Abstract: Systems, methods and devices enable wireless discovery of printer devices in proximity to a wireless communication device. A wireless device may detect a mobile print service triggered on the wireless communication device, scan radio channels associated with Bluetooth Low Energy (BLE) advertisement broadcasts, receive BLE advertising packets from printer devices, and display a list of discovered printer devices and printer capabilities based on the received BLE advertising packets. A wireless device may further detect a user input selecting a printer device from the list, establish a BLE connection with the selected printer device, receive information over the BLE connection identifying a wireless local area network (WLAN) or a wireless direct communication link to which the selected printer device is connected, wherein the information is received with the selected printer device, and send a print job to the selected printer device over the identified WLAN or a wireless direct communication link.

Abstract: Systems, methods and devices enable wireless discovery of printer devices in proximity to a wireless communication device. A wireless device may detect a mobile print service triggered on the wireless communication device, scan radio channels associated with Bluetooth Low Energy (BLE) advertisement broadcasts, receive BLE advertising packets from printer devices, and display a list of discovered printer devices and printer capabilities based on the received BLE advertising packets. A wireless device may further detect a user input selecting a printer device from the list, establish a BLE connection with the selected printer device, receive information over the BLE connection identifying a wireless local area network (WLAN) or a wireless direct communication link to which the selected printer device is connected, wherein the information is received with the selected printer device, and send a print job to the selected printer device over the identified WLAN or a wireless direct communication link.

Abstract: Embodiments are directed to processing documents on a computer. A document may received on a computer over a platform specific interface. The document may be provided to a platform independent engine where parser may be configured to parse the document based on a page description language (PDL) that comprises the document. A plurality of feature objects may be generated based on feature information. Intermediate documents may be generated based on the plurality of feature objects. The intermediate documents may be stored on a data store for various reasons including, backups, archiving, sharing, or the like. A preview document may be generated from the at least one intermediate document arranged such that the preview document may displayable on the computer. A user may be further enabled to provide edit information that may be used for generating an updated preview document.

Abstract: Embodiments are directed to a mobile print controller. A document may be determined to in a print queue. The print queue may be operative on a print server computer, a cloud computing service, a mobile computer, or the like. The mobile controller may send a pause command to a printer device associated with the print queue. The document may be acquired from the print queue for processing on the mobile computer. A preview document may be generated on the mobile computer and displayed and edited on the mobile computer. The edited document may be synced with one or more data stores, including the computer that may have originated the print job. And, the updated document may be sent to the printer for printing. A status report may be communicated to the user that corresponds to a result of printing the updated document.

Abstract: Embodiments are directed to a mobile print controller. A document may be determined to in a print queue. The print queue may be operative on a print server computer, a cloud computing service, a mobile computer, or the like. The mobile controller may send a pause command to a printer device associated with the print queue. The document may be acquired from the print queue for processing on the mobile computer. A preview document may be generated on the mobile computer and displayed and edited on the mobile computer. The edited document may be synced with one or more data stores, including the computer that may have originated the print job. And, the updated document may be sent to the printer for printing. A status report may be communicated to the user that corresponds to a result of printing the updated document.

Abstract: Embodiments are directed to processing documents on a computer. A document may received on a computer over a platform specific interface. The document may be provided to a platform independent engine where parser may be configured to parse the document based on a page description language (PDL) that comprises the document. A plurality of feature objects may be generated based on feature information. Intermediate documents may be generated based on the plurality of feature objects. The intermediate documents may be stored on a data store for various reasons including, backups, archiving, sharing, or the like. A preview document may be generated from the at least one intermediate document arranged such that the preview document may displayable on the computer. A user may be further enabled to provide edit information that may be used for generating an updated preview document.

Abstract: A color printing method includes converting source color data to intermediate color data represented in a device independent color space using a first multidimensional gamut mapping of the first device dependent color space to the device independent color space. The device independent color space has a neutral color component. The method further includes converting the intermediate color data to destination color data represented in a second device dependent color space using a second multidimensional gamut mapping of the device independent color space to the second device dependent color space. The second device dependent color space has three primary color components and a virtual black color component defined by substantially equal tonal values of the three primary color components. The second multidimensional gamut mapping includes a mapping from the neutral color component of the device independent color space to the virtual black color component of the second device dependent color space.

Abstract: An apparatus and a method are described for processing and reproducing a document including both text and half-tone images without generating undesirable image artifacts. A band-pass FIR filter with a predetermined frequency response is used to transform pixels in an input image to sharpen text edge and smooth pre-half-toned areas, and perform error diffusion and cluster dot screening methods on the transformed pixels. The FIR filter has unity gain at DC to preserve image brightness. An integrated error diffused cluster-dot screening approach is used to suppress moiré and other image artifacts, while providing a robust, crisp output.

Abstract: An apparatus, method, system and medium are described that support functionality to receive document(s) to be printed at a printing device, and enable editing the document(s) prior to printing. Modifications to the document(s) may be generated based on the user edits, and a print preview of the modified documents may be displayed and may enable further edits. In some embodiments, the print preview may be provided to the user on a display that is part of the printing device. In some embodiments, the print preview may be provided to the user through a UI presented on a client device. Display of the modified document(s) may be a rasterized image of the modified document(s), generated based on capabilities of a selected printing device. In some embodiments, modifications may be made to an intermediate version of the document(s), and that intermediate version may be cached.

