JPH0633460Y2 - Image processing device - Google Patents

Description

[Detailed description of the device]

The present invention has a function of projecting a projected original on a screen like an overhead projector and a function of forming an image of the original on a sheet or a transparent sheet like a copying machine. The present invention relates to an image processing device that enables creation and projection of a projected original.

[Prior art]

Conventional overhead projector (hereinafter referred to as OHP)
There are known two types, a transmission type and a reflection type. The former transmissive type is one in which a projection original is illuminated from the lower surface of the original placing table, and an image of the projection original is projected on a screen through a projection lens and a reflection mirror arranged above the upper surface of the original placing table. Is. In the reflection type, the projection original placed on the reflection type Fresnel lens is illuminated from the upper surface, and the reflection image of the projection original is displayed on the screen through the projection lens and the reflection mirror arranged above the Fresnel lens. It is to project. And as the projection original used for the above-mentioned OHP, figures, characters, etc., apart from simple originals that can be created by handwriting directly on a transparent sheet with a colored pen, etc., usually using an electrophotographic copying machine, etc. It is created by copying the required image on a transparent sheet. Therefore, it is necessary to prepare a projection manuscript in advance when conducting a lesson or an explanation using OHP at a school, various explanation venues, conference rooms, and the like. For this reason, even in a situation where it is suddenly desired to project an unprepared document as a projection document during explanation or during a meeting, the projection document cannot be created and cannot be projected without a copying machine nearby. Therefore, conventionally, an image processing apparatus has been proposed which has both functions of an OHP and a copying machine, and a projection original used for the OHP can be obtained by copying using the copying machine. Such an apparatus has a built-in built-in projection unit set on the top of the light collector, with the original table on the main body of the apparatus moved during copying, and the original table moved from above the light collector placed on the top of the apparatus main body during projection. There is one in which a condenser plate is illuminated from an illumination lamp and the reflected light is made incident on a projection unit.

[Problems to be solved by the device]

In the image processing apparatus having such a configuration, the apparatus is made compact by accommodating the roll paper for copying under the light collecting plate, but it is necessary to open the light collecting plate when replenishing the roll paper or performing maintenance. It was However, for the convenience of working on the light collecting plate, various dusts and clips are placed, and when the light collecting plate is opened, the light collecting plate accidentally jumps into the main body of the device and adversely affects internal parts and wiring. There was a drawback that it would end up. Therefore, the present invention attaches a falling object storage case to the rotating shaft side that opens and closes the reflection type light collector, and automatically stores even if various dust, clips, etc. fall from the reflection type light collector when opened.
An object of the present invention is to provide an image processing device capable of preventing the above danger.

[Means for solving problems]

That is, the image processing apparatus of the present invention comprises an input section for inputting an image of an original, a reflection type light condensing plate which is arranged in parallel with the input section and which can be opened and closed about a rotation axis and on which a projection original is set.
An image forming unit that is provided below the reflection type light collecting plate and forms an image input from the input unit on a sheet, and is set on the reflection type light collecting plate while being supported on the reflection type light collecting plate. A projection unit for projecting the image of the projected original document, and a falling object storage case is provided in a portion corresponding to a gap formed when the reflection type light collecting plate on the rotation axis side of the reflection type light collecting plate is opened and closed. It is characterized by being attached. Another feature is that the falling object storage case can be taken out when the reflection type light collecting plate is opened so that the falling object can be discarded.

