Abstract: A cell resequencing system is provided for a resequencing section (RS) of a telecommunication network through which cells of communications are transmitted. The resequencing section includes cell switching networks (SN2) having inlets (I2l/I2n/I2N) coupled to inputs (S1l/S1n/S1N) and outlets (N2l/N2m/N2M). The cells are subjected to a first variable time delay. The cell resequencing system (C1l/C1n/C1N, CK1; R2l/R2m/R2M, CK2) includes latches (R2l/R2m/R2M) coupled between the outlets (N2l/N2m/N2M) and the outputs (S2l/S2m/S2M) to subject the cells to a second variable time delay chosen for each cell so the sum of the first and second variable time delay is substantially equal to a predetermined constant time value, which determines the size of the latches (R2l/R2m/R2M). The resequencing section (RS) has two inputs (S1l, S1n/S1N) each coupled to a distinct inlet (I2l/I2n/I2 N) via a distinct transmission link (TLl/TLn/TLN).

Abstract: A grooved anode plate 40 for use in a field emission flat panel display device comprises a transparent planar substrate 42 having a plurality of electrically conductive, parallel stripes 46 comprising the anode electrode of the device, which are covered by phosphors 48.sub.R, 48.sub.G and 48.sub.B. In one embodiment, grooves 50, having generally straight sidewalls, are formed in the upper surface of planar substrate 42 at the interstices of conductors 46. In a second embodiment, grooves 50', which provide a substantial undercutting of the material of substrate 42' adjacent the edges of conductors 46', are formed in the upper surface of planar substrate 42' at the interstices of conductors 46'. A substantially opaque, electrically insulating material 52 is affixed to substrate 42 in the grooves 50 formed between conductors 46, acting as a barrier to the passage of ambient light into and out of the device.

Abstract: To ensure contact of axially bent-back current supply leads, extending over plate-like base terminals of an elongated fluorescent lamp, and ensure electrical connection between the bent-over or bent-back portions with socket terminal springs (9a, 9b), in spite of misalignment of the bases (3) at two opposite ends of the fluorescent lamp, the junctions or corners (1118) between the narrow wall portions (18a, 18b) and wide side wall portions (11a, 11b; 12a, 12b; 13a, 13b) of the end portion (4) of the base are set back from the position in a theoretical geometric rectangle or parallelogram to form relieved wide side wall portions. The relieved side wall portions extend axially over essentially the entire length of the end portion (4) of the base.

Abstract: Intersymbol interference and precoding loss are minimized by combining the precoding and coding operations. An intersymbol interference coder uses a feedback loop to apply a dither sequence to a sequence of input signal points. The dither signal applied to each input signal point is a function of the previous signal points in the sequence. The intersymbol interference coder implements, for example, a trellis coding operation by selecting one of several different modulo operations to determine the magnitude of the dither signal, the selection being made in response to the current trellis state. The sequence of signal points output from the intersymbol interference coder generates a valid sequence of the trellis code input to the Viterbi decoder.

Abstract: An apparatus for and a method of permitting the in-band negotiation of enhanced capabilities between two or more facsimile interface units (FIUs) by using FIU capabilities control packets containing a plurality of data cells carrying information of the capability negotiation information is disclosed. In operation, a called station identification signal is transmitted from a remodulating FIU together with a special capabilities packet following the end of a line control packet. The calling FIU may issue a response agreeing to or modifying the compatible enhancements by sending its own special capabilities control packet containing compatibility negotiation information. In another aspect of the present invention, an FIU adds a set of data cells to a line control packet to minimize the possibility of data cell alignment due to degraded channel conditions.

Abstract: The present invention is directed to reversing the trend in conventional video printing by providing a cost-effective, flexible device which is independent of the printing device and which can respond to any of numerous highly accurate trigger signals for capturing a video image. Exemplary embodiments can be used with any conventional computer printing device to provide plain paper prints of video images. By focusing on optimizing cost-effectiveness and system flexibility rather than providing high resolution photographic quality prints, the present invention can provide video printing features never before realized. Exemplary embodiments of the present invention relate to a method and apparatus for processing an input video data stream by receiving the input video data stream, and by automatically controlling processing of at least a portion of a video frame in response to a predetermined condition of the input video data stream.

