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Assignee: Ricoh Co., Ltd.


Location: Tokyo, JP
No. of patents: 849

1                      
NumberTitleIssue Date
8185733Method and apparatus for automatically publishing content based identifiers
A method and apparatus for automatically publishing content based identifiers are described. In one embodiment, the method comprises accessing an electronic communication to obtain a content based identifier (CBI) contained in the electronic communication. In one em...
05/22/2012
8184918Header-based processing of images compressed using multi-scale transforms
A method and apparatus is described for segmenting an image, for adaptively scaling an image, and for automatically scaling and cropping an image based on codestream headers data. In one embodiment, a file that can provide a header that contains multi-scale entropy ...
05/22/2012
8169516Electo-optical color imaging systems having strong lateral chromatic aberration compensated by digital image processing
A spatially-varying sharpening filter and a color registration module compensate for significant lateral color in poorly corrected optics. In one aspect, a color imaging system includes image-forming optics, a sensor array and a processing module. The processing mod...
05/01/2012
8161409Re-writable cover sheets for collection management
A method and apparatus is disclosed herein for using rewritable sheets. In one embodiment, the method comprises representing a first collection of media objects using a first sheet having a first identifier and a first graphical content representing the media object...
04/17/2012
8161153Method and system for remote diagnostic, control and information collection based on various communication modes for sending messages to users
A method, system, and program product for communicating with machines and end users connected to a network. Information sent to or from the machines is transmitted using electronic mail or a via a direct connection. The electronic mail may be transmitted over the In...
04/17/2012
8160461Toner container and image forming apparatus
A toner container detachably attached to a toner-container holder of a main body of an image forming apparatus includes a container body that includes an opening, and discharges toner contained in the container body, from the opening; and a held portion that is held...
04/17/2012
8155543Image forming apparatus capable of reducing a lengthy duration of an adjustment control
An image forming apparatus includes an image carrying member, an image forming mechanism, an optical sensor, and a controller. The image forming mechanism performs an image forming operation for forming a reference toner image on the image carrying member under a sp...
04/10/2012
8149319End-to-end design of electro-optic imaging systems for color-correlated objects
An electro-optic color imaging system includes an optical subsystem, a detector subsystem and a digital image processing subsystem. The system is used to image a color-correlated object. In the optical subsystem, the image surfaces for different color channels of th...
04/03/2012
8145999System and method for audio creation and editing in a multimedia messaging environment
A system for editing audio objects in which a variety of audio objects are represented as images and laid out in a 2 dimensional visual environment. The system includes a display unit, a processing unit, a user interface unit, and a device for playing/receiving audi...
03/27/2012
8144921Information retrieval using invisible junctions and geometric constraints
The present invention uses invisible junctions which are a set of local features unique to every page of the electronic document to match the captured image to a part of an electronic document. The present invention includes: an image capture device, a feature extra...
03/27/2012
8143565Adjustable multimode lightfield imaging system having an actuator for changing position of a non-homogeneous filter module relative to an image-forming optical module
An adjustable multimode lightfield imaging system. A non-homogeneous filter module is positioned at the aperture plane of the lightfield imaging system and provides the multimode capability. The filter module can be moved relative to the imaging system, thus allowin...
03/27/2012
8131198Image forming apparatus, fixing unit, and image forming method with improved heating mechanism
An image forming apparatus includes an image forming mechanism to form a toner image on a recording medium according to image data and a fixing mechanism to fix the toner image on the recording medium. The fixing mechanism includes a fixing member and an external he...
03/06/2012
8130944Digital encrypted time capsule
A method and apparatus for enabling and/or providing delayed decryption is disclosed. In one embodiment, the method comprises receiving encrypted information and additional information and decrypting the encrypted information, using the additional information, no so...
03/06/2012
8130192Method for reducing image artifacts on electronic paper displays
A method and apparatus for reducing image artifacts on displays (e.g., electronic paper, etc.) are described. In one embodiment, the method comprises generating pixels of an image for a bistable display using halftoning based on data of one or more previously displa...
03/06/2012
8126375Toner container and image forming apparatus
A toner container includes a longitudinal container body and a held portion. The longitudinal container body has a first end and a second end distal to the first end in a length direction of the container body. The container body includes a gear configured to engage...
02/28/2012
8121439End-to-end design of electro-optic imaging systems using the nonequidistant discrete Fourier transform
A unified design strategy takes into account different subsystems within an overall electro-optic imaging system. In one implementation, the design methodology predicts end-to-end imaging performance using a spatial model for the source and models for the optical su...
02/21/2012
8116587Method and apparatus for high-speed and low-complexity piecewise geometric transformation of signals
A method and system for high-speed and low-complexity geometric transformation of signals are described. In one embodiment, the system comprises an input patch consisting of a window of pixels from an input image. The system may further comprise a transformation sel...
02/14/2012
8112709Automatic adaptive document printing help system
An automatic printing assistant application for documents in electronic form is provided by virtue of the present invention. In certain embodiments, an elongated thumbnail image of all or part of an electronically stored document is displayed. A section of the docum...
02/07/2012
8111319Imaging system using enhanced spherical aberration and specifically sized FIR filters
A class of imaging systems in which the imaging optics, the sensor array and the image processing are related by three parameters: W040 the amount of third order spherical aberration, U the undersampling factor defined as the ratio of the Nyquist frequenc...
