JP2719645B2 - Document presentation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document presentation device,
More specifically, the present invention relates to a document presentation device capable of adjusting presentation conditions.

[0002]

2. Description of the Related Art There is a mounting table on which objects such as materials and samples are mounted. The mounting table is taken by a camera as an image pickup means provided above the table, and is output as a video signal to an external television, VTR, or the like. There is known a material presenting apparatus of this type which can set various presentation conditions. The main presentation conditions are switching of illumination, switching of input system, aperture (iris) condition, setting of black and white or color, imaging conditions such as color balance, but microphone can be connected and volume can be adjusted In a material presentation device,
The volume (amplification degree) and the like can also be considered as presentation conditions.
In addition, selection of a display destination when there are a plurality of display devices that display images, switching of input of image signals when there are a plurality of devices that input images, and the like may also be presentation conditions. In the document presentation device, by adjusting these presentation conditions,
An environment is provided in which an easy-to-view image according to the purpose is obtained or an effective presentation is performed.

[0003]

However, there is a problem that the usability is reduced as the imaging conditions are increased. Taking the switching of lighting as an example, if the material is ordinary paper or a sample, the lighting lamp provided diagonally above the table is turned on, and if the material is a radiographic film or slide, it is built into the table. The transmitted light lamp is turned on. The aperture, the color balance, and the like naturally differ depending on the subject. These are adjusted by operating the switches provided on the document presentation device, but even if they are adjusted for X-ray photographic film, if the power is turned off and restarted, the factory default settings will be used. It is normal to return to settings. Further, even if the power is not turned off, if another person changes to another imaging condition in order to present another material, the adjustment must be performed again.

[0004] The document presentation device of the present invention has been made to solve such a problem and to improve the usability of the document presentation device, and has the following configuration.

[0005]

According to a first aspect of the present invention, there is provided a document presenting apparatus including image pickup means for picking up an object such as a material, a sample, or the like placed on a mounting table. A material presentation device that outputs a signal to a display device and presents a material, comprising: a presentation condition adjusting unit configured to adjust a presentation condition of the material;
First storage means for storing the presentation condition set as the initial state;
The adjusted presentation condition by the presentation condition adjusting means,
When the power is turned off or by the user
The second to store when the storage switch is operated
Storage means, before the time of photographing the article at power up
For restoring the presentation conditions to the memorized presentation conditions
The first memory is stored in accordance with the operation state of the return switch.
Means for presenting the initial state stored in the means or the second
Any of the adjusted presentation conditions stored in the storage means
The present invention provides a presentation condition restoring means for selectively restoring a crab .

[0006]

The presentation device <br/> of the present invention configured as described above [action] is adjusted to each case by the presentation condition adjusting means
Presentation condition, when the switch for storing the power-off operation is operated by or used for user when he made is operated
Is stored in the second storage means . Also, present the materials
The presentation conditions that were set to the initial state upon the transfer are stored in the first storage unit.
It is remembered. And take a picture of the material when the power is turned on
The presentation condition depends on the operation status of the recovery switch.
The presentation condition recovery means adjusts the presentation condition in the initial state.
Alternately restores to one of the adjusted presentation conditions . Therefore, after turning on the power, adjustments must be made once before turning on the power.
Depending on the state of operation of the recovery switch according to the presented conditions,
It can be easily recovered.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to further clarify the structure and operation of the present invention described above, a preferred embodiment of a material presentation device according to the present invention will be described below with reference to the drawings. FIG. 1 is a schematic perspective view when the document presentation device 10 of the embodiment is used.

[0008] As shown in FIG.
The system includes a material table 12 on which materials are placed, and a camera head unit 14 for photographing the materials. In addition, the material presentation device 10 includes a camera holding base 16 erected behind the material table 12, a camera holding arm 18 to which the camera head unit 14 is fixed, and a foldable camera holding arm 18. At the time of use, it extends straight upward and is fixed to the camera holding base 16 with a fixing screw 19.

The document presentation device 10 holds the camera head unit 14 so that the photographing lens of the television camera 20 built in the camera head unit 14 faces the photographing position on the upper surface of the document table 12. By holding the camera head unit 14 in this manner, various materials placed on the material table 12, for example, a sheet or a model such as a printed matter or a negative film, can be photographed by the television camera 20 from above. Can be.

The document presentation device 10 includes two upper illumination units 22 on both sides of the camera holding base 16 for illuminating the material placed on the document table 12 from both sides when photographing the material. This upper lighting unit 22
Is a reflection light source for the material on the material table 12, and rotates within a range of 30 degrees from the side surface of the camera holding base 16 as shown in the figure, and maintains the illumination position at an arbitrary rotation position. To be able to be mounted, it is attached to the rear of the document table 12 via the support arm 24 alongside the camera holding base 16.

