JPH10145562A - Document image data reader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reader improved in reliability in electric connection, firm in structure and excellent in operability without enlarging its size by providing a sensor block for reading image data in an original with an auto-mode sensor and a handy-mode sensor on the surface opposed to a roller block and on its opposite surface respectively. SOLUTION: A connector 40 is respectively connected to a handy-mode sensor unit 12 and an auto-mode sensor unit 11 by FPCs 42 and 43. Then, a signal from a circuit substrate 38 and a power source are transmitted to a sensor block 10 side and the signal from the sensor block 10 side is received. A paper sensor 44 detecting presence or absence of original insertion is provided at a roller block 30 side. In a document image data reading device 1, the sensor block 10 and the roller block 30 are used without separation at the time of usage in handy-mode or auto-mode in order to integrally storing the sensor block 10 and the roller block 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document image data reading apparatus for reading document image data of a document such as a document or a figure, and more particularly, to an automatic mode capable of automatically feeding a document, And a document image data reading apparatus having two modes of a handy mode for manually scanning the apparatus.

[0002]

2. Description of the Related Art In recent years, document image data reading apparatuses widely used in facsimile machines and the like include, in particular, an original moving type (auto mode) and an original stationary type (handy mode).
Japanese Patent Application Laid-Open No. 3-167958 discloses a portable document image data reading apparatus which makes it easy to switch the functions between the two.
The publication discloses the technique. The outline will be described below with reference to FIGS.

FIG. 5 is a perspective view of a document image data reading apparatus showing a state of use in a conventional auto mode, and FIG. 6 shows a state of use in a handy mode. FIG.
In FIG. 6 and FIG. 6, reference numeral 60 denotes a document image data reading device. I have. The sensor block 10 has a built-in sensor unit 62 for reading image data of the document 2, and the roller block 30 has a driving roller 31 for moving the document 2 and a motor 3 for driving the driving roller 31.
2 are built-in. The lock 63 is a lock member that couples and holds the sensor block 10 and the roller block 30 in a use state when the apparatus is used in a handy mode.

The operation of the above configuration will be briefly described. In the use state in the auto mode shown in FIG. 5, the sensor unit 62 and the driving roller 31 are in a state where they can face each other and can come into contact with each other. 2 moves to read the document image data on the document surface. The sensor unit 62 includes a linear light source such as a large number of LEDs (not shown), a condenser lens, and a line sensor for reading reflected light from the document surface. 2.

FIG. 6 shows a state in which the sensor unit 62 and the roller block 30 are used in a handy mode.
Are substantially on the same plane, and the reading surface of the sensor unit 62 contacts the surface of the original placed on a flat surface. In this use state, the apparatus 60 self-runs on the surface of the original 2 by the rotation of the drive roller 31 slightly projecting from the lower surface of the roller block 30, and reads the document image data.
The power source (not shown) is supplied from the outside by a cord, or employs a system suitable for self-propelled operation such as loading a rechargeable battery.

The lock 63 has a structure capable of not only a mechanical connection in the handy mode but also a connector for connection of a power supply and a signal line. A structure is used to connect the separated locks with a cable.

[0007]

However, the above-mentioned document image data reading apparatus has the following problems. That is, when used in the handy mode, the sensor block 10 and the roller block 30 are arranged in a state where they are open and both face the document surface, so that the planar size facing the document 2 increases. Therefore, when using in the handy mode, it is difficult for the operator to grasp by hand and the operability is extremely poor. Further, when the original 2 is read in the handy mode, there is a problem that an extra space for reading the original 2 is required for the area of the roller block 30 in the plane direction.

Further, in the structure in which the sensor block 10 and the roller block 30 are connected by the hinge 63, the two are separated from each other while rotating about the hinge 63, so that the electrical connection between the two lacks reliability. The connector was not suitable.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object the purpose of making it extremely easy to switch between an auto mode and a handy mode, to integrate a sensor block and a roller block, and to establish an electrical connection between the two. It improves reliability, does not increase the size of the apparatus in the planar direction, and does not require extra space for reading a document. In addition, the present invention provides a document image data reading apparatus which has excellent operability and is robust.

[0010]

In order to achieve the above object, a document image data reading apparatus according to the present invention has a structure in which a sensor block having reading means for reading image data on a document and a document are moved. A handy mode for reading document image data by manually moving a reading unit with respect to the document, and a driving mode for driving the driving roller and a roller block containing a motor for driving the driving roller. In a document image data reading apparatus having an automatic mode for reading document image data by automatically moving the reading means by a driving roller, the sensor block is automatically moved to a surface facing the roller block and a surface opposite to the roller block. A mode sensor and a handy mode sensor are provided. That.

Further, the present invention is characterized in that control means for independently setting the auto mode sensor and the handy mode sensor in an operating state are provided independently.

