JP2719645C - - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a material presentation device, and more particularly, to a material presentation device capable of adjusting presentation conditions.
About. 2. Description of the Related Art There is provided a mounting table on which an object such as a material or a sample is mounted. The mounting table is imaged by a camera as an image pickup means provided above the table, and is externally provided as a video signal.
This type of material presentation device that outputs to a television, VTR, etc., has various presentation conditions.
What can be set is known. The presentation conditions include switching of lighting and switching off of the input system.
Image change, aperture (iris) condition, black and white or color setting, color balance, etc.
A document presentation device that can be connected to a microphone and whose volume can be adjusted, mainly for conditions
Then, the sound volume (amplification degree) and the like can be considered as presentation conditions. In addition, images are displayed
Display destination selection when there are multiple display devices to display, and multiple devices to input images
Switching of the input of the image signal in such a case may also be a presentation condition. Document presentation device
By adjusting these presentation conditions, you can obtain an easy-to-view image
, An environment for effective presentation is realized. However, there is a problem that the usability is reduced as the imaging conditions increase.
there were. Taking the switching of lighting as an example, if the material is ordinary paper or a sample,
Turn on the illumination lamp installed diagonally above the table, and use the X-ray photographic film.
In the case of a slide, etc., the transmitted light lamp built in the table is turned on.
The aperture, the color balance, and the like naturally differ depending on the subject. These are resources
It is adjusted by operating the switch provided on the fee presentation device.
Even after adjusting for X-ray photographic film, I turned off the power and restarted
In such a case, it is normal to return to the factory settings. Also turn off the power
Even if other people change to different imaging conditions to present another material,
I had to re-adjust each time. [0004] The material presentation device of the present invention solves such a problem and makes the material presentation device easier to use.
It was made for the purpose of improvement and adopted the following configuration. [0005] A document presentation device according to the present invention includes image pickup means for picking up an image of a subject such as a material or a sample placed on a mounting table. Output the captured image signal to the display device and present the material
A presentation condition adjusting unit that adjusts presentation conditions of the material; and a first storage unit that stores presentation conditions set to an initial state when presenting the material.
The presentation condition adjusted by the presentation condition adjusting means is changed to a power-off operation.
Memory when the switch for storage operated by the user or by the user is operated
A second storage unit for performing the above-mentioned presentation condition when photographing the material at the time of power-on, to the stored presentation condition.
Depending on the state of operation of the recovery switch for recovery, the first storage means
The stored presentation condition of the initial state or the adjustment stored in the second storage means.
And a presentation condition restoring means for selectively restoring any of the already presented presentation conditions. In the data presentation device of the present invention configured as described above, the presentation condition adjusting means is used.
The presentation conditions that are adjusted each time are determined when the power is turned off or when the user
Is stored in the second storage means when the storage switch operated by the user is operated.
Is done. In addition, the presentation conditions set to the initial state when presenting the material are the first storage device.
It is stored in the column. The presentation conditions when shooting materials at power-on are
According to the state of the operation of the recovery switch, the initial condition is provided by the presentation condition recovery means.
Alternately restores either the presentation condition or the adjusted presentation condition. Therefore, power on
Later, operation of the switch for recovery to the presentation condition once adjusted before the power was turned on
Depending on the condition, it can be easily recovered. [0007] In order to further clarify the configuration and operation of the present invention described above, the present invention will be described below.
A preferred embodiment of a document presentation device will be described with reference to the drawings. FIG. 1 is a schematic perspective view when the document presentation device 10 of the embodiment is used. As shown in FIG. 1, a material presentation device 10 includes a material table 12 on which materials are placed.
And a camera head unit 14 for photographing materials. In addition,
The display 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 is provided.
In use, extend the camera holding arm 18 straight up when using it,
At 19, it is fixed to the camera holding base 16. This document presentation device 10 is a television camera built in a camera head unit 14.
Camera head so that the 20 shooting lenses face the shooting position on the upper surface of the document table 12.
The unit 14 is held. Holding the camera head unit 14 in this manner
Various materials placed on the material table 12, for example, printed matter and negative film
Of a sheet body or a model of the like from above by the television camera 20.
be able to. The material presenting device 10 is used when photographing materials placed on the material table 12.
