emission unit substrate (3) on which the emission unit is arranged or embodied, a detection unit (2) which detects light of a certain wavelength, and a detection unit substrate (4) on which the detection unit is arranged or embodied. According to the invention, the emission unit substrate (3) and/or the detection unit substrate (4) are transparent to the wavelength emitted by the emission unit (1), and the emission unit (1) and the detection unit (2) are superposed in the direction of the light emitted. The inventive solution enables the emission unit (1) and the detection unit (2) to be optically coupled without requiring additional optical components such as reflecting surfaces. Novel, compact optical systems can thus be carried out in an emission module.

Abstract: An electronic device has several superposed main printed circuit boards (2, 3, 4), of which one has e.g. the electronic components of a radio, another has the electronic components of a multimedia device and a third has the electronic components of a vehicle navigation device. On the front side of the electronic device, a connection printed circuit board (9) which is oriented crosswise to the main printed circuit boards (2, 3, 4) is provided with plug-in connecting parts (11, 13, 15) which engage on the front side of the main circuit boards (2, 3, 4).

Abstract: A device for optical and/or electrical data transmission and/or processing has at least one electrical component, at least one optoelectronic component electrically connected to the electrical component, and an optically transparent carrier with a first surface, on which the electrical component and the optoelectronic component are disposed. Light is coupled into or out of the optoelectronic component through the carrier, and a frame is connected to the carrier, via which frame the components disposed on the carrier are electrically contact-connected. The device provides both optical and electrical inputs and outputs for optoelectronic and electrical components integrated into a device.

Abstract: An apparatus for demultiplexing optical signals at a large number of wavelengths using at least one wavelength-selective filter includes at least two wavelength-selective filters in each case for separation of signal components at one wavelength or at two or more wavelengths, located one behind the other in an oblique configuration in the beam path of the apparatus, and disposed such that the signal component that is transmitted by a first filter falls on the subsequent, second filter, the signal component that is reflected by the second filter not being reflected back to the first filter but, instead, running past the first filter, and the signal components that are reflected by the filters are joined together.

Abstract: To ensure laser safety, also in the case of a largest possible coupled optical power, during the direct optical coupling of a light-emitted component to an optical waveguide, an optical system includes coupling the light through a fiber end configured as a multimode step index optical waveguide having a numeric aperture larger than the half-width value of the angular distribution of the radiation emitted from the radiation source. To distribute the radiation fed into the actual optical waveguide over the largest possible angular range with regard to the luminous power, the coupling of the light beam into the fiber end is effected such that the coupled light beams are inclined in relation to the geometric axis of the optical core of the fiber end at a defined angle.

Abstract: A plug-in connecting element is used in optoelectrical devices or subassemblies that have optical components and electrical components, and also in a plug-in connector having two plug-in connecting elements of this type. The plug-in connecting element has in a basic body, at least one electrical interface and at least one optical interface, which can be jointly connected in a pluggable manner to a matching plug-in connecting element. The plug-in connecting element is distinguished by the fact that electrical and optical paths are combined by the integration of an electrical interface and an optical interface in one plug-in connecting element.

Abstract: An optoelectronic assembly multiplexes and/or demultiplexes optical signals. The assembly includes a monolithic multiplexer for multiplexing and demultiplexing optical signals, and two optical imaging systems for coupling light beams in or coupling them out of the multiplexer. The first optical imaging system is integrated in a single-channel interface and/or the second optical imaging system is integrated in a multi-channel interface, and at least one interface is directly linked with the multiplexer.

Abstract: An electronic circuit includes an outer shielding mounted on a main printed circuit board. To prevent electronic components from affecting one another, at least one inner shielding is arranged within the outer shielding. The outer shielding has an opening bounded by spring tongues which rest on the inner shielding.

Abstract: The invention relates to an arrangement for multiplexing and/or demultiplexing the signals of a plurality of optical data channels of different wavelength, in which the multiplexed signals are transmitted in a waveguide (1). According to the invention, the waveguide (1) is disposed or embodied in a planar substrate (2), which has a plurality of cutouts (3) extending at a defined angle, which interrupt the waveguide (1) at successive points, and one wavelength-selective mirror (4) is disposed in each of these cutouts (3), at which mirror light is coupled in or out obliquely to the surface of the substrate (2). The invention further relates to a method for producing such an arrangement.

Abstract: In an electronic module having an electronic component which is arranged within an electromagnetic shielding, a thermally conductive element which is connected in a thermally conductive fashion to a shield frame of the shield rests simultaneously on the component. As a result, the heat from the component penetrates the shield, with the result that the latter is capable of carrying out the function of a thermal exchange surface.

Abstract: Optical fiber for optically coupling a light radiation source to a multimode optical waveguide, and method for manufacturing it. Optical fiber for optically coupling a light radiation source (6) to a multimode optical waveguide (7) having an optical fiber core (2) for transmitting light waves, optical fiber cladding (3) enclosing the optical fiber core (2), an injection end face (4) of the optical fiber core (2) for injecting light emitted by the light radiation source (6) into the optical fiber core (2), an extraction end face (5) of the optical fiber core (2) for extracting light from the optical fiber core (2) into the multimode optical waveguide (7), the injection end face (4) of the optical fiber core being curved spherically inward in order to widen the radiation angle of the injected light.

Abstract: To ensure laser safety, also in the case of a largest possible coupled optical power, during the direct optical coupling of a light-emitted component to an optical waveguide, an optical system includes coupling the light through a fiber end configured as a multimode step index optical waveguide having a numeric aperture larger than the half-width value of the angular distribution of the radiation emitted from the radiation source. To distribute the radiation fed into the actual optical waveguide over the largest possible angular range with regard to the luminous power, the coupling of the light beam into the fiber end is effected such that the coupled light beams are inclined in relation to the geometric axis of the optical core of the fiber end at a defined angle.