JPH02260759A - Image reader - Google Patents

Abstract

PURPOSE:To improve convenience of use by deciding which kind of a setting device is let up based upon a detecting signal from a code detecting means and automatically executing sequence control in accordance with the decided result. CONSTITUTION:When one of various setting devices (optional devices) (a) is loaded to a prescribed image reading position, a deciding means (e) in the body device decides which kind of the setting device (a) is set up based uon the detecting signal of the code detecting means (d). A control means (f) automatically executes sequence control in an operation mode matched with the kind of the setting device (a) in accordance with the decided result. Consequently, it is unnecessary for a user to set up a complex operation mode in each loading of the setting device (a) and the image reader can be extremely easily used.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an image reading device, and particularly to an image reading device that reads image information from a subject (original) such as a 35m+n photographic film using an image sensor such as a line sensor and converts it into an electrical signal. The present invention relates to an image reading device.

[Prior Art] Conventionally, in a film image reading device for reading images of 35IIll photographic film, a document film is housed in a mount for holding the film and set at the reading position of the device.
Alternatively, the image reading operation is started after placing the original film in a special film carrier and inserting it into the reading position.

[Problems to be Solved by the Invention] However, in the above conventional example, when a film image reading device is connected to a printer and continuous printing is performed, it is necessary to input the operation mode from the console each time. Therefore, it took time to operate and was not easy to use. On the other hand, with the connection to external devices such as recording devices, optional devices such as autoloaders or autochangers are becoming more diverse, and along with this diversification, sequence control of the main device is also becoming more diverse. Each time a device is replaced and set, the operation mode must be input manually from the console, requiring the user to have advanced knowledge to fully utilize those optional devices, which tends to make the system inconvenient to use. Met.

An object of the present invention is to eliminate the above-mentioned conventional drawbacks, and to automatically determine the type of setting device (optional device) for setting the subject at the image reading position and automatically change the operation mode. An object of the present invention is to provide an image reading device that is possible to use, reduces the labor of operation, and has improved usability.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a plurality of types of setting devices for setting a subject at a predetermined image reading position, an imaging means for reading the subject, and a set device provided in the setting device. a code section having a code indicating the type of the setting device; a code detection means for detecting the code of the code section when one of the setting devices is set; and a code detection means based on the code detected by the code detection means. The present invention is characterized by comprising a determination means for determining the type of setting device that is currently set, and a control means for controlling to change the operation mode of image reading processing of the subject according to the type determined by the determination means. shall be.

[Function] According to the present invention, when one of various setting devices (optional devices) is attached to a predetermined image reading position, the determination means of the main device can detect what kind of setting device has been set by the code detection means. Judgment is made based on the detection signal, and the control means automatically executes sequence control in an operation mode suited to the type of each setting device according to the judgment result, so the user can This eliminates the need for troublesome operation mode settings, making it extremely easy to use.

[Example] Hereinafter, an actual M5 example of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows the basic configuration of an embodiment of the present invention. In the figure, reference numeral a denotes a multi-type setting device for setting a subject at a predetermined image reading position. b reads object a M
There are a thousand ways. C is provided in the setting device a,
This is a code section having a code representing the type of the setting device. d is code detection means for detecting the code in the code section C when one of the setting devices is set. e
Determining means determines the type of setting device a that is currently set based on the code detected by the code detecting means d. Reference numeral f denotes a control means that performs control to change the operation mode of the image reading process of the subject according to the type determined by the determination means e.

ΔEngineer FIG. 2 shows a schematic configuration of Embodiment 1 of the present invention.

In the figure, 3006 is the transparent original of the subject 35
This is a film carrier that can hold 1.5 mm film in the form of a sleeve or in the form of separate images stored in a mount. 3080
has its film carrier 3 as one of the optional equipment.
A lighting lamp (see FIG. 7) is installed from one side of the window 3007 of this magazine 3080, which is a magazine (setting device) for setting 006 at a predetermined image reading position 3.
The image sensor (see FIG. 7) reads the reflected light of the transparent document emitted from the other side.

Further, 1 is a connector provided on the main body side, and when an optional device such as the magazine 3080 is set, the above-mentioned connector 1 (not shown) of the optional device is connected. A control section 4 determines the type of optional device based on the connection signal 2 from the connector 1, and is connected to a sensor motor driver 5, a display operation section 7, etc., which will be described later, and controls the entire system.

An optional device according to an embodiment of the present invention is shown in FIG.

Reference numeral 101 in Figure 4 is an autochanger as one of the optional devices, which automatically sets a large number of 35mm 111 films in a mount at once and manually sets the number of image samples to be read in the initial settings. This is for selective reading operation. auto changer 1
Since 01 only handles image samples mounted in mounts,
Mainly used for reading positive images.