The two upper lighting units 22 for illuminating the material from both sides are mounted on the camera holding base.
It is provided on the left and right of the unit 16. The upper lighting unit 22 is used to
The light source serves as a reflection light source for the camera holding base 16 as shown in the figure.
It can rotate within 30 degrees from the side and maintain its illumination position at any rotation position
So that the camera holding base 16 is connected to the rear of the document table 12 via the support arm 24.
Installed side by side. In addition, the material presentation device 10 photographs a negative film or the like via the transmitted light.
For this purpose, a transmission light source is provided substantially at the center of the data table 12. This transmitted light source
Below the light diffusion plate 26, the upper surface of the document table 12 and its upper surface are aligned at the same height,
It is built in a position not shown. Further, the material presentation device 10 is used for normal use.
And a control button group 29 for setting various control elements such as fine adjustment and white balance. Operation buttons
Reference numeral 28 is provided on the inclined portion on the front surface of the material table 12. This operation button group 28
Is usually used at the time of photographing the material, and for convenience of operation, the front of the material table 12 is inclined.
Section. On the other hand, the control button group 29
Perform low-level white balance adjustment, gain switching, color adjustment, hue adjustment, etc.
And is covered with a front cover 30 provided on the camera holding base 16.
It is provided in the position where it was. The power switch is located in the recess on the left side of the data table 12.
Switch 32 and a microphone terminal 34 are provided. The operation button group 28 will be described. The operation button group 28 includes various operation buttons.
And an LED indicating their setting status. Each function is surrounded by a frame line.
As shown in FIG. 2, from the left, “power”, “lighting”, “input selection”, “microphone”, “microphone”
The functions of "iris", "focus", and "zoom" are operable.
First, the leftmost “power” frame indicates that the power switch 32 is on.
The power supply display LED 51 shown in FIG. In the frame of “lighting” on the right side, the upper lighting unit 22 at the time of material photographing is
For use with a transmission light source (hereinafter referred to as a lower illumination unit) built in the charge table 12
Switch button 53 for switching the display, and a light source display for indicating the switching state
An LED 55 and a reflected light source lighting indication LED 57 are provided. "Input selection" frame
In the figure, an AV selector selection button 61 and an AV selector
(Main unit) Select LED 63, AV selector (External 1) Select LED 65, AV select
(External 2) selection LED 67 is provided. AV selector selection button 61
It is possible to input two systems of video signals from outside to the material presentation device 10,
The video signal is switched between the video signal of the television camera 20 built in the display device 10.
It is operated when it is used as a selecting device. In a “microphone” frame, a microphone terminal 34 provided beside the power switch 32 is provided.
An operation button for increasing or decreasing the volume of the connected microphone is provided. The left is a microphone volume reduction button 71, and the right is a microphone volume increase button 73. Presentation of this document
The device 10 amplifies an audio signal from a microphone connected to the microphone terminal 34.
By controlling the amplification of this amplifier, the material presentation device 10
Freely control the volume of the sound from the microphone in the presentation used
You can do it. The iris (aperture) of the television camera 20 is automatically adjusted within the “iris” frame.
Iris automatic / manual switching button 75 for setting whether to perform adjustment or manual adjustment
The iris aperture button 76 for squeezing the iris in the motion setting,
Iris release button 77, an iris indicating that the iris is set to automatic
Auto mode display LED 78, iris manual mode indicating that the mode is set to manual
A mode display LED 79 is provided. Operate these buttons 75 to 77
The brightness of the image when the material on the material table 12 is imaged
Can be adjusted. A “focus” frame is provided next to the “iris”, and within this frame,
Automatic focus for automatic adjustment of the focus of TV camera 20
The operation button 81 and a focus for manually adjusting the focus position to the side closer to the television camera 20.
Focus proximity button 83, conversely focus far outside button 85 for adjusting to the far side, focus
Focus automatic mode display LED 87 indicating that the focus is automatically adjusted
, A focus manual mode display LED 89 indicating that the mode is set to manual is provided.
Have been. By operating these buttons 85, 87, 89, the data table
The position of the focal point with respect to the material on the bull 12 can be freely adjusted. Automatic
When the focus operation button 81 is pressed once, auto focus is enabled.
