JP2710776B2 - Reading and recording device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reading / recording apparatus capable of printing on a recording sheet and reading a sheet document, and in particular, reads a document and transfers image information of the document to another. The present invention relates to a reading / recording device capable of recording on a record carrier. 2. Description of the Related Art Conventionally, writing on an OHP (overhead projector) sheet has been performed by a person using an oil-based felt-tip pen or the like while reading the original to copy the original. [Problems to be Solved by the Invention] However, writing on such an OHP sheet is troublesome twice, and the appearance of an apparatus that can easily copy an original to an OHP sheet has been desired. The present invention has been made in view of the above-described conventional example, and by feeding a document and an overlaid transparent film into the apparatus,
It is an object of the present invention to provide a reading and recording apparatus that can easily copy an original to a transparent film such as an OHP sheet. [Means for Solving the Problems] In order to achieve the above object, the reading and recording apparatus of the present invention has the following configuration. Transport means capable of superimposing a substantially transparent record carrier and a document and transporting the document along a transport path to a recording position; disposed on the transport path upstream of the recording position; And a recording unit for recording the image information read by the reading unit on the record carrier at the recording position. [Operation] In the above configuration, the record carrier is transported to the recording position along a transport path capable of transporting a sheet in which a substantially transparent record carrier and a document are superimposed. The reading unit is disposed upstream of the recording position on the transport path, and photoelectrically reads and inputs image information of the document through the record carrier. The image information of the document thus read is recorded on the record carrier at the recording position. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. [Overall Description of Reader Printer (FIG. 1)] FIG. 1 is a functional block diagram showing a schematic functional configuration of the reader printer of the embodiment. In the figure, reference numeral 140 denotes a control unit for controlling the entire apparatus, for example, a CPU such as a microprocessor, a ROM storing a control program and various data of the CPU shown in the flowchart of FIG. 6, and a work area of the CPU. And a RAM for temporarily storing various data. The RAM includes a print position pointer (PRPT) indicating a print position described later, an input pointer (INPT) indicating a character input position from the input unit 145, and the like. Reference numeral 141 denotes an image buffer for storing image data to be displayed on the display unit 142. The image buffer 141 can store image data for at least one page of a sheet document, and is read when the reading resolution of the reading unit 144 is equal to the display resolution of the display unit 142. When the data is stored as it is and the reading resolution of the reading unit 144 is higher, the read data is reduced and stored and displayed on the display unit 142. Reference numeral 142 denotes a display unit such as a CRT or a liquid crystal display, which displays various data in a dot image, and has a display screen configured as a touch panel 143. Control unit for coordinate values
140 can be entered. The input unit 145 is, for example, an input unit such as a keyboard, and is used to input document information printed by the recording unit 146, various commands for instructing operation of the apparatus, and the like. Reference numeral 149 denotes a character pattern generator that generates a character pattern based on the code information input from the input unit 145, and 150 denotes a print buffer that stores print data to be output to the recording unit 146. When the resolution of the image buffer 141 is equal to the recording resolution of the recording unit 146, the image data of the image buffer 141 is stored as it is. Reference numeral 146 denotes a recording unit for transporting and reading recording paper, and further performing printing and the like. The configuration of the recording unit 146 will be described below. Reference numeral 101 denotes a thermal head which is mounted on the carriage 200 and sequentially records. The carriage 200 is equipped with the thermal head 101, an ink ribbon 148 for thermal transfer recording, a carriage motor 102 for moving the carriage 200, and the like. Reference numeral 144 denotes a reading unit that photoelectrically reads a document.The reading unit 144 