Canon Kabushiki Kaisha

Kazuo Kashiwagi

Takao Toda

Masaaki Yanagi

Yoshihiro Saito

Makoto Endo

Masanari Shirai

Kazuhide Sugiyama

Satoshi Ono

Kamon Hasuo

Hirokazu Higuchi

Kazuo Ohtani

Kazuo Otani

Masahiko Ito

Tatsuya Yamamoto

Motofumi Konishi

Hitoshi Yanagawa

Yoshio Ando

Yasuhiro Yamamoto

Toshio Arai

Yoshihiko Yoshihara

Toshiaki Mizushima

After image data received from a facsimile on the transmission side through a public telephone circuit was stored into a disk, the image data is read out from the disk, index information is added to the image data, and the resultant data is preserved into an image file apparatus through an external interface, thereby enabling the image data received by a facsimile apparatus to be searched in the image file apparatus.

Apparatus and method for executing a plurality of processes in parallel, and storage medium storing a program for implementing the method

Method and apparatus for storing received data in association with

An image recording apparatus provided with a reader for reading information for identifying an original document; a recording unit for recording the image of the original document on a recording medium; a selector for selecting a first mode or a second mode; and a controller for causing the recording unit to record the image only when the identifying information is read by the reading means if the first mode is selected, or causing the recording unit to record the image regardless of the reading of the identifying information if the second mode is selected.

Image recording apparatus

An image processing apparatus includes a reading section for reading images on one side and the other side of an original, a mode selecting section for selecting one of one side mode and two side mode, the one side mode being adapted to process an image on only one side of an original, and the two side mode being adapted to process images on both sides of an original, a discriminating section for discriminating whether the original from which the images are read by the reading section is a one side original having an image on only one side thereof or a both side original having images on both sides thereof, and an alarm section for generating an alarm when the one side mode is selected by the mode selecting section and the discriminating section discriminates that the original from which the images are read by the reading section is a both side original.

Image processing apparatus capable of processing images on both side

An information retrieval apparatus for retrieving desired information in an information recording medium by driving the information recording medium and detecting a mark put on the driven information recording medium has a drive controller for controlling the drive of the information recording medium in accordance with measurement of an interval of marks of the information recording medium measured at the start of retrieval of the information recording medium.

Information retrieval apparatus

An image recording apparatus for recording the images of originals on a recording medium is provided with a reading device for reading information for discriminating between originals, a recording device for recording the images of the originals on the recording medium, a conveying device for conveying the orginals to the reading means and the recording means, a detector for detecting the state of conveyance of the originals conveyed by the conveying means, a data preparing device for preparing index data on the basis of the information read by the reading means, and a controller for controlling the preparation of the data by the data preparing means in conformity with the state of conveyance of the originals detected .by the detector.

An image recording apparatus provided with a reader for reading information for identifying the original image; a recorder for recording the original on a recording medium; a transporting unit for transporting the original to the reader and the recorder unit; a detector for detecting the presence or absence of the identifying information on the original; and a controller for selecting whether or not to record the original according to the outputs of the detector and the reader.

Image recording apparatus for selective recording of originals

An image recording apparatus includes a lamp, a CCD array, an image density adjustor, first and second shutter drivers, first and second shutters, an image area discriminating circuit, and a microcomputer. The lamp illuminates an image and retrieval information of a microfilm having the image and the retrieval information at the side of the image. The CCD array receives light from the image and the retrieval information on the microfilm illuminated by the lamp. The image density adjustor, first and second shutter drivers, and first and second shutters cooperate with each other to record the image of the microfilm on a recording medium. The image area discriminating circuit discriminates the image from the retrieval information according to an output from the CCD array. The microcomputer controls the image density adjustor and the first and second shutter drivers so as not to record the retrieval information on the recording medium according to an output from the image area discriminating circuit.

Image recording apparatus for recording only the image area of a film

A mark detecting apparatus for detecting marks provided on a recording medium has a photoelectric converting device for receiving a light from the base and marks on the recording medium, a first setting device for setting a first predetermined reference value, a second setting device for setting a second reference value corresponding to the output of the photoelectric converting device, and a detecting device for selecting one of the first reference value and the second reference value and comparing the selected reference value with the output of the photoelectric converting device to thereby detect the presence or absence of the marks.

Recording medium mark detector

There is disclosed an image forming apparatus capable of image formation under optimum image forming conditions in response to the detected image density. The image forming apparatus has image forming unit for forming an image corresponding to an original on a recording material, detector for detecting the image density of the original, and controller for controlling the operable condition of said image forming unit to regulate the copy density in response to the image density detected by said detector said controller includes memory storing control data for the operable condition of said image forming unit in response to the detected image density, and is adapted to make an access to said memory in response to the detection signal of said detector and to control said operable condition according to control data obtained by said access.

Image forming apparatus

Disclosed is a reader-printer capable of being changed over between a reader mode in which the light image of an original is projected onto a screen and a printer mode in which the light image of the original is projected onto a photosensitive medium. The reader-printer has first optical means for forming a first optical path for projecting the light image onto the screen and second optical means for forming a second optical path for projecting the light image onto the photosensitive medium. The second optical means includes a first mirror and a second mirror. The first mirror is movable so that it is positioned outside the first optical path during the reader mode and is positioned in the first optical path during the printer mode. The second mirror is movable with the first mirror. When the first mirror is being moved between a first position and a second position, the light from the original is detected by light detecting means, and when the first mirror is positioned in the first optical path, the light image is reflected by the first mirror and then reflected and guided to the photosensitive medium by the second mirror.

Reader-printer

The present invention provides an apparatus for projecting the image of an original on the projection surface of a screen or photosensitive member, the apparatus having an illumination correction device for changing a distribution of illuminance on the projected surface, the illumination correction device being adapted to process a difference between the amount of a light passing near the center of the projection optical path and the amount of a light passing near the marginal portion of the same optical path to obtain the results on which the illumination correcting device will be controlled to correct any irregularity of the illuminance distribution on the projected surface.

Projection apparatus for automatic correction of non-uniform illuminance

A web transport device for transporting a web wound on a rotary member to another rotary member, provided with a first calculating unit for calculating the ratio of rotating speeds of the unwinding and winding rotary members at a regular interval, a second calculating unit for calculating the ratio of rotating speeds of the unwinding and winding rotary members at the end of web transport on the basis of the value calculated by the first calculating unit at the start of web transport, and a unit for controlling the rotation of the rotary members through the comparison of the values calculated by the first and second calculating units, respectively.

Web transport device

An apparatus for projecting on a projection surface any desired image in a recording medium having images recorded on at least two lines on the medium. Line changing device is provided to change the line of images to be projected on the projection surface. In the projection light path there is provided image rotator for changing the orientation of the image projected on the projection surface. In response to the operation of the line changing device, the image rotator is driven so as to project the image in the proper orientation for observation on the projection surface.

Growing community of inventors

Tokyo, Japan

Kazuo Kashiwagi