Abstract: A high-speed image signal processing system for encoding an image signal, read out at a high speed, into an encoded signal, and/or for recording a decoded signal obtained through a decoding operation on an encoded signal. The image signal, obtained through a scanning operation on an original document, is sent to an encoder through an image bus. A code bus, provided at an output of the encoder, is connected with an encoded-signal memory for storing the encoded signal. A code transfer unit, for performing input/output operation over the encoded signal and for performing transfer of the encoded signal from the code bus to a system bus, is disposed between the code bus and the system bus. A control unit, performing control over the entire system, and a document management data memory, storing management data for performing management over documents stored in the encoded-signal memory, are connected to the system bus.

Abstract: A receiver for providing binary signals from a transmission line to a data system is disclosed. The receiver includes a differential comparator for comparing a reference voltage to an input voltage and for providing a comparator output signal in response to the comparison. The comparator output signal indicates whether the input voltage is greater or less than the reference voltage. A first current source is coupled to the differential comparator for providing current to the differential comparator. The first current source provides substantially the same amount of current to the differential comparator whether the input voltage is greater or less than the reference voltage, and the first current source has a positive temperature coefficient so that when temperature increases the current provided by the first current source increases. A middle stage amplifies the comparator output signal to produce a middle stage output signal and compensates the middle stage output signal for variations in temperature.

Abstract: Finishing requirements are set (S31) and points of image data at each of which the finishing requirements should be met are specified (S32). The magnitude of correction of each of set-up parameters related to gradation is set based on halftone % data at each specified point and target halftone % data corresponding to the finishing requirements (S35). The halftone % data at each specified point is re-calculated based on the corrected set-up parameters (S36). The result of correction is evaluated and each of the set-up parameters is repeatedly corrected so as to reach the optimum value (S37). As a result, the most suitable set-up parameters can be obtained. Thus, the optimum image in which the finishing requirements are met can be obtained by image processing under the optimum set-up parameters.

Abstract: In a simultaneous voice and data communications system, a voice signal is mapped into an N-dimensional signal space constellation as a vector, and added to a reference signal point, i.e., a data symbol, where the data symbol is selected from a constellation of data symbols every signaling interval as a function of a data signal. The constellation signal space is further divided into a number of shaped regions, where each region is associated with a different one of the data symbols. The shape of each region is selected as a function of the characteristics of the voice, or audio, signal. In particular, each region illustratively has a rectangular shape.

Abstract: A data transceiver includes a transmitter connected at one end of a data transmission line and a receiver connected at the other end of the data transmission line. At least some portions of the transceiver are formed in CMOS. A temperature compensation circuit is connected to selected components of the transceiver to correct for temperature-induced variations in currents through those components. The temperature compensation circuit includes a pair of transistors connected, respectively, in parallel conduction paths. The respective width-to-length ratios of the channels of the transistors are unequal, and their gates are tied together. The current through the larger transistor varies directly with temperature, and this current is reflected in a current mirror transistor that is connected to the shorted gates of the transistor pair.

Abstract: As image data is received by the facsimile machine, it is stored in the form of plural lines. A line which contains black pixels more than a predetermined number is taken as a drawing line (image-carrying line or effective line). All the image data lines are scanned from the top to the bottom to find a top image-carrying line or top effective line and a bottom image-carrying line or bottom effective line and the number of the lines from the top effective line to the bottom effective line is calculated as the number of the effective lines of sending sheet. If the number of the effective lines of the sending sheet exceeds the number of recording lines of a recording sheet, the image data is reduced with a reduction ratio which is determined by the number of the recording lines and the number of the effective lines.

Abstract: A system for electronically developing an image captured on a film with two or more image capture layers. A developing solution is applied to the film and the film is illuminated by two lights on opposing surfaces. A scanner captures the light reflected from the film by each light source. The two digital images are combined on a pixel-by-pixel basis to form a final image. An alternate embodiment includes a third scanner to capture light transmitted through the film in order to form a third digital scan image which is then combined on a pixel-by-pixel basis with the other two images to form the final image. The invention provides a method for creating an image digitally without first creating an image in the film itself.

