JP2001024922A - Image recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the influence of a noise. SOLUTION: A photoelectric converted image is recorded by a CCD imaging device 23. In this case, a circuit board 31 having a power source circuit for circuit drive and a power source circuit for light emitting part drive is provided on the top, an image display unit 27 is provided on the back and a light emitting part 277 of the image display unit 27 is provided on the top.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to an image recording apparatus for recording an image photoelectrically converted by an image sensor.

[0002]

2. Description of the Related Art An example of a conventional image recording apparatus will be described with reference to FIG. (a) is a front view, and (b) is a top view of (a).

[0003] In the figure, a control system circuit board 5 provided with a CCD image pickup device 3 is disposed behind the lens unit 1. A power supply circuit for driving a circuit, a power supply circuit for driving a light emitting unit of an image display unit 7 provided on the back of the apparatus, and a power supply for driving a photographing auxiliary light emission generating apparatus 9 provided on an upper front of the apparatus are provided on the front side of the apparatus. A power supply circuit board 11 having a circuit is arranged.

A control system circuit board 5 and a power system circuit board 11
A power supply means (battery) 15 is arranged between the two. The light emitting section of the image display unit 5 and the power supply system circuit board 11 are connected by using lead wires 13.

[0005]

A power supply circuit for driving a circuit,
A power supply circuit board 11 having a power supply circuit for driving the light emitting unit of the image display unit 7 provided on the back of the apparatus and a power supply circuit for driving the auxiliary light emission generating device 9 provided on the upper front of the apparatus has a large current, The large voltage and the accompanying heat, magnetic field, etc. tend to cause noise.

In the image recording apparatus having the above structure, a light-emitting portion of the image display unit 13 which is provided on the back side of the apparatus and requires a large current, and a power supply circuit board which is provided on the front side of the apparatus and supplies a current thereto Since the wire 11 is separated from the wire 11, a thick and long lead wire 13 is required, and it is a large noise source.

On the other hand, when the power supply system circuit is provided on the back side of the apparatus, the distance between the photographing auxiliary light emission generating apparatus provided on the front side of the apparatus and the power supply system circuit increases, causing the same problem.
That is, since the image display unit is provided on the back side of the apparatus and the photographing auxiliary light emission generator is provided on the front side of the apparatus, the image display unit, the photographing auxiliary light emission generator and one power supply circuit board are connected. It is difficult to connect with short leads.

Therefore, in order to connect the image display unit, the photographing auxiliary light emitting device and the power supply circuit board with short lead wires, two power supply circuit boards are required, and another problem that the number of boards increases. Occurs.

The long and thick lead wire 13 is expensive,
It causes cost increase. Further, since the lead wire 13 becomes thicker, there is a problem of taking up space. Next, shielding measures are required for the lead wire that is a noise source. In addition, there is a problem that a shield for preventing noise is required also in a place where the influence of noise is present (for example, a place where an analog signal before A / D conversion flows), and there is a problem that the cost is increased.

[0010] Also, when noise is on the system clock,
There is also a problem that the device malfunctions. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide an image recording apparatus capable of reducing costs, saving space, and preventing malfunction of the apparatus.

[0011]

According to a first aspect of the present invention, there is provided an image recording apparatus for recording an image photoelectrically converted by an image sensor, a power supply circuit for driving a circuit, and a light emission of an image display unit. An image recording apparatus, comprising: a circuit board having a unit driving power supply circuit; an image display unit provided on a back portion; and a light emitting section of the image display unit provided on an upper portion.