Then, a focus adjustment motor (not shown) provided in the television camera 20 is driven.
The focus is adjusted automatically, and when the adjustment is completed, the motor is stopped and the apparatus stands by.
Therefore, after the automatic focus adjustment is completed, the material is moved on the material table 12.
Useless focus, even if the hand touching the material crosses directly below the TV camera 20
No adjustment is made. The right end of the operation button group 28 collects information related to the zoom operation of the television camera 20.
The zoom mode is used to switch the zoom mode within the “zoom” frame.
Mode switch button 91, TV camera 20 zoom up side (telephoto side)
Zoom-in button 93 to adjust the TV camera 20 to the wide side (wide-angle side)
Zoom wide button 95 to adjust, indicating that zoom mode switching is A side
To indicate that the zoom mode is switched to the B side.
A zoom B-mode display LED 99 shown in FIG. The zoom A mode and the zoom B mode are zoom modes incorporated in the television camera 20.
This means different settings of the variable range of the zoom ratio of the camera lens. This TV camera 2
A zoom lens with a zoom ratio of 0 uses a combination of lenses to achieve a wide zoom range.
It has two zoom ranges. On the other hand, in the zoom A mode, the TV camera 2
0 has a focal length f of 8.5 mm to 68 mm, and its imaging range is
The enclosure is 340 x 255 mm to 44.5 x 33.4 mm. The other zoom B
In the mode, the focal length f of the zoom lens of the television camera 20 is from 13 mm to 1 mm.
06 mm, and the imaging range is 211 × 158 mm to 28 × 21 mm.
You. Next, details of the control button group 29 will be described with reference to FIG. this
The control buttons 29 are normally hidden under the front cover 30,
The various LEDs indicating the fixed state are located above the open / close end position of the front cover 30, that is, the front cover.
It is provided at a position where it can be visually recognized by the user without opening the bar 30. First,
The various LEDs will be described. The LED indicates from the front left that the white balance is set to automatic adjustment.
White balance automatic display LED 100 shown, also set to manual adjustment
White balance manual display LED 101, indicating that the display state is negative / positive
Negative display LED 102 indicating that the display is currently negative, positive display LED 103 indicating that the display is positive, and color and black and white
Color display LED to indicate that the current color display
104, a black-and-white cover LED 105 indicating the same black-and-white display, a video gain
Can be switched, the gain 0 display L indicating that the current gain is 0 dB
ED106, also a gain 9 dB display LED indicating that the gain is +9 dB
107, adjusted to display mode that emphasizes detail that displays characters easily
Detail that indicates that the display mode emphasizes the detail, if possible
Highlight LED 112, also, that it is not the display mode that emphasizes the detail
The detail non-highlighted LED 113 shown in FIG.
Color bar display LED 111 indicating that communication with external equipment is in progress.
And a key indicating that the setting state of each key is stored.
Memory LED 121. The control button group 29 adjusts circuit constants of a video / audio control circuit described later.
Knob that is used directly to perform the
Buttons used to adjust the circuit constants of the video control circuit after being read by U
There is. Red adjustment knob 1 provided on the upper left side of control button group 29
23 or the blue adjustment knob 125, or the hue adjustment
127, horizontal phase adjustment volume 129, and pedestal adjustment on the lower right
A knob (a knob used for adjusting a black portion of the image) 131 and a hue adjustment button on the right side thereof
The switches 133 and 135 are directly connected to the video control circuit. The hue
The adjustment volume 127 can change the hue by 90 degrees by rotating it once.
Yes, four combinations of the states (ON / OFF) of the hue adjustment switches 133 and 135
The hue adjustment of 360 degrees is made possible by using together. On the other hand, a button group arranged below the control button group 29 is
Read by the CPU of the control circuit and eventually used to control the video control circuit.
Can be 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 / Body switching button 141: Image negative film with TV camera 20
This button is used to switch between normal display and normal display. Color / black and white switch button 142: When black and white display such as a text document is easier to see
Button to switch between black and white display and normal color display
It is. Gain switching button 143: a button for switching the gain of the TV camera 20
Yes, use at normal gain (0dB), or
This button is used to switch whether to use the input by raising the input (+9 dB). [0024] Detail emphasis switching button 145: In order to make text documents and the like easy to see,
Button to select whether to highlight the outline or display without the outline
It is. Color bar display button 144: Adjusts the color tone of an externally connected monitor, etc.
