Canon Kabushiki Kaisha

Susumu Sugiura

Makoto Takaoka

Shigetada Kobayashi

Osamu Yamada

Yoshinobu Mita

Mitsumasa Sugiyama

Toyokazu Uda

Junichi Shishizuka

Yoshikazu Yokomizo

Kazuhiro Saito

Tadashi Sato

Yasuo Fukuda

Kentaro Matsumoto

Masanari Toda

Yukari Toda

Tsutomu Negishi

Yasuhiko Hashimoto

Yukari Shimomura

Takashi Sugino

Takeshi Makita

Motoharu Fujii

Norio Nakajima

Noboru Koumura

Hiroyuki Ichikawa

Tetsuzo Mori

Hiroyuki Nakanishi

Yoji Kaneko

Katsutoshi Hisada

Syusei Tsukada

Nobuhiro Takekawa

Takao Muramatsu

Takeshi Kobayashi

Yukio Masuda

Katuhiko Toda

Masami Fukumoto

Yasuo Kohzato

Hiroshi Mori

Mitsuru Maeda

Toshiyuki Komatsu

Tadaji Fukuda

Yoshio Takasu

Kazuhiro Hirayama

Osamu Hoshino

Kazuo Kawakubo

Osamu Sawamura

Naoya Hirose

Yoshizumi Yasuda

Yasuo Kouzato

Masami Uda

Isao Takahashi

Eisuke Yamamoto

Katsuhiko Toda

There is disclosed a control apparatus for a scanner/printer including a unit for generating print data described in a page description language, a unit for generating a command regarding a scanner for scanning an original image, and a unit for producing the print data and the command regarding the scanner to a common device through a network.

Control apparatus for a scanner/printer

A printer server connectable to a plurality of printers includes a receiver for receiving print data from an external apparatus, a first discrimination unit for discriminating a representation by which the received print data is described, and a selection unit for selecting, from the plurality of printers, a printer to print an image corresponding to the received print data. A second discrimination unit of the printer server discriminates whether the selected printer is capable of processing print data in the discriminated representation. When the selected printer is not capable of processing print data in the discriminated representation, a controller of the printer sever converts the received print data into print data in another representation and transmits the print data in the other representation. The controller transmits print data in the discriminated representation when the selected printer is capable of processing print data in the discriminated representation. The apparatus also includes a status receiver for receiving, from the selected printer, status information indicating that transmitting print data has been printed normally. A status sending unit of the apparatus sends the status information to the external apparatus.

Printing apparatus and printing method for converting print data to a representation supported by a selected printer

An input/output apparatus is connected to a plurality of host computers via a network and executes both a scanning function and a printing function. The apparatus includes a portion that generates image data from data input from a first one of the host computers and prints the generated image data by executing the printing function, and further includes an output device that scans image data by executing the scanning function and outputs the scanned image data to a second one of the host computers in response to a request command. As a result, the input/output apparatus may operate in coordination with a plurality of personal computers by using the network to transfer image data therebetween.

Input/output apparatus connected to a plurality of host computers via a network

An object of the invention is to convert multivalue image data to data in a format which can be easily handled. For such an object, the multivalue image data of each pixel is inputted and an image expressed by the multivalue image data is converted to data which is hierarchically structured to a plurality of layers.

Image processing method and apparatus which iteratively divides image data into sub-regions

An image processing method is disclosed in which a pattern for detecting a line image is compared with the value of image data within a predetermined window of the original image. N-value data is transformed to M-value data based on the result of this comparison. An image can thus be satisfactorily M-value coded without being adversely affected by noise.

Image processing with conversion from N-value to M-value data

A system enables the reading characteristic of an image reader in a network to be recognized by a host computer. The SP server device transfers the reading characteristics of a plurality of scanner printers to a designated client host computer and through a network.

Server device and image processing device

In an image processing apparatus and method, a color copying interface supports unique compression mode and standard compression mode. If a color work station accepts only data compressed in the standard mode, unique-mode compressed data is converted to standard-mode compressed data, and then the standard-mode compressed data is transmitted together with a compression parameter to the partner computer. The amount of input data is counted by a counter, and the amount of compressed data stored in a compression memory is counted by another counter. Compression parameters used by a compression circuit are selected based on the count values of the two counters.

Image processing apparatus

Image processing apparatus and method perform a predetermined compression processing for an input original. A compression processing method or a receiver of compressed data is changed in accordance with a color/black-and-white status discrimination for the input original, or is set manually.

Image processing apparatus and method

There is disclosed an information input/output control device and a method therefor which displays a list of identification informations indicating an information terminal device with which a functional operation can be executed in response to an acquired environmental information of the information terminal device and in accordance with an input of an indication information which instruct to execute the functional operation.

Information input/output control apparatus and method for indicating

A variety of parameters for a scanner printer are set from a host computer on a network by arranging a scanner printer server system composed of the host computer and the scanner printer server connected to the network, and a scanner and a printer connected to the scanner printer. The scanner printer server system has a bidirectional communication channel formed between the scanner, the printer and the scanner printer server, wherein characters, graphics and a method of transferring image are instructed from the host computer and the data is transferred by the instructed transference method.

Scanner printer server

There is disclosed an electronic filing apparatus which allows to handle files, prepared by different application programs, as the files common to these programs in easy and inexpensive manner. The drawing information, transmitted from each application program activatable by the computer system, is converted into a predetermined print data format, defined by the operating system, by the printer driver. Then the QuickDraw-common document conversion device converts the print data, converted into the predetermined print data format, into the common document file format which can be directly referred to by the plural application programs, and the common document in thus converted common document file format is stored in the data base.

Electronic filing system using different application program for

There is disclosed an information device and an information processing method which determine whether a control code constituting a document information is processable or not, transfer the document information to the other information processing device connected with the information processing device when the control code was determined to be unprocessable, and has the other information processing device executed as proxy for the original information processing device to produce an output information from the document information.

Information processing device and information processing method

In coding color still image data into multi-valued image data, the image quality deteriorates when a large compression ratio is used. In the present invention, a transmitted image is classified using a parameter transmitted from the transmitting station, and the deterioration of image quality caused by compression at the transmitting station is estimated from the image classification. In an image reproduction, a quantization table is used in the case of an adaptive discrete cosine transform (ADCT) method to select an optimum neural network suitable for image reproduction and improve the image quality.

Image processing method and apparatus

Use is made of a neural network in order to restore a binary image to an original multi-level image, by way of example. Using the neural network makes it possible to raise the accuracy of restoration and the speed of processing.

Image processing using neural network

Scanner printer server for selectively controlling a scanner and a

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Atsugi, Japan

Susumu Sugiura