Canon Kabushiki Kaisha

Katsuya Yamazaki

Chikara Sato

Takayuki Fujii

Yasuo Fukazu

Yuzoh Matsumoto

Shinichi Nakamura

Kenji Kobayashi

Masakazu Hiroi

Tomohito Nakagawa

Masaaki Inoo

Akimaro Yoshida

Masanori Miyata

Hideyuki Makitani

Takuya Terae

An image sensor comprises: a pixel unit including a plurality of pixels, each of the pixels including a photoelectric converter that photoelectrically converts received light into a charge, a charge accumulation portion that holds the charge, and a transfer circuit provided between the photoelectric converter and the charge accumulation portion; AD converters that AD-convert electrical signals read out from the pixel unit, a first number of the AD converters being provided for each of columns of the pixel unit; and one or more processors and/or circuitry which functions as a controller that controls readout of the pixel unit. The first number is a plural number, and the controller controls the transfer circuits to transfer the charges from the photoelectric converters to the charge accumulation portions every number of rows that is lower than the first number.

Image sensor and method of controlling the same, and image capturing apparatus

There is provided a data processing apparatus comprising an input means for inputting image data, a memory means for storing the data input by the input means, an output means for outputting the data stored in the memory means, by a predetermined operation, a judgment means for judging whether or not there is the data not yet output by the output means for a predetermined time in the memory means and a transfer means for transferring, in a case where the judgment means judged that there is the data not yet output for the predetermined time, the data stored in the memory means to an another device. Therefore, in a case where a user does not instruct to output the data for a long time and thus it must be kept storing the image data in the memory means, it can be prevented a conventional problem that another processes can not be performed for lack of a remaining free capacity in the memory means.

Data processing apparatus and method

An original conveying apparatus including an original stacker, a conveying roller for conveying originals on the original stacker one by one, a first rotary member for further conveying the original to a reading position, a second rotary member for conveying the original conveyed by the first rotary member to read the original, a reading device, a sensor disposed in the vicinity of the first rotary member for detecting passage of the original, and a control device for controlling an original conveying amount of the second rotary member by the action of the sensor to convey a leading end of the original to a predetermined position on the reading position, and wherein the control device controls the original conveying amount in consideration of a length of the original based on a timing when a trailing end of the original passes by the sensor when the original has a fixed size and controls the original conveying amount based on a timing when a leading end of the original passes by the sensor when the original has a non-fixed size.

Sheet conveying apparatus and image forming apparatus therewith

An image formation apparatus provides a method of improving productivity in case of forming images onto both of the faces of a sheet. According to the method, an original is read by the apparatus in the order of its back face and front face sequentially. The read images are formed onto the sheet in the order of front-faced image and back-faced image of the original. Images of three originals D,, D,and D,which are read by an image sensor in the order of second, first, fourth, third, sixth and fifth pages are subjected to editing processing by an image processing unit. If the image data of the first page is stored into a hard disk, the image data of the first page (front-faced image of original D,) is formed onto the first face of a fed sheet P,Subsequently, if the image data of the third page is stored, the image data of the third page (front-faced image of original D,) is formed onto the first face of a fed sheet P,. Similarly, after the front-faced image of the original D,is formed, the back-faced image of the original D,is formed onto the second face of the sheet P

Image formation method and apparatus for double-faced originals with different orders of image reading and image forming

The present invention provides an image processing apparatus which comprises connection means for connecting to a computer, input means for inputting image data from the computer via the connection means, and output means for visibly outputting the image data input by the input means, comprises generation means for generating a code, notification means for notifying the code generated by the generation means, to the computer from which the image data is input by the input means, and storage means for storing the image data input by the input means, wherein the output means visibly outputs the image data input by the input means, in a case where a code corresponding to the code generated by the generation means is input, whereby a secret of the output image can effectively be protected.

Image processing apparatus and method thereof

An original carrying apparatus includes a separation unit for separating one original from a plurality of stacked originals, a carrying roller for carrying the original separated by the separation unit, a carrying belt for receiving the original carried by the carrying roller, and carrying the originals in a state where the plurality of originals are being held, wherein the carrying belt carries the original such that the original passes through an exposure position at a first speed, and a control unit for performing control to set an interval between the two originals carried by the carrying belt to be a first distance. The control unit performs the control to set the interval between the two originals to be the first distance after setting it to be a second distance shorter than the first distance, by using the carrying roller. Further, the control unit accelerates the carrying belt up to a second speed, decelerates the second speed to the first speed to set the second distance to be the first distance.

Original carrying apparatus for scanning original being moved

There is provided a data processing apparatus with an input device for inputting data, a memory for storing the data, and an output device for outputting the data stored in the memory by a predetermined operation. The data processing apparatus determines whether or not there is data in the memory not yet output by the output device after a predetermined time and, if so, transfers the data to another device. The data processing apparatus solves a conventional problem of data being stored in memory too long and preventing other processes from being performed because of a lack of remaining free capacity in memory.

A stack sheet supplying apparatus has a sheet stacking unit, a supply roller for supplying a sheet by contacting with an uppermost sheet in a sheet stack resting on the sheet stacking unit, a lift/lower device for controlling lifting and lower of the supply roller, a drive for driving the lift/lower device, a detector for detecting the fact that the supply roller reaches a supply position after the supply roller is lowered, and a control for turning OFF the drive on the basis of a detected result of the detector.

Image forming apparatus

The present invention provides a sheet original conveying apparatus having an original reverse apparatus and in which originals stacked on a tray are separated one by one by a separation means and a separated original is supplied to a reading portion for reading an image. It comprises a first convey path provided at a downstream side of the separation means in a supplying direction to direct the supplied original to the reading portion, a second convey path branched from the first convey path to direct the supplied original to the reading portion after a travelling direction of the original is reversed in a travel reverse portion, and a switching means disposed at a branched area between the first and second convey paths to switch the first and second convey paths from one to the other.

Sheet original conveying apparatus having original travel reverse

The present invention provides an original conveying apparatus in which originals stacked on an original tray are separated one by one by a separation unit to be conveyed to a reading portion for reading an image, and then the read original is discharged. An original travel direction reverse path is disposed between the separation unit and the reading portion, a face turn-over path is provided for turning over the original discharged from the reading portion and for directing it to the reading portion again, and there is a control unit for continuously effecting, for the respective original, a first image reading mode in which the travel direction of the original is reversed in the original travel direction reverse path without turning over the front and rear faces of the original before the original is conveyed to the reading portion and then the image is read, and a second image reading mode in which the original is turned over in the original travel direction reverse path after the first image of the original was read at the reading portion.

Growing community of inventors

Kawasaki, Japan

Katsuya Yamazaki