JPS62172334A - Information retrieving and projecting device - Google Patents

Abstract

PURPOSE:To reduce the size of a device and to obtain superior maneuverability by projecting operating information to a screen, inputting the operating information from an input panel formed on the screen and then projecting a required image frame to the screen. CONSTITUTION:When a power supply switch is turned on, a CPU31 displays a selecting menu stored in a RAM33 on a liquid crystal display unit 11 and a lamp 12 is turned on in accordance with a program stored in a ROM32. These operating information is projected on the screen and a required display is depressed on the screen, the coordinates are inputted to the CPU31 and the depressed position of the panel 21 is discriminated by successively scanning a switching circuit 30. When the format of a microfish is selected, the frame arrangement motors M-X, M-Y by prescribed rotational frequency through a motor driving circuit 33, and after ending the image frame positioning of the microfish, the lamp 12 is turned off and a lamp 1 is turned on. Thus, a required image frame is projected on the screen.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to information retrieval projection type devices such as microfilm readers and microfilm reader printers.

(Conventional technology) Conventionally, this type of device is shown in FIG.

A screen 100 for enlarging and projecting image frames of a card-like film such as microfiche, and a keyboard 101 for searching image frames of a card-like film are separately provided. However, the above keyboard lot
A desired image frame is specified by operating , and the image frame is enlarged and projected onto the screen 100 to read the image.

(Problem to be Solved by the Invention) However, in the case of such prior art, the screen 100 for projecting one image frame and the keyboard 101 for searching the image frame are separately arranged. , the device has become larger, and after specifying the image frame to be searched for by looking at the + - board 101, it is possible to visually check the image projected on the screen 100 to confirm whether or not the desired image frame is projected. However, there was a problem in that the operability was poor.

Therefore, the present invention has been made in order to solve the problems of the prior art described in (1).The purpose of the present invention is to provide an information retrieval projection device that can be miniaturized and improve operability. It is in.

(Four Steps to Solve the Problems) In order to achieve the above object, the present invention provides a projection means for projecting image frames of an information recording medium onto a screen, and a transport means for transporting the information recording medium. , an operation information projection means for projecting operation information onto the screen; an input panel disposed on the screen and specifying the operation information projected on the screen; The apparatus is configured to include a control means for performing control accordingly.

(Function) In the present invention, first, operation information is projected onto a screen, and after inputting the operation information from an input panel provided on the screen, a desired image frame is projected onto the screen.

(Example) The present invention will be explained below based on illustrated embodiments.

FIG. 2 is an external view showing a microfilm reader as an embodiment of the information retrieval projection device according to the present invention. In FIG. 0, 20 is the reader main body, 10 is a screen,
21 is a touch panel as an input panel disposed in front of the screen 10, and 22 is a carrier as a transport means for transporting microfiche as an information recording medium.

FIG. 1 is a schematic diagram showing the projection optical system of the above-mentioned reader printer. In FIG. The light is then irradiated via the condenser lens 4 onto the microfiche F held between a pair of glass plates 5 and 6. The image light transmitted through the microfiche F is projected onto a screen 10 via a projection lens 7 and mirrors 8 and 9. As shown in FIG. 7, the microfiche F has a large number of image frames f arranged two-dimensionally.

In this embodiment, an operation information projection means for projecting operation information onto the projection optical system is further provided. That is, 1
1 is a liquid crystal display for displaying operation information of the apparatus; 12 is an illumination lamp for illuminating the liquid crystal display 11; 13 is a condenser lens; 14 is a projection lens; and 15 is a reflector.

Next, a touch panel 21 is provided on the outside of the screen 10, and this touch panel 21 is shown in FIG. 4(A).
, As shown in (B), two transparent panels 85 on which strip-shaped conductive members 83 are vapor-deposited in parallel at equal intervals are formed so that the conductive members 83 face each other on the inside and in a lattice shape. That's how it is. A spacer 84 is disposed between the two transparent panels 85 at the center of a square partitioned by a conductive member 83 so that the conductive members 83 deposited on opposing boards do not come into contact with each other. .

In the above configuration, when a point on the touch panel 21 is pressed with a pen or the like, one transparent panel 85 deforms and contacts the other transparent panel 85, thereby extending in the X direction closest to the point pressed with the pen or the like. When the conductive member 83 and the conductive member 83 extending in the Y direction come into contact with each other, a current flows, and the distance in the X and Y directions from a certain reference point at a point pressed with a pen or the like can be detected. still.

The details of the mechanism of the touch panel 21 are well known and will therefore be omitted. Further, any structure other than the touch panel 80 described above may be used as long as the distance of the point from the reference point in the X and Y directions can be detected by inputting a point.

Further, FIG. 5 shows a device for two-dimensionally moving the carrier 22 shown in FIG. 1 in the X and Y directions. In the same figure, 50 is a substrate, and the substrate 50 has left and right side walls 50a and 50b. A screw rod 51 is installed horizontally between the rear end portions of the left and right side walls 50a, 50b, and a guide rail 52 is installed horizontally in parallel with the screw rod 51 between the front end portions of the left and right side walls 50a, 5Qb. . 53 is a rectangular first frame whose one end is screwed into the screw rod 51 and the other end is slidably supported by the guide rail 52;
M-X is an X-direction drive motor such as a pulse motor that drives the screw rod 51 in forward and reverse directions.