is provided as a contact sensor, which will be described later, on a conveyance path of a sheet such as a recording sheet or a read document, and a lamp of the reading unit 144 is turned on by an instruction of the control unit 140. The document is read by the reading sensor (111), converted into a digital signal, and sent to the control unit 140. With the above configuration, the sheet can be fed to the recording position to perform thermal transfer recording, and the read original can be conveyed to the reading position for reading, and can be copied onto the recording sheet conveyed together. Further, the contents of the document read by the reading unit 144 are displayed on the display unit 142, the character position and the like can be instructed from the touch panel 143, the keyboard, and the like, and characters to be changed or added can be input by code from the keyboard. In this manner, the code is converted into pattern information by the character pattern generator 149, and is added or exchanged with the image data of the image buffer 141, thereby correcting or changing the contents of the read original and copying the same on an OHP sheet or the like. be able to. Description of Appearance of Apparatus (FIG. 2) FIG. 2 is an external perspective view of a reader printer which also functions as a facsimile apparatus and a personal computer (including a word processor) of the embodiment. In the figure, reference numeral 320 denotes a CRT screen serving as a display unit 142, which displays input document information and image data read by the reading unit 144, and also functions as a touch panel to perform coordinate input and item designation input from the screen. It can be carried out. 321 is a handset used when the device functions as a telephone. A keyboard 322 that operates as the input unit 145 is detachably connected to the main body via a code, and can input various document information and function instructions. Also, on the keyboard 322, a joystick and cursor keys for inputting coordinates are provided. Reference numeral 323 denotes an insertion slot for inserting a micro floppy for storing document information and the like. As shown in the figure, the sheet 207 stacked on the stacker 204 is transported into the main body, and is discharged from the upper part of the apparatus as shown in the figure after reading by the reading unit 144 or recording by the thermal head 101. [Explanation of Cross Section of Mechanism (FIG. 3)] FIG. 3 is a structural cross section of the reader printer of the embodiment. In the figure, reference numeral 204 denotes a stacker on which a sheet 207 such as a recording sheet or a read original is stacked. The sheet 207 is formed by overlapping a transparent sheet below and a downward original on the upper part.
It is desirable that the original and the transparent sheet are slightly adhered with an adhesive tape or the like so as not to shift. 205 and 206 are paper guides set by the operator in accordance with the width of the sheets 207 stacked on the stacker 204. Statuka 204 Sheet 2
In the drawing 07, when the pickup roller 308 is at the position 308 'indicated by the dotted line in the drawing, the pickup roller 308 is pulled out onto the conveyance path by the pickup roller 308 and transferred to the platen 300 side on the conveyance path. Thus, the sheet 207 is moved between the platen 300 and the pinch roller 40.
When the pick-up roller 308 is conveyed to a position where the pick-up roller 308 is conveyed, the pick-up roller 308 moves up to the position indicated by the solid line (up).
Then, the transfer of the next sheet 207 from the stacker 204 is prohibited. A paper sensor 403 is provided on the transport path on the downstream side of the pick-up roller 308, and detects the presence or absence of the sheet 207 of the stacker 204. A reference numeral 404 is provided on the transport path on the downstream side of the separation roller 309. This is a paper sensor that detects the transfer. Sheet 207 sandwiched between platen 300 and pinch roller 401
Is guided in the direction of the recording position by the thermal head 101 guided by the contact sensor 105 equipped with the reading sensor 111, or stops at the reading position by the reading sensor 111 when reading the original through the transparent sheet. Is done. Thus, the sheet 207 that has passed the separation roller 309
Is transported by rotation of the platen 300 and the pinch roller 401 and the like, and when recording or reading is completed, the recording paper is discharged from the upper part of the apparatus by the discharge roller 230. Reference numeral 201 denotes an ink ribbon cassette detachably mounted on the cartridge 200. Carriage 200 is Carriage 200
A carriage motor 102 mounted in the thermal head 10 is moved in a direction substantially perpendicular to the flat platen in the drawing vertical direction.
