Abstract: A measurement device relates to a Halios system for measuring an optical transmission path, in which at least one receiver and a compensation transmitter are optically separated from each other by an optical barrier in such a matter that a direct irradiation of said receiver by said compensation transmitter is not possible. Said compensation transmitter and a transmitter are of the same type and/or have at least a common electric optical working point in an optical working point. Said optical barrier has a compensation path, characterized by a compensation window, which attenuates the light of the compensation transmitter before it hits the receiver in such a manner that the compensation transmitter and said transmitter are operated at least in an optical working point by a controller in said identical electro-optical working point.

Abstract: A device for measuring a measured optical transmission path includes a first optical transmitter transmitting into the measured optical tramsmission path and a compensation transmitter transmitting into a compensation optical transmission path. The device includes an optical receiver for receiving transmissions from each of the first optical transmitter and the compensation transmitter. A controller controls the compensation transmitter and provides a controller output signal representative of a measured value of the first transmission path. A nose piece separates the optical transmitter from the optical receiver. The compensation transmitter is placed in a first cavity. The receiver is placed in a second cavity. A filter in the measured optical transmission path has a transmissivity for the wavelength of the light of the first optical transmitter of at least 50% and an absorption factor for the wavelength of the light of the compensation transmitter of at least 25%.

Abstract: A measurement device relates to a Halios system for measuring an optical transmission path, in which at least one receiver and a compensation transmitter are optically separated from each other by an optical barrier in such a matter that a direct irradiation of said receiver by said compensation transmitter is not possible. Said compensation transmitter and a transmitter are of the same type and/or have at least a common electric optical working point in an optical working point. Said optical barrier has a compensation path, characterized by a compensation window, which attenuates the light of the compensation transmitter before it hits the receiver in such a manner that the compensation transmitter and said transmitter are operated at least in an optical working point by a controller in said identical electro-optical working point.

Abstract: A device for measuring a measured optical transmission path includes a first optical transmitter transmitting into the measured optical tramsmission path and a compensation transmitter transmitting into a compensation optical transmission path. The device includes an optical receiver for receiving transmissions from each of the first optical transmitter and the compensation transmitter. A controller controls the compensation transmitter and provides a controller output signal representative of a measured value of the first transmission path. A nose piece separates the optical transmitter from the optical receiver. The compensation transmitter is placed in a first cavity. The receiver is placed in a second cavity. A filter in the measured optical transmission path has a transmissivity for the wavelength of the light of the first optical transmitter of at least 50% and an absorption factor for the wavelength of the light of the compensation transmitter of at least 25%.

Abstract: An optical operating element comprises a light-emitting transmitter, an optical receiver, a prism, and a cover. The prism has a side surface that is an active sensor area, and the prism is arranged below the cover such that the active sensor area is oriented substantially parallel to the underside of the cover. The cover has a sensor region which is above the active sensor area and which has a transmittance of at most 99%, at most 95%, at most 90%, at most 80% or at most 50%. Light emitted by the transmitter is guided through the prism and passes through the active sensor area and the cover. The emitted light reflected at an object enters through the sensor region and the active sensor area and is guided through the prism to the receiver. A change in reflection is identified by an evaluation circuit and is interpreted as switching.

Abstract: A supply holding hair-treatment liquid has an elongated dispenser spout and is used with an applicator having a body fittable to the supply with the spout projecting a predetermined distance beyond the body. A plurality of hard support core pins are fixed on the body extend adjacent the spouts and respective soft cover sheaths fitted over the support pins form therewith teeth projecting from the body beyond an outer end of the spout when the body is fitted to the supply.

Abstract: The invention relates to a sealing/pouring combination with security seal, comprising a sealing cap piece (1), for mounting on a pouring piece (2) with a through passage (3) and for sealing the through passage, whereby the sealing cap piece has a cap circumferential wall (6) and complementary engaging means provided on the sealing cap piece and the pouring piece which come into engagement with each other during the assembly of the sealing cap piece on the pouring piece. The above prevents a movement of the sealing cap piece in a direction against that of the assembly direction. The engaging means on the cap are provided on at least one circumferential wall region (11), recessed in the circumferential wall of the sealing cap piece, connected to the cap circumferential wall with at least a pair of webs (12, 13) in the region of the circumferential ends thereof, of which at least one is embodied as a tear-off web (12).