Reference numeral 102 in FIG. 5 is an autoloader which is also one of the optional devices, and includes a transport mechanism for the film carrier 3006 and a sensor (not shown) for aligning the film carrier 3006 to the magazine 3080 in FIG. It has a structure that includes:

In order to distinguish the types of these optional devices 3080.101, 102, 1. The connector 1 in Fig. 2 is provided with, for example, two connect signal 2 wirings, and this connector 1 is pulled up to ◆5V through a resistor (not shown) on the main body side, and no optional equipment is connected. When not set, the 2-bit connect signal is "11"("!" is high level,
By connecting one or both of the connect signals to the ground electrode (GND) on the optional device side, the controller 4 on the main device side can determine the type of the optional device. It can be determined by In this embodiment, the connect signal “00” is connected to the magazine 30.
80, with "01" as the autoloader 102 and lO" as the autochanger 101, the control unit 4 inputs the information of these connect signals, determines the type of optional device, and performs control according to each determined optional device. is performed by the control unit 4. However, although the above description is based on the case where there are three types of optional devices, if there are many types of optional devices, the number of connect signals may be increased.

FIG. 6 shows an example of a control operation procedure of the control section 4 shown in FIG.

Next, the operation of the embodiment of the present invention will be explained with reference to the flowchart of FIG.

First, the control unit 4 determines the connect signal 2 input from the input boat, and proceeds to the jump address corresponding to the code of each signal. For example, if the connect signal 2 is "11", this means that no optional device is connected, so a display to that effect is displayed on the display/operation unit 7, and the process returns to the main routine (steps 540 and S41).
).

If the connect signal is "00", it is determined that the magazine 3080 is connected to the connector 1, and first, it is determined whether the film carrier 3006 is set in the magazine 3080 based on other signals from the connector 1. (step 51), if the film carrier 300B is not set, a display indicating this is displayed on the display operation section and the process returns to the main routine (steps 52 and 53); if the film carrier 3006 is set, Manual start command signal from the user (start key manual power)
Waits for a predetermined time (step 54.S5). After the start command is manually input, the document image is generated based on the information 6 manually input from the sensor (not shown) in the magazine 3080 via the connector 1 and the sensor data driver 5. Step 56. Detect whether it applies to negative/positive or vertical screen/drawing screen. S7), ^E (automatic density adjustment) and AF (automatic focus adjustment) are executed in step S8.
), the image is read through an image sensor (not shown) (step S9), and when all of these processes are completed, the display operation unit 7 displays a message indicating that the process has been completed (step 510). Exit (
Step 511).

Further, when the connect signal 2 is "01", it is determined that the autoloader 102 is connected, and after determining the presence or absence of the film carrier 3006 as in the case of the magazine 3080 described above (steps 512 to 514), the autoloader 102 is connected.
Since it is possible to automatically convey and position the film carrier 3006, as an initial setting, data on which image samples and how many sheets are to be read is stored in an internal memory (not shown) (steps 515 and 516), and the initial setting is performed. The device automatically performs operations such as carrier transport until it finishes reading all of the samples (steps 517 to 517).
522), and finally returns the film carrier 3o26 to the home position (step 523), and ends the process (steps 524 and 525).

Furthermore, when the connect signal 2 is "10", it is determined that the autochanger 101 is set, and in this case, the operation is almost the same as that of the above-mentioned auto-changer-1G2, but since no film carrier is used, the turntable The mount is transported by rotating the mount (steps 526 to 539).

Next, the overall configuration of the apparatus according to the embodiment of the present invention will be explained with reference to FIG.

In this figure, 3001 is a light source (lamp) for illuminating a transparent original, 3002 is a heat ray absorption filter that removes heat rays from the light rays from the light source 3001, and 3003 is a filter 300.
This is an illumination optical system that converts the illumination light that passes through 2 into a parallel light beam.

3004 is a sub-scanning drive stand that moves a line sensor 3060, which will be described later, in the sub-scanning direction, and 3006 is a film carrier that stores a transparent original. 3008 is a movable mirror that switches the optical path of the light beam (original image) transmitted through the transparent original in the window 3007; 3009 is a mirror that deflects the optical path of the original image;
010 is an imaging lens that forms an image of the original that has passed through the mirror 3009.

3011 is a projection lens for projecting the original image reflected by the movable mirror 3008; 3012 is a mirror that deflects the optical path; 3013 is a mirror that deflects the same optical path; 3014
is a screen serving as a monitor on which the original image that has passed through the mirror 3013 is projected. 3015 is the screen 3014
3016 is the screen 3
This is a touch panel that manually controls the trimming area, which is integrated with 0I4. 3017 is a lamp holding member that supports the light source 3001.