In addition, the document presentation device 10 has a transmission light source substantially at the center of the document table 12 for photographing a negative film or the like through the transmitted light. The transmitted light source is built in a position (not shown) below the upper surface of the document table 12 and below the light diffusing plate 26 whose upper surface is aligned at the same height. Further, the document presentation device 10 includes an operation button group 28 that is operated during normal use, and a control button group 29 that sets various control elements such as fine adjustment and white balance. The operation button group 28
The document table 12 is provided on the front inclined portion. The operation button group 28 is commonly used at the time of photographing the material, and is provided on the inclined portion on the front surface of the material table 12 for convenience of operation. On the other hand, the control button group 29 is used for white balance adjustment, gain switching,
This is for performing color adjustment, hue adjustment, and the like, and is provided at a position covered by a front cover 30 provided on the camera holding base 16. A power switch 32 and a microphone terminal 34 are provided in a concave portion on the left side of the document table 12.

The operation button group 28 will be described. The operation button group 28 includes various operation buttons and LEDs indicating their setting states. Each function is surrounded by a frame, and as shown in FIG. 2, “power”, “lighting”,
The functions of “input selection”, “microphone”, “iris”, “focus”, and “zoom” can be operated.
First, in the leftmost “power” frame, there is a power switch 32.
A power supply display LED 51 is provided to indicate that the power supply is ON.

An illumination switch button 53 for switching between use of the upper illumination unit 22 and the transmission light source (hereinafter, referred to as a lower illumination unit) built in the document table 12 at the time of material photographing is provided in the frame of "lighting" on the right side. Further, a transmission light source lighting display LED 55 and a reflection light source lighting display LED 57 for displaying the switching state are provided. An AV selector selection button 61, an AV selector (main body) selection LED 63, an AV selector (external 1) selection LED 65, and an AV selector (external 2) selection LED 67 indicating the selected state are provided in the “input selection” frame. ing. The AV selector selection button 61 is capable of inputting two types of video signals from the outside to the material presentation device 10, and is a selection device for switching the video signal between the image signal of the television camera 20 built in the material presentation device 10. Operated when used as

A power switch 32 is provided in the frame of “microphone”.
Is provided with an operation button for increasing or decreasing the volume of the microphone connected to the microphone terminal 34 provided beside the. The left is a microphone volume reduction button 71, and the right is a microphone volume increase button 73. The presentation device 10 has a microphone terminal 3
4 has a built-in amplifier that amplifies the audio signal from the microphone connected to the microphone 4. By controlling the amplification of the amplifier, the volume of the audio from the microphone in the presentation using the document presentation device 10 can be freely controlled. You can.

In the frame of "iris", there is a television camera 2
Iris automatic / manual switching button 7 for setting whether to automatically adjust the iris (aperture) of 0 or to leave it to manual adjustment
5. An iris aperture button 76 for narrowing the iris in manual setting, and an iris release button 7 for opening the iris conversely
7. An iris automatic mode display LED 78 indicating that the iris is set to automatic, and an iris manual mode display LED 79 indicating that the iris is set to manual are provided. By operating these buttons 75 to 77, the brightness of the image when the material on the material table 12 is imaged can be freely adjusted.

A frame of "focus" is provided next to "iris", and within this frame, an automatic focus operation button 81 for automatically adjusting the focus (focus) of the television camera 20, a focus position Is manually adjusted to the side closer to the television camera 20, the focus far-out button 85 is adjusted to the far side, the focus automatic mode display LED 87 indicating that the focus is automatically adjusted, and set to manual. A focus manual mode display LED 89 is provided to indicate that the operation has been performed. By operating these buttons 85, 87, 89, the position of the focal point for the material on the material table 12 can be freely adjusted. When the auto focus operation button 81 is pressed once, auto focus is enabled, and a focus adjustment motor (not shown) provided on the television camera 20 is driven to perform automatic focus adjustment. Stop and wait. Therefore, after the automatic focus adjustment is completed, unnecessary focus adjustment is not performed even if the material is moved on the material table 12 or the hand touching the material crosses directly below the television camera 20.

