Mannesmann Aktiengesellschaft

Dieter Beth

Johann Stempfle

Alfred Babsch

Werner Panzer

Erich Steppe

In an office machine, in particular in a matrix printer which is provided with a power grid component (3) for the power supply of the electrical or, respectively, the electronic circuits and which includes a safety fuse on the power grid input side, there is disclosed for purposes of more clarity of the construction, for an easier operability and for protection against false connection, that a multiple safety fuse socket (6) for at least two melting safety fuse bodies (9, 10) is coordinated to a voltage selection switch (7). The multiple safety fuse socket (6) can be placed in different relative geometric positions with respect to the voltage selection switch (7) into a fuse socket (8). A selected voltage is coordinated at the voltage selection switch (7) in each position of the multiple safety fuse socket (6).

Office machine, in particular matrix printer

Opaque/translucent-transparent markings on a flat track pass through a gap defined by a carrier body sealed in a casing and having peripheral grooves ending at the gap of the body for embedding light conductors connected to light emitting and receiving means aranged generally on opposite sides of the gap.

Electro optical transducer utilizing aligned light conductors

The present invention relates to the digital control of a machine or equipment, particularly but not exclusively a matrix printer under utilization of an increment step sensor monitor or pick up operating on the basis of optic electronic principles and including at least one source of radiation and at least two pickup transducers disposed in the ray path from the source of illumination and further including a marker track composed of alternating transparent or translucent and opaque increments being unilinearly moveable, either on a curved or on a straight path.

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Thalfingen, Germany

Dieter Beth