A color shifting security device has a Fabry-Perot type structure wherein a dielectric layer is disposed between a reflector and an absorbing layer. The absorber and reflector layers may be conforming and the dielectric layer therebetween is non-conforming, filling the regions in the micro structured adjacent absorbing or reflecting layer, at least one of which has a microstructure therein or thereon. By having the dielectric layer not conform to the microstructure it is next to, its thickness varies in cross section, which allows for different colors to be seen where the thickness varies.

A color shifting security device has a Fabry-Perot type structure wherein a dielectric layer is disposed between a reflector and an absorbing layer. The absorber and reflector layers may be conforming and the dielectric layer therebetween is non-conforming, filling the regions in the micro structured adjacent absorbing or reflecting layer, at least one of which has a microstructure therein or thereon. By having the dielectric layer not conform to the microstructure it is next to, its thickness varies in cross section, which allows for different colors to be seen where the thickness varies.

A handheld imaging device includes an image sensor for sensing an image; a processor for processing the sensed image; a plurality of processing units provided in the processor, the plurality of processing units connected in parallel by a crossbar switch to form a multi-core processing unit for the processor; and an image sensor interface for converting signals from the image sensor to a format readable by the plurality of processing units, the image sensor interface sharing a wafer substrate with the processor. A transfer of data from the image sensor interface to the plurality of processing units is conducted entirely on the shared wafer substrate.

A handheld imaging device includes an image sensor for sensing an image; a processor for processing the sensed image; a plurality of processing units provided in the processor, the plurality of processing units connected in parallel by a crossbar switch to form a multi-core processing unit for the processor; and an image sensor interface for converting signals from the image sensor to a format readable by the plurality of processing units, the image sensor interface sharing a wafer substrate with the processor. A transfer of data from the image sensor interface to the plurality of processing units is conducted entirely on the shared wafer substrate.

A color shifting security device has a Fabry-Perot type structure wherein a dielectric layer is disposed between a reflector and an absorbing layer. The absorber and reflector layers may be conforming and the dielectric layer therebetween is non-conforming, filling the regions in the micro structured adjacent absorbing or reflecting layer, at least one of which has a microstructure therein or thereon. By having the dielectric layer not conform to the microstructure it is next to, its thickness varies in cross section, which allows for different colors to be seen where the thickness varies.

A color shifting security device has a Fabry-Perot type structure wherein a dielectric layer is disposed between a reflector and an absorbing layer. The absorber and reflector layers may be conforming and the dielectric layer therebetween is non-conforming, filling the regions in the micro structured adjacent absorbing or reflecting layer, at least one of which has a microstructure therein or thereon. By having the dielectric layer not conform to the microstructure it is next to, its thickness varies in cross section, which allows for different colors to be seen where the thickness varies.

A handheld imaging device includes an image sensor for sensing an image: a Very Long Instruction Word (VLIW) processor for processing the sensed image; a plurality of processing units provided in the VLIW processor, the plurality of processing units connected in parallel by a crossbar switch to form a multi-core processing unit for the VLIW processor; and an image sensor interface for receiving signals from the image sensor and converting the signals to a format readable by the VLIW processor, the image sensor interface sharing a wafer substrate with the VLIW processor. A transfer of data from the image sensor interface to the VLIW processor is conducted entirely on the shared wafer substrate.

A handheld imaging device includes an image sensor for sensing an image: a Very Long Instruction Word (VLIW) processor for processing the sensed image; a plurality of processing units provided in the VLIW processor, the plurality of processing units connected in parallel by a crossbar switch to form a multi-core processing unit for the VLIW processor; and an image sensor interface for receiving signals from the image sensor and converting the signals to a format readable by the VLIW processor, the image sensor interface sharing a wafer substrate with the VLIW processor. A transfer of data from the image sensor interface to the VLIW processor is conducted entirely on the shared wafer substrate.

The present invention relates to a pen-type drug injection device, comprising a dose scale drum (22) and having a housing (12) with a window (14) covered by an optical filter (50), the dose scale drum being displaceable axially relative to the housing during dose setting such that the dose value set can be read through the window while at least a portion of the dose scale drum protrudes from the housing. The dose values (42) are printed on an information surface (40) of the drum as an illegible pattern (48) together with a coding pattern (44), wherein the dose values (42) and the coding pattern (44) are designed such that light (52) reflected by or emanating from the illegible pattern (48) interacts with the optical filter (50) in such a way that the dose values (42) are exclusively recognizable through the optical filter (50) but not on the part of the dose scale drum protruding from the housing. The optical filter can be a color filter or a polarization filter in order to achieve the desired effect. In this way confusion of the actually set dose value and dose values which would otherwise be visible on the part of the dose scale drum protruding from the housing can be avoided during dose setting.

A portable handheld device including a CPU for processing a script; a multi-core processor for processing an image; an input buffer for receiving data for processing by the multi-core processor, the input buffer being provided under the control of the multi-core processor to send data thereto; and an output buffer for receiving data processed by the multi-core processor, the output buffer being provided under the control of the multi-core processor to receive data therefrom. The multi-core processor comprises a plurality of micro-coded processing units. The CPU is configured with authority to clear and query the input and output buffers.