According to 1, the sequential recording is performed by the thermal transfer method. The recording by the thermal transfer is performed on the transparent sheet below the sheet 207. Two
21 is a ribbon sensor for detecting the presence or absence of an ink ribbon, 220
Is a sensor for detecting that the carriage 200 has reached the home position. [Explanation of Entire Mechanism (FIGS. 4 to 5)] FIG. 4 is a perspective view of the mechanism when the front cover of the reader printer according to the embodiment is removed, and FIG. 5 further illustrates a carriage and an upper frame. FIG. 3 is a perspective view of the removed mechanical unit, which is partially cut away for explanation. Note that common parts in the drawings are indicated by the same symbols. In FIG. 4, reference numeral 201 denotes a ribbon cassette accommodating the ink ribbon 148, and reference numeral 200 denotes a carriage. The carriage 200 is moved by the carriage motor 102 along the shaft 202 in the direction of arrow A substantially parallel to the flat platen 203. Reference numeral 203 denotes a flat platen made of a flexible member such as rubber provided at a position facing the thermal head 101 mounted on the carriage 200, and the ink ribbon and the flat platen are rotated by rotating the paper feed motor 103 in a counterclockwise direction. 203
Is pressed by the thermal head 101, and is serially transferred and recorded as the carriage 200 moves. Reference numeral 204 denotes a stacker capable of stacking and storing a plurality of sheets 207 such as recording papers or read originals. The stacker 204 is provided with slidable paper guides 205 and 206, and their positions are adjusted by an operator according to the size of the sheet 207. The position of these paper guides is detected by a sensor (not shown), and the control unit 100 can detect the size of the sheet 207 stored in the stacker 204 by a signal from this sensor. Accordingly, for example, when the length of the reading sensor 111 in the longitudinal direction is A4 size, the document cannot be read or the document cannot be fed if the width of the document is larger than A4 size. Is determined to be caught by the
7 transfers can be banned. A gear 208 is attached to the motor shaft of the paper feed motor 103. When the gear 208 rotates counterclockwise, the rotation is transmitted from the gear 209 to the gear 210, and a platen (main roller) and a paper The feeding roller (pinch roller) is driven to feed the sheet 207. These movements will be described in more detail with reference to FIG. In FIG. 5, when the rotation of the paper feed motor 103 is transmitted to a gear 210 attached to a shaft 314 of the platen 300, the platen (main roller) 300 is driven to rotate in the direction of the arrow. On the other hand, cams 302 and 303 are pivotally supported on a shaft 314 of the platen 300, and these cams 302 and 303 are rotated by a pickup motor (not shown) regardless of the movement of the platen 300. The cams 302 and 303 are formed integrally with the gear 301. When the rotation of the pickup motor is transmitted to the gear 301, the cams 302 and 303 are rotated in association with each other. The cam 303 is engaged with the cam follower 305 of the contact sensor 105 on which the reading sensor 111 and the lamp 110 are mounted, so that the contact sensor 105 can be turned up and down by the rotation position of the cam 302. Similarly, the cam 302 is engaged with the cam follower of the lever 307, and rotates the lever 307 about the shaft 306 so as to pull up the pickup roller 308. The contact sensor 105 has a lamp 110 and a reading sensor 11
1 is attached, and is configured to be able to abut (down) or separate (up) from the platen 300 as described above. At the time of reading the document and in the standby state, the contact sensor 105 is in the down state, and at the time of reading, the light emitted from the lamp 110 is reflected on the document surface, and the reflected light is input to the reading sensor 111 and converted into an electric signal. . When the sheet is transferred without reading the document, the reading sensor 111 is in the up state, and functions as a guide for transferring the sheet 207 to the recording position. It should be noted that the contact sensor 105 is lowered as a temporary sheet guide even during printing by the thermal head 101, for example, in order to reliably feed a postcard or the like. A separation roller 309 is attached to a shaft 306 of the lever 307, and when the pick-up roller 308 is in a down state (a state in which it is pressed against the sheet 207), the paper feed motor 103
Is transmitted to the shaft 306 through the gears 208 and 211, and the roller 309 rotates in the direction of arrow B. The rotation of the separation roller 309 is performed by a pick-up roller 308 by a belt 313.
And feeds the sheet 207 stored in the stacker 204. When the pick-up roller 308 is up (in a state of being separated from the sheet 207), the shaft 306 is separated from the gear 211, and the rotation of the paper feed motor 103 is not transmitted, and the shaft 306 and the separation roller 309 can rotate freely. In this way, when feeding the sheet 207 from the stacker 204, the feeding of the sheet 207 is confirmed by the paper sensors 403 and 404, and then the sheet 207 is sandwiched between the platen (main roller) 300 and the pinch roller 401. At the timing of transfer, the pickup roller 308 is picked up by the pickup motor as shown by the solid line in FIG. Thus, thereafter, the sheet 207 is transported by the platen 300 and the pinch roller 401 and further by another pinch roller, and reading of one page of the original by the reading sensor 11 or recording of one page by the thermal serial head 101 is completed. Then, when the transfer of the next sheet 207 is performed,
The pick-up roller 308 is lowered again (the position indicated by the dotted line in FIG. 3), and the sheet 207 is transferred from the stacker 204 into the apparatus. [Explanation of Operation (FIGS. 6 and 7)] FIG. 6 is a flowchart showing a copying operation from a document to a transparent sheet in the reader printer according to the embodiment, and a program for performing this operation is stored in the ROM of the control unit 140. Is stored. Before the start of this operation, the contact sensor 105 is down, the pickup roller 308 is up, and the state shown by the solid line in FIG. 3 is reached. This program is started when a print instruction is input from the keyboard 322. First, in step S1, it is determined whether the paper sensor 403 is on, that is, whether there is a sheet 207. If not, the process proceeds to step S2 and a paper-out error is generated. Paper sensor 40
If 3 is on, the process proceeds to step S3, in which the cams 302 and 303 are rotated counterclockwise by the pick-up motor so that the pick-up roller 308 is down, and the contact sensor 105 is separated from the platen 300. In step S4, the paper feed motor 103 is driven to rotate counterclockwise to start feeding the sheet 207 stored in the stacker 204. Next, it is determined whether the paper sensor 404 is turned on in step S5. If the paper sensor 404 does not turn on even after the predetermined time has elapsed in step S6, error processing such as paper jam (jam) is performed. When the paper sensor 404 is turned on in step S5, step S5 is executed.
