Abstract: The invention relates to a power charging device (10) for an electric vehicle (12) with an electric energy store (14). The power charging device (10) comprises at least one rectifier means (16) for converting a supply voltage (18) into a charging d.c. voltage (20), a contacting means (22) for contacting a plug-in connection supply point (24) of the electric vehicle (12), and a residual current monitoring device (26) for detecting a current difference in the contacting means (22) and/or the electric vehicle (12) during a charging process of the energy store (14) of the electric vehicle (12). The invention is characterized in that the residual current monitoring device (26) is designed at least for detection of a direct current difference ?I and comprises a cutoff element (28) which can interrupt the charging process when a predeterminable direct current cutoff difference (36) is exceeded over a predeterminable cutoff time.

Abstract: A setting assembly to adjust components linked to it, in particular to adjust the reticle of a sighting telescope, comprising an adjustment cap system which is rotationally supported on a coupling and which drives said setting assembly, said coupling being designed to transmit adjustment cap system displacements to components that can be connected to the coupling in order to transmit their setting(s) and a first locking element mounted on the coupling being able to engage a second locking element in a way that the position of the adjustment cap system can be fixed in place relative to the coupling. The first locking element is an at least segment-wise externally toothed collar and the second locking element is an at least segment-wise internally toothed locking ring. A resiliently supported detent at the coupling may engage by detent recesses an associated detent ring at the adjustment cap system.

Abstract: The invention relates to a method and an electrical protection and monitoring device with an insulation monitoring instrument and a differential current monitoring instrument in an electric vehicle for safe driving operation and also for safe charging and energy recovery operation of the electric vehicle at a charging station. The invention further relates to a device for the safe charging and energy recovery operation of an electric vehicle at a charging station with electrical protection and monitoring devices.

Abstract: A method and a device recognizes mechanical impacts upon electrical installations. The device includes a functional electrical connection with a power supply network or a storage medium. At least one signal is recorded on the functional electrical connection in order to recognize the mechanical impact. Advantageously, the device can be incorporated into a photovoltaic installation with at least one solar current module.

Abstract: The present invention relates to a device for current measuring in power supply networks comprising transformers for measuring current, a signal processing apparatus arranged on a printed circuit board and screw fastenings for mounting the device. The cable ducts of the transformers are orientated parallel to the plane of the printed circuit board, which has openings flush to the cable ducts, and the screw fastenings are fastening tabs with mounting holes, spaced so standards-compliant mounting is possible. In an alternate embodiment, the cable ducts are orientated perpendicularly to the plane of the printed circuit board, the screw fastenings are constructed as an angle rail with cable outlets and standards-compliant mounting holes, and the printed circuit board is internally fastened on one side of the angle rail. In another alternate embodiment the transformers are installed with the printed circuit board in a common housing with fastening tabs and standards-compliant mounting holes.

Abstract: The invention relates to a method and an electrical protection and monitoring device with an insulation monitoring instrument and a differential current monitoring instrument in an electric vehicle for safe driving operation and also for safe charging and energy recovery operation of the electric vehicle at a charging station. The invention further relates to a device for the safe charging and energy recovery operation of an electric vehicle at a charging station with electrical protection and monitoring devices.

Abstract: Regarding a sighting telescope comprising an objective and a reversing system, a first and second image planes respectively being configured between the objective and the reversing system and on a reversing system's side facing away from the objective, where an intermediate image projected by the objective into to the first image plane is reproduced into the second image plane, the invention stipulates an optical unit situated on the reversing system's side away from the objective to make visible the intermediate image in the second image plane.

Abstract: Regarding a sighting telescope comprising a reversing system which is configured between an objective and is fitted an ocular and fitted with an objective-proximate field lens and at least two mutually displaceable optical elements near the ocular, further comprising an objective-proximate image plane situated between the objective and the field lens and spaced from latter, further with an ocular-proximate image plane situated between the reversing system and the ocular, where, when displacing the said optical elements, an intermediate image projected by the objective into the ocular-proximate image plane is erected and reproduced at a variable magnification in the ocular proximate image plane, and at a magnification of at least 4×, the invention stipulates configuring a correcting field lens element between the objective-proximate image plane and the field lens.

Abstract: The invention relates to a method and a device for determining a maximum leakage current in unearthed power supply networks with a plurality of conductors. The method comprises the steps of: feeding of a measurement signal UP with a measurement frequency fPuls into a conductor arrangement, setting the measurement frequency fPuls, measuring a line-to-line voltage UL-E for each conductor, determining a maximum occurring line-to-line voltage UL-Emax from the measured line-to-line voltages UL-E, determining a voltage UZe across a measurement resistance RM for calculating a leakage impedance ZE, calculating the leakage impedance ZE, and calculating a maximum leakage current THC. The device comprises a signal generator for feeding in the UP with the fPuls, a network coupling circuit between the signal generator and the conductor arrangement, a voltage measuring circuit for measuring the UL-E, and an impedance measuring circuit for determining the Ze by means of the determining of the UZe.

Abstract: Regarding a sighting telescope reversing system which comprises a guide casing fitted with a linear cam slot, further an external casing fitted with an external cam slot and fixed in the axial direction while rotatably supported on the guide casing, a mount holding a lens element and fitted with a guide pin passing through the linear cam slot as well as through the external cam slot, the present invention stipulates that the guide pin be fitted with a first and a second collar, both collars resting on a common shaft, the first collar being displaceable within the external cam slot and the second collar being displaceable within the linear cam slot.

