Abstract: With reference to FIG. 1 signal processor (10) for performing transformations of sets of input data points comprises a memory for storing a first half input data points and a second half input data points, an adder unit for pairwise adding one real part of each one first half input data point and a second half input data point and providing adder output data, and a computing unit for performing transformations upon the adder output data. Addition for data reduction and data transformation are carried out simultaneously by different units.

Abstract: A projection system for a computer has an electronic slide (94) that is coupled to an electronic image signal (84) from a processor (82) in the computer (50). Projection optics (102) focus an optical image from the electronic slide (94) onto a screen (58).

Abstract: An apparatus for placing at least one biological reagent at a plurality of locations on a substrate includes a stamp member onto which the at least one biological reagent is applied. The stamp member defines a plurality of transfer elements patterned to correspond to the plurality of locations. The stamp member contacts the substrate to transfer the at least one biological reagent from the plurality of transfer elements to the plurality of locations. The transfer elements can be defined by reservoirs or projected portions of the stamp member.

Abstract: An apparatus comprises a disk-shaped support member (20) supporting a first sample-processing device (28) and a second sample-processing device (30). The first sample-processing device (28) has an elongate portion oriented along a first radial axis (32) of the support member (20). The second sample-processing device (30) has an elongate portion oriented along a second radial axis (34) transverse to the first radial axis (32). A sample-processing device can comprise a plurality of conduits (150) interconnected in a tree topology to couple an inlet (152) with a plurality of outlets (154). The inlet (152) is located at a root vertex and each of the outlets (154) is located at a corresponding leaf vertex of the tree topology. Each of a plurality of molecular detection chambers (156) is coupled to a respective one of the outlets (154). A method of using the apparatus is disclosed.

Abstract: A multiply-multiply-accumulate (MMA) system (10) efficiently evaluates matrix products X=F*C. Matrix C is dissected into submatrices A and B taking advantage of symmetry in C. LOG unit (14) converts B, A, and F to LOG values B', A' and F'. These are summed in K parallel calculating units CU's (18) and converted back to Normal domain as P=F*B*A in ALOG units (22) and sent to accumulators ACU's (24). The ACU's (24) accumulate the results. An output buffer (26) combines the results. The B', A' values (32,34) are held in a cache memory (20) and the LOG sums are performed in two steps with intermediate storage.

Abstract: A method and system for an L.sub.1 norm operation are provided. A sequence of input signals is distributed through a data pipeline to a programmable accumulator. The accumulator sums the input signals to generate an output signal. The L.sub.1 norm operation can be performed using the distance between two vectors.

Abstract: A handheld device comprises a housing and an optical reader supported by the housing. The housing can include a corner portion at which the optical reader is accessible. Alternatively, the housing can define a major exterior surface at which the optical reader is accessible. The optical reader can include a scanning beam reader responsive to an orientation of the handheld device.

Abstract: A method of providing a resource in an electronic network (20) which includes receiving a signal associated with machine-readable data (16) read from a network navigation device (10). The network navigation device (10) has a human-viewable image (14). The method further includes identifying the resource based upon the signal, and communicating content of the resource. The method can be performed by a node (24) of the electronic network (20).

Abstract: A method of producing a network navigation device which includes writing machine-readable data (16) to a substrate (12), and writing a human-viewable image (14) to the substrate (12). The machine-readable data (16) provides an instruction for linking to a resource in an electronic network (20). The human-viewable image (14) is associated with the resource.

Abstract: In accordance with a first aspect, a noninvasive apparatus comprises a card-shaped housing which supports the transdermal delivery device (10). In accordance with a second aspect, a retaining member (18) retains a removable member (16) proximate to at least a portion of the transdermal delivery device (10). In accordance with a third aspect, a transdermal delivery apparatus comprises a processor (24) to receive delivery data via an interface (28) and to direct a transdermal delivery device (10) based upon the delivery data.

Abstract: Parallel signal processor (10) (FIG. 2) performs a Fourier Transformation of an input signal; The transformation coefficients are converted once to logarithmic form and stored in a cache memory. The input data is converted serially to logarithmic form, and fed to all processing units in parallel. The processing units compute their respective products as additions in the logarithmic domain. Then, the products are converted back to the normal domain. The products with the correct sign are summed by an accumulator of the respective processing element. After the last signal data point has run through the processing elements and the last products are added to their respective sums, all complex output signal data points are complete simultaneously.

Abstract: A food storage apparatus (22) comprises a container (26) to contain a food item (20), a humidity sensor (34) to sense a humidity within the container (26), and a transmitter (66) responsive to the humidity sensor (34) to transmit a signal based upon the humidity. A system for monitoring at least one food item within a storage place (24) comprises a receiver (88) to receive the signal, and an indicator (40) responsive to the receiver (88). Methods for monitoring at least one food item are also disclosed.

Abstract: A molecular detection device including a support member (36) and a plurality of molecular receptors (34) arranged at a plurality of sites of the support member (36). In a first aspect, the molecular receptors (34) are arranged in accordance with a mapping selected from the group consisting of a random mapping and a pseudorandom mapping. In a second aspect, data associated with the mapping is written to a member associated with the support member (36). In a third aspect, the molecular receptors (34) includes a first plurality of molecular receptors germane to an application and at least one molecular receptor extraneous to the application.

Abstract: An accounting system includes a point of sale terminal (20) to print a transaction receipt (26) having a nonpredictable bar code (36) and human-readable transaction information (34) based upon the transaction data. The point of sale terminal (20) communicates the transaction information to a transaction information system. The transaction information is downloaded from the transaction information system by reading the nonpredictable bar code (36) with a data reader (54).

Abstract: An apparatus that includes a logarithm based processor (216) having at least one digital logarithm converter (202) and a power amplifier (208) responsive to the logarithm based processor (216).

Abstract: In accordance with a first aspect, a noninvasive apparatus comprises a housing (42) having a grasping region (44), and a noninvasive extraction device (10) to noninvasively extract a sample from a hand of an end user at the grasping region (44). In accordance with a second aspect, a noninvasive apparatus comprises a card-shaped housing which supports the noninvasive extraction device 10. In accordance with a third aspect, a retaining member (22) retains a removable biosensor (16) proximate to at least a portion of the noninvasive extraction device (10).

Abstract: A method and system for a convolution operation in a digital signal processor (DSP) are provided. The convolution operation is performed in a logarithmic number system (LNS) domain. The DSP includes a plurality of processing elements that executes the convolution in a highly parallel fashion. The method can be implemented as a software program that directs a LNS based DSP to execute the convolution operation.

Abstract: A parallel processor (110) operates in the LOG domain. A LOG converter (114) receives input data in the NORMAL and converts it to the LOG domain for processing in the parallel processing units PPU-k. Scaling of the input data, is performed in the LOG converter (114) without need for additional multipliers. A constant factor is added to the LOG input data during the LOG conversion process using existing LOG adders already present to perform the LOG conversion. Thus, less total circuitry is needed and the processor can be made more compact, more efficient and less costly.

Abstract: A medical communication apparatus comprises a receiver (54) to receive a message and at least one output device (56) responsive to the receiver (54). The at least one output device (56) generates an alert for taking a first medicine and a second medicine in response to the message, and graphically indicates the first medicine and the second medicine.

Abstract: An apparatus that includes a logarithm based processor (216) having at least one digital logarithm converter (202) and an audio amplifier (208) responsive to the logarithm based processor (216).