Robert Boschgmbh

Lothar Haas

Gerhard Hettich

Hans-Dieter Schmid

Hans Schrumpf

Albert Weckenmann

Rolf Brautigam

Jurgen Wesemeyer

Bernhard Mattes

Georg Haubner

Peter Hergt

Siegfried Malicki

Reinhard Fassel

Adam Hirt

Berthold Walter

Heinz-Dieter Hellmann

Joachim Naser

Sonja Reitenspiess

Manfred Kamp

Hans-Joerg Schmidt

Rolf Brauticam

A device for detecting the installation of a child seat, in particular on a vehicle seat, includes one fixed part and one movable mechanism. The fixed part has a switch element with two switching states and a device for forming an actuating field for the switch element. The movable mechanism is movable, as a result of the installation of the child seat, from a first position to a second position, thereby making a variation in the actuating field attainable, so that the switch element changes the switching state.

Device for detecting the fitting of a child's seat

A sensor arrangement for determination of at least one of a position and an acceleration of a moveable body has a housing fixedly connected with the moveable body, an inertia body accommodated in the housing, a detector arranged in the housing for detecting a horizontal displacement of the inertia body, the housing having a base plate on which the detector is arranged so that determination of a vertical displacement of the inertia body is also performed.

Sensor arrangement

The electrical switching apparatus includes a housing (10), a coil (20) arranged in the housing (10), at least two switch terminals (35,50,60) arranged in the housing (10), a magnetic angle piece (30) in the housing (10) including a core (32) for the coil (20) and an armature (42) resiliently mounted on the magnetic angle piece (30) for making electrical contact between two switch terminals (35,50,60). The magnetic angle piece is preferably made by a method including punching or stamping a nearly rectangular piece (39) from sheet metal, forming a U-shaped opening around a separately bendable tongue (32a) in a central region of the nearly rectangular piece (39) so that side pieces (30a) are formed on opposite sides of the U-shaped opening (38) and a connecting piece (31a) connects the side pieces (30a) on another end of the rectangular piece (39) opposite from one switch terminal; bending the separately bendable tongue (32a) at right angles to a remaining portion of the nearly rectangular piece (39) including the side pieces (30a) to form the core (32) of the coil (20) and bending the connecting piece (31a) at substantially right angles to form an upper portion (31) of the magnetic angle piece arranged substantially parallel to the core (32).

Electric switching device and method of making a magnetic angle piece

Inertia sensor

Pressure sensor for determining tire pressure

Detector of the inflation pressure of motor vehicle tires

Detector of inflation pressure of tires of a vehicle

To measure a wide range of flow rates, and particularly such low flow rates as 0.5 liters per hour, while being able to accurately also measure rates of about 100 liters per hour, fluid is introduced axially into a rotor (14, 36, 40) which has outlet openings (24, 36, 45) positioned at their circumference, the rotor being rotated by reaction on the rotor upon fluid flow from the outlet openings. The rotor operates within a fluid flow chamber (15) from which is conducted outwardly through a duct positioned thereabove. Inflow of fluid may be guided for linear flow by guide ribs (13). The rotor may be a hollow disk-like structure (FIGS. 1-3) with spiral guide vanes therebetween, or a T-shaped tubular structure (FIGS. 4-6). If fuel consumption of an internal combustion engine is to be measured in which pressurized fluid is supplied to the engine and excess returned, two such flow meters can be combined on a common shaft, with respectively oppositely facing outlet openings (36, 45), so that differential flow only is being measured, hence accurately measuring fuel consumption by the engine. Rotation of the rotor is sensed by an electro-optical sensor (29, 37).

Liquid flow meter

The current consumption of a microprocessor is decreased by a switch which connects it to the electrical supply only when a control signal is received which indicates that the microprocessor is to execute a program. Specifically, an electronic switch such as a transistor is switched to the nonconductive state unless a control signal is received. For programs whose execution time is greater than the duration of the control signal, the microprocessor supplies a signal to the switch keeping it in the conductive state until the program has been fully executed.

Apparatus for decreasing current consumption of microprocessors in

To mount control switches for convenient operation by the operator of motor vehicles, a cantilevered, free standing multi-faceted elongated hollow box like structure is secured to the steering post housing so that it is located between the steering wheel and the dashboard, spaced from the dashboard. A plurality of touch-sensitive switches are located on the surfaces of the structure defined by the facets thereof. The structure includes printed, or integrated circuits to which the switches are connected which, in turn, are attached to a cable which is separably connected to the cabling of the vehicle. Preferably, discrete switch functions, such as headlight energization, windshield wiper controls, and the like are mounted on discrete, different surfaces of the box like structures, whereas similar functions with different control effects, such as windshield wiper speed can be mounted on the same surface, so that erroneous operation of a switch will not initiate an erroneous function, but at best only an erroneous mode of operation of the selected function.

Switchbox and control unit assembly for automotive vehicles

Two surface electrodes are applied to an insulating substrate. The surface electrodes are totally surrounded by a metallic shield which is electrically floating, one of the electrodes being an emitter electrode emitting ac radiation and the other a receiving electrode. A portion of the emitted field is conducted by the shield. Upon approach, or touching of the shield by a grounded body, for example by the hand of a user, the field distribution within the shield will change and the radiation received by the receiving electrode will likewise change. In accordance with the present invention, an integrated circuit (IC) evaluation circuit is located beneath the metallic shield on the insulating substrate, the surface electrodes as well as external terminals passing through the insulated substrate being connected to the IC. Preferably, the shield is a plastic cap which is metallized, formed with snap tongs to snap over the insulated substrate.

Proximity switch and circuit system

A leakage field capacitor has two adjacently located surface electrodes placed on an essentially plane support surface. A signal source is connected to one of the electrodes, so that this electrode, which may then be termed the transmitting electrode, will provide an electrical field which is sensed by the other, receiving electrode, which is connected to an evaluation circuit which evaluates disturbance of the field generated by the transmitting electrode. A metallic shield which is electrically floating i.e., is galvanically isolated with respect to the electrodes is connected to the signal source as well as to the evaluation circuit in such a manner as to draw off a portion of the field generated by the transmitting electrode when a mass connected to a terminal of the electrodes -- for example ground of chassis -- approaches the shield to cause an increase in leakage field being drawn off by the shield and thereby provide a positive signal indication; the grounded mass may, for example, be the finger of a user operating a switch.

Capacitative proximity sensing system

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Rosstal, Germany

Lothar Haas