A circuit board having a power supply circuit for driving a circuit and a power supply circuit for driving a light emitting portion of an image display unit is provided on an upper portion thereof.
By providing the image display unit on the back and providing the light emitting part of the image display unit on the upper part, the distance between the light emitting part of the image display unit and the power supply circuit for driving and driving the light emitting part of the image display unit on the circuit board is provided. And lead wires are thin and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to a second aspect of the present invention, there is provided an image recording apparatus according to the first aspect, wherein a terminal of a light emitting section of the image display unit is directly connected to the circuit board. Since the terminal of the light emitting section of the image display unit is directly connected to the circuit board, a lead wire becomes unnecessary.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to a third aspect of the present invention, a power supply circuit for driving a photographing auxiliary light emission generating device is provided on the circuit board according to the first or second aspect of the present invention, and the photographing auxiliary light emission generating device is provided on an upper front side. An image recording apparatus characterized in that:

A power supply circuit for driving a photographing auxiliary light emitting device is provided on a circuit board, and the photographing auxiliary light emitting device is provided on the upper front side, so that the photographing auxiliary light emitting device and the photographing auxiliary light emitting device on the circuit board are provided. The distance from the drive power supply circuit is shortened, and the lead wires are thin and short.

That is, electric power can be supplied to the light emitting section of the image display unit and the photographing auxiliary light emission generator using thin and short lead wires without increasing the number of power supply boards. Therefore, cost can be reduced and space can be saved.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.
An image according to a fourth aspect of the present invention is characterized in that an accommodation chamber for accommodating a power supply unit for supplying electric power is provided at a lower portion adjacent to the circuit board according to any one of the first to third aspects of the invention. It is a recording device.

By providing an accommodation room for accommodating power supply means for supplying electric power to the electric circuit at a lower portion adjacent to the circuit board, the distance between the accommodation room and the substrate is shortened, and the lead wire is thin and short. No.

Accordingly, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

Further, since the terminals of the accommodation room can be directly connected to the circuit board, lead wires are not required, cost can be reduced, and space can be saved. Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.

According to a fifth aspect of the present invention, in an image recording apparatus for recording an image photoelectrically converted by an image pickup device, a circuit board having a power supply circuit for driving a circuit and a power supply circuit for driving a light emitting section of a small-sized image display unit is provided on an upper portion. Provided, a display unit of the small image display unit, at a lower portion adjacent to the circuit board,
An image recording apparatus provided with at least one of a light emitting unit and an enlargement optical system.

The small image display unit is arranged in the width direction of the apparatus in the order of the light emitting section, the display section, and the magnifying optical system from the front side. A circuit board having a circuit driving power supply circuit and a light emitting section driving power supply circuit of the small image display unit is provided at an upper portion, and a display section, a light emitting section, a magnifying optical system of the small image display unit are provided at a lower portion adjacent to the circuit board. By providing at least one of the above, the small image display unit can be arranged by effectively utilizing the space.

Further, the distance between the light emitting portion of the small display unit and the circuit board is shortened, and the lead wire can be thin and short. Therefore, cost can be reduced and space can be saved.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.
According to a sixth aspect of the present invention, a power supply circuit for driving a light emitting portion of a large-sized image display unit is provided on the circuit board according to the fifth aspect of the invention, and a large-sized image display unit is provided at a lower portion adjacent to the circuit board. An image recording apparatus characterized in that:

The power supply circuit for driving the light emitting portion of the large-sized image display unit is provided on the circuit board, and the large-size image display unit is provided below the circuit board. The distance between the light emitting section of the image display unit and the circuit board on which the drive power supply circuit is provided is reduced, and the lead wires can be thin and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to a seventh aspect of the present invention, there is provided an image recording apparatus for recording an image photoelectrically converted by an image sensor, a power supply circuit for driving a circuit, a power supply circuit for driving a light emitting section of a small image display unit, and An image recording apparatus characterized in that a first circuit board having a function of driving a light emitting unit is provided on a front side.

The small image display unit is arranged in the order of the light emitting section, the display section, and the magnifying optical system from the front side in the width direction of the apparatus. Light emitting unit drive function of small image display unit,
By providing the first circuit board having the driving function of the photographing auxiliary light emission generating device on the front side, the power supply circuit for driving the light emitting unit of the small image display unit of the first circuit board and the light emission of the small image display unit The distance to the part is short, and the lead wire is fine and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to an eighth aspect of the present invention, there is provided an image recording apparatus, wherein a second circuit board having the image sensor driving circuit according to the seventh aspect of the present invention is provided on the back side. By providing the second circuit board having the image sensor driving circuit on the back side, the first circuit board provided on the front side and serving as a noise source is provided.
The distance between the first circuit board and the second circuit board is increased, and the influence of noise is reduced.