Proceeding to 7, the sheet 207 is fed by an amount sufficient to wind the sheet 207 around the platen 300 and the pinch roller 401. this is,
For example, when the paper feed motor 103 is a stepping motor, the rotation is performed by rotating the motor 103 for about 328 steps. The sheet 207 is sent between the platen 300 and the pinch roller 401, and the sheet 20 is moved by the platen 300 and the pinch roller 401.
When the transfer of 7 is performed, the process proceeds to step S8, and the pickup roller 308 is set up. As a result, the feeding of the next sheet 207 from the stacker 204 is prohibited. In step S9, the leading edge of the sheet 207 is read by the sensor 111.
The contact sensor 105 is moved down to the reading position, and the original is read by the reading sensor 111 through the transparent sheet. The read image data of the document is sequentially stored in the image buffer 141 and displayed on the display unit 142. In step S10, it is determined whether the leading edge of the transparent sheet has been transported to the printing position by the thermal head 101 (determined by the number of feeding steps of the paper feed motor 103), and if the printing position has not been reached, the process returns to step S9. Further, the sheet 207 is sent, and the original is read and displayed. FIG. 7 is a view showing a state in which the original 70 has been read and the leading end of the transparent sheet has reached the printing position. FIG. 7 (A) shows the original 70 to be read, and FIG. After reading up to position 71 is completed, the print position on the transparent sheet is
FIG. 11 is a diagram showing a display state of a CRT screen 320 when the head of the CRT is reached. In the drawing, reference numeral 72 denotes a display frame portion indicating the size of the document 70, and 73, a cursor indicating a print line to be printed next by the thermal head 101, which is indicated by the pointer PRPT. This PRPT is updated every time one line is printed. 74 is the keyboard 32
A cursor indicating an input position of a character or the like by 2 indicates a position where the corrected character or the like is to be input when, for example, changing or correcting a character or the like of a document is desired to be copied. This cursor 74
The touch panel 143 is moved on the screen by an instruction from the keyboard 322 or the like. The position of the cursor 74 is indicated by the pointer INPT, and is updated by inputting each character from the keyboard 322. When the leading edge of the sheet 207 reaches the recording position, step S11 is performed.
7B, the read portion is displayed on the screen 320 as shown in FIG. 7B, and the designated input position and print position are displayed by the cursors 74 and 73, respectively, so that the transfer of the sheet 207 is performed. Stop. In step S12, it is checked whether or not an instruction to correct the original is inputted from the keyboard 322.
Proceed to S13. In step S13 (if printing is currently being performed, printing of the next and subsequent lines is stopped), display is performed on the display unit 142 based on the position designation from the keyboard 322, character codes, and the like, and the document data is updated. That is, the mode input from the keyboard 322 is expanded into pattern data by the character pattern generator 149, stored at the position indicated by the pointer INPT, and expanded into the image buffer 141 to change / correct the original data. Is what you do. The correction instruction may include a change of a character or the like, an enlargement / reduction of a document image, and the like. If a correction instruction is not input in step S12, step S14
To see if a copy start instruction has been input. If the copy instruction is not input, the flow returns to step S12 to perform the above-described operation. When a copy instruction is input, the process proceeds to step S15, and the content of the image buffer 141 is transferred to the print buffer 150 as it is or after being enlarged or reduced according to the difference in resolution between the display unit 142 and the recording unit 146, The contents of the print buffer 150 are printed on a transparent sheet for one line, the amount displayed on the screen 320, or the number of lines specified together with the copy instruction. In step S16, the display content on the screen is changed by scrolling the display content on the screen in response to the recording operation on the sheet and the reading operation of the document. In step S17, it is checked whether the reading of the document has been completed, that is, whether the rear end of the document 70 has passed the contact sensor 105, and if it has passed, the contact sensor 105 is increased in step S18. Therefore, the image of the original 70 corresponding to the read portion is
For example, the display is scrolled into the display of FIG. 7B. In step S19, it is checked whether printing of one page has been completed. If not completed, the process returns to step S12. When printing of one page is completed, the process proceeds to step S20,
The document 70 and the transparent sheet are discharged, and the process ends. In this embodiment, the reading of the original and the copying and printing of the original are performed.