Abstract: An apparatus, method, system and medium are described that support functionality to receive document(s) to be printed at a printing device, and enable editing the document(s) prior to printing. Modifications to the document(s) may be generated based on the user edits, and a print preview of the modified documents may be displayed and may enable further edits. In some embodiments, the print preview may be provided to the user on a display that is part of the printing device. In some embodiments, the print preview may be provided to the user through a UI presented on a client device. Display of the modified document(s) may be a rasterized image of the modified document(s), generated based on capabilities of a selected printing device. In some embodiments, modifications may be made to an intermediate version of the document(s), and that intermediate version may be cached.

Abstract: A color printing method includes converting source color data to intermediate color data represented in a device independent color space using a first multidimensional gamut mapping of the first device dependent color space to the device independent color space. The device independent color space has a neutral color component. The method further includes converting the intermediate color data to destination color data represented in a second device dependent color space using a second multidimensional gamut mapping of the device independent color space to the second device dependent color space. The second device dependent color space has three primary color components and a virtual black color component defined by substantially equal tonal values of the three primary color components. The second multidimensional gamut mapping includes a mapping from the neutral color component of the device independent color space to the virtual black color component of the second device dependent color space.

Abstract: An apparatus, method, system and medium are described that support functionality to receive document(s) to be printed at a printing device, and enable editing the document(s) prior to printing. Modifications to the document(s) may be generated based on the user edits, and a print preview of the modified documents may be displayed and may enable further edits. In some embodiments, the print preview may be provided to the user on a display that is part of the printing device. In some embodiments, the print preview may be provided to the user through a UI presented on a client device. Display of the modified document(s) may be a rasterized image of the modified document(s), generated based on capabilities of a selected printing device. In some embodiments, modifications may be made to an intermediate version of the document(s), and that intermediate version may be cached.

Abstract: An apparatus, method, system and medium are described that support functionality to receive document(s) to be printed at a printing device, and enable editing the document(s) prior to printing. Modifications to the document(s) may be generated based on the user edits, and a print preview of the modified documents may be displayed and may enable further edits. In some embodiments, the print preview may be provided to the user on a display that is part of the printing device. In some embodiments, the print preview may be provided to the user through a UI presented on a client device. Display of the modified document(s) may be a rasterized image of the modified document(s), generated based on capabilities of a selected printing device. In some embodiments, modifications may be made to an intermediate version of the document(s), and that intermediate version may be cached.

Abstract: An apparatus and a method are described for processing and reproducing a document including both text and half-tone images without generating undesirable image artifacts. A band-pass FIR filter with a predetermined frequency response is used to transform pixels in an input image to sharpen text edge and smooth pre-half-toned areas, and perform error diffusion and cluster dot screening methods on the transformed pixels. The FIR filter has unity gain at DC to preserve image brightness. An integrated error diffused cluster-dot screening approach is used to suppress moiré and other image artifacts, while providing a robust, crisp output.

Abstract: A stochastic screening mask is provided for rendering halftone images. A filter controlled force masking method is used to vary the mask patterns from regularity to randomness. Dot size (amplitude), dot number (frequency), and dot shape are modulated integrally at each gray level during the generation of the mask. The single pixel limit for blue noise masking is broken down by this approach. The halftone patterns generated with this method can have visually pleasing blue noise attribute. This new screening method would provide flexible solutions for different types of printing processes.

Abstract: A system and method of processing an image including black text data and non-black text data are described. The system and method use a parametric analysis for discrimination of halftones, texts, and photographs. The parametric analysis provides results that track measurable image metrics without the inherent risk of errant decision making during classification. The creation of symbolic representations is intrinsically a classification process that is subject to error. It represents a fundamental departure from fuzzy logic image segmentation. In the parametric analysis, no pattern matching, no auto-correlation, no screening parameter calculation, and no conventional edge detector (such as a high pass filter) are used.

Abstract: The illustrated embodiment processes scanned image data with a resolution of 600 dpi or higher. Image detection algorithms are used to detect the probable presence of halftone image data, large text image data, small text image data and photographic image data. The image detection algorithms are designed specifically for the amount of data contained in an image with a resolution of 600 dpi or greater. Once an image has been analyzed, the illustrated embodiment provides the correspondingly appropriate image process to the scanned image.

Abstract: A stochastic screening mask is provided for rendering halftone images. A filter controlled force masking method is used to vary the mask patterns from regularity to randomness. Dot size (amplitude), dot number (frequency), and dot shape are modulated integrally at each gray level during the generation of the mask. The single pixel limit for blue noise masking is broken down by this approach. The halftone patterns generated with this method can have visually pleasing blue noise attribute. This new screening method would provide flexible solutions for different types of printing processes.

Abstract: A stochastic screening mask is provided for rendering halftone images. A filter controlled force masking method is used to vary the mask patterns from regularity to randomness. Dot size (amplitude), dot number (frequency), and dot shape are modulated integrally at each gray level during the generation of the mask. The single pixel limit for blue noise making is broken down by this approach. The halftone patterns generated with this method can have visually pleasing blue noise attribute. This new screening method would provide flexible solutions for different types of printing processes.

Abstract: The present invention provides a method, which can be operated continuously and has a wide scope of application, for destructing part of fines in slurry in a crystallizer to obtain large crystals having high purity and large crystal size, characterized in that first and second filters are installed in the crystallizer, a part of slurry containing only fines of size smaller than the fines cut size is drawn from the crystallizer, through the first filter in the crystallizer to a fines destruction loop for destructing the fines and then to the crystallizer through the second filter in the crystallizer by using a circulating pump. The two filters are switched over at regular interval and washed with each other's effluent to ensure the cintinuous operation of the above process.The present invention also provides a method for preparing crystalline bisphenol A/phenol adduct and bisphenol A with high purity and large crystal size.