Abstract: A digital decoder for a biphase-mark encoded serial digital signal detects edges in the encoded serial digital signal by sampling with a sample clock to produce a blivet signal. The blivet signal is filtered by a one-bit digital lowpass filter to recover a decoded clock signal and to generate a transition window signal. The blivet and window signals are used to detect whether there is a transition within each bit interval defined by the decoded clock signal. A decoded serial digital signal has a logical one for each bit interval in which a transition occurs, and a logical zero otherwise.

Abstract: An object of the present invention is to provide a facsimile apparatus having a high resolution image display unit and a hard copying unit, which is capable of preventing wasteful consumption of recording paper sheets while revealing a reduced size and excellent operation facility.

Abstract: A method of compensating a phase of a system clock for use in a system clock circuit for receiving an external clock to produce a system clock for an information processing system, in which the quantity of phase variation of the external clock supplied from a reference clock oscillator provided outside the system is detected; in accordance with the detected quantity of phase variation, the phase variation of the external clock supplied from the reference clock generator is compensated to supply the compensated external clock to the system clock circuit; whether or not a state of the external clock supplied from the reference clock oscillator provided outside the system is abnormal is detected; and in accordance with the detected state of the external clock, one of the external clock supplied from the reference clock oscillator and the compensated external clock is selected to supply the selected external clock to the system clock.

Abstract: An anode plate 40 for use in a field emission flat panel display device comprises a transparent planar substrate 42 having a plurality of electrically conductive, parallel stripes 46 comprising the anode electrode of the device, which are covered by phosphors 48.sub.R, 48.sub.G and 48.sub.B, and a gettering material 52 in the interstices of the stripes 46. The gettering material 52 is preferably selected from among zirconium-vanadium-iron and barium. The getter 52 may be thermally reactivated by passing a current through it at selected times, or by electron bombardment from microtips on the emitter substrate. The getter 52 may be formed on a substantially opaque, electrically insulating material 50 affixed to substrate 42 in the spaces formed between conductors 46, which acts as a barrier to the passage of ambient light into and out of the device. Methods of fabricating the getter stripes 52 on the anode plate 40 are disclosed.

Abstract: Storage, manipulation, and retrieval of files, for example data representations of scanned documents, is facilitated by establishing a relationship between an arbitrary, image domain file label and a computer recognizable text domain file name for the file. Selection of the arbitrary, image domain file label is interpreted as a selection of the related file. The arbitrary, image domain file name is assigned by way of a paper form or the like, and may be assigned at the time of document storage. The arbitrary, image domain file label facilitates the meaningful naming of a file for storage when a keyboard or other typical text entry apparatus is unavailable, such as when inputting a document for storage by way of a facsimile machine. Character recognition is not performed on the arbitrary, image domain file label, so the burden on the processing resource is minimized, while errors from inaccuracy are eliminated.

Abstract: An improved precoding technique (700) and device (100) allows transmission of a signal point sequence over a channel h(D) to provide efficient data transfer in the presence of intersymbol interference and noise at data rates approaching channel capacity. This improved technique works with trellis-coded modulation and with any signal constellation. Thus, the present invention simplifies shaping and allows signaling at fractional rates without constellation switching. A key advantage of the present invention over prior art is its ability to achieve reduced dither loss by selecting the output components of a mapper based on past components of a channel output sequence.

Abstract: The invention relates to an image reading apparatus for reading images of original documents by moving the original relative to a stationary image reader. A single image reader is used in a first embodiment. When reading the image of a first side, the single image reader is stationary at a first position to read the original. When reading the image of a second side, the single image reader is moved to a second position corresponding to the size of the original, and reads the image of the second side while said image reader is stationary at the second position. The image reading apparatus of the second embodiment uses a stationary first reader for reading a first side of an original, and movable second image reader for reading a second side of an original. The image reading apparatus of the second embodiment changes the positions of the image reader in accordance with the size of the original.