Output a standard color bar instead of the image captured by the TV camera 20
It is a button to make it. Communication release button 147: Connects to an external controller or personal computer.
When the communication by RS-232C is continuously performed, the control by the communication is stopped.
The operation button group 28 and the control button group 29
It is a button for returning to the state. Key memory setting button 146: This button is used when other buttons are momentary.
This is the only alternative button for the
It can be stored mechanically. By operating this key memory setting button 146
When it is in the pressed state (on state), various settings of the material presentation device 10 at that time are set.
Settings, eg which lighting is selected, gain setting, switching between negative / positive
Settings are stored, the key memory LED 121 is lit, and the settings are stored.
Is displayed. This function is an essential part of the present invention, and will be described later.
I will explain. Next, a connection panel provided on the back of the camera holding base 16 of the document presentation device 10
150 will be described with reference to FIG. FIG. 5 shows an example of the connection panel 150.
In this manner, the panel is used to connect various types of AV equipment to the presentation device 10.
A dedicated controller 152 is connected to the connection panel 150 from the left side in FIG.
Remote terminal 151 for communication, and a device capable of communication by RS-232C (for example,
Communication terminal 153 for connecting a personal computer 154).
Baud rate switch 155 for changing the rate to four types, external AV equipment
, An external input unit 160 for separating the video signal into RGB and outputting the separated RGB signal
Unit 170, an output unit 180 that outputs a normal video signal, and an output unit that inputs an external synchronization signal.
Power supply port 1 to which a dedicated cable for taking in commercial AC is connected
92, fuse 195 to detect overload and automatically cut off power supply, commercial for other equipment
A power outlet 197 for preparing an AC is provided. The external input unit 160 includes a terminal group capable of two-system input, and outputs an SVHS signal.
Two S video terminals 161 and 162 for inputting, and two S video terminals for inputting a normal video signal.
Video terminals 163, 164, two systems of four audio terminals 165 for inputting stereo audio
L, 165R and 166L, 166R. These external input units 16
As shown in FIG. 5, each terminal of video signal 0 can output a SVHS signal.
-Pre-recorder (S-VTR) 200, normal video tape recorder (VTR) 2
02, 16 mm projector 204 capable of outputting video signals, also outputting video signals
A possible slide projector 206 and the like are connected. In addition, S-VTR200 and VT
An audio signal is also connected from R202. The external RGB output unit 170 is a terminal for outputting a high-quality RGB image.
Output terminals 171, 172, 173 for each color of RGB, and output their synchronization signals
A SYNC terminal 175 is provided. It should be noted that there is a synchronous
A changeover switch 177 is provided, which is a terminal for separately inputting a synchronization signal.
This switch is set to ON when connecting to a device that does not have a device. This RGB output
For example, a projector video 210, a large monitor 212, and the like are connected to each terminal of the unit 170. The output unit 180 is provided with a group of terminals used for outputting a normal video signal.
S video terminal 181 for outputting an SVHS image signal, for outputting a normal video signal
PIN type output terminal 183, BNC type output terminal 185, stereo
Audio output terminals 187L and 187R for outputting audio are provided. these
The terminal group includes, for example, a normal video monitor (a television having a video signal input terminal).
220, LCD monitor 222 at hand, or built-in amplifier
A type speaker 224 and the like are connected. Although the microphone terminal 34 is not shown in FIG.
It can be connected to the terminal 34. Next, an electrical configuration will be described. FIG. 6 is a schematic diagram showing the electric
It is a block diagram showing a schematic structure of a system. As shown in FIG.
Internally, it receives video signals from the TV camera 20 and audio signals from the microphone 230.
A video / audio processing circuit 250 for performing processing such as amplification on the operation button group;
28, input of control button group 29, control of video / audio processing circuit 250, etc.