【Example】

An embodiment of the image processing apparatus of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 to 4, an apparatus main body 1 having an image forming function capable of creating a projected original by copying or the like includes an original table 2 movably mounted on an upper portion of the apparatus main body 1, and an original. An image input section for inputting the image of, for example, a reading section 3 provided on the upper surface of the apparatus main body 1 for scanning the original on the original table 2. Reference numeral 4 denotes a mechanism for forming an image, such as a printing mechanism, which is built in the apparatus main body 1. Further, the apparatus body 1 is provided with a reflection type light collecting plate 5 arranged in parallel on the upper surface of the reading unit 3 and a projection unit 6 attached to the side surface of the apparatus body 1 and supported on the upper surface of the light collecting plate 5. ing. The above-mentioned image forming function of the apparatus main body 1, for example, a copying function, is built in the apparatus main body 1, an original table 2 movably mounted on the upper portion thereof, a reading unit 3 installed on the upper surface of the apparatus main body 1 for scanning an original. This is achieved by the printing mechanism 4. The printing mechanism 4 includes a printing unit, an automatic feeding unit for the roll paper stored in the apparatus main body 1, a manual sheet feeding unit, and a sheet discharging unit. That is, as shown in FIGS. 3 and 4, the platen 12 driven by the motor includes printing means, for example, a thermal head 13, a paper feed roller 14 closely attached to the lower portion thereof, and a discharge roller closely attached to the upper portion thereof. Paper roller
15 and are attached. And the paper guide is in the paper feed port A.
16, 17 are provided above and below the platen 12, and a paper guide 18 for inverting the paper is provided around the platen 12, and a paper exit B
A paper guide 19 is provided to face the paper guide 16. The paper feed port A and the paper ejection port B are formed above and below the same side end of the apparatus main body 1, and are closed when not in use by a member composed of a paper feed tray 21 rotatably mounted around a shaft 91. When used, the paper feed tray 21 is tilted and opened. A paper guide 23 also serving as a tray for the roll paper 22 is provided in the apparatus main body 1, and the roll paper 22 is fed to the paper discharge rollers 15 via the platen 12. Further, a document table 2 movably mounted on the upper part of the apparatus body 1.
Is provided with a transparent plate 24 such as glass for supporting the document 25, one end side of which is supported by a support shaft (not shown) on the transparent plate 24, and the other end side is opened and closed vertically about this support shaft. Along with the manuscript cover 26 that is attached so as to be free, it is driven by the motor from the light collecting plate 5 side to the reading unit 3 side. The reading unit 3 which is provided on the upper surface of the apparatus main body 1 and scans a document on the document table 2 includes a contact image sensor 132 and the like. When the reading unit 3 starts reading, the document table 2 moves at a constant speed, and the document illuminated by the light source 131 through the transparent plate 24 is condensed through the condensing lens array 133 onto the contact image sensor 132 that scans at regular intervals. As a result,
Reading is performed at regular intervals in the sub-scanning direction. The read data for each line is digitally processed by the control device 134 bit by bit in the main scanning direction and binarized. Next, on the upper surface of the apparatus main body 1, a reflective condensing plate 5 is arranged in parallel on the reading section 3. The reflection type light collecting plate 5 is usually composed of a Fresnel lens 27 and a reflection layer 28 formed of a metal vapor deposition layer formed on the back surface of the Fresnel lens 27, and is housed and held in a main body top cover 29. Further, as shown in FIG. 4, one end of the main body top cover 29 is pivotally attached to the apparatus main body 1 and can be opened and closed. The printing mechanism 4 is built in the apparatus body 1 below the light collector 5. Although the printing mechanism 4 for printing with the thermal head 13 is shown as the image forming mechanism in this embodiment, it may be an image forming mechanism such as an electronic copying machine or a laser printer. The main body upper surface cover 29 is pivotally attached to the main body 1 of the apparatus by a rotary shaft 201 at the end on the side where the document table 2 is retracted, and a fallen object storage case 203 is provided in a space provided along the rotary shaft 201. Is attached. This falling object storage case 203 is provided with a horizontal plate 205 for covering the wiring cords inside the apparatus main body 1 as shown in FIGS. 5 and 6, and a vertical plate 207 suspended from the horizontal plate 205, and a lower end of the vertical plate 207. It is provided with a container part 209 provided. twenty one
Reference numeral 1 is a retaining pin protruding at both ends in the length direction, and is located at the tip of an elastic arm 213 provided downward from the horizontal plate 205. The falling object storage case 203 is formed by removing the pin 211 from the apparatus main body 1 while elastically deforming the elastic arm 213.
It can be taken out easily. The projection unit 6 supported on the upper part of the light collector 5 is pivotally attached to the side surface of the apparatus body 1 via an arm 7 so as to swing freely.
When the image forming function of the apparatus body 1 is used, the apparatus body 1 can be folded down and stored in the side portion of the apparatus body 1. Next, the operation of the image processing apparatus of the present invention will be described. First, when utilizing the image forming function of the device of the present invention,
When the original cover 26 is opened, the copy original is placed on the transparent plate 24 so that the image surface faces the transparent plate 24, the original cover 26 is closed, and the copy switch provided on the operation panel 34 is pressed to copy. The operation is started. Therefore, by supplying a projection sheet for heat-sensitive color development, heat-transfer, etc., instead of the heat-sensitive paper for copying, to the paper feed section of the apparatus main body 1, it is possible to instantly obtain a projection original for OHP from the copy original. In the case of manual paper feeding, the paper feed tray 21 is tilted down to feed the paper from the paper feed opening A, and printing is performed between the paper feed roller 14 and the platen 12. Paper guide for roll paper
23 is directly supplied between the platen 12 and the paper discharge roller 15 for printing. When the image processing apparatus of the present invention is used as an OHP, the document table 2 is moved from above the reflection type light collecting plate 5 made of a Fresnel lens attached to the upper surface of the apparatus body 1 and placed on the light collecting plate 5. Place the projection original and press the lamp switch provided on the operation panel 34. Then, an illumination lamp irradiates the projection original document, and the irradiation light impinges on the condenser plate 5 and is reflected, and the reflected light reaches the screen through the projection lens and the reflection mirror 32 in the projection unit 6, and the image of the projection original document is obtained. Is projected. During the above operation, when replenishment or maintenance of roll paper is required, the light collector 5 is opened and the initial work is performed. Even if various dusts, clips, and the like slide down on the light collector 5 due to the opening of the light collector 5 and jump into the apparatus body 1, all of them are accommodated in the fallen object storage case 203.

