Patent ID: 7345271

Claim:
An optoelectronic sensing device, comprising a transmitter device for the transmission of electromagnetic radiation, at least one receiver device associated with the transmitter device and at least one deflection device, with which radiation transmitted by the transmitter device can be directed into a monitored zone and radiation reflected from the monitored zone can be directed onto the receiver device, characterized in that the transmitter device includes a plurality of transmitter modules which are spatially separate from one another and which each transmit radiation along their own propagation path, the transmitter modules are aligned such that fronts of the transmitted radiation together form a total radiation front in the monitored zone which is larger than the fronts of the transmitted radiation from one of the transmitter modules and can be controlled for alternate transmission of radiation pulses; and the deflection device has a common planar reflection surface configured to receive radiation transmitted by each of the transmitter modules and reflected from the monitored zone with the radiation transmitted by the transmitter modules and the radiation reflected from the monitored zone being incident on the reflection surface at regions spatially separate from one another, the deflection device rotatable configured to carry out a continuous rotary movement at a constant rotational speed.