3064 is CCD positioning mechanism, 3061.3062
．． 3063 is a CCD line sensor that uses a CCD (charge-coupled device) array having color separation filters for R (red), G (green), and B (blue) to separate the transparent original image formed by the imaging lens 3010. .

3025 is CCD line sensor 3061, 3062.3
3026 is an adjustment signal generation source that generates a standard signal for adjustment to the analog circuit 3025; 3027 is an analog circuit section 3025;
3028 is a shading correction circuit that performs shading correction on the output signal of the dark correction circuit 3027; 3059 is the output signal of the shading correction circuit 3028; A pixel shift correction circuit 3030 corrects pixel shift in the main scanning direction, and a pixel shift correction circuit 3030 converts the R, G, and B signals that have passed through the pixel shift correction circuit 3059 into Y (yellow), M (magenta), This is a color conversion circuit that converts into C (cyan) color signals. Further, 3031 is a lookup table (LIIT) that performs LOG conversion and γ conversion of the output signal of the color conversion circuit 3030.

3032 is a minimum value detection circuit that detects the minimum value of the output signal of the lookup table 3031; 3033 is a lookup table (3033) that obtains a control amount for under color removal (OCR) according to the detected value of the minimum value detection circuit 3032; LLIT)
, 3034 is a masking circuit that performs masking processing on the output signal of the lookup table 3031 based on the detected value of the minimum value detection circuit 3032, and 3035 is a masking circuit that performs masking processing on the output signal of the lookup table 3033 on the output signal of the masking circuit 3034. This is a 068 circuit (undercolor removal circuit) that performs undercolor removal processing based on the following. 3036 is tlcR circuit 3
A density conversion circuit 3037 converts the recording density of the output signal of the density conversion circuit 3036 to a specified density, and a scaling processing circuit 3037 converts the output signal of the density conversion circuit 3036 to a specified scaling factor.

3038 is an interface circuit (1/3) that transmits signals between a printer (not shown) or an input/output terminal and this device.
F), 3039 is a controller that controls the entire device, corresponding to the control unit 4 in FIG.
Inside the 39 is a microcomputer, etc., CPII (
A central processing unit), an RO4 (read-on memory) in which processing procedures are stored in the form of a program, a RAM (random access memory) used for data storage and as a work area, and the like are provided.

3081 is a peak detection circuit that detects the peak value of the output value manually input from the scaling processing circuit 3037 to the interface circuit 3038 and the controller 3039; 3041 is an operation unit that issues instructions to the controller 3039; 3042
2 is a display section corresponding to the display/operation section 7 in FIG. 2 that displays the control status of the controller 3039 and the like.

3043 is a lens aperture control unit that controls the aperture of the imaging lens 301O, 3084 is a lens focus adjustment unit (lens distance ring control unit) that adjusts the focus of the imaging lens 301O, and 3045 is a mirror drive unit that drives the movable mirror 3008. It is. 3046 is the trimming frame display 301
A trimming frame control unit 3047 controls the touch panel 3016;

3049 is a sub-scanning control unit that controls the scanning of the sub-scanning drive stand 3004; 3050 is a lamp light intensity control circuit that controls the light intensity of the light source (lamp) 3001; and 3051 is a lamp holding member 3017 that adjusts the position of the light source 3001. This is the lamp position driving source.

3052 is a timing generator that generates a timing signal (clock) based on the control of the controller 3039; 3053 is a bus that connects each of the above-mentioned control units and processing circuits with the controller 3039; 3054 is a data line for the output device; 3055 is an output Synchronization signal line for equipment,
and 3056 are communication lines.

Next, the operation of each part in FIG. 7 will be explained.

The light source 3001 is a light source such as a halogen lamp, and the light emitted from the light source 3001 is passed through a heat absorption filter 30.
02 and an illumination optical system 3003 to illuminate a transparent original such as 35III+ photographic film placed on a film holder 3006. The image of the transparent original is transformed into
Through the projection lens 3011 and mirrors 3012 and 3013 onto the screen 3014, or ■ Through the mirror 3009 and the imaging lens 3010 to the CC
It is projected onto D line sensors 3061-3063.

In the case of the above-mentioned mode (■), the CCD line sensors 3G, 6L to 3063 are connected to the timing generator 30.
Each CCD is driven synchronously by 52 clocks.
The output signal of the line sensor is input to an analog circuit 3025.