Although it has been described that the transfer is performed by transferring the sheet once, the present invention is not limited to this. After reading the entire document once and displaying it on the screen for one page, characters or the like to be changed / corrected are input from the keyboard, and then again. Set the transparent sheet in the printer,
The printing may be performed by transferring to the printing position. Further, in the present embodiment, printing is performed in a sequential manner. However, the present invention is not limited to this. Needless to say, a line printer may be used. As described above, according to the present embodiment, there is an effect that a document fed by being superimposed on a substantially transparent record carrier can be read, input, and copied to a transparent record carrier such as an OHP sheet. According to another aspect, there is an effect that the read original is displayed on a display screen or the like, and the image information can be edited or modified such as enlargement / reduction to be copied to a record carrier. [Effects of the Invention] As described above, according to the present invention, there is an effect that a simple operation can copy an original to a transparent record carrier such as an OHP sheet.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a functional block diagram showing a functional configuration of a reader printer according to an embodiment, FIG. 3 is a structural sectional view of a mechanism of the reader printer according to the embodiment, and FIG. FIG. 4 is a perspective view of a mechanism unit of the embodiment, FIG. 5 is a perspective view of a mechanism unit when a carriage and an upper frame are removed from FIG. 4, and FIG. 6 is a flowchart showing a copying operation by the reader printer of the embodiment, FIG. 7 (A) is a diagram showing an example of a document, and FIG. 7 (B) is a reading display example of the document in FIG. 7 (A). FIG. In the figure, 70: original, 73, 74: cursor, 101: thermal head, 102: carriage motor, 103: paper feed motor, 105: contact sensor, 111: read sensor, 140: control unit , 141 ... image buffer, 142 ...
... Display unit, 143 ... Touch panel, 144 ... Reading unit, 145
…… Input unit, 146 …… Recording unit, 148 …… Ink ribbon, 14
9 …… Character pattern generator, 150 …… Print buffer,
200: Carriage, 201: Ink ribbon cassette, 20
3 Flat platen, 204 Statuka, 205, 206 Paper guide, 208 to 211 Gear, 220 Home position sensor, 221 Ink ribbon sensor, 300 Platen (main roller), 301 … Gear, 302,303 …… cam, 307…
.., Lever, 308, pick-up roller, 309, separation roller, 320, CRT, 322, keyboard, 403, 404, paper sensor, 405, leaf spring.

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Hiroyuki Saito               3-30-2 Shimomaruko, Ota-ku, Tokyo               Within Canon Inc. (72) Inventor Tetsuya Ishii               3-30-2 Shimomaruko, Ota-ku, Tokyo               Within Canon Inc. (72) Inventor Tadashi Shiina               3-30-2 Shimomaruko, Ota-ku, Tokyo               Within Canon Inc. (72) Inventor Kenichiro Hashimoto               3-30-2 Shimomaruko, Ota-ku, Tokyo               Within Canon Inc.                (56) References JP-A-63-53095 (JP, A)                 JP-A-62-163458 (JP, A)                 JP-A-62-269568 (JP, A)

Claims (1)

(57) [Claims] Transport means capable of superimposing a substantially transparent record carrier and a document and transporting the document to a recording position along a transport path; and being disposed upstream of the recording position on the transport path, photoelectrically transmitting image information of the document through the record carrier. A reading and recording apparatus, comprising: a reading section for reading and inputting information; and recording means for recording image information read by the reading section on the recording medium at the recording position. 2. 2. The apparatus according to claim 1, further comprising editing means for correcting or editing the read image information, wherein said recording means records the corrected or edited image information on said record carrier. Reading and recording device.