The right end of the operation button group 28 collects information related to the zoom operation of the television camera 20, and within the frame of "zoom", a zoom mode switching button 91 for switching the zoom mode and a television camera 20 are displayed. A zoom-up button 93 for adjusting the zoom-up side (telephoto side) with respect to the material, a zoom wide button 95 for adjusting the television camera 20 to a wide side (wide-angle side), and a display indicating that the zoom mode is switched to the A side. Zoom A mode display LED 9
7. A zoom B mode display LED 99 is provided to indicate that the zoom mode has been switched to the B side.

The zoom A mode and the zoom B mode are different settings of the variable range of the zoom ratio of the zoom lens incorporated in the television camera 20. The zoom lens of the television camera 20 has two zoom ranges based on a combination of lenses in order to realize a wide zoom range. In the zoom A mode, the TV camera 20
Focal length f of the zoom lens from 8.5 mm to 68 m
m, and its imaging range is from 340 × 255 mm to 4
It is 4.5 × 33.4 mm. In the other zoom B mode, the focal length f of the zoom lens of the TV camera 20 is
13 mm to 106 mm, and the imaging range is 21 mm.
It is 1 × 158 mm to 28 × 21 mm.

Next, the details of the control button group 29 will be described with reference to FIG. The control button group 29 is normally hidden under the front cover 30, but various LEDs indicating the setting state are provided above the open / close end position of the front cover 30, that is, the user does not need to open the front cover 30. It is provided at a position where it can be visually recognized. First,
The various LEDs will be described.

The LEDs are, from the front left, an automatic white balance display LED 100 indicating that the white balance is set to the automatic adjustment, and a white balance manual display LED 10 indicating that the white balance is set to the manual adjustment.
1. Since the display state can be switched to negative / positive, a negative display LED 102 indicating that the current display is a negative display, a positive display LED 103 similarly indicating that the display is a positive display,
Since the display state can be switched between color and black and white, the color display LED 10 indicating that the current color display is being performed.
4. Black and white cover LED1 indicating black and white display
05, a gain 0 display LED 10 indicating that the current gain is 0 dB because the video gain can be switched.
6, gain 9 indicating that the gain is also +9 dB
Since the display mode can be adjusted to a dB display LED 107 and a display mode that emphasizes the detail that displays characters and the like in a legible manner, the detail display LED 112 that indicates that the display mode is a display mode that emphasizes the detail is not a display mode that also emphasizes the detail. , A color bar display LED 111 indicating that a color bar video signal is being output, and a communication display LED 11 indicating that communication with an external device is being performed.
7, a key memory LED 121 indicating that the setting state of each key is stored.

A control button group 29 includes a knob directly used for adjusting a circuit constant of a video / audio control circuit described later, and a state of the knob once read by the CPU of the control circuit. There are buttons used to adjust circuit constants. Red adjustment knob 12 provided on the upper left side of control button group 29
3, a blue adjustment knob 125, a hue adjustment volume 127 and a horizontal phase adjustment volume 129 provided on the right side of the same stage, and a pedestal adjustment knob (a knob used for adjusting a black portion of an image) 131 on the lower right side and its right side The hue adjustment switches 133 and 135 are directly connected to the video control circuit. The hue adjustment volume 127 can change the hue by 90 degrees by rotating the hue adjustment knob once. When the hue adjustment volume 127 is used together with the four combinations of the states (on / off) of the hue adjustment switches 133 and 135, the hue adjustment volume 127 is 360 degrees. Hue adjustment is possible.

On the other hand, a button group arranged below the control button group 29 corresponds to a C of a control circuit described later.
The data is read by the PU, and is eventually used for controlling the video control circuit. These buttons will be described from the left. White balance mode button 140: a button for switching between automatic adjustment and manual adjustment of white balance. Negative / Positive switch button 141: A button for switching between displaying a negative film by the television camera 20 and displaying the film in a normal state or normal display. Color / black and white switch button 142: A button for switching between black and white display and normal color display when black and white display such as a text document is easier to see. Gain switching button 143: a button for switching the gain of the TV camera 20, and switching between using the normal gain (0 dB) or increasing the gain (+9 dB) when lighting is insufficient, etc. This is the button to do.

Detail emphasis switching button 145: display in which outlines are emphasized to make it easier to see a character document or the like
Or as a button for selecting whether to display the removed edge enhancement. Color bar display button 144: A button for outputting a standard color bar instead of an image captured by the television camera 20 to adjust the color tone of an externally connected monitor or the like. Communication release button 147: When connected to an external controller or personal computer and performing communication by RS-232C, control by communication is stopped and operation by operation button group 28 or control button group 29 is accepted. Button to return. Key memory setting button 146: This button is the only alternative button while the other buttons are momentary, and can memorize the operation state by the user mechanically. This key memory setting button 1
When you operate 46 and push it in (on state),
Various settings of the material presentation device 10 at that time, for example, which illumination is selected, gain setting, negative / positive switching, and the like are stored and stored in the key memory L.
The ED 121 lights up, indicating that the settings are stored. This function is a main part of the present invention, and will be described later in detail.

