Abstract: A indicator device with vacuum fluorescence elements controlled or triggered by a driving circuit, the heaters of the elements lying in a heating circuit. The heating circuit contains a switch which is controlled or triggered by a clock generator and the clock pulse frequency and the pulse duty factor of the control signal pulses are selected such that the effective value of the pulsed heating current is equal or approximately equal to the dc heating current in accordance with the elements.

Abstract: A device for adjustment of an electrical clock with a clockwork train, the latter having an hour pointer driven via an hour gearwheel and via an hour intermediate wheel, a minutes pointer which is driven by means of a minutes gearwheel (the hour intermediate wheel being coupled in clock drive operation with the minutes gearwheel) and a minutes intermediate wheel, as well as having additional gearwheels with a first transmission ratio, the minutes intermediate wheel being coupled with a motor via the additional gearwheels. The minutes gearwheel is decouplable from the minutes intermediate wheel for the coarse adjustment of the minutes pointer and, by means of at least one additional gearwheel with a second transmission ratio which is more direct than the first transmission ratio, the minutes gearwheel is coupleable with the motor.

Abstract: An arrangement for time-division multiplex data transmission having a data bus system which comprises a data bus circuit, several subscribers which are connected to the data bus circuit and have a transmitter part and a receiver part and communicate with one another by data transmission in a predetermined sequence in a given combination, and at least one clock generator, in which the sequence of all the given combinations of the subscribers runs through during a time frame and a time slot within the time frame is available for connecting each combination. Each subscriber includes at least one programmable counter for emitting a control signal when a programmed number has been reached and for resetting itself to zero when a given counting capacity which is the same for all counters has been reached. The programmable counter has a counter input connected to the clock generator and a first control output.

Abstract: An indicator dial having at least one scale thereon and having at least one illuminable indication area for providing a visual signal of a physical function, wherein the dial comprises a thin transparent plate having an opaque dye coat on one face thereof with at least one area free of the opaque dye coat and having a translucent dye coat of contrasting color in the area, and the scale being on the side of the plate facing a viewer, whereby the scale is visible at all times, but the indication areas are visible to the viewer only when illuminated from behind the dial. The dial is made by applying the dye coats and scale markings in sequential operations by use of a screen printing process.

Abstract: A monitoring device for the orderly functioning of lamps, particularly in motor vehicles, with a circuit control element arranged in the circuit of the lamps, on which control element a control signal occurs during switching-on of the lamps, as well as with circuit components in a signal circuit, the latter being applied with the control signal. In the circuit of each lamp there is arranged a low impedance resistor, and the low impedance resistor is connected with an input of an amplifier circuit arrangement. An indicator device is connected to the output of the amplifier.

Abstract: A console for holding nautical indicators has a back wall, opposite, generally parallel side walls, top and bottom walls and an open front for receiving an indicator. Preformed openings are in the side walls, closed by a frangible membrane, for receiving fasteners through aligned openings in adjacent side walls of two consoles placed side-by-side to secure the two consoles together as a unit. Each console is configured to support and enclose a single indicator, and a plurality of consoles with associated indicators may be readily secured together to form a multi-indicator console.

Abstract: An electric clock with a quartz oscillator, a frequency divider connected following the latter and an output stage driven by the latter, in the output of the output stage there being disposed a single phase stepping motor which acts on a clockwork gear train driving the hour indicator and the minute indicator, as well as a storage battery supplying the operating voltage and a charging circuit for the battery. The single phase stepping motor and the clockwork gear train form a self-contained construction assembly. The quartz oscillator, the frequency divider, the output stage and the charging circuit are arranged on a single printed circuit board. The printed circuit board and the construction assembly are connected with one another via two electrically conducting pins secured on the excitation coil. The printed circuit board and the construction assembly are secured in common on a carrier plate, the latter having an opening for the hour tube and the minute tube, respectively.

Abstract: An apparatus is disclosed for the continuous measurement of the level of liquid in a container, wherein a flexible cable extends into close proximity or engagement with the floor of the container and comprises the oscillation determining element of an oscillator. The cable has a length greater than the distance between its mount to the container and the bottom of the container, and is doubled over at least part of its length to form an arc or loop at the container floor. A support engages the cable adjacent the container floor and holds the cable so that the arc or loop maintains its position relative to the container floor even though the container floor may sag or bulge, or the spacing between the floor and top of different containers varies because of manufacturing tolerances and the like.

Abstract: A system for indicating measured values, particularly the speed of movement of a motor vehicle, includes a pulse generator generating pulses having a frequency corresponding to a measured value, a counting circuit including first and second counters for counting pulses generated during successive time intervals to produce a pulse count signal for each time interval, a comparator comparing the pulse count signals from successive time intervals to produce a pulse difference signal corresponding to the difference therebetween, a memory for storing the pulse difference signal and transmitting the pulse difference signal to a stepper motor, and a pointer driven via gears from the output of the stepper motor to produce an indication of the measured value.