02/07/2012
8095537Log integrity verification
A method and an apparatus for log integrity verification are described. In one embodiment, the method comprises receiving a first log and determining whether checkpoint hashes after each entry are consistent. ...
01/10/2012
8091026Methods and apparatuses for processing digital objects
Methods and apparatuses for processing digital objects are described herein. In one embodiment, multiple digital objects are displayed in a first mode, where each of the digital objects is displayed without overlapping. In response to a first input, at least two dig...
01/03/2012
8089405Applications for geographically coded access points
Applications and uses for geographic coded of network access points includes a method for generating a geographic code and an associated graphical user-interface; a method for rejecting or filtering out geographic codes of inaccurately labeled access points; a metho...
01/03/2012
8086050Multi-resolution segmentation and fill
A multi-resolution segmentation and fill technique is disclosed. In one embodiment, the method comprises generating a plurality of layers using image data from multiple resolutions, generating a mask describing compositing of the plurality of layers to obtain the im...
12/27/2011
8086038Invisible junction features for patch recognition
The present invention uses invisible junctions which are a set of local features unique to every page of the electronic document to match the captured image to a part of an electronic document. The present invention includes: an image capture device, a feature extra...
12/27/2011
8082328Method and apparatus for publishing documents over a network
An apparatus and method for publishing an electronic document on a network is described. In one embodiment, an apparatus for publishing an electronic document on a wide area network comprising at least one server and a client, a client having memory for storing an e...
12/20/2011
8081896Image forming method and apparatus for convenient replacement of developer container
An image forming apparatus includes an image forming mechanism for forming an image, at least one developer container replaceably provided in the image forming apparatus for containing developer, a housing for housing the image forming mechanism and the at least one...
12/20/2011
8081827Compressed data image object feature extraction, ordering, and delivery
A method and apparatus is disclosed herein for processing document images. In one embodiment, the method comprises extracting one or more features corresponding to one or more objects from a JPM compressed file, including extracting at least one of the one or more f...
12/20/2011
8077401Catadioptric imaging system
A catadioptric imaging system combines a rectifying mirror, a lens system and subsequent image processing. This approach can produce a small form factor desktop document imaging system capable of producing high-quality, high-resolution images of paper documents....
12/13/2011
8077341Printer with audio or video receiver, recorder, and real-time content-based processing logic
A system and method for monitoring events from a media stream and triggering an action in response to detected events. The action is preferably based on information relating to the event received by the system. The system can generate a paper document that reflects ...
12/13/2011
8073263Multi-classifier selection and monitoring for MMR-based image recognition
A MMR system that uses multiple classifiers for predicting, monitoring, and adjusting index tables for image recognition comprises a plurality of mobile devices, a pre-processing server or MMR gateway, and an MMR matching unit, and may include an MMR publisher. The ...
12/06/2011
8072284Split delay-line oscillator for secure data transmission
A split delay-line oscillator for secure data transmission is disclosed. In one embodiment, an apparatus for a split delay-line oscillator for secure data transmission includes a first modulator/demodulator block in a first device, the first modulator/demodulator bl...
12/06/2011
8063887Thin multiple layer input/output device
A multilayer input/output device with a low power and a high resolution display suitable for use in paper-like computing includes a first display layer, a second display layer, an input layer and control logic. The first display layer is a low power display. The sec...
11/22/2011
8058862Reference voltage generation circuit
A basic structure of a reference voltage generation circuit is formed by a buffer amplifier (21) and a resistive element (22) without using a band gap regulator. Thus, an influence of a noise of the band gap regulator as in the conventional art is elim...
11/15/2011
8041269Development apparatus having two developer bearers and two development chambers
A development apparatus includes a first developer chamber configured to store and supply the developer, a first developer bearer configured to convey the developer supplied from the first developer chamber to a first development domain, defined by a portion of the ...
10/18/2011
8037310Document authentication combining digital signature verification and visual comparison
A document authentication system and method combine digital and non-electronic (or visual) authentication methodologies in an integrated, unified manner. As well as providing indicia of digital authentication, the invention generates a physical artifact that can be ...
10/11/2011
8036475Compression for segmented images and other types of sideband information
A method and apparatus for processing JPM files having layout objects and sideband information is described. In one embodiment, the method comprises receiving a JPM file having layout objects. The layout objects include at least one layout object that represents sid...
10/11/2011
8036433Grid-based data input and authentication
A system and method for authenticating user-input signatures or other data. A user draws a pattern on an input pad, using for example a pen, stylus, or finger. A grid, including a set of edges, is displayed on the input pad to help the user in drawing in the correct...
10/11/2011
8015494Melded user interfaces
In one embodiment, a method for combining the user interfaces of several applications is disclosed. Data generated by a first application is extracted from a display buffer. The data is associated with a user interface from the first application. From the extracted ...
09/06/2011
8015194Refining based on log content
A method and an apparatus for performing a refining operation based on content of a log are described. In one embodiment, the method comprises analyzing one or more metadata entries in a set corresponding to a digital object that is stored separately from the set of...
09/06/2011
8012660Image forming method and image forming apparatus
An image forming method is provided including: charging an image bearing member; irradiating the image bearing member with a light beam to form an electrostatic latent image thereon; developing the electrostatic latent image with a toner to form a toner image on the...
09/06/2011
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