[0033]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings. (First Embodiment: Corresponding to Claims 1 to 4) First, the electrical configuration of the image recording apparatus of the present embodiment will be described with reference to FIG.

In the figure, lens 1001, aperture stop 1
An optical image obtained via a lens unit (optical system) composed of 002 or the like is formed on a light receiving surface of the CCD image sensor 1003. At this time, the lens 1001 and the aperture stop 1002 are respectively connected to the focus driving circuit 101.
6 and the aperture driving circuit 1015.

Here, the CCD image sensor 1003 photoelectrically converts the light image formed on the light receiving surface into a charge amount, and outputs an analog image signal by a transfer pulse from the image sensor driving circuit 1019.

In the output analog image signal, noise is reduced by CDS (correlated double sampling) processing in a pre-processing circuit 1004, gain is adjusted by AGC, and knee processing for expanding a dynamic range is performed. Is performed.

After being converted into a digital image signal by the A / D converter 1005, the signal processing circuit 1006
Are converted into digital video signals (for example, a luminance signal (Y) and color difference signals (Cr, Cb)) and output to the memory controller 1007.

On the other hand, this signal processing circuit 1006 has a D / A
A converter is also built in, and a colorized video signal input from the A / D converter 1005 side and image data input reversely from the memory controller 1007 can be output to the image display unit.

These functions are switched by exchanging data with the main microcomputer 1008, and the exposure information, the focus signal, and the white balance information of the image sensor signal can be output to the main microcomputer 1008 as needed.

The main microcomputer 1008 mainly controls the sequence of photographing, recording, and reproduction, and further performs, as necessary, compression reproduction of the photographed image and serial port transmission with an external device. Here, CCIT and ISO are used as image compression.
Use the JPEG or JBIG standard standardized in.

The memory controller 1007 stores the digital image data input from the signal processing circuit 1006 in the frame memory 1009 and conversely, stores the image data in the frame memory 1009 in the signal processing circuit 1.
006.

The frame memory 1009 has at least one
An image memory that can store image data of more than the screen,
For example, VRAM, SRAM, DRAM and the like are generally used. Here, VRAM that can operate independently of the CPU bus is used.

The image storage memory 1010 is a memory built in the main body, and stores image data stored in the frame memory 1009 that has been subjected to image compression processing or the like by the main microcomputer 1008. As the image storage memory 1010, for example, an SRAM, a DRAM, an EEPROM, or the like is used, but an EEPROM is preferable in consideration of storing image data in the memory.

A PC card controller (PCMCIA controller) 1011 connects an external recording medium such as a PC memory card (hereinafter simply abbreviated as a PC card) to the main microcomputer 1008, and stores an image stored in the frame memory 1009. After being subjected to image compression processing and the like by the main microcomputer 1008, it is recorded on an external storage medium via the controller 1011. This PC card controller 10
As an external storage PC card connected via the PC 11, an SRAM card, a DRAM card, an EEPROM card, or the like can be used, and image data can be directly transferred to a remote location via a public line using a modem card or an ISDN card. Can also be transferred to a storage medium.

The flash 1012 has a flash timing obtained by a main microcomputer 1008 which controls a photographing sequence. Serial port driver 10
Reference numeral 13 performs signal conversion for performing information transmission between the image recording apparatus and information between external devices. As a serial transmission means, there is a recommended standard for performing serial communication such as RS233C and RS422A. Here, RS232C is used.

The sub-microcomputer 1014 controls man-machine interfaces such as operation switches of the image recording device main body and a liquid crystal display, and transmits information to the main microcomputer 1008 as necessary. Here, a serial input / output terminal is used for transmitting information to and from the main microcomputer 1008. It also has a built-in clock function and controls auto-date.

The aperture drive circuit 1015 is constituted by, for example, an auto iris, and changes the aperture value of the optical aperture 1002 under the control of the main microcomputer 1008. The focus drive circuit 1016 is configured by, for example, a stepping motor, and changes the lens position under the control of the main microcomputer 1008 to appropriately adjust the optical focus surface of the subject on the CCD image sensor 1003. 1018 is connected to the sub microcomputer 1014,
This is a liquid crystal display unit that displays various information such as shooting information.