Next, the connection panel 150 provided on the back of the camera holding base 16 of the document presentation device 10 will be described with reference to FIG. The connection panel 150 is a panel for connecting various AV devices to the data presentation device 10, as shown in an example in FIG. The connection panel 150 includes, from the left side in FIG. 4, a remote terminal 151 for connecting a dedicated controller 152, and a device (for example, a personal computer 154) capable of communicating with an RS-232C.
Etc.), a baud rate switch 155 for switching the communication baud rate between four types,
An external input unit 160 for connecting an external AV device, an RGB output unit 170 for separating a video signal into RGB and outputting it, an output unit 180 for outputting a normal video signal, an external synchronization terminal 190 for inputting an external synchronization signal, a commercial A power supply port 192 to which a dedicated cable for taking in alternating current is connected, a fuse 195 for detecting an overload and automatically turning off the power, and a power outlet 197 for preparing commercial alternating current for other devices are provided.

The external input unit 160 includes a terminal group capable of inputting two systems, two S video terminals 161 and 162 for inputting SVHS signals, and two S video terminals for inputting normal video signals.
Video terminals 163, 164, and two audio terminals 165L, 165R and 166 for inputting stereo sound.
L, 166R. These external input units 160
As shown in FIG. 5, a video tape recorder (S-VTR) 20 capable of outputting an SVHS signal
0, a normal video tape recorder (VTR) 202, a 16 mm projector 204 capable of outputting a video signal, a slide projector 206 capable of outputting a video signal, and the like. Note that audio signals are also connected from the S-VTR 200 and the VTR 202.

The external RGB output section 170 has a group of terminals for outputting a high-quality RGB image, and has output terminals 171, 172, 173 for each of the RGB colors, and a SYNC terminal 175 for outputting a synchronizing signal. In addition, SYNC
A synchronization changeover switch 177 is provided below the terminal 175. This switch is set to ON when connecting to a device having no terminal for separately inputting a synchronization signal. To each terminal of the RGB output unit 170, for example, a projector video 210, a large monitor 212, and the like are connected.

The output section 180 is provided with a group of terminals used for outputting a normal video signal, and includes an S video terminal 181 for outputting an SVHS image signal, a PIN type output terminal 183 for outputting a normal video signal, Similarly, an output terminal 185 of the BNC type and audio output terminals 187L and 187R for outputting stereo audio are provided. These terminals are connected to, for example, a normal video monitor (a television having a video signal input terminal can also be connected) 220, a liquid crystal monitor 222 for a handy monitor, or a speaker 224 with a built-in amplifier.

Although the microphone terminal 34 is not shown in FIG. 5, a microphone 230 can be connected to the microphone terminal 34.

Next, the electrical configuration will be described. FIG. 6 is a block diagram showing a schematic configuration of an electric system of the material presentation device 10. As shown, the material presentation device 1
0, a video / audio processing circuit 250 that performs processing such as amplification on a video signal from the television camera 20 and an audio signal from the microphone 230, and the operation button group 2 described above.
8. A control circuit 300 for inputting the control button group 29 and the like and controlling the video / audio processing circuit 250
Is built-in.

As shown, most of the operation button group 28 and the control button group 29 are connected to the control circuit 300, and the control button group 29
Is connected to the video / audio processing circuit 250. TV camera 20, microphone 2
30 are also connected to the video / audio processing circuit 250.
The input and output of the video signal to the video / audio processing circuit 250 are connected to the connection panel 150 via the selection circuit 270.

The video / audio processing circuit 250 performs a detail enhancement process by adding a negative / positive inversion or a differential signal to the video signal (video signal) from the television camera 20 or a video signal (video signal) from the microphone 230. The circuit performs various processes such as control of the amplification degree, and the content and degree of the processes are controlled by the control circuit 300.
Is determined by the signal output from. Since the details of the video / audio processing circuit 250 do not directly relate to the present invention, the description thereof is omitted.

