JPS5945755A - Information reader - Google Patents

Abstract

PURPOSE:To form an information reader such as an intelligent copier and a facsimile where the processing mode is set easily, by reading a card on which the processing mode is described before reading an original. CONSTITUTION:A card mounting window 2 describing a processing mode, original platen 3, operating section 4, and a reference optical characteristic section 5 for shading correction are arranged on the upper surface of an information reader 1, and the inside of the reader 1 is provided with a scanning body 10 comprising light sources 11, 11', pickup elements CCD1, CCD2 and optical systems 12-15. A control section (not shown) shifts the scanning body 10, reads the processing mode information displayed by a bar code from a card loaded on the window 2, and reads the picture information of the original afterwards. The control section performs processing such as trimming, shift of coordinates, magnification and their combination to the picture information from the original based on the processing mode information read before.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an information reading device such as an intelligent copier or facsimile, and an object of the present invention is to provide means for setting a processing mode for processing information contained in an object to be read.

Regarding conventional technology, there is a copying device that converts information contained in an object to be read, such as image information, into an electrical signal using a solid-state image sensor, etc., and then converts this electrical signal into a visible image using a laser beam printer, etc. In a facsimile machine that transmits a 5-ki signal to a remote location and visualizes it, the original information is converted into an electrical signal, so this signal is subjected to various processes,
In recent years, copying apparatuses having the above-mentioned functions have been announced as intelligent copiers, which can perform various information processing by adding information. The above process ff
Q As Qt6, it has functions such as various overlays, rescaling of 9 images, 1 image position, 1iffi movement, original 41", partial rescaling of 4, trimming, etc.
By adding the J interface, it is possible to provide an image file function + 1ltt communication function.

The above-mentioned devices can have a wide variety of functions as described above, but the operation section of these devices may include one in which keys corresponding to each function are arranged side by side, or an ORT display and keys arranged side by side. Although interactive methods have been proposed for use, the complicated processing mode settings are difficult to use manually and are prone to errors. Furthermore, it is inconvenient to set the engraving work each time. Therefore, it has been proposed to preset several modes and complete the mode setting by pressing the key corresponding to these modes, but there are restrictions on the preset forgiveness, and it is difficult to do so. It has the disadvantage that its inner world is difficult to read.

Purpose of the Invention Therefore, the present invention uses a method of converting original information to an image sensor, converting it into (4) and then solidifying it.
In the 11 information reading device Vi, the processing mode heat setting described in i'4iJ is easy, and there is little chance of overhearing.
Another object of the present invention is to provide a processing mode setting means that has fewer restrictions on the number of processing steps to be set.

This invention is based on the following features: a stage on which the object to be read is mounted (in a specific example described later, for example, the stage 3 on which the object is mounted, ft and h in FIG. 1);
A window provided in the vicinity of the above-mentioned mounting stand for mounting a card in which a processing mode for processing object information is written; (also window 2 for card mounting 1i7 in Fig. 1); An image sensor (similar to the rift of the second
, RX child a a n 1. c OD 2 ) and:.

The citation of the specific examples described below in 1c above does not limit the scope of this invention in any way.
Ild The above-mentioned patent 6N request tag [11 (J, J, etc.) can be changed as needed within the description.

Also, the reading ηV reading device f? of this invention. The information that can be read by smell is a document with images, nine characters, symbols, etc.

7.Includes information contained in photographs, maps, diagrams, etc., as well as information on patterns on flat objects such as textile fabrics, accessories, and 41 products.]7. Ru.

Hereinafter, in this specification Iu and e, these 111 pieces of information will be collectively referred to as ``mo°'' and ``chi''.

A concrete example in which this specification is applied to an intelligent copier device 112a will be explained below with reference to the drawings.

The following description is a specific example of the information reading device of the present invention.
The processing code is Ir! The cards being compared and the 71L signal //JL, i.e., fNλ, are displayed in the order of 1~.

Concerning a specific example of the TfJ information reading device of the present invention (first
Fig. 1 embodies this invention; Fig. 1 is a top view of the information reading system; FIG. 3 is an explanatory diagram showing the arrangement If of the parts. In these figures, 1 is the main body of the information reading device, 2 is a protrusion on which a card with a processing mode described later is placed, 3 is a flat plate, a 4-piece operation unit, and 5 is for shading correction. The reference optical characteristic section, 6 is a marker section, or the main scanning direction, and Y indicates the sub-scanning direction.

In FIGS. 2 and 3, reference numeral 10 denotes a scanning body for a document or the like, which is held so as to be movable in the Y direction in the drawings along a guide portion ig: (not shown). The scanning body lO is 2
A set of tubular light sources 11, 11', reflectors 12, 13, 1
4, lenses 15, 15', and an image sensor, for example, a solid-state image sensor (OOI) 1, 00D2.