Is built in. As shown, most of the operation button group 28 and the control button group 29
Is connected to the control circuit 300, and the color of the control button group 29 is
The phase adjustment volume 127 and the like are connected to the video / audio processing circuit 250. Te
The Levi camera 20, the microphone 230, and the like 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
It is connected to the connection panel 150 via 70. The video / audio processing circuit 250 is a video signal (video signal) from the television camera 20.
In contrast, various processing such as negative / positive inversion and detail enhancement processing by adding a differential signal, or control of the degree of amplification of the audio signal from the microphone 230 are performed.
The content and degree of the processing are controlled by the control circuit 30.
It is determined by the signal output from 0. The details of the video / audio processing circuit 250
Since it is not directly involved in the invention, its description is omitted. Next, the configuration of the control circuit 300 will be described. Control circuit 3
00 is a known CPU 301 having a built-in serial communication function, as shown in FIG.
A PROM 303 in which programs and the like are stored in advance;
AM 305, EEPROM 30 that is electrically erasable and stores data in a nonvolatile manner
7. The address bus AB of the CPU 301 is connected to a line drive.
The input / output to / from these PROM 303 and RAM 305 and the outside
The three I / O ports 311, 312, 313 and the address decoding are performed.
Connected to a programmable array logic (PAL) 315. In addition,
Each I / O port 311, 312, 313 can be set to either input or output by setting.
It is configured using a chip having usable 8 bit × 3 input / output ports. I /
In order to extend the number of bits of the O port, the C port of the I / O port 311 is
It is connected to the chipplexer 317. Multiplex control signal L
0, 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 is a bidirectional line driver / receiver.
These PROM 303, RAM 305, EEPROM 307
, I / O ports 311 to 313. Furthermore, the control of the CPU 301
The control bus CB is connected to the PAL 330, and the PAL 330 is connected to the CPU 301.
Reads memory read / write signals and I / O read / write signals output by PROM
303, RAM 305, I / O port 311 and the like. The CPU 301 also has an oscillation circuit 332 for generating an operation clock, and a power supply.
A reset circuit 334 for generating a reset signal upon input, a line driver / receiver circuit 336 for communication by RS-232C, and a baud rate switching switch as described above.
155 are connected. FIG. 8 shows a memory map of the control circuit 300, and FIG. 9 shows an I / O map.
Show. The CPU 301 uses a maximum of 1 megabyte of physical address as a memory space.
Although it can be handled, in the embodiment, addresses 0000 (H) to 07FFF (H
PROM 303 that stores programs etc. in 32 kilobytes up to)
, The internal RAM (512 bytes) of the CPU 301 starts from address 0FE00 (H).
Located, RAM 305 (8 KB) mounted from address 8E000 (H)
Have been. The CPU 301 can handle an I / O space of up to 64 kilobytes.
. The EEPROM 307 stores the I / O address 8000 (H) as shown in FIG.
These 512 bytes are allocated to this I / O space. I / O space
The status of the baud rate switch 155 (port G) and the serial communication
Communication data CSI / O status (port A), built-in timer, built-in free running
Counters and I / O ports 311, 312, 313 are assigned.
In the following description of the I / O ports 311 to 313, the I / O ports
Address is explicitly referred to as an I / O address.
Shall be considered. Each of the I / O ports 311, 312, and 313 has three 8-bit input / output ports
Each I / O port has an independent I / O address. Each I / O port 3
The start addresses of 11, 312, and 313 are 0100 (H), 0200 (H), and 0, respectively.
300 (H). These I / O ports 311 to 313 are input or output
It is programmable to use in any of the power modes.
As for the I / O port 311 by the initialization process immediately after the input, the address
Two ports 0100 (H) and 0101 (H) are used for output, and
The remaining one port, which is 0102 (H), is set for input. In addition, a total of six ports of I / O port 312 and I / O port 313 are used for output.
Is set. Each I / O port 311, 312, 313 is not shown for each role.
Operation buttons 28, control buttons 29, video and audio
It is connected to the processing circuit 250 and the selection circuit 270. The functions assigned to the bits of each port are shown in FIGS. In each figure
Here, "N / C" indicates that the bit is not used (reserved)
Is shown. Ports of addresses 0100 (H) and 0101 (H) of the I / O port 311
Are assigned for lighting the display LEDs of the operation button group 28. on the other hand
, The port of the address 0102 (H) set for the input is the multiplexer 3
17 has been extended. Multiplexer 317 is connected to I / O port 312
The control assigned to bits 4 to 6 of the port of address 0201 (H)
The operation states of 8 bits × 3 = 24 buttons are determined by the rule signals L0, L1 and L2.
