Image recording method and device with memory printing of plural recording media on a recording drum

An image recording apparatus for recording an image by superimposing images of different colors, comprising:

• reading means for reading an image;
• processing means for processing an image signal, which has entered from said reading means, for obtaining an image signal of a prescribed color;
• memory means for storing the image signal, which has entered from said processing means, in synchronization with a synchronizing signal, and outputting this stored image signal in synchronization with the synchronizing signal;
• and
• recording means for retaining at least one recording medium, recording the image signal, which has entered from said processing means, on a first recording medium, and recording the image signal, which has entered from said memory means, on a recording medium from a second recording medium onward.

An image recording method in an apparatus having recording means for recording an image by superimposing images of different colors, comprising:

• a reading step of starting reading of an image based upon a first timing signal, produced by said recording means, representing a recording-medium retention position;
• a processing step of processing an image signal, which has been obtained at said reading step, for obtaining an image signal of a prescribed color;
• a first recording step of storing the image signal, which has been obtained at said processing step, in memory means in synchronization with a synchronizing signal produced by said recording means, and recording this image signal on a first recording medium;
• and
• a second recording step of recording the image signal, which has been read out of said memory means in synchronization with the synchronizing signal, as an image of a second image onward;
• and
• a transfer step of transferring the image recorded at said first recording step and at least one image recorded at said second recording step to respective ones of different recording media.

An image recording apparatus for recording an image by superimposing images of different colors, comprising:

• reading means for reading an image;
• processing means for processing an image signal, which has entered from said reading means, for obtaining an image signal of a prescribed color;
• memory means for storing the image signal, which has entered from said processing means, in synchronization with a synchronizing signal, and outputting this stored image signal in synchronization with the synchronizing signal;
• and
• recording means for recording the image signal, which has entered from said processing means, as a first image, recording the image signal, which has entered from said memory means, as an image of a second image onward, and then transferring at least two stored images to respective ones of different recording media.

An image recording apparatus comprising:

• input means for entering an image signal;
• memory means for storing the entered image signal;
• and
• output means for outputting the image signal to recording means having a drum-shaped body for retaining a plurality of recording media;
• wherein after an output operation of the entered image signal for recording the entered image signal on one recording medium retained on said drum-shaped body and an operation for storing the entered image signal in said memory means have been performed in parallel, the image signal read out of said memory means is outputted to said recording means in order to record the image signal on another recording medium retained on said drum-shaped body.

A copying apparatus comprising:

• driving means for driving an optical device which is used to read an image of an original, to move relative to the original to scan the original;
• recording means for recording an image on a recording medium on a line-by-line basis, and for generating a line synchronizing signal;
• and
• controlling means for controlling the driving means to effect relative motion of the optical device;
• wherein said controlling means comprises means for controlling the driving means to start the relative motion of the optical device in synchronism with the line synchronizing signal.

A copying apparatus comprising:

• driving means for driving an optical device to move relative to an original to scan the original;
• recording means for recording an image of the original on a recording medium;
• and
• controlling means for controlling the driving means to effect relative motion of the optical device;
• wherein said controlling means has a first mode in which the driving means starts the relative motion of the optical device in synchronism with a line synchronizing signal and a second mode in which the driving means starts the relative motion of the optical device asynchronously with respect to the line synchronizing signal.

An apparatus for supplying image data, obtained by scanning an original, to a recording means which records images on a recording medium on a line-by-line basis and which generates a line synchronizing signal, said apparatus comprising:

• driving means for driving an optical device which is used to read an image of an original, to move relative to the original to scan the original;
• and
• controlling means for controlling the driving means to effect relative motion of the optical device;
• wherein said controlling means comprises means for controlling the driving means to start the relative motion of the optical device in synchronism with the line synchronizing signal.

An apparatus for supplying image data to a recording means which records an image of an original on a recording medium, said apparatus comprising:

• driving means for driving an optical device to move relative to the original in order to scan the original;
• and
• controlling means for controlling the driving means to effect relative motion of the optical device;
• wherein said controlling means has a first mode in which the driving means starts the relative motion of the optical device in synchronism with a line synchronizing signal and a second mode in which the driving means starts the relative motion of the optical device asynchronously with respect to the line synchronizing signal.

An image forming apparatus comprising:

• inputting means for inputting image data from a data source;
• first generating means for generating a line synchronizing signal;
• second generating means for generating a frame synchronizing signal which is asynchronous with respect to the line synchronizing signal;
• synchronizing means for synchronizing the frame synchronizing signal with the line synchronizing signal;
• and
• outputting means for selectively outputting to the data source, either (1) the frame synchronizing signal generated by said second generating means, or (2) the frame synchronizing signal synchronized by said synchronizing means.

An image processing apparatus comprising:

• receiving means for receiving a line synchronizing signal from an image recording unit which records images on a line-by-line basis;
• and
• controlling means for controlling motion of an optical device relative to an original in accordance with the line synchronizing signal received by the receiving means, the optical device being used to read an image of the original;
• wherein the controlling means prevents, for each frame reading operation, variations in positions of lines which are read in synchronism with the line synchronizing signal by controlling the motion of the optical device relative to the original in accordance with the line synchronizing signal received by the receiving means.

An image processing method comprising the steps of:

• receiving a line synchronizing signal from an image recording unit which records images on a line-by-line basis;
• and
• controlling motion of an optical device relative to an original in accordance with the line synchronizing signal received by the receiving means, the optical device being used to read an image of the original;
• wherein the controlling step prevents, for each frame reading operation, variations in positions of lines which are read in synchronism with the line synchronizing signal by controlling the motion of the optical device relative to the original in accordance with the line synchronizing signal received in the receiving step.