The analog circuit 3025 is composed of an amplifier and an A/D converter, and converts the signal amplified by the amplifier into the A/D converter in synchronization with the timing clock for A/D conversion output from the timing generator 3052. ^/D conversion.

Next, RlG, B output from the analog circuit 3025
A dark processing circuit 3027 applies dark signal level correction to each digital signal, a shading correction circuit 3028 performs shading correction in the main scanning direction, and a pixel deviation correction circuit 3059 corrects pixel deviation in the main scanning direction. , for example, by shifting the write timing of a FIFD (first-in, first-out) buffer.

Next, in the color conversion circuit 3030, the CCD line sensor 3
You can perform color correction on the color separation optical system of 061 to 3063, or convert R, G, and B signals to Y (yellow) 1M depending on the output device.
(magenta), C (cyan), Y
, I, and Q color signals. In the next lookup table 3031, the luminance linear signal is converted to LOG or arbitrary γ by looking up the table.

Reference numerals 3032 to 3037 constitute image processing circuits for outputting images in four colors of Y, M, C, and B (black), which are mainly used in printers such as color laser copying machines. Here, a minimum value detection circuit 3032, a masking circuit 3034, a lookup table 3033, and an OC
The combination of the R circuit 3035 performs printer masking and 111;R (undercolor removal).

Next, the density conversion circuit 3036 performs table conversion of each density signal, and the scaling processing circuit 3037 roughly performs scaling processing in the main scanning direction.
M', C', BK' signals to interface circuit 3
038 to the printer of the output device. Therefore,
The interface circuit 3038 includes a data line 3054 and a synchronization signal line 3055 for the output device, for example, R52.
A control command communication line such as 32C is connected.
Communication jl again! 3056 to a general computer (
For example, it is also possible to communicate with a personal computer.

On the other hand, the lamp position driving source 3051 is the lamp 305 as a light source.
This is for adjusting the position of the lamp 3001 when converting one irradiation, and the lamp 3001 is positioned manually or automatically in accordance with manual key operation on the operation unit 3041. The lamp light amount control section 3050 and the lens diaphragm control section 3043 are the CCD line sensors 3061 to 306.
3. Adjust the amount of light received by the image projected onto the screen. Further, the mirror drive unit 3045 controls the movable mirror 3008 to perform optical path conversion for switching between guiding the image of the transparent original to the screen 3o14 and guiding it to the CCD line sensors 3061 to 3083.

In the case of mode (3) in which the image of the transparent original is projected onto the screen 3014, the trimming display 3o15 displays the trimming area by the trimming frame display control unit 3046 in order to instruct trimming of the image displayed on the screen 3014. #J#L, the touch panel control unit 3047 controls the touch panel 3016 for manually trimming the trimming area.

Further, the lens distance ring control unit 3084 controls the imaging lens 3
010 distance ring, CCD line sensor 30
The images projected onto the screens 61 to 3063 and the screen 3014 are focused. The adjustment signal generation source 3026 generates a signal to be input as a standard signal when adjusting the analog circuit 3025.

Figures 8, 9 and 10 show the structure of another embodiment 2 of the present invention.

In the first embodiment described above, it was determined based on the code of the connect signal 2 which type of optional device is set. In this case, as the types of optional devices increase, the number of bits of the connect signal 2 also increases, and therefore the board and connector 402 in the optional devices also become larger to some extent. However, increasing the number of connectors is not desirable because space within the optional device is limited and often insufficient.

Therefore, in the second embodiment, a protrusion 401 is provided on the optional device side where the optional device and the main device come into contact, and a switch 403 for detecting the protrusion 401 is provided on the main device side.
has been established. In this case, for example, two protrusions 401 are provided for the magazine 3080, one protrusion 401 is provided for the autoloader 102, and one protrusion 401 is provided for the autochanger 102.
By providing one protrusion 401 on the other side for 01, the circuit can be configured so that the switch 403 shows a low level when it is on and a high level when it is off, as shown in FIG. 4 can obtain a code signal with the same result as shown in FIG. 3 to determine the type of optional device, and can perform the same control operation as shown in FIG. 6.

In this example, if the number of optional devices increases further, the number of protrusions 401 and switches 403 may be increased. For example, if there are 4 to 7 types of optional devices, the protrusions 401 and switches 403 may be If there are 8 to 15 optional devices, four protrusions 401 and four switches 403 are required.

Conversely, as shown in FIG. 1O, a hole 405 is provided on the optional device side, and a switch 404 with a protrusion is provided on the main device side corresponding to the position of this hole 405.
Of course, it is possible to operate in the same manner as in the case of FIGS. 8 and 9.