Selectively output to the input port of the I / O port 311. Control signal
The relationship between the states of L0, L1, and L2 and input signals (displayed by button names) is shown in FIG.
This is shown in FIG. As shown, 16 bits correspond to each button of the operation button group 28.
Button, and the remaining 8 bits correspond to each button of the control button group 29.
It corresponds to the state of the tongue. The I / O ports 312 with all ports set for output are as shown in FIG.
8 bits of address 0200 (H) and bits of address 0201 (H)
1, 2, 3, and 7 are for lighting the respective display LEDs of the control button group 29.
Bits 4, 5, and 6 of address 0201 (H) of I / O port 312 are already set.
As described above, the control signals L0, L1, L2 of the multiplexer 317 and
Used as The CPU 301 sequentially transmits the control signals L0, L1, L2.
By switching next, the operation button group 28 and the command button 28 are accessed via the address 0102 (H).
The operation state of each button of the control button group 29 is read. Loaded operation
The state is immediately reflected in the lighting state of the corresponding LED. For example, the white balance mode button 140 is operated to set the automatic mode.
Then, the CPU 301 of the control circuit 300 controls the multiplexer 317
And writes the value 1 to bit 0 of I / O address 0200 (H).
Get in. As a result, the white balance automatic display LED 100 is turned on. on the other hand,
When set to the manual mode, the value 0 is written to bit 0 of address 0200 (H).
And writes the value 1 to bit 1. As a result, the white balance manual display LED 1
01 turns on, and the white balance automatic display LED 100 turns off. Other LED
Is turned on and off by the CPU 301 in the same manner. Bits 2 to 7 of the port at address 0202 (H) of I / O port 312 are
, A control output to the video / audio processing circuit 250. These control signals
When activated, the video and audio processing circuit 250 outputs the video from the television camera 20.
A corresponding process is performed on the E signal. For example, if the CPU 301 has the I / O port 3
If the value 1 is written to bit 2 of address 0202 (H) of No. 12, the video / audio processing
The path 250 adds a differential signal of the video signal from the television camera 20 to the video signal.
, And output as a signal with the outline emphasized. Bits 0 to 7 of address 0300 (H) of I / O port 313 and address
Bits 0 to 5 of the address 0201 (H) relate to the lighting and the television camera 20.
Control signal. The CPU 301 writes predetermined data into these bits.
As a result, the upper lighting unit 22 is turned on or the lower lighting unit is turned on.
Or adjust the zoom and focus of the TV camera 20,
The power of the camera 20 is turned on or off, or the aperture of the television camera 20 is set to 6 bits (6 bits).
(4 steps). The bits 6 and 7 of the address 0301 (H) of the I / O port 313 are
70 are AV selector signals B0 and B1 for turning on / off these signals.
Causes CPU 301 to select a video signal by selection circuit 270.
Can be. Bits 0 to 5 of address 0302 (H) of I / O port 313 are
The data B0 to B5 for setting the microphone volume.
By writing constant data, the amplification degree built in the video / audio processing circuit 250
The amplification degree of the variable amplifier is changed over 64 steps (6 bits), and the microphone terminal 34 is changed.
The bits 6 and 7 of the address 0302 (H) of the I / O port 313 can change the zoom mode.
The CPU 301 exclusively writes to these bits.
By doing so, it is possible to switch between the zoom modes A and B of the TV camera 20.
Wear. Next, of the processing executed by the CPU 301 based on FIGS.
Explain what is involved in FIG. 14 shows that the key memory setting button 146 is pressed.
FIG. 15 is a flowchart showing a key memory processing routine executed when
, A power-on processing routine executed when the power of the entire material presentation device 10 is turned on.
It is a flowchart which shows a chin. The key memory setting button 146 is, as described above, the control button group 29
This is the only alternate switch in the middle, and each time it is operated, it alternately turns on and off.