Next, a first embodiment will be described with reference to FIG. (a) is a configuration diagram of a main part of the front, (b) is a top view of (a), and (c) is a right side view of (a). In the figure, a lens 1002 and an aperture 100 are provided on one side of the image recording apparatus.
2 are arranged. On the rear side of the lens unit 21, a CCD image sensor 1003 is arranged. This CCD image sensor 1003 is provided on the back of the apparatus, and is provided on a control system circuit board 25 provided with the circuit shown in FIG. ing.

An image display unit (large liquid crystal finder) 27 is arranged on the rear side of the apparatus, and a photographing auxiliary light emission generator (strobe) 29 is arranged on the upper front side of the apparatus.
A power supply circuit board 31 is arranged on the upper part of the device. The power supply circuit board 31 includes a power supply circuit for driving a circuit for driving an IC, a power supply circuit for driving a light emitting unit of an image display unit that drives a light emitting unit 27a located above the image display unit 27, and an auxiliary light emission generating unit. A power supply circuit for driving the photographing auxiliary light emission generating device for driving the device 29 is provided.

Further, a housing chamber 35 for housing a power supply means (battery) 33 for supplying power is provided in a lower portion adjacent to the power supply circuit board 31. According to the above configuration, the light emitting section 27 above the image display unit 27 above the device
a power supply circuit board 31 provided with a power supply circuit for driving a light-emitting unit of the image display unit for driving the light-emitting device a and a power supply circuit for driving the auxiliary light-emission generating device for driving the auxiliary light-emission generating device 29; The image display unit 27 and the light emitting unit 27a of the image display unit 27 on the upper part, so that the power supply circuit for driving the light emitting unit of the image display unit of the power supply system circuit board 31 and the image display unit 2
7, the distance between the light emitting portion 27a of the power supply circuit board 31 and the light emitting portion 27a of the image display unit 27 is thin and short. No.

Similarly, a thin lead wire for connecting the photographing auxiliary light emitting generator driving power supply circuit for driving the photographing auxiliary light emitting generator 29 for driving the photographing auxiliary light emitting generator 29 of the power supply circuit board 31 can be used. .

That is, power can be supplied to the light emitting portion 27a of the image display unit 27 and the photographing auxiliary light emission generating device 29 with a thin and short lead wire without increasing the number of power supply boards.

Further, at the lower part adjacent to the power supply circuit board 31,
Housing chamber 35 for housing power supply means 33 for supplying power
Is provided, the accommodating chamber 35 and the power supply system circuit board 31
And the lead wire is thin and short.

Thus, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Costs can be reduced, noise is less likely to be applied to the clock of the main microcomputer 1008, and malfunction of the device is reduced.

In the above embodiment, since the release switch, the mode changeover switch, the liquid crystal display unit 1018, and the like can be mounted on the power supply circuit board 31, the number of boards can be reduced and the cost can be reduced.

The present invention is not limited to the above embodiment. For example, the power supply system circuit board 31 and the terminal of the light emitting section 27a of the image display unit 27 may be directly connected.

Further, the terminal of the housing chamber 35 may be directly connected to the electrometer circuit board 31. With such a configuration, no lead wire is required, the cost can be reduced, and the space can be saved.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, cost can be reduced, noise is hardly applied to the clock of the main microcomputer 1008, and malfunction of the device is reduced.

(Second Embodiment: Corresponding to Claims 5 and 6) A second embodiment will be described with reference to FIG. (a)
The figure shows the main part of the front view, the figure (b) shows the top view of (a), and the figure (c)
(a) It is a left view of a figure.

In the figure, a lens unit 121 is arranged on one side of the image recording apparatus. On the rear side of the lens unit 121, a CCD image sensor 123 is arranged,
The CCD image sensor 123 is provided on a first control system circuit board 125 provided on the back of the device. The first control system circuit board 125 has a function of driving the CCD image sensor 123.

