Abstract: The present invention relates to a roller blind system for a vehicle roof, comprising two roller blind assemblies, wherein he roller blind web of the first roller blind assembly is designed to be longer in the extension direction than the roller blind web of the second roller blind assembly. At least one compression-resistant drive cable is provided, a first section of which is firmly attached to a pulling hoop of the first roller blind assembly and a second section of which can be detachably engaged with a pulling hoop of the second roller blind assembly. According to the invention, a locking mechanism is provided, which has an elastically deformable clip-on connection, by means of which the second section of the drive cable can be detachably engaged with the pulling hoop of the second roller blind assembly.

Abstract: The present invention relates to a roller blind system for a vehicle roof, comprising two roller blind assemblies, wherein he roller blind web of the first roller blind assembly is designed to be longer in the extension direction than the roller blind web of the second roller blind assembly. At least one compression-resistant drive cable is provided, a first section of which is firmly attached to a pulling hoop of the first roller blind assembly and a second section of which can be detachably engaged with a pulling hoop of the second roller blind assembly. According to the invention, a locking mechanism is provided, which has an elastically deformable clip-on connection, by means of which the second section of the drive cable can be detachably engaged with the pulling hoop of the second roller blind assembly.

Abstract: A circuitry is disclosed for superimposing small, low energy (2) and large substantially higher energy (3) signals, in particular for transmitting speech signals with a remote supply direct signal for a receiving circuit or with a high energy alternating signal, for example a call alternating voltage for signaling. The circuitry includes an operational amplifier (1), having one input connected to a pole of a source supplying the small signal and operational voltage inputs being connected to a voltage supply source. In order to allow low energy, weak signals, such as speech signals, and high energy signals and direct voltages to be transmitted by such a circuitry over a subscriber line by means of simple components, the second pole of the small signal source (2) is connected to the second input of the operational amplifier (1) and one pole of a higher energy signal supply source (3) is connected to one pole of the voltage supply source (V).

Abstract: An electric control circuit for the supply of ohmic-inductive loads via direct-current pulses with changeable pulse use-ration encompasses a regulator featuring a transformer (T) wherein the transformer is designed as an autotransformer with a single continuous winding with center tap and taps symmetrical to the center tap, is connected on the primary side via electronic switches (Q.sub.3, Q.sub.4) bridged by freewheeling diodes in push-pull arrangement to a direct-voltage source (B) and, on the secondary side, is connected via electronic switches (Q.sub.5, Q.sub.6) which are symmetrical to the transformer (T) and are bridged by freewheeling diodes. Between the connection point of the connections facing away from the transformer (T) of the electronic switches (Q.sub.5, Q.sub.6) on the secondary side, and the pole of the direct-voltage source (B) which pole faces away from transformer (T), there is connected at least one series circuit of two electronic switches (Q.sub.1, Q.sub.

Abstract: An X-ray diagnosing device for producing X-ray photographic series, particularly motion pictures, has means for overload protection of the X-ray tube and an indicating device for the permissible scene duration. The invention is particularly characterized by a calculator which is programmed corresponding to anticipated photographing programs, and which produces upon the indicating device the duration of a scene, and indication zero for the pause required for the full scene duration after the last photographing series corresponding to the selected photographing program, and, after the termination of this pause, an indication of the full scene duration.

Abstract: An X-ray diagnosis apparatus for fluoroscopy and exposure includes an image-intensifier-television chain, a device for controlling the dose rate during X-raying, means fixing the exposure data from X-raying data and an automatic exposure timer. The invention is particularly characterized by the provision of a function generator which receives a signal corresponding to the X-raying voltage and produces therefrom an output signal operating the setting means for the exposure voltage, and wherein is programmed the shape of the photographing voltage depending upon the X-raying voltage.

Abstract: An X-ray diagnostic apparatus employed in radioscopy and for X-ray film exposures, including an X-ray tube with a rotating anode, in which the transitional time during changes in operational mode is completely eliminated. A circuit arrangement is included in the X-ray diagnostic apparatus in which each exposure upon actuation of an exposure triggering element immediately follows the preceding radioscopic operation, and wherein a signal corresponding to the actual value of the anode rotational speed is transmitted to a power output adjusting element, the power adjusting element being programmed in conformance with the permissible cycle of the X-ray tube power output in dependence upon the anode rotational speed, and to thereby effect the setting of the X-ray tube power output associated with the respective anode rotational speed.

Abstract: An X-ray generator for an apparatus for the production of tomographic X-ray pictures at varying exposure periods, which is preset through the apparatus motion path of the exposure unit consisting of an X-ray tube and picture target carrier, and which includes setting means for adjusting the X-ray tube voltage and the X-ray tube current and a timing switch for determination of the exposure time. Programmed into the generator is a pair of values from the X-ray tube voltage and X-ray tube current for each exposure time and for each body organ which is to be X-rayed selectable by means of a selector arrangement, as well as including means for the selection of the path of motion.