Take the state. The key memory processing routine shown in FIG.
This routine is executed when the button 146 is turned on.
When the button is activated, first, each of the operation button group 28 and the control button group 29
A process for reading the button settings is performed (step S400). The settings for each button
Is stored in a predetermined area of the RAM 305 each time each button is operated.
Need only be read out. Next, a process of writing the read setting to a predetermined area of the EEPROM 307 is described.
Perform (Step S410). When writing the settings, the sum of the
(Exam sum) may also be written at a predetermined address of the EEPROM 307.
It is desirable in improving the reliability of data. After that, the I / O port 311
By writing the value 1 to bit 1 of the dress 0100 (H), the key memory LED
A process for lighting 121 is performed (step S420). After the above processing, "NE
XT ", and terminates this routine. The processing shown in FIG. 5 and read to EEPROM 307 Record
In this embodiment, the stored data is the upper lighting unit 22 or the lower lighting unit.
Selection, AV selector selection, microphone volume, iris opening, zoom mode,
Automatic / manual selection of color balance, color / black and white selection, switching of gain switch
, The output of the color bar, and the ON / OFF of the detail switch. This embodiment
Then, the DC camera without the drive amount detection function is used for the zoom and focus of the TV camera 20.
Settings cannot be stored for these
However, if a stepping motor is used or an encoder for detecting the drive amount is adopted,
For example, the state of focus and zoom can be stored. When the power is turned on to the document presentation device 10, a power-on processing routine shown in FIG.
Is started. When this routine is started, first, an initialization process is performed.
(Step S440). As initialization processing, input / output of I / O port 311 etc.
Power setting, initialization of an internal register of the CPU 301, and the like are performed. Next, processing for reading the state of the key memory setting button 146 is performed (step
S450). The key memory setting button 146 is an alternate switch
Thus, the on / off state can be directly read. Next, set the key memory
It is determined whether or not the button 146 is on (step S460).
For example, a process of reading the settings 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 sum with the total value of the actual data,
It can be determined whether or not the data stored in the. On the other hand, when the key memory setting button 146 is off To the PROM 303 A process of reading the stored default value of each setting is performed (step S475). Ki
-If the memory setting button 146 has not been set, the factory default is set.
That's why. After the processing in step S470 or 475, these settings are
A process for setting in the audio processing circuit 250 and the selection circuit 270 is performed (step S4).
80). As a result, if the key memory setting button 146 is on, the key memory setting button 146 is turned on.
The setting of each button at the time when the set button 146 is turned on is
If the set button 146 is not turned on, the settings at the time of shipment from the factory will be
Will be reproduced. Subsequently, the CPU 301 sends predetermined data to the I / O ports 311 to 313.
Is output, and the LED corresponding to the setting is turned on (step S490). afterwards,"
NEXT "and this routine ends. According to the material presentation device 10 of the present embodiment described above, the key memory setting button 1
By pushing in 46 to turn on, various settings at that time, that is, actual
In the embodiment, the selection is made between the lighting by the upper lighting unit 22 and the lighting by the lower lighting unit.
Selection, AV signal selection, microphone volume setting, etc.
You can recover as expected. Therefore, the operation button group 28 and the control button group
If you adjust the settings for a specific application by operating 29, you can always return to this state.
Can be. The advantage of being able to start working from the optimal settings immediately after turning on the power is
It is extremely desirable from the viewpoint of improving workability. Further, a plurality of persons can use the material presentation device 10.
Even if you use it, it is easy to return to a specific setting, which improves work efficiency.
You. When the key memory setting button 146 is operated to store the setting, the key
Since the LED 121 is lit to indicate this, it is easy to determine whether the setting is stored.
You can know. Even when the settings are stored, the operation buttons 28 and the control
By operating the button group 29, it is easy to change to a different setting. settings
After the change, to store the new setting, press the key memory setting button 146 again to turn it off, and then press the key memory setting button 146 again to turn off.
It is good to be in the state. According to the operation of the key memory setting button 146, the key memory L
Since the ED 121 changes from the lighting state to the off state to the on state again,
It is easy to know whether the key setting is stored as shown in FIG. In addition,
In this embodiment, the setting of each key is stored in the EEPROM 307,
Thus, even if the power is not turned on, the key settings can be reproduced. Further, in the present embodiment, an alternative key memory setting button 146 is used.