Next, the configuration of the control circuit 300 will be described. As shown in FIG. 7, the control circuit 300 includes a well-known CPU 30 having a serial communication function.
1. A PROM 303 in which programs and the like are stored in advance, a RAM 305 in which data can be read and written as needed, and an EEPROM 307 in which data can be electrically erased and stored in a nonvolatile manner
It is mainly configured. The address bus AB of the CPU 301 connects these PROs via a line driver 310.
M303, RAM 305, three I / O ports 311, 312, and 313 that control input and output with the outside, and a programmable array logic (P
AL) 315. Each of the I / O ports 311, 312, and 313 is configured using a chip having an 8-bit × 3 input / output port that can be used for both input and output by setting. The C port of the I / O port 311 is connected to the multiplexer 317 to extend the number of bits of the I / O port. The multiplex control signals L0, L1 and L2 use three bits of the B port of the I / O port 312. The assignment of these ports will be described later.

On the other hand, the data bus DB of the CPU 301
These PROM 303, RAM 305, and EEPROM 3 are connected via a bidirectional line driver / receiver 320.
07, I / O ports 311 to 313. Further, the control bus CB of the CPU 301 is
0, the PAL 330 outputs a memory read / write signal, an I / O read / write signal, and the like output from the CPU 301 to the PROM 303, the RAM 305, the I / O port 311 and the like.

The CPU 301 further includes an oscillation circuit 332 for generating an operation clock, a reset circuit 334 for generating a reset signal when power is turned on, a line driver / receiver circuit 336 for communication by RS-232C, and a baud rate as described above. A changeover switch 155 and the like are connected.

FIG. 8 shows a memory map of the control circuit 300, and FIG. 9 shows an I / O map. CPU301
Can handle a physical address of a maximum of 1 megabyte as a memory space.
A PROM 303 containing programs and the like in 32 kilobytes from 0 (H) to 07FFF (H) is mounted,
A built-in RAM (512 bytes) of the CPU 301 is arranged from address 0FE00 (H), and a RAM 305 (8 kilobytes) is implemented from address 8E000 (H).

The CPU 301 can handle an I / O space of up to 64 kilobytes. EEPROM 30
7 is an I / O address 8000 as shown in FIG.
The 512 bytes from (H) are allocated to this I / O space. In the I / O space, the state of the baud rate switch 155 (port G), the state of the serial communication data CSI / O (port A), a built-in timer, a built-in free running counter, and an I / O port 311, 312 and 313 are allocated. In the following description of the I / O ports 311 to 313, when it is explicit that the I / O address is an I / O address, the I / O address is simply referred to as an address.

The I / O ports 311, 312, 313 are
Three 8-bit input / output ports are provided, and each input / output port has an independent I / O address. The start address of each I / O port 311, 312, 313 is 0100
(H), 0200 (H), and 0300 (H). The I / O ports 311 to 313 can be programmed to be used in either an input mode or an output mode.
As for the I / O port 311, address 0100
Two ports (H) and 0101 (H) are set for output, and the other port at address 0102 (H) is set for input. In addition, a total of six ports, I / O port 312 and I / O port 313, are set for output. Each I / O port 311, 31
2, 313 are connected to the operation button group 28, the control button group 29, the video / audio processing circuit 250, and the selection circuit 270 via a connector (not shown) for each role.

The functions assigned to the bits of each port are shown in FIGS. In each figure, "N / C"
Indicates that the bit is not used (is reserved). Address 0100 of I / O port 311
The ports of (H) and 0101 (H) correspond to the operation button group 28
Are assigned for lighting the respective display LEDs. On the other hand, the port of the address 0102 (H) set for input is extended by the multiplexer 317.
The multiplexer 317 is controlled by the control signals L0, L1, and L2 assigned to bits 4 to 6 of the port of the address 0201 (H) of the I / O port 312.
The operating states of the 8 bits × 3 = 24 buttons are selectively output to the input port of the I / O port 311. FIG. 11 is an explanatory diagram showing the relationship between the states of the control signals L0, L1, and L2 and the input signals (represented by button names). As shown, 16 bits correspond to the operation button group 28.
, And the remaining 8 bits correspond to the state of each button of the control button group 29.

I / O with all ports set for output
The port 312 has an address 020 as shown in FIG.
The 8 bits of 0 (H) and the bits 1, 2, 3, and 7 of the address 0201 (H) are for lighting the respective display LEDs of the control button group 29. Also, the I / O port 312
As described above, bits 4, 5, and 6 of address 0201 (H) are used as control signals L0, L1, and L2 of multiplexer 317. CPU301
Reads the operation states of the operation button group 28 and the control button group 29 via the address 0102 (H) by sequentially switching the control signals L0, L1, and L2. The read operation state is immediately reflected in the lighting state of the corresponding LED.