The tubular light sources 11 and 11' extend in the X direction in FIG.
N) is reflected by the reflecting mirrors 12, 13, and 14, and the lens 1
Image sensor UUDI and 7J O013 by 5 and 15'
The image is formed on the surface of 2, and an electric signal is generated according to the original ffj information on the surface of the document.1. 7, scanning in the main scanning direction (X direction) is performed by tψ1 (g element aor
+1 and 0OD2, scanning is performed one by one, and scanning in the sub-scanning direction (Y direction) is performed by moving the scanning body IQ. Note that the number of image sensors is not limited to two, and may be 11 or 3 or more.

Shading correction group r^ Optical property fql (5 is to prevent the image quality of the visualized image from deteriorating due to uneven light distribution characteristics of the light source 2 dirt on reflection a1 and shading characteristics of the lens It's for color.

It has optical characteristics that serve as a standard such as reflectance, and based on this standard optical characteristic, the reflected light from hj was read by the signal read by the four-sensor sensor. The marker unit 661 is also equipped with a plurality of image sensors 0 to increase the resolution and transfer!
0 T) 1 and C0D2 as shown in the third (Δ)
They are arranged side by side in the X direction, and provide a signal that is the basis for connection processing of the outputs of these plurality of image sensors.
As shown in the figure, two image sensors 0 (, IDI and OC3
The light-receiving area of 1J2 is provided in the part where 71j passes. Shading correction and connection of multiple image sensors will be described later (Fig. 4). ) it: indicates the back side.

This card is used to set the processing mode of the present invention, and this example sets a mode that combines trimming, continuous bar movement, and enlargement. On the back side, the location 111i7 code written on the front side is drawn as a barcode.

Next, the reading operation of the processing mode written on the card shown in FIG. 4 will be explained. 4th diagram) Set the back side of the card (on which the barcode is drawn) to F, so that it is illuminated by C from the light source (1) in Figure 1. Install it in this part 2.

Next, place % on the document table 3, and use the operation section 4 to set the FM
``J'' Set the number of sheets and press the copy start key.This causes the scanning body 10 to illuminate the barcode information (. is the image sensor OCl i) read as 1
1V and determines the copy mode. Subsequently, the scanning body 10 scans the main scanning area 4ij'i where the reference optical characteristic section 5, the marker tall 6, and the original image 14 on the document mounting table 3 are placed, and the shading characteristics are shown by the image pickup devices 00DI and C0D2. Signals and connections are calculated signals and originals] 17
A signal representing the original 1XIj information on the scanning body 1 is output.
0 is one source. When the scanning of 6 is completed, it returns to the home position. The signal representing the original information on the manuscript is then sent to the printer connected to the output side of Fig. 5.
The original information is printed according to the copy mode. The manner is similar to the conventional apparatus ft in which the copy mode is set using a key.

In FIG. 1, the window section 2 runs and is provided above the home position of the t-body 10, but where is the window section 2 provided? l may be any value as long as σ is enough to read the processing mode prior to document reading 9. In addition, in the case of FIG. Itl is moved to the position corresponding to characteristic part !5, reads the signal indicating shading characteristic 1, and then returns to its home position.
The processing mode can be read by Note that when this S&lrt is applied to a facsimile, it is necessary to read the T4 mode.

About the electrical signal processing unit (@Figure 5, Figure 5) Figure 5 processes all the output signals of the image sensors 00Dl and 0OD2, and especially performs shading correction, but both have the same effect. Therefore, in principle, one image sensor 00
Processing of the DI output signal will be explained.

The light emitted from the light sources 11 and 11' is reflected by the shading correction reference optical characteristic section 5, and is reflected by the image sensor 00DI.
It is input into a bit-serial electrical signal and converted into a bit-serial electrical signal.

This i=1 is amplified by an amplifier 21 and an AD converter 22
is converted into a digital signal and stored in random access memory 2.
3 (hereinafter random access memory is referred to as RAM). The address control of the RAM 23 is performed by using a clock signal having the same 101 relationship as the clock signal for the image pickup device 00DI, by using the address counter shown in the cinematography.

Next, the part including the marker part 6 and the stroke of III h: 4: 1
For ε, the output of image sensor 001) 1 is 11
In the same manner as in Section 1S, the amplifier 21 and the AD converter 22 process the data, and by turning the changeover switch (not shown), one of the multiplication read-only memories 2-4 (hereinafter referred to as read-on memories fRORA) is manually operated. Given.Multiply ROM 24
A signal of RAλ 123 in which a +iiJ viewing value is written is applied to the input of the input terminal. dumbfi ROMg
2 address control is also performed via an address counter (not shown) using a clock signal that is in synchronization with the clock signal for dye element 0 (lDI) in image capture 1.

The multiplication R-OM24 is AD when the human power from RAM23 is n.
It is designed to output a code m/n when the data input from the converter 22 is m, and shading is corrected by this logic.