Figures 1 to 14 show the configuration of another embodiment 3 of the present invention. In Figure 11, 501 is an autoloader 10.
A pair of LEDs (light emitting diodes) serve as a light source for detecting the type of optional device such as 2, and 502 is a pair of phototransistors that receive light from the LED 501. These LEDs 5 old and phototransistors 5
02 is provided on the main device side at the image reading set position, and these two pairs of transmission type photosensors 501 and 502
For example, the magazine 3080 has no holes at all, the autoloader 102 has one hole through which one light passes, and the autochanger 10
1 has one hole, and the other is formed so that light can pass through.

FIG. 12 shows the circuit configuration of the photosensors 501 and 502, and when the light from the LED 501 reaches the phototransistor 502, the row signal input to the control unit 4 becomes low level. Therefore, the logic code is reversed from the above-mentioned embodiment 1.2, and as shown in the explanatory diagram in FIG.
11” is a magazine 3080, “10” is an autoloader
102 and 'O1' are determined to be the autochanger 101, and when no optional equipment is set, there is nothing blocking the light, so both phototransistors 502 are turned on, and the sensor signal becomes "00". .

Furthermore, as shown in FIGS. 13 and 14, the type of optional device can be determined using a reflective photointerrupter 503. In this case, a mark code indicating the type of the optional device is formed by attaching or not attaching a reflective mark that easily reflects light to the surface of the optional device that corresponds to the optical path of the photointerrupter 503,
The light emitted from the LED 5Q4 is applied to the mark and the reflected light is detected by the phototransistor 505. This is input to the control unit 4, and based on the difference in reflectance, it is determined whether the phototransistor 505 is ON or OFF. Similarly to FIGS. 11 and 12, the type of optional device can be determined by the control unit 4.

[Effects of the Invention] As explained above, according to the present invention, when one of the various setting devices (optional devices) is installed at a predetermined image reading position, the determining means of the main device can determine what kind of setting device it is. Based on the detection signal of the code detection means, the control means automatically executes sequence control in an operation mode suited to the type of each setting device. The user does not have to make troublesome operation mode settings each time the setting device is attached, resulting in an effect that is extremely easy to use.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the basic configuration of an embodiment of the present invention, FIG. 2 is a schematic diagram showing a schematic configuration of embodiment 1 of the present invention, and FIG. 3 is the code of the connect signal shown in FIG. FIG. 4 is a perspective view showing the external appearance of an autochanger applicable to the embodiment of the present invention, and FIG. 5 is an explanatory diagram showing the relationship between types of optional devices. FIG. FIG. 6 is a flowchart showing the control operation procedure of Embodiment 1 of the present invention; FIG. 7 is a block diagram showing the overall device configuration of Embodiment 1 of the present invention; FIG. 8 is , a perspective view showing the configuration of an optional device according to Embodiment 2 of the present invention, FIG. 9 is a schematic diagram showing a cross section of a main part and a circuit as seen from the direction of the arrow in FIG. 8, and FIG. 1θ is an embodiment of the present invention. 11 is a perspective view showing a schematic configuration of Embodiment 3 of the present invention; FIG. 12 is a circuit diagram showing the circuit configuration of the photosensor in FIG. 11; FIG. , a perspective view showing a modification of the third embodiment of the present invention, FIG. 14 is a schematic diagram showing the action of the photointerrupter of FIG. 13, and FIG. FIG. 2 is an explanatory diagram showing the relationship between types of optional devices. DESCRIPTION OF SYMBOLS 1... Connector, 2... Connect signal, 3... Image reading position (set position), 4... Control unit, 5... Sensor motor driver, 6... Information, 101... Autochanger 102... Autoloader 401... Protrusion, 402... Connector, 403... Switch, 404... Switch, 405... Hole, 501... Light source (LED), 502... Phototransistor, 503... Photointerrupter, 3006... Film carrier, 3007... Window section, 3039... Controller, 3061-3063... CCD line sensor, 308
0... Macazine. Figure 1 211! I Figure 3 Figure 4 Figure 5 Figure 8 Figure 9 Figure 11 Figure 12 Figure 15 Figure 14

Claims (1)

[Scope of Claims] 1) A plurality of types of setting devices for setting a subject at a predetermined image reading position, an imaging means for reading the subject, and a type of setting device provided in the setting device; a code section having a code representing the code; a code detection means for detecting the code of the code section when one of the setting devices is set; An image characterized by comprising: a determination means for determining the type of the setting device that is present; and a control means for controlling an operation mode of image reading processing of the subject to be changed according to the type determined by the determination means. reading device. 2) The image reading device according to claim 1, wherein the code portion includes at least one of a connector, a protrusion, a hole, and a mark.