Abstract: A light control module (LCM) in accordance with one embodiment, includes terminals configured to receive a supply voltage, and a switching converter configured to receive the supply voltage and to provide an output voltage at an output node, wherein the output voltage and the supply voltage have different polarities. Further, the LCM includes an output terminal coupled to the output node of the switching converter and configured to sink a load current from a LED module.

Abstract: A method for manufacturing vacuum cleaner suction tube with at least one inner tube, at least one outer tube, at least one actuating mechanism and at least one end sleeve inserted into the outer tube, wherein the end sleeve is disposed between the inner tube and the outer tube, wherein the end sleeve has at least one end sleeve recess, wherein the outer tube has at least one outer tube recess, and wherein the inner tube has a plurality of snap-in depressions. The vacuum cleaner suction tube produced provides a reliable and leak-free connection to an attachment element when using any type of plastic for the attachment element is achieved by the axial movement of the end sleeve relative to the outer tube being blocked by the actuating mechanism and inwardly directed radial movement of the actuating mechanism relative to the outer tube is blocked by the inner tube.

Abstract: A vacuum cleaner suction tube, having an inner tube received in an outer tube, is provided with an actuating mechanism having a grip structure provides a minimized risk of blocking. A clamping element has a form-fit connection with a pair of clamping wedges, so that both of the clamping wedges can be simultaneously moved with a single movement of a clamping element that is connected to the grip structure so that the clamping element is moved away from the longitudinal axis of the vacuum cleaner suction tube by sliding the grip structure out of the locking position, and both clamping wedges are simultaneously lifted out of engagement with retaining recesses of the inner tube by moving the clamping element away from the longitudinal axis of the vacuum cleaner suction tube, whereby sliding of the inner tube is enabled relative to the outer tube.

Abstract: In some examples, a circuit is configured to generate a first signal based at least in part on an input signal, wherein the first signal comprises a common mode signal and a load signal. The circuit is further configured to generate a second signal based at least in part on the input signal, wherein the second signal comprises an inverted version of the common mode signal. The circuit is further configured to apply the first signal and the second signal to a load.

Abstract: In some examples, a circuit is configured to generate a first signal based at least in part on an input signal, wherein the first signal comprises a common mode signal and a load signal. The circuit is further configured to generate a second signal based at least in part on the input signal, wherein the second signal comprises an inverted version of the common mode signal. The circuit is further configured to apply the first signal and the second signal to a load.

Abstract: A sealing system (1) for sealing between an inner pipe and an outer pipe of a telescoping vacuum cleaner suction pipe, which ensures maximum possible sealing with simultaneously simple operator controllability of the vacuum cleaner suction pipe, has at least one annular base body (2) of a first material and an annular sealing body (3) of a second material on the base body (2).

Abstract: A catch device (1) for connecting a handle to a vacuum cleaner suction pipe (2), the catch device (1) being mountable on one end region of a vacuum cleaner suction pipe (2), and having at least one sleeve (3), at least one lever button (4) and at least one reset spring (7), the lever button (4) having a catch projection (8) and a pivot axle (9) for the lever button. The catch device (1) reduces the effort for mounting on a vacuum cleaner suction pipe (2) the provision of a clamp element (11) that is positively connected to the sleeve (3), the pivot axle (9) being pivotally held between the clamp element (11) and the sleeve (3).

Abstract: A vacuum cleaner suction pipe with at least one inner and at least one outer pipe, and at least one locking device, the locking device being movable by manual actuation, the locking device having a toothed rack, and in the locking position the rack being kept engaged to a toothed strip of the inner pipe, as a result of which the position of the inner pipe is fixed relative to the outer pipe. The locking device is movable into a release position by axial displacement relative to the outer pipe, and in the release position, the rack can be disengaged from the toothed strip by a relative force between the outer pipe and inner pipe, without the effect of a spring force, by the flanks of the teeth of the toothed strip pushing the flanks of the teeth of the rack upward.

Abstract: A vacuum cleaner suction tube, having an inner tube received in an outer tube, is provided with an actuating mechanism having a grip structure provides a minimized risk of blocking. A clamping element has a form-fit connection with a pair of clamping wedges, so that both of the clamping wedges can be simultaneously moved with one a single movement of a clamping element that is connected to the grip structure so that the clamping element is moved away from the longitudinal axis of the vacuum cleaner suction tube by sliding the grip structure out of the locking position, and both clamping wedges are simultaneously lifted out of engagement with retaining recesses of the inner tube by moving the clamping element away from the longitudinal axis of the vacuum cleaner suction tube, whereby sliding of the inner tube is enabled relative to the outer tube.

Abstract: A vacuum cleaner suction pipe (1) having first, second, and third pipe segments (2, 3, 4), respectively, the pipe segments (2, 3, 4) being telescopically connected to one another, the first pipe segment (2) being located between the second pipe segment (3) and the third pipe segment (4). There is a control device (5), and the pipe segments (2, 3, 4) are mechanically in interaction with one another via the control device (5) so that when the second pipe segment (3) or the third pipe segment (4) is moved manually in an axial direction relative to the first pipe segment (2) the respective other of the second or third pipe segment (3, 4) is moved at the same time by the control device (5).

Abstract: A catch device (1) for connecting a handle to a vacuum cleaner suction pipe (2), the catch device (1) being mountable on one end region of a vacuum cleaner suction pipe (2), and having at least one sleeve (3), at least one lever button (4) and at least one reset spring (7), the lever button (4) having a catch projection (8) and a pivot axle (9) for the lever button. The catch device (1) reduces the effort for mounting on a vacuum cleaner suction pipe (2) the provision of a clamp element (11) that is positively connected to the sleeve (3), the pivot axle (9) being pivotally held between the clamp element (11) and the sleeve (3).