Reference numeral 54 denotes a screw rod for the front-rear direction (Y direction) that is rotatably hung horizontally toward the left frame side between the back horizontal frame side 53a and the front side horizontal frame side 53b of the first frame body 53, and 55 similarly A guide rail 5 installed near the right frame side and suspended horizontally parallel to the threaded rod 54.
6 is a second frame whose left side is screwed and supported by the screw rod 54, and whose right side is slidably supported by the guide rail 55; M-Y is Y such as a pulse motor that drives the screw rod 54 in forward and reverse directions; It is a directional drive motor and is attached to the rear horizontal frame side 53a of the first frame 53. F is the microfish F, which is held between a lower transparent plate G2 fixed to the rectangular second frame 56 and an upper transparent plate G1 that can be opened and closed with respect to the lower transparent plate G2. has been done.

In Figure 3, which is a block diagram showing the control system,
21 is the touch panel, and 30 is by sequentially scanning the output of the touch panel 21.

A switching circuit detects a pressed position on the touch panel 21; 31 is a CPU serving as a control means for controlling the operation of each part based on programs stored in a ROM 32 and a RAM 33; 11 is the liquid crystal display; 32 is a lamp 1
, 12, and 33 is a motor drive circuit that drives motors MX and MY. In this configuration, when an image frame to be searched for is specified from the touch panel 21, the CPU 31
The rotation angles of pulse motors M-X and MY corresponding to the movement angle of X are calculated.

The pulse motors M-X and M-Y of X and Y are driven through the motor drive circuit 62 of Y, thereby driving the first and second pulse motors M-X and M-Y.
The frames 53 and 56, that is, the carrier 22, are controlled to move in the x and Y directions, respectively, and a designated frame image within the plane of the microfiche F held between the transparent plates Gl and G2 is automatically searched directly under the lens 7. Positioned.

In the above configuration, the information retrieval projection apparatus according to this embodiment operates as follows. That is, when the power switch (not shown) is turned on, the CPU 31 displays the selection menu necessary for the initial operation stored in the RAM 33 according to the program in the ROM 32 on the liquid crystal display 11, and the lamp 12 is turned on.
lights up. This menu includes, for example, the selection of a format determined by the reduction ratio of the microfiche, the number of frames, etc. The operation information is projected onto the screen 10, and the operator displays the desired display on the screen 10.
If you press the button above, the coordinates will be sent to the CPU on the touch panel 21.
31. The pressed position of the touch panel 21 is determined by sequentially scanning the switching circuit 30 using a signal from the CPU 31.

When the microfiche format is selected in this manner, the CPU 31 displays the frame arrangement diagram of the selected format on the liquid crystal display 11. When the operator presses the desired frame position on the frame arrangement diagram projected on the screen 10, the coordinates are input to the CPU 31 via the touch panel 21.Next, the CPU 31 moves the selected microfiche image frame to the projection position. to position it.

Motor M-X via motor drive circuit 33.

Rotate M-Y by the required number of revolutions. After the positioning of the image frame f on the microfiche F is completed, the CPU 31
The lamp 12 is turned off and the lamp 1 is turned on (8).As a result, the desired image frame f is projected onto the screen 10.

FIG. 6 is a flowchart showing the above operation.

In the illustrated embodiment, the operating information projection means is a combination of a liquid crystal display board and a lamp, but the invention is not limited to this, and a CRT display or L
Operation information may be displayed using an ED array or the like, and the displayed image may be projected onto a screen.

Further, in the illustrated embodiment, a case has been described in which the present invention is applied to a microfilm reader, but the -[ of the printer may also be applied to a microfilm reader printer or the like.

Further, in the embodiment described above, the format designation and the designation of the image frame to be searched for are performed separately, but they may be displayed simultaneously on the screen-1- for designation.

(Effects of the Invention) The present invention has the above configuration and operation, and can realize miniaturization of the device and excellent operability.

[Brief explanation of drawings]

FIG. 1 is a schematic sectional view showing the projection optical system of a microfilm reader as an embodiment of the information retrieval projection device according to the present invention, FIG. 2 is a perspective view of the same microfilm reader, and FIG. 3 is a control system. Block diagram showing FIG. 4 (A)
, (B) is a partial front view and side view showing the touch panel in the same embodiment, FIG. 5 is a perspective view showing the carrier in the same embodiment, and FIG. 6 is a flowchart showing the operation of the control system.
FIG. 7 is a plan view showing a microfiche, and FIG. 8 is a perspective view showing a conventional microfilm reader. Explanation of symbols 1... Lamp 7... Projection lens 10.
...Screen 11...LCD display base 12...
Lamp 14...Projection lens 21...Touch panel 22...Carrier 31...CPU Patent applicant Canon Co., Ltd. ・'"ij Agent Patent attorney Yoshikazu Shin"□ Agent Patent attorney
Back 1) Kiyuki/Chi, 1" Figure 1 Figure 3

Claims (1)

[Claims] a projection means for projecting image frames of an information recording medium onto a screen; a transport means for transporting the information recording medium; an operation information projection means for projecting operation information onto the screen; An information retrieval projection device comprising: an input panel for specifying operation information projected on the screen; and a control means for controlling according to the operation information specified by the input panel.