For example, the white balance mode button 1
When the automatic mode is set by operating the CPU 40, the CPU 301 of the control circuit 300
17 and read the I / O address 0200
Write the value 1 to bit 0 of (H). As a result, the white balance automatic display LED 100 is turned on. On the other hand, when the mode is set to the manual mode, the value 0 is written in the bit 0 of the address 0200 (H), and the value 1 is written in the bit 1.
As a result, the white balance manual display LED 101 is turned on, and the white balance automatic display LED 100 is turned off. The other LEDs are turned on and off by the CPU 301 in the same manner.

Address 0202 of I / O port 312
Bits 2 to 7 of the port (H) are control outputs to the video / audio processing circuit 250. When these control signals become active, the video / audio processing circuit 250
Performs a corresponding process on the video signal from the television camera 20. For example, if the CPU 301 writes the value 1 to bit 2 of the address 0202 (H) of the I / O port 312, the video / audio processing circuit 250
A differential signal of the video signal is added to the video signal from 0 at a predetermined ratio, and the resultant signal is output as a signal whose contour is emphasized.

Address 0300 of I / O port 313
(H) bits 0 to 7 and address 0201
Bits 0 to 5 in (H) are control signals for lighting and the television camera 20. By writing predetermined data into these bits, the CPU 301 turns on the upper lighting unit 22, turns on the lower lighting unit, adjusts the zoom and focus of the TV camera 20, and turns off the power of the TV camera 20. Turn on / off or set the aperture of the TV camera 20 to 6 bits (64 bits).
(Step).

Address 0301 of I / O port 313
(H) bits 6 and 7 are
The selector signals B0 and B1 are turned on and off, so that the CPU 301 can select a video signal by the selection circuit 270. Bits 0 to 5 of address 0302 (H) of I / O port 313
Are the data B0 to B5 for setting the microphone volume, and the CPU 301 writes predetermined data into the data to set the amplification degree of the amplification degree variable amplifier incorporated in the video / audio processing circuit 250 in 64 steps (6 bits). , The volume of the microphone 230 input from the microphone terminal 34 can be varied.

Address 0302 of I / O port 313
Bits 6 and 7 of (H) are zoom mode control outputs, and the CPU 301 can switch between the zoom modes A and B of the television camera 20 by writing exclusively to these bits.

Next, based on FIG. 14 and FIG.
Among the processes executed by 301, those involved in the invention will be described. FIG. 14 is a flowchart showing a key memory processing routine executed when the key memory setting button 146 is depressed. FIG. 15 is a power-on processing executed when the power of the entire material presentation apparatus 10 is turned on. It is a flowchart which shows a routine.

As described above, the key memory setting button 146 is the only alternate switch in the control button group 29, and alternately turns on and off every time the key memory setting button 146 is operated. The key memory processing routine shown in FIG. 14 is a routine executed when the key memory setting button 146 is operated to be turned on. When this routine is started, first, the operation button group 28 and the control button group 29 are activated. A process for reading the settings of each button is performed (step S400). The setting of each button is stored in a predetermined area of the RAM 305 each time the button is operated.

Next, the read setting is stored in the EEPROM 3
07 in a predetermined area (step S
410). When writing the settings, it is also desirable to write the total value (check sum) of the set values in a predetermined address of the EEPROM 307 in order to improve data reliability. Thereafter, a process of lighting the key memory LED 121 is performed by writing a value 1 to bit 1 of the address 0100 (H) of the I / O port 311 (step S420). After the above processing, "NEXT"
To end this routine.

In the present embodiment, the data stored in the RAM 305 by the processing shown in FIG.
Selection of 2 or lower lighting unit, selection of AV selector,
Microphone volume, iris opening, zoom mode, white balance automatic / manual selection, color / black and white selection, gain switch switching, color bar output or not, detail switch on / off. In the present embodiment, a DC motor without a drive amount detection function is used for the zoom and focus of the TV camera 20.
The setting cannot be stored, but if a stepping motor is used or an encoder for detecting the driving amount is employed, the state of focus and zoom can be stored.

When the power is turned on to the material presentation device 10,
The power-on processing routine shown in FIG. 15 is started. When this routine is started, first, an initialization process is performed (step S440). The initialization process includes
Input / output settings of the / O port 311 and the like, initialization of internal registers of the CPU 301, and the like are performed.