Further, the control means in the auto mode is a paper sensor for detecting the presence or absence of paper so as to activate the auto mode sensor, and in the handy mode, the control means operates the handy mode sensor. It is characterized in that the external operation member is in a state.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of a document image data reading apparatus according to the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the present invention. FIG. 1 is a perspective view showing a use state of a document image data reading apparatus in an auto mode, and FIG. 2 is a perspective view showing a use state in a handy mode. 3 is a cross-sectional view of a main part of the document image data reading device, and FIG. 4 is a cross-sectional view of a main part of the paper sensor of FIG.
In the drawings, the same members as those of the prior art are denoted by the same reference numerals.

1 to 4, the configuration of the document image data reading device will be described. Reference numeral 1 denotes a document image data reading device which includes a sensor block 10 having means for reading image data on a document surface, and a roller block 30 containing a motor 32 for driving a driving roller 31 for moving the document 2. It is possible to select between two use states, an auto mode shown in FIG. 1 and a handy mode shown in FIG. The sensor block 10
The automatic mode sensor unit 11 is disposed on the surface facing the roller block 30, and the handy mode sensor unit 12 is disposed on the opposite surface.

Control means for independently operating the auto mode sensor unit 11 and the handy mode sensor unit 12 are provided independently. Reference numeral 33 denotes a paper sensor, which is a control means in the auto mode, and detects the presence or absence of the document 2 and sets the auto mode sensor unit 11 to an operating state. Reference numeral 3 denotes a reading operation button which is an external operation member. The control means in the handy mode turns on the handy mode sensor unit 12 while the reading operation button 3 is pressed. Therefore, the switching between the auto mode and the handy mode can be performed without disconnecting the sensor block 10 and the roller block 30 as they are. Note that a foot rubber 34 is provided on the installation surface of the roller block 30 to prevent the device from slipping and facilitate the insertion of the document 2. An external cable 35 receives power supply from a personal computer via a connector and transmits and receives signals.

Referring to FIG. 3, the internal structure of the document image data reading device 1 will be described. The sensor block 10
On the side, the above-described auto mode sensor unit 11 and handy mode sensor unit 12 are disposed. Each of the two sensor units is configured to always press the document surface with two coil springs 13.
A roller 14a and a shaft 1 are provided on the sensor block 10 side of the handy mode sensor unit 12.
A guide roller 14 of 4b is provided. The guide roller 14 is used to detect the scanning speed of the apparatus with respect to the document 2 when used in the handy mode, and moves the apparatus while pressing the reading surface of the handy mode sensor unit 12 against the document 2 to perform reading. ,
At this time, the roller 14a also comes into contact with the document 2 and rotates. Fifteen
Is a rotary encoder that detects the rotation speed of the roller 14a. The rotary encoder 15 includes a photo interrupter 15a and fins 15b, and the fins 15b are configured to rotate as the gears 16 and 17 rotate.

A drive roller 31 for automatically feeding the original 2 and a motor 32 for driving the drive roller 31 via gears 36 and 37 are provided on the roller block 30 side. . Reference numeral 38 denotes a circuit board provided with various control circuits and the like. Two connectors 39 and 40 are arranged on the circuit board 38.
5 is connected to the circuit board 38 via the connector 39. The other connector 40 is F
Handy mode sensor unit 12 and auto mode sensor unit 1 by PC 42 and FPC 43, respectively.
1 for transmitting a signal or power from the circuit board 38 to the sensor block 10 or receiving a signal from the sensor block 10. The roller block 30 has a paper sensor 33 for detecting whether or not the document 2 is inserted. Reference numeral 49 denotes an iron chassis which supports the components on the roller block 30 side.
The sensor block 10 and the roller block 30 are integrally stored in a case 50.

As described above, in the document image data reading apparatus 1, the sensor block 10 and the roller block 30 are electrically connected by the FPCs 42 and 43, and are stored integrally in the case 50. When used in the auto mode and the handy mode, the sensor block 10 and the roller block 30 can be used without being separated.

Each of the sensor units 11 and 12 comprises a linear light source composed of a number of LEDs (not shown) and a linear reading sensor (not shown) for reading reflected light from the document surface.

When the paper sensor 33 is used in the automatic mode, a paper-in sensor for recognizing that the document 2 has been inserted into the center portion and a paper end sensor for recognizing that the document 2 has been discharged, It has a role of a jam sensor for recognizing an error when the document 2 is not sent straight in the paper feed direction but sent obliquely.

In FIG. 4, the paper sensor 33 is a sensor for detecting insertion and ejection of the document 2 when used in the automatic mode, and includes a paper-in sensor 33A, a left jam sensor 33B, and a right jam sensor 33C. The paper-in sensor 33A has two detection levers 33A1 and a light-blocking lever 33A2, and is arranged to be swingable around a shaft 44. The light shielding lever 33A2 is connected to the connector 45.
The switching of the photo interrupter 47 fixed to the substrate 46 electrically connected to the circuit board 38 through the switching circuit is performed. When the document 2 is inserted, the detection lever 33A1 falls down due to the thickness of the document 2, the paper-in sensor 33A is rotated, and the light-blocking lever 33A2 turns on the photo interrupter 47. When the document 2 is discharged, the paper-in sensor 33
A returns to the original state by the spring 48, and turns off the photo interrupter 47 again. The insertion and ejection of the document 2 are detected as described above.

The left and right jam sensors 33B and 33C are sensors for detecting that the inserted document 2 has been sent out of the predetermined course, and the configuration thereof is the same as that of the paper-in sensor 33A. Is omitted.

The operation of the above configuration will be described. First, in the use state of the auto mode shown in FIG. 1, the document 2 is inserted between the auto mode sensor unit 11 and the drive roller 31 so that the paper sensor 33 is turned on.
The paper-in sensor 33A detects that the original 2 has been inserted, and automatically drives the original 2 to
Paper feed. The auto mode sensor unit 11 is constantly pressed toward the drive roller 31 by two coil springs 13, and the drive roller 31
It is easy to send.

The automatically fed original 2 is read by an auto mode sensor unit 11 composed of a number of LEDs. When the document 2 is normally fed and then discharged, the paper-in sensor 33A returns with the spring 48. Also, manuscript 2
The jam sensor 33 detects an error such as
B and 33C recognize.

Next, in the use state of the handy mode shown in FIG. 2, while the reading mode button 3 provided on the side surface of the sensor block 10 is being pressed while the auto mode is being maintained, the sensor block 10 is operated. Is moved while being pressed against the original 2. At this time, the guide roller 14 detects the scanning speed of the apparatus with respect to the document 2. The roller 14a of the guide roller 14 is in contact with the surface of the document 2 to facilitate smooth rotation. The rotational speed of the roller 14a is detected by the rotary encoder 15, and the read image data is controlled so as not to be distorted due to uneven scanning speed.

The electrical control of the document image data reading apparatus 1 is performed by a circuit board 38 provided with various control circuits. Further, the sensor block 10 and the roller block 3
The connection of the electric signal with 0 uses the FPCs 42 and 43 to transmit and receive the signal without using a male and female connector as generally performed conventionally.

[0027]

As described above, according to the present invention,
In the document image data reading device, the sensor block is provided with an auto mode sensor unit on the surface facing the roller block, and the handy mode sensor unit is provided on the opposite surface, and control means for operating each of them is independently provided. In addition, the sensor block and the roller block are integrally formed. Therefore, since both the auto mode and the handy mode can be used as they are, the operability of the apparatus is extremely excellent. Further, the plane size of the apparatus does not increase, and no extra space for reading the original is required. The device is compact and excellent in portability, and is robust because the device is integrated.

Further, since the electrical connection between the sensor block and the roller block is performed by transmitting and receiving signals by the FPC, the reliability of the device is extremely high.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state in an automatic mode of a document image data reading apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a use state in a handy mode of the document image data reading apparatus according to the embodiment of the present invention.

FIG. 3 is a sectional view of a main part of the document image data reading apparatus of FIG. 1;

FIG. 4 is a sectional view of a main part of the paper sensor of FIG. 3;

FIG. 5 is a perspective view showing a use state of a conventional document image data reading apparatus in an auto mode.

FIG. 6 is a perspective view showing a use state of a conventional document image data reading apparatus in a handy mode.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 document image data reading device 2 document 3 reading operation button 10 sensor block 11 sensor unit for auto mode 12 sensor unit for handy mode 14 guide roller 30 roller block 31 drive roller 32 motor 33 paper sensor 33A paper-in sensor 33B left jam sensor 33C right Jam sensor 35 Cable 38 Circuit board 41, 42, 43 FPC 49 Chassis

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomoshige Inuyama 6-11-12, Honcho, Tanashi-shi, Tokyo Inside the Tanashi Works of Citizen Watch Co., Ltd. (72) Inventor Toshiyuki Inage 6-1-1, Honcho, Tanashi-shi, Tokyo No. 12 Citizen Watch Co., Ltd. Tanashi Factory (72) Inventor Yasuhiro Hayashi 6-11-12 Honcho, Tanashi-shi, Tokyo Citizen Watch Co., Ltd. Tanashi Factory

Claims (3)

[Claims] A sensor block having reading means for reading image data on a document; a roller block containing a driving roller for moving the document and a motor for driving the driving roller; A document having a handy mode for reading document image data by manually moving a reading unit with respect to the document, and an automatic mode for reading document image data by automatically moving the document with respect to the reading unit by the driving roller. In the image data reading apparatus, the sensor block is provided with an auto mode sensor and a handy mode sensor on a surface facing the roller block and on a surface opposite to the roller block, respectively. 2. The document image data reading apparatus according to claim 1, wherein control means for independently setting the auto mode sensor and the handy mode sensor in an operation state is provided. 3. The control means in the auto mode is a paper sensor for detecting the presence or absence of paper so as to activate the auto mode sensor, and the control means in the handy mode operates the handy mode sensor. 3. The document image data reading device according to claim 2, wherein the external operation member is in a state.