Abstract: An adjustment tower for telescopic sights includes a first adjustment device and a second adjustment device, which are capable of rotating independently of one another relative to a base. The first adjustment device can be rotated in an adjustment position and has a secured position in which it is secured against rotation. The first adjustment device is also axially movable relative to the base to a limited extent such that in the adjustment position, the adjustment device projects further out of the second adjustment device than in the secured position. The tower further includes a stored-energy device that exerts an axial force on the first adjustment device from the secured position in the direction of the adjustment position.

Abstract: The invention relates to a method and a device for monitoring the insulation of an ungrounded DC and/or AC voltage network. The method comprises the following steps: (a) generating a measurement DC voltage Umess= that is connected to a ground on one side for a predeterminable measuring time frame tvar; (b) generating and superposing at least one measurement AC voltage Umess˜ connected to a ground and having a measurement duration tcons with the measurement DC voltage Umess? for forming a total measurement voltage Umess; (c) feeding the total measurement voltage Umess into the voltage network to be monitored; and (d) determining an insulating resistance R= from the measurement DC voltage Umess? and an insulating impedance Z from the measurement AC voltage Umess˜. The devise is configured to carry out the above method. The method and the device are suited in particular for monitoring the insulation in electric and hybrid vehicles.

Abstract: The invention relates to an optical assembly comprising a connecting bridge to link up two optical units. The optical units are electronically connected to an analyzer. The connecting bridge is fitted each time with at least one coupling for each optical unit, said coupling making it possible—besides a mechanical coupling action—transmission of electronic signals and/or setting up an electric connection.

Abstract: The invention relates to a connecting bridge to connect two optical units. This connecting bridge is fitted in each case with at least one coupling for each optical unit making possible, besides mechanical coupling, also transmitting electronic signals and/or setting up an electrical connection.

Abstract: The invention relates to an insulation monitoring device (IMD) in a non-grounded electrical DC grid (DC-IT System), particularly an electrical photovoltaic system (PV). Said device has a power supply unit (B), which is supplied with electrical energy from the electrical DC grid (DC-IT System). According to the invention a rechargeable energy store (CIMD) is present, in particular a capacitor with a charging diode (D) connected upstream. This is supplied with electrical energy (UIMD) via the electrical DC grid and supplies the power supply unit (B) in the event of a temporary failure of the electrical DC grid, so that continued operation of the insulation monitoring device (IMD) is possible until the non-grounded electrical DC grid is re-established.

Abstract: The invention relates to a power charging device (10) for an electric vehicle (12) with an electric energy store (14). The power charging device (10) comprises at least one rectifier means (16) for converting a supply voltage (18) into a charging d.c. voltage (20), a contacting means (22) for contacting a plug-in connection supply point (24) of the electric vehicle (12), and a residual current monitoring device (26) for detecting a current difference in the contacting means (22) and/or the electric vehicle (12) during a charging process of the energy store (14) of the electric vehicle (12). The invention is characterised in that the residual current monitoring device (26) is designed at least for detection of a direct current difference ?I and comprises a cutoff element (28) which can interrupt the charging process when a predeterminable direct current cutoff difference (36) is exceeded over a predeterminable cutoff time.

Abstract: A setting assembly to adjust components linked to it, in particular to adjust the reticle of a sighting telescope, comprising an adjustment cap system which is rotationally supported on a coupling and which drives said setting assembly, said coupling being designed to transmit adjustment cap system displacements to components that can be connected to the coupling in order to transmit their setting(s) and a first locking element mounted on the coupling being able to engage a second locking element in a way that the position of the adjustment cap system can be fixed in place relative to the coupling. The first locking element is an at least segment-wise externally toothed collar and the second locking element is an at least segment-wise internally toothed locking ring. A resiliently supported detent at the coupling may engage by detent recesses an associated detent ring at the adjustment cap system.

Abstract: The sighting telescope comprises an external tube and receives within it an inner tube that contains an optical reversal system with at least two optical elements which are fitted into optical mounts and are displaceably supported in the direction of the sighting telescope's longitudinal axis, as a result of which a displacement of the lenses causes a change in magnification, the mounts within a guide sleeve being supported while prestressed by an elastic device.

Abstract: The invention relates to a sighting telescope comprising a beam splitter which is slanted relative to an optic axis and is configured between an objective and an ocular, further a projection element to generate onto the beam splitter a target mark visible from the ocular, said projection element being fitted with a light source, further two image planes between the objective and the ocular, of which a first image plane is nearer the objective and a second image plane is nearer the ocular, and a reversal system configured between the image planes, a reticle being situated in the first image plane and the target mark in the second image plane.

Abstract: A reflex sight (10) comprises a housing (20) fitted with a proximal aperture (21) and a distal aperture (22) along an optics axis (A). It further includes a projection unit (40) reproducing the light generated by a light source (50) as a target mark (Z), and a feed optics (60) feeding the target mark (Z) reproduced by the projection unit (40) into the beam along the optic axis (A). To preclude the target mark (Z) from being visible to the sighted object, the invention provides that at least one implementing means (61, 62) of the invention be used whereby the target mark (Z) reproduced by the projection unit (40) substantially shall be visible only from the proximal aperture (21). The implementing means (61, 62) of the invention may be a polarizing beam splitting layer (61) designed as an interface layer (65) between two prisms (63, 64).