Further, a second control system circuit board 126 is provided in parallel with the first control system circuit board 125. On the back side of the device, a large image display unit (large liquid crystal finder) 127 is provided, along with the lens unit 121, a small image display unit (small liquid crystal finder) 128 is provided. Shooting auxiliary light emission generator
(Strobe) 129 is provided.

The small image display unit 128 includes a display section 128a, a light emitting section 128b, and a magnifying optical system 128c.
It consists of In the upper part of the apparatus, in this embodiment,
Small image display unit 128, shooting auxiliary light emission generator 1
29, a power supply circuit board 131 is disposed above the large image display unit 127. The power supply system circuit board 131 includes a power supply circuit for driving the light emitting unit of the image display unit that drives the light emitting unit 127a above the large image display unit 127, and a power supply circuit for the auxiliary light emission generating device that drives the auxiliary light emission generating device 129. A power supply circuit and a power supply circuit for driving the light emitting unit of the small display unit that drives the light emitting unit 128b of the small image display unit 128 are provided.

Further, an accommodation chamber 135 for accommodating a power supply means (battery) 133 for supplying electric power is provided in a lower portion adjacent to the power supply circuit board 131. According to the above configuration,
By providing the small image display unit 128 at the lower portion adjacent to the power supply circuit board 131, the power supply circuit board 131
Power supply circuit for driving the light emitting unit 128b of the small image display unit 128, and the light emitting unit 1 of the small image display unit 128
28b, and the lead wire connecting them can be thin and short.

Further, a power supply circuit for driving the light emitting unit of the image display unit for driving the light emitting unit 127a on the upper part of the large image display unit 127, the photographing auxiliary light emitting unit 129, the upper part of the large image display unit 127, By arranging the power supply circuit board 131 provided with the power supply circuit for the photographing auxiliary light emission generation device that drives the generator 129, the light emitting unit driving power supply circuit of the large image display unit of the power supply circuit board 131 and the large image The distance between the display unit 127 and the light emitting unit 127a is shortened, and the lead wire connecting them is thin and short.

Further, the distance between the driving power supply circuit of the photographing auxiliary light emission generation device 129 of the power supply system circuit board 131 and the photographing auxiliary light emission generation device 129 is shortened, and the lead wire connecting them is thin and short.

That is, without increasing the number of power supply circuit boards, the light emitting section 127a of the large image
Electric power can be supplied using the photographing auxiliary light emission generating device 129, the light emitting portion 128a of the small image display unit 128, and a thin and short lead wire.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Costs can be reduced, noise on the clock of the main microcomputer is less likely to occur, and malfunction of the device is reduced.

An accommodation room 135 for accommodating a power supply means 133 for supplying electric power is provided below the power supply system circuit board 131.
Is provided, the accommodating chamber 35 and the power supply system circuit board 31
And the lead wire is thin and short.

Accordingly, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Costs can be reduced, noise is less likely to be applied to the clock of the main microcomputer 1008, and malfunction of the device is reduced.

The present invention is not limited to the above embodiment. For example, if the power supply system circuit board 131 is directly connected to the terminals of the light emitting unit 127a of the large image display unit 127 and the terminal of the light emitting unit 128b of the small image display unit 128, a lead wire becomes unnecessary, and cost can be reduced.
Space saving.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, cost can be reduced, noise is less likely to be applied to the clock of the main microcomputer, and malfunction of the device is reduced.

(Third Embodiment: Corresponding to Claims 7 and 8) A third embodiment will be described with reference to FIG. (a)
The figure shows the main part of the front view, the figure (b) shows the top view of (a), and the figure (c)
(a) It is a left view of a figure.

In the figure, a lens unit 221 is arranged on one side of the image recording apparatus. On the rear side of the lens unit 221, a CCD image sensor 223 is arranged,
This CCD image sensor 223 is provided on a first control system circuit board 225 provided on the back of the device. The control system circuit board (second circuit board) 225 includes a CCD image sensor 2
Twenty-three drive circuits are provided.

A small image display unit (small liquid crystal finder) 226 is provided along the lens unit 221.
A photographing auxiliary light emission generating device (strobe) 229 is arranged at the upper part on the front side of the device.