The use of switches has the following advantages. Key memory setting button 146
The operation should be stored in the EEPROM 307 as a momentary switch.
However, in this case, the key memory setting button
If it becomes impossible to rewrite the operation status of the
A problem of returning may occur. Key memory setting button 146
Is a mechanical alternative switch, so that the EEPRO
When an abnormality occurs in M307, the key memory setting button 146 is turned off.
Thus, the setting of the key memory can be released. Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments.
For example, instead of the EEPROM 307, a flash ROM or
Configuration for storing key settings in battery-backed RAM, key memory settings
A key setting recovery button is provided in addition to the button 146, and this key setting recovery button is pressed.
Sometimes, the key settings are returned to a previously stored state, the operation buttons 28 and the
Each time the roll button group 29 is operated, its state is stored in the EEPROM 307.
The key setting is stored in the EEPROM 307 when the power is turned off.
A configuration in which the capacity of the EEPROM 307 is increased so that a plurality of key settings can be stored.
A device that can read and write external storage media such as a magnetic card
It is stored in an external storage medium such as a card, and inserted just by inserting a magnetic card etc.
A configuration that recovers key settings or a configuration that allows you to change the contents of key settings to be stored.
The present invention can be implemented in various modes without departing from the gist of the present invention.
Of course. As described above, in the data presentation device of the present invention, the power-off operation is performed or the like.
Or when the memory switch operated by the user is operated,
In the presentation conditions after various adjustments, such as the setting of the imaging conditions and the volume of the presentation, etc. are stored,
When shooting materials at power-on, use the stored adjusted presentation conditions or initial conditions.
The advantage is that it is possible to selectively recover to one of the
I do. Therefore, the presentation device is set to the optimal presentation condition suitable for a specific application.
If the presentation conditions at the time of are stored, the recovery switch
Can start presenting materials under these optimal presentation conditions according to the operation status of the switch.
It is very suitable from the viewpoint of improving workability. Or, a document presentation device by multiple people
If the power off operation is used after setting and using various presentation conditions,
If the switch for operation or storage is operated and the power is turned on again, the stored
It is easy to return to the setting of specific presentation conditions according to the state of operation of the recovery switch
Therefore, 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 document presentation device 10. FIG. 6 is a block diagram schematically showing an electrical configuration of the document 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 is an explanatory diagram showing a bit assignment of an address 0102 (H) of an I / O port 311. 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 Signs] 10 ... Material presentation device 12 ... Material table 14 ... Camera head unit 16 ... Camera holding base 18 ... Camera holding arm 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 display LED 53 Illumination switching button 55 Transmission light source display LED 57 Reflective light source display LED 61 AV selector selection button 63 AV selector ( Main unit) 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… Eye Automatic mode display LED 79 ... Iris manual mode display LED 81 ... Automatic focus operation button 83 ... Focus proximity 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 tail display LED 113: Detail non-highlight display LED 117: Communication display LED 121: Key memory ED 127 ... Hue 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 ... Detail emphasis switching button 146 ... Key memory setting button 147 ... Communication release button 150 ... Connection panel 250 ... Video and audio processing circuit 270 ... Selection circuit 300 ... Control circuit 301 ... CPU 303 ... PROM 305 ... RAM 307 ... EEPROM 310 ... Line driver 311, 312, 313 ... I / O port 317 ... Multiplexer

Claims (1)

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 picked up by the image pickup means to a display device. And a presentation condition adjusting means for adjusting presentation conditions of the material; and a first storage means for storing presentation conditions set in an initial state in presenting the material. A second storage unit that stores the presentation condition adjusted by the presentation condition adjustment unit when a power-off operation is performed or a storage switch operated by a user is operated; The presentation condition at the time of shooting the material at the time of insertion, the initial state stored in the first storage means according to the state of the operation of the recovery switch for restoring the stored presentation condition Presentation A presentation condition restoring means for selectively restoring either the matter or the adjusted presentation condition stored in the second storage means. 2. The document presentation device according to claim 1, wherein the switch for storage is also used as the switch for recovery.