Abstract: A resistance transducer with a non-linear characteristic curve, which transmitter has a resistance track with a variable cross-section on an insulating carrier and a slider engaging on the resistance track. On the resistance track on the insulating carrier of a thick layer system at least one additional layer is applied by the same technology made of a conducting resistor substance, and shaped such that it forms a rib which extends in a direction of movement of the wiper, the rib tapering outwardly perpendicularly thereto, and the wiper transversely engages the rib to form an approximately point-like contact surface.

Abstract: An electrically heated spray nozzle assembly adapted to be mounted upon an automotive vehicle in a position to direct a fluid spray upon the windshield thereof includes a hollow angled pipe having a fluid inlet at one end and a spray nozzle at its other end. The pipe is enclosed in a housing made of heat-insulating thermoplastic material and a pill-shaped PTC heating element is mounted in a downwardly open chamber in the housing below the nozzle. The element is in contiguous heat exchange relationship with the pipe and nozzle and the power supply connections thereto pass through a plastic closure element closing the downwardly open chamber. The housing is circumferentially grooved for releasable engagement with the rim of an opening in the vehicle body. The PTC element has its temperature-resistance curve rising sharply at or about 0.degree. C. with its steepest portion below 50.degree. C.

Abstract: A vented plug for a storage battery, has a cap portion with a threaded stem depending therefrom for threaded engagement in the threaded fill opening of the storage battery, the interengaged threads of the stem and fill opening defining a helical space or labyrinth passage for escape of gases originating inside the battery, and providing an extensive area for condensation of liquid particles carried with the gas. Vent openings extend from the threaded area to outside the cap portion for venting the gases to atmosphere, while the condensed liquid flows back into the battery.

Abstract: Indicator instruments, particularly for vehicles, with a housing made of synthetic material, at least one indicator system which is fastened on a carrier connected with the housing, and a window shield which is secured to the housing and arranged in front of the indicator system or indicator systems, respectively. The housing is made of an elastic deformable synthetic material or plastic and has at least on two inner sides which are opposite one another two grooves which are arranged spaced from one another, in which grooves the indicator system carrier and the window shield are insertable.

Abstract: A device for the capacitive level height measurment of liquids in motor vehicle tanks, with a measuring sensor with at least two electrodes which are arranged axially parallel to each other and a carrier, and an evaluation circuit containing an oscillator, with the measuring sensor and an indicator instrument being connected to the evaluation circuit. One electrode is made of an electrically conducting layer which is disposed on the elongated insulating material plate and the other electrode is formed in the shape of a U-shaped elongated metal carrier; on the legs of the carrier there is fastened the insulating material plate contacting another conducting layer in the insulating material plate, and the evaluation circuit is constructed in microelectronic technology, is electrically connected to the conducting layers, and is fastened on that part of the measuring sensor which projects from the liquid or solid, respectively.

Abstract: A bi-metallic indicator with a scale disc or plate, on which a pointer is rotatably mounted, as well as with a bi-metallic element which is arranged spaced apart from the side of the scale disc facing away from the pointer, the bi-metallic element being articulated on one end of the pointer. A section of the bi-metallic element is secured to the scale disc, without a base plate.

Abstract: An electric regulating device, particularly for a speed control device for motor vehicles, with a servomotor and a rotatably mounted element which actuates the regulating member, the rotatable element particularly being a cable pulley which stands in operative connection with the servomotor via a gearing and a coupling device containing an electromagnet. At least one of the gears of the gearing is radially and at an angle or axially moveable mounted, and is connected indirectly or directly with an armature, which in turn cooperates with the electromagnet.

Abstract: A capacitive sensing element for use in a liquid level measuring apparatus, wherein the capacitive sensing element is the oscillation determining element of an oscillator, the sensing element including a plurality of elongate electrodes embedded in an insulating material, and wherein calibration of the sensing element for different containers is obtained by piercing the element and electrodes to provide electrodes of different lengths.

Abstract: A device for transmission at least of one measurement value from a moveable object to an object stationary relative to the latter, particularly from a motor vehicle wheel to the vehicle frame of a motor vehicle, with a transmission stage and a receiving stage, which both are secured on the stationary object, and a coupling element which is secured on the moveable object and via which the receiver is able to be applied with a measuring value signal; characterized in the manner that a transmission stage transmits two transmission signals of different frequencies. At least one coupling element mixes the two frequencies and a receiving stage is responsive to at least one signal with a mixing frequency, which signal is transmitted by the coupling element.

Abstract: A device for regulating the traveling speed of a motor vehicle, compares a signal proportional to the actual speed of the vehicle with a signal proportional to the set or desired speed, and superposes on one or both of the signals a periodic signal having at least one periodically recurring section of non-linear characteristic, to obtain a control signal whose amplitude is modulated as a function of the magnitude of deviation between the actual speed signal and the set speed signal, and the control signal is transmitted to a control stage influencing the fuel-air mixture supplied to the engine of the vehicle.

Abstract: A bimetal element operated indicator includes a bimetal carrying a current measuring winding and having a fixed end mounted on a housing, a dial supported on the housing and carrying scale indicia, and a pointer rotatably supported on a stud shaft mounted on the dial and having a driven end coupled with a driving end of the bimetal element such that the pointer is precisely aligned relative to the scale indicia on the dial to provide accurate indicating movement in response to deflection of the bimetal element with temperature change from current in the measuring winding.