Next, a process of reading the state of the key memory setting button 146 is performed (step S450). Since the key memory setting button 146 is an alternate switch, its on / off state can be read directly. Subsequently, it is determined whether or not the key memory setting button 146 is in an on state (step S460). If the key memory setting button 146 is in the on state, a process of reading the setting stored in a predetermined area of the EEPROM 307 is performed (step S470). At this time, if the checksum is stored, by comparing the value of the checksum with the total value of the actual data, E
It can be determined whether or not the data stored in the EPROM 307 has an error.

On the other hand, when the key memory setting button 146 is off, a process of reading the default value of each setting stored in the RAM 305 is performed (step S475).
If the key memory setting button 146 is not set, the state is set to the factory shipment state. Step S47
After the process of 0 or 475, a process of setting these settings in the video / audio processing circuit 250 and the selection circuit 270 is performed (step S480). As a result, if the key memory setting button 146 is on, the key memory setting button 1
Unless the key memory setting button 146 is turned on while the setting of each button at the time when the 46 is turned on is turned on, the settings at the time of shipment from the factory are respectively reproduced in the material presentation device 10.

Subsequently, the CPU 301 sets the I / O port 3
Predetermined data is output to 11 to 313, and the LED corresponding to the setting is turned on (step S490). After that, the process exits from "NEXT" and ends this routine.

The material presentation device 10 of the present embodiment described above.
According to the above, by pressing the key memory setting button 146 to turn it on, various settings at that time, that is, selection of illumination by the upper illumination unit 22 or illumination by the lower illumination unit in the embodiment, and selection of the AV signal Selections, microphone volume settings, and the like are stored, and the settings can be restored immediately after power-on. Therefore, when the operation button group 28 and the control button group 29 are operated to make settings suitable for a specific use, the state can be returned to this state at any time. The advantage that the work can be started from the optimum setting immediately after the power is turned on is extremely desirable from the viewpoint of improving workability. Furthermore, even when a plurality of persons use the material presentation device 10, it is easy to return to a specific setting, and the work efficiency is improved.

When the key memory setting button 146 is operated to store the setting, the key memory LED 121 is lit to indicate this, so that it is easy to know whether the setting is stored. Even if the settings are stored, it is easy to change the settings by operating the operation button group 28 and the control button group 29. To change the setting and store the new setting, the key memory setting button 146 may be pressed again to turn it off, and the key memory setting button 146 may be pressed again to turn it on. According to the operation of the key memory setting button 146, the key memory LED 121 changes from the lighting state to the off state to the on state again, so that it is easy to know how the key setting is stored by this operation. In addition, in this embodiment, the setting of each key is
The key setting can be reproduced even if the power is not turned on for a long period of time.

Further, in this embodiment, since an alternative switch is used as the key memory setting button 146, the following advantages are provided. Key memory setting button 14
6 is a momentary switch and its operation is EEPRO
M307, but in this case, E
If the operation state of the key memory setting button cannot be rewritten due to an abnormality in the EPROM 307, a problem may occur that the setting always returns to the state before the abnormality occurred when the power is turned on. By setting the key memory setting button 146 as a mechanical alternate switch,
If an abnormality occurs in the EEPROM 307, the key memory setting can be canceled by turning off the key memory setting button 146.

The embodiments of the present invention have been described above.
The present invention is not limited to these embodiments of the present invention.
A configuration in which key settings are stored in M or a battery-backed RAM, and a key setting recovery button is provided in addition to the key memory setting button 146, and when the key setting recovery button is pressed, the key settings are returned to a previously stored state. Each time the operation button group 28 or the control button group 29 is operated, the state is stored in the EEPROM 307, and the key setting is performed when the power is turned off.
07, a configuration capable of storing a plurality of key settings by increasing the capacity of the EEPROM 307, a device capable of reading and writing an external storage medium such as a magnetic card, and storing the key settings in an external storage medium such as a magnetic card. It is possible to implement in various modes without departing from the gist of the present invention, such as a configuration for restoring the stored key settings just by inserting a card or the like, or a configuration for changing the content of the stored key settings. Of course.

[0057]

As described above, in the document presentation device of the present invention, when the power is turned off or the storage switch operated by the user is operated, the data presentation device at that point in time is operated. species' s adjusted presentation conditions, eg the setting of the volume of the imaging conditions and presented remembers it, the power is turned on at the time of taking the article
When you make adjustments, the stored adjusted presentation conditions or initial conditions
There is an excellent effect that the user can selectively recover to any of the conditions for presenting the state . Therefore, the presentation device is set to the optimal presentation condition suitable for the specific application,
The stored if the presentation condition, when the smell of after the power is turned on straight
Depending on the state of operation of the recovery switch, this optimal
Will be the presentation can start at presentation condition, it is extremely suitable from the viewpoint of improving the workability. Alternatively, if a plurality of persons use the material presentation device, various presentation conditions may be used.
Power-off operation or scan for storage after being used to set the
If the switch is turned on and the power is turned on again,
Pre-operation of the switch for the recovery of the setting of a specific presentation condition
It is easy to return according to the state of the work, and the work efficiency is improved.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a document presentation device 10 according to one embodiment of the present invention.