The output of the multiplier ROM 24 is compared with the output of the dither ROM 25, which is a threshold value determination circuit, in a comparison circuit 26 to obtain a binarized signal, which is input to a shift memory 29. The main scanning counter (X counter) 27 for the dither ROM 25 is inputted with a clock signal that is in a synchronous relationship with the clock signal for the image sensor 0CDI, and the sub-scanning counter (Y counter) 28 is input at every fixed count of the main scanning counter 27. A count pulse is input to maintain a synchronous relationship with the sub-scanning of the scanning body 10. The output signal of the image sensor 00D2 is also processed in the same manner as described above (corresponding processing bags Vt are indicated by 21' to 28'), and input to the shift memory 29'.

A small number of image sensors G! The connection processing of the outputs of (IDI and (1
indicates the scanning area of OO]J2, and the scanning direction is indicated by X in the figure. This direction is i with respect to the scanning direction x K in FIG.
,: L, is there. Scanning body 10 - Marker section 6 in Figure 1
When the part containing the marker PIS6 is irradiated at a position ia about one center from
For example, the first 12B pin of the serial signal is shown in Figure d. Here, 128 bits corresponds to a width of 8 on the original surface when the resolution is 16 bits/stm. Then, remove these 128 bits from each -C and write to RA.
M (;, 30.31 in Figure 135) Expand to J2. This state is shown in 61'le and f, respectively.

If the light-receiving areas of two image sensors are set to overlap as described in 1111, 1
In the 28 bits, white bits always appear before and after, and the black bit corresponding to the marker section 6 described above is sandwiched in the state θ1;. Therefore, the number of lower white bits (r
,,w,) and 001) The number of bits in the "-" digit in the output of 2 (U, W, ) plus the number of black bits I3) is thinned out and connected when read from the shift memory. , 0(3D1 and 00 ]) 2 is taken out as a continuous signal. The basics of the above sampling process is to import data 16 times each in 8-bit units for both sides, and
M: 3o, 31-1.

Once the Gitsuna amount calculation is completed, the manuscript will be scanned, but
Prior to this, the central processing unit ift a PU is connected to the shift memory 29? , 1j is set to address 2504 in the first I10 register, and address (2952 one connection amount) is set to the second I10 register associated with shift memory 29'. This situation is shown in Figures 6g and h, respectively. Figure g
shows the output of 0 ODI, which is 88 bits of blank space from the beginning) y 148.5 2376 bits corresponding to 11゛1 information amount for n, 128 bits for connection processing, a total of 2592 bits, on the other hand. The figure shows the output of OOD2, which also consists of a total of 2592 bits, but the first OON indicates the amount of connection.

Note that the image signal is output from the shift memo 1J29, 29'. The apparatus of FIG. 5 is controlled by a central processing unit 1T (aptr) 34 via a CPU bus 33, the latter being connected to the operating section 4 of FIG. For details of the electric signal shown in FIG. 5, please refer to FIG. 5 of Japanese Patent Application No. 5 'i'-1280739 filed by Mizuide Lit.

On the other hand, the signal read from the processing mode setting card is
Similarly, this signal is processed in the signal processing section shown in FIG. In addition, Tsu・t
'＋? The reflection game C from the processing mode setting card is taken on one side! ! Since the signal is processed only by the element, this signal is not changed by the connection processing section h1:.

This emission IJI4 can be applied to the above-mentioned document surface > 1-9 (, 711λ displacement!1itJ type instead of the fixed light source / moving type device I), and also uses transparent light instead of reflected light. However, for the latter, the entry 11 & skewer on the front of the card shown in Figure 4(A) requires placing Transparent 6 by 1 (α minus!, i/K).

Effects of the Invention 1 This invention is based on the above-mentioned structure and operation (1), and the processing mode written on the card is read through the window provided near the document table. It is easy to set up and there are fewer mistakes made.
In addition, it is possible to realize a processing mode setting means that has almost no restrictions on the number of processing modes that should be set, especially when the original
Since the processing mode is also read by the image sensor that should read IIV, a special (
=1 No addition means required.

[Brief explanation of drawings]

Figure 1 shows a 1-information reading device embodying this invention. I
Figure 2 is a top view, Figure 2 is a side sectional view thereof, Figure 3 is an explanatory diagram showing the arrangement of the imaging insert, lens and marker section in Figure 2, Figure 4(k) 6:I, FIG. 4(B) is an explanatory diagram of the recording on the front side of the processing mode setting card used in the information reading device of the present invention, and FIG.
The figure is a Gronk diagram of the electrical signal processing section 71L of an information reading device embodying the present invention, and a photograph of the abdominal parts in the electrical signal processing section of Fig. 6 (r-1: 2i'). This is a clear diagram showing the output connection process (original) 411. In the figure, 2 is the window for card placement, 3V, 1. 11 Hara Sendai I units, 4 is the operation unit, and 5 is for Shafe ink correction. )r41i
1i Optical Special Optics Patent Birth Canon Co., Ltd.

Claims (1)

[Scope of Claims] One '412ti unit of the object to be read and a power card in which the processing mode for processing the information of the object to be read is written are installed near the mounting table. What is claimed is: 1. An information reading device, comprising: a window section; and an image sensor into which information about the object to be read and processing mode information written on the card are input.