Abstract: A telescopic vacuum cleaner suction tube (1) having an outer tube (2) and an inner tube (3) with snap-in depressions (7). The inner tube is telescopically arranged in the outer tube. The suction tube also includes an antitwisting mechanism (4d; 16) and an interlocking device with a snap-in element (15) that is disengaged from a snap-in depression (7) by an actuating element (5) situated about diametrically opposite thereof. The interlocking device includes a spring (6) that positively encompasses at least the inner tube (3) and engages the snap-in element (15) into the nearest snap-in depression (7) of the inner tube (3). The interlocking device and telescoping tubes ensure that the tubes are always securely interlocked and able to withstand shock-like compressive forces, namely while simultaneously providing for an ergonomic handling.

Abstract: The invention relates to a method for thermally initiated triggering of an aerosol fire extinguisher having a strike pin (6) acted upon by an inner spring (7) and locked in the stand-by state, and after thermal initiation, the lock is removed and the strike pin (6), driven by the force of the inner spring (7), strikes against a mechanical firing cap (1), whereby an initial firing material is released in the firing cap (1), igniting a booster charge (2), the hot conversion gas thereof igniting a pyrotechnic extinguisher charge in the aerosol fire extinguisher. In order that an absolutely reliable initiation takes place under the same conditions throughout the entire service life of the aerosol fire extinguisher, it is proposed that only immediately after the thermal initiation, when the firing pin (6) is still locked, the inner spring (7) is brought to the necessary tension for triggering the firing cap (1), and only after reaching said tension is the lock of the firing pin (6) automatically released.

Abstract: A telescopic tube joint (1) is provided for vacuum cleaner suction tubes or for tripods having at least one outer tube (2) and at least one inner tube (3). The tube joint includes a catch recess (5) in the inner tube (3), a catch element (8) on the outer tube (2) which are lockable or unlockable via a manually actuated, rotably movable slider (11) which moves the catch element (8) through an opening (10) in the outer tube (2). The catch recess in the inner tube (3) consists of a tooth strip (6) provided with a plurality of teeth (5) , formed on the outer peripheral surface of the inner tube (3). The catch element consists of a short toothed rack (8) having opposing teeth (7), which is pressed into force- and form-fit contact with the toothed strip (6) by the rotary slider (11) in a locked position when turned at a small angle (?).

Abstract: A vacuum cleaner suction pipe (1) having first, second, and third pipe segments (1, 2, 3), respectively, the pipe segments (2, 3, 4) being telescopically connected to one another, the first pipe segment (2) being located between the second pipe segment (3) and the third pipe segment (4). So as to be easily manufactured and have an actuation that is optimized with respect to its telescoping ability, there is a control device (5), and the pipe segments (2, 3, 4) are mechanically in interaction with one another via the control device (5) so that when the second pipe segment (3) or the third pipe segment (4) is moved manually in an axial direction relative to the first pipe segment (2) the respective other of the second or third pipe segment (3, 4) is moved at the same time by the control device (5).

Abstract: An insertable tube system for a vacuum cleaner, with at least one first tube, a second tube and a coupling for detachable connection of the first tube to the second tube, the coupling having a guide element and a lever button, the guide element being located on the outside of the wall of the first tube, the lever button in the guide element being supported to be able to move around a pivot axis, the lever button being movable by the force of at least a first spring element into a catch position, and the lever button having a catch projection on the bottom, the wall of the first tube having an opening for the catch projection of the lever button, and a mechanical connection between the first tube and the second tube being producible by engagement of the catch projection with a catch recess of the second tube.

Abstract: A telescoping tube system for a vacuum cleaner, with an inner jacket tube, an outer jacket tube, an inner suction tube and a cable, the inner jacket tube having a smaller cross section than the outer jacket tube so that the inner jacket tube and the outer jacket tube form a telescoping jacket channel, the inner suction tube being located inside of the jacket channel, and the cable being guided within the jacket channel and outside of the inner suction tube. In the telescoping tube system, losses of suction force by the intake of secondary air are reduced to a minimum and reliable cable routing is ensured by there being an outer suction tube, the outer suction tube and the inner suction tube forming an essentially closed suction channel within the jacket channel.

Abstract: The invention relates to a method for thermally initiated triggering of an aerosol fire extinguisher having a strike pin (6) acted upon by an inner spring (7) and locked in the stand-by state, and after thermal initiation, the lock is removed and the strike pin (6), driven by the force of the inner spring (7), strikes against a mechanical firing cap (1), whereby an initial firing material is released in the firing cap (1), igniting a booster charge (2), the hot conversion gas thereof igniting a pyrotechnic extinguisher charge in the aerosol fire extinguisher. In order that an absolutely reliable initiation takes place under the same conditions throughout the entire service life of the aerosol fire extinguisher, it is proposed that only immediately after the thermal initiation, when the firing pin (6) is still locked, the inner spring (7) is brought to the necessary tension for triggering the firing cap (1), and only after reaching said tension is the lock of the firing pin (6) automatically released.

Abstract: A vacuum cleaner with a handle and an adapter accommodates the end region of the vacuum cleaner suction pipe at one end and the pipe socket of the handle at the other end is improved by the adapter being of a durable construction that does not require a new vacuum cleaner suction pipe when the adapter is broken is achieved by the adapter being formed of at least two shells which are pivotably connected together via a film hinge which runs parallel to the lengthwise axis of the vacuum cleaner suction pipe and by their free end regions having a screw connection by which the adapter is detachably braced against the facing end region of the vacuum cleaner suction pipe in the mounted position of the adapter.