FIG. 2 is a main part plan view showing a configuration of an operation button group 28 in the material presentation device 10 of the embodiment.

FIG. 3 is a front view of a main part showing a configuration of a control button group 29;

FIG. 4 is a main part rear view showing the configuration of the connection panel 150.

FIG. 5 is an explanatory diagram showing an example of a system configuration using the material presentation device 10.

FIG. 6 is a block diagram showing an outline of an electrical configuration of the material presentation device 10.

FIG. 7 is a block diagram showing an internal configuration of a control circuit 300.

FIG. 8 is an explanatory diagram showing a memory map.

FIG. 9 is an explanatory diagram showing an I / O map.

FIG. 10 is an explanatory diagram showing assignment and bit assignment of an I / O port 311.

FIG. 11 shows an address 0102 of an I / O port 311.
It is an explanatory view showing a bit assignment of (H).

FIG. 12 is an explanatory diagram showing assignment and bit assignment of an I / O port 312.

FIG. 13 is an explanatory diagram showing assignment and bit assignment of an I / O port 313.

FIG. 14 is a flowchart showing a key memory processing routine executed by the control circuit 300.

FIG. 15 is a flowchart showing a power-on processing routine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Material presentation apparatus 12 ... Material table 14 ... Camera head unit 16 ... Camera holding base 18 ... Camera holding arm part 19 ... Fixing screw 20 ... TV camera 22 ... Upper lighting unit 28 ... Operation button group 29 ... Control button group 30 ... Front cover 32 Power switch 34 Microphone terminal 51 Power indicator LED 53 Illumination switch button 55 Transmitted light source indicator LED 57 Reflective light source indicator LED 61 AV selector selection button 63 AV selector (body) selection LED 65 ... AV selector (external 1) selection LED 67 ... AV selector (external 2) selection LED 71 ... microphone volume reduction button 73 ... microphone volume increase button 75 ... iris automatic / manual switching button 76 ... iris aperture button 77 ... iris release button 78 … Iris automatic mode Indication LED 79 ... Iris manual mode display LED 81 ... Auto focus operation button 83 ... Focus close button 85 ... Focus far outside button 87 ... Focus automatic mode display LED 89 ... Focus manual mode display LED 91 ... Zoom mode switching button 93 ... Zoom up Button 95 ... Zoom wide button 97 ... Zoom A mode display LED 99 ... Zoom B mode display LED 100 ... White balance automatic display LED 101 ... White balance manual display LED 102 ... Negative display LED 103 ... Positive display LED 104 ... Color display LED 105 ... black and white cover LED 111 ... color bar display LED 112 ... detail highlight display LED 113 ... detail non-highlight display LED 117 ... communication display LED 121 ... key memory LED 127 ... Phase adjustment volume 129 ... Horizontal phase adjustment volume 133,135 ... Hue adjustment switch 140 ... White balance mode button 141 ... Negative / positive switching button 142 ... Color / monochrome switching button 143 ... Gain switching button 144 ... Color bar display button 145 ... D Tail emphasis switch button 146 Key memory setting button 147 Communication release button 150 Connection panel 250 Video / audio processing circuit 270 Selection circuit 300 Control circuit 301 CPU 303 PROM 305 RAM EEPROM 310 Line driver 311 , 312,313 ... I / O port 317 ... Multiplexer

Claims (2)

(57) [Claims] 1. An image pickup means for picking up an image of a subject such as a material or a sample placed on a mounting table, and outputting an image signal of the object taken by the image pickup means to a display device to present the material. A presentation condition adjusting means for adjusting a presentation condition of the material; and a presentation condition set in an initial state when presenting the material.
First storage means for憶, the adjusted presentation condition by the presentation condition adjusting means,
When the power is turned off or by the user
The second to store when the storage switch is operated
Storage means, the presentation condition when capturing the article when the power is turned on,
Recovery switch for recovering stored presentation conditions
Stored in the first storage means according to the state of the operation of
Stored in the second storage means.
A presentation condition restoring means for selectively restoring any of the adjusted presentation conditions . 2. The document presentation device according to claim 1, wherein the storage switch is also used as the recovery switch.
Document presentation device being.