The small image display unit 226 includes a display section 226a, a light emitting section 226b, and a magnifying optical system 226c.
It consists of On the front side of the device, a power supply system circuit board (first circuit board) 231 parallel to the control system circuit board 225
Are provided on the power supply circuit board 231, a power supply circuit for the photographing auxiliary light emission generating device that drives the photographing auxiliary light emission generating device 229, and the light emitting unit 2 of the small image display unit 226.
A power supply circuit for driving the light emitting unit of the small display unit for driving the light emitting unit 6b is provided.

Further, between the control system circuit board 225 and the power system circuit board 231, a power supply means for supplying power is provided.
An accommodation room 235 for accommodating (battery) 233 is provided. According to the above configuration, the power supply circuit for the auxiliary light emission generator for driving the auxiliary light emission generating device 229 and the power supply circuit for driving the light emitting unit of the small display unit for driving the light emitting unit 226 b of the small image display unit 226 are provided. The power supply circuit board 231 provided on the front side of the device,
The distance between the power supply circuit for driving the light emitting section of the small image display unit and the light emitting section of the small image display unit is shortened, and the lead wire can be thin and short.

Further, the distance between the power supply circuit for the photographing auxiliary light emission generation device 229 for driving the photographing auxiliary light emission generation device 229 and the photographing auxiliary light emission generation device 229 becomes short, and the lead wire can be thin and short.

That is, electric power can be supplied to the photographing auxiliary light emission generating device 229 and the light emitting portion 226b of the small image display unit 226 using a thin and short lead wire without increasing the number of power supply circuit boards.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

Since the control system circuit board 225 having the image pickup device drive circuit is provided on the back side, the distance between the power supply circuit board 231 provided on the front side and serving as a noise source and the control system circuit board 225 is increased. , Locations affected by noise
(For example, where analog signals before A / D conversion flow)
A shield for preventing noise is not required, and the cost is reduced.

Further, noise is less likely to be applied to the system clock, and the device is less likely to malfunction.

[0082]

As described above, according to the first aspect of the present invention, a circuit board having a circuit driving power supply circuit and a light emitting section driving power supply circuit of an image display unit is provided on an upper portion, and the image is provided on a back portion. Along with providing the display unit, by providing the light emitting portion of the image display unit on the upper portion, the distance between the light emitting portion of the image display unit and the drive power supply circuit of the light emitting portion of the image display unit on the circuit board is reduced, Lead wires can be thin and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to the second aspect of the present invention, since the terminal of the light emitting section of the image display unit is directly connected to the circuit board, a lead wire becomes unnecessary. Therefore, cost can be reduced and space can be saved.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.
According to the third aspect of the present invention, a power supply circuit for driving a photographing auxiliary light emission generating device is provided on a circuit board, and the photographing auxiliary light emission generating device is provided on an upper front side. The distance between the circuit board and the power supply circuit for driving the auxiliary light emitting device for photographing is shortened, and the lead wires can be thin and short.

That is, power can be supplied to the light-emitting portion of the image display unit and the auxiliary light-emission generating device using thin and short lead wires without increasing the number of power supply boards. Therefore, cost can be reduced and space can be saved.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.
According to the fourth aspect of the present invention, at the lower portion adjacent to the circuit board,
By providing the housing for accommodating the power supply means for supplying power to the electric circuit, the distance between the housing and the substrate is shortened, and the lead wire can be thin and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

Further, since the terminals of the storage chamber can be directly connected to the circuit board, no lead wire is required, and the cost can be reduced and the space can be saved. Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.

According to the fifth aspect of the present invention, the small-sized image display unit is arranged in the width direction of the device in the order of the light emitting section, the display section, and the magnifying optical system from the front side. In the upper part, a circuit driving power supply circuit, a circuit board having a power supply circuit for driving the light emitting part of the small image display unit is provided, and in the lower part adjacent to the circuit board, the display part of the small image display unit, the light emitting part,
By providing at least one of the magnifying optics,
The small image display unit can be arranged by effectively utilizing the space.

Further, the distance between the light emitting portion of the small display unit and the circuit board is shortened, and the lead wire can be thin and short. Therefore, cost can be reduced and space can be saved