Abstract: Multistage switching device for the input of adjustment values in electronic switching systems, including a counter circuit having counting stage inputs for counting orders of magnitude and oppositely counting directional inputs, an input switching part being movable into a plurality of adjustment positions, a plurality of contact points each being disposed at one of the adjustment positions and being connected to one of the counting stage inputs, and a changeover contact device of the input switching part being connected to the oppositely counting directional inputs.

Abstract: Variable resistance switch of a continuously-variable resistance pressure-dependent measurement sensor for triggering a switching operation of an electrical evaluating circuit through a compressive loading, including an elastic layer being formed of elastomeric material interspersed with electrically conductive particles and being deformable with increasing application of force, and a conductive surface disposed opposite the elastic layer.

Abstract: Method and device of automatically controlling the drying process of a laundry drying system until a given desired degree of dryness is reached, including heating means, a drive for the drying system, a control device for controlling the drive and heating means, and means for supplying system-related fixed data concerning the drying of particular laundry, which includes determining the gradient of rising temperature in the drying system during a given early phase of the drying process, calculating a required operating time for the heating means and the drive from the determined gradient and the system-related fixed data, and feeding the calculated operating time as an input to the control device.

Abstract: Laundry treatment machine including a housing, a carrier disposed in the housing, a laundry drum rotatably supported by the carrier, the carrier having parts thereof being exposed to loads affected by the weight of the drum, electro-mechanical transducers being disposed on the parts of the carrier and producing output signals representing a measure of the weight and the weight change of the drum, and a signal processing device receiving the output signals.

Abstract: Baking oven including chamber walls defining a baking oven chamber, a door for closing off the chamber, a broiler heating element and at least one further heating element being disposed in vicinity of opposite chamber walls, and air blowing and guiding means disposed between the heating elements for generating an air stream being in the middle of the chamber and at least approximately parallel to and maintained at a given distance from the chamber walls.

Abstract: Refrigerator having a large volume refrigeration chamber cooled by natural convection, including a defrostable finned evaporator disposed in upright position in the chamber, the evaporator being subdivided into at least two sections connected together in series in a refrigerant flow path, a view shield serving as an air baffle disposed in front of the evaporator, and a substantially horizontally disposed partition occupying substantially the entire usable cross sectional area of the chamber, the partition having an edge extended between the sections of the evaporator.

Abstract: In a double baking oven unit having two baking ovens disposed one above the other and enclosed in a common housing, one of the ovens being a microwave oven, and switching, control and operating devices for both of the ovens disposed in an upper space in the housing, cooling-air channels formed with inlet and outlet openings provided outside the two baking ovens, shielding plates thermally shielding the lower baking oven from the upper baking oven and from the cooling-air channels, the cooling-air inlet opening being located at a lower limit of the housing below the lower baking oven and below a shielding plate associated therewith, the cooling-air outlet opening as well as a blower being connected to an exhaust channel disposed above the upper baking oven.

Abstract: Electrical heating apparatus, including a frame formed of insulating material having an opening formed therethrough, a heating element formed of positive temperature coefficient material having two opposing outer surfaces and being disposed in the opening formed in the frame, an electrically-conducting current supply contact layer disposed on each of the two opposing outer surfaces of the heating element, an electrically conducting current input electrode plate formed of yieldable material being anchored in the frame and being disposed on each of the contact layers forming an integral structural unit enclosing the heating element, and a heat conducting plate formed of insulating material disposed on each of the electrode plates receiving heat transfered through the contact layers and clamping the heating element under pressure.

Abstract: The oscillation generator includes an oscillator circuit, a push-pull amplifier with inductive positive feedback connected in the circuit, a piezoceramic atomizer vibrator element, and a load-dependent regenerative feedback coupling connected to the circuit. The coupling is in the form of a tunable frequency-selective sensor having outputs connected to the inputs of the amplifier.

Abstract: Inhalator, including a housing having a space formed therein which is accessible from outside the housing, a first fluid container having a pump and a second fluid container without a pump being selectably placeable in the space for emitting fluid, an atomizing element for receiving fluid emitted from the containers, a manually operable actuating element being slideable through a given region for turning the atomizing element on and off and for driving the pump of the first fluid container, and a fixed receptacle for selectably holding the first fluid container so it extends into the given region and for holding the second fluid container out of the given region.

Abstract: Household garbage compactor, including a press or stamper for executing a piston stroke for given short periods of time in a container disposed in a frame holding garbage to be compacted, a pressure plate for compacting the garbage, and a device for easily releasably holding and re-attaching the pressure plate to the press means.

Abstract: Hand-operated instrument for dental care or tooth treatment having an electric drive, including a hand-grip portion, a slender instrument neck portion having one end integral with the hand-grip portion and a free end, a drive motor of the electric drive and a fluid reservoir disposed in the hand-grip portion, a working implement integral with the free end of the neck portion, means including a fluid duct at least partially disposed in the neck portion for supplying fluid from the reservoir to the working implement, and means including drive elements at least partially disposed in the neck portion and being driven by the drive motor for driving the working implement.

Abstract: Adjustable electronic temperature control, having a bridge circuit with arms and at least one diagonal connected between points of the bridge, a thermistor for sensing temperature connected in one of the arms, a control circuit to be activated by the temperature control, a circuit for activating an indicating and safety device, at least two amplifiers for switching the control circuit and indicating and safety circuit on and off, means connected in the at least one diagonal for supplying a control voltage to the amplifiers, a plurality of resistors connectible in parallel in another arm for setting a setpoint temperature in the temperature control, the resistors having values increasing in a binary code, and at least one coding switch for selectively connecting the resistors in parallel in accordance with given temperature steps.

Abstract: Microwave oven having an oven muffle connected to a high frequency oscillator and a rotatable shaft brought through an opening in a metallic muffle wall with clearance. To prevent microwave energy which is brought into the cooking chamber or muffle from a high frequency generator from getting to the outside through the opening in the muffle wall, i.e. through the clearance, a microwave seal is provided comprising a metallic disc spaced a short distance from and parallel to the muffle wall to form a gap-like microwave transmission line and an annular slot-like microwave pocket adjacent the transmission line with the opening of the pocket next to the opening in the muffle wall.

Abstract: Liquid atomizer having a vibration generator for generating vibrations, an atomizer element receiving the vibrations, and a container with liquid to be atomized. Liquid is transported solely and directly from the container to the atomizer element by a wick of elastically resilient material in contact with liquid in the container and at a point remote from the liquid in the container, mechanically coupled to the atomizer element by disposing the wick against the atomizer element. A tube may surround the wick until almost to the coupling point.

Abstract: Atomizer for fluid, including an atomizer housing, a unitary fluid container removably inserted in the housing, an atomizing element activatable by ultrasonic flexural vibrations being disposed in the housing, means integral with the fluid container for transporting the fluid from the fluid container to the atomizing element, and manually activatable means for operating the transporting means and atomizing element.