[Effects of the embodiment]

According to the embodiment described above, since the falling object storage case 203 is attached along the rotary shaft 201 of the light collector 5, when the light collector 5 is opened, there is dust or a clip on the light collector 5. These also slide down on the light collector 5 and fallen object storage case
It is housed in 203 and does not adversely affect the parts and wiring inside the device body 1. Further, since the fallen object storage case 203 is detachably attached to the apparatus main body 1, even when the vicinity of the fallen object storage case 203 is required, the fallen object storage case is required.
You can remove 203 and work easily.

[Effect of device]

As described above, the image processing apparatus of the present invention ensures that the fallen object storage case can be reliably opened even when various dusts, clips, etc. on the reflection type light collecting plate jump into the apparatus body when the openable reflection type light collecting plate is opened. Since scattering is prevented, it does not adversely affect the parts and wiring inside the device body.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, an overall explanatory view when used as an OHP, FIG. 2 is a perspective view in which each part is stored in a predetermined position, and FIG. 3 is a schematic view when used as an OHP. Sectional view, FIG. 4 is a schematic sectional view with the light collector opened, FIG.
FIG. 6 is a front view of the falling object storage case, and FIG. 6 is a side view thereof. DESCRIPTION OF SYMBOLS 1 ... Device main body, 2 ... Original platen 3 ... Reading part, 4 ... Printing mechanism 5 ... Light collector, 6 ... Projector 201 ... Rotating shaft 203 ... Falling object storage case 205 ... Horizontal plate, 207 ... Vertical plate 209 ... Container Part, 211… Prevention pin 213… Elastic arm

Front page continued (72) Inventor Toshihiko Hirose 3167 Yamamiya-cho, Kofu-shi, Yamanashi Japan Precision Engineering Co., Ltd. (72) Takashi Kakita 3167 Yamamiya-cho, Kofu-shi, Yamanashi Nippon Precision Engineering Co., Ltd. ( 72) Inventor Hiroshi Saito 3167 Yamamiya-cho, Kofu-shi, Yamanashi Japan Precision Engineering Co., Ltd. (72) Masataka Oshima 3167 Yamamiya-cho, Kofu-shi, Yamanashi Japan Precision Engineering Co., Ltd. (72) Inventor Eiji Nakazawa 3167 Yamamiya-cho, Kofu City, Yamanashi Pref., Japan Precision Engineering Co., Ltd.

Claims (2)

[Scope of utility model registration request] 1. An input unit for inputting an image of a document, a reflection type light condensing plate which is arranged in parallel with the input unit and which can be opened and closed about a rotation axis and on which a projection document is set, and the reflection type light condensing plate. And an image forming section for forming an image input from the input section on a sheet on the sheet, and the projection original set on the reflection type light collecting plate in a state of being supported on the reflection type light collecting plate. And a projecting unit for projecting the image, and a falling object storage case is attached to a portion of the reflection type light condensing plate corresponding to a gap formed when the reflection type light condensing plate is opened / closed. Image processing device. 2. The image processing apparatus according to claim 1, wherein the falling object storage case can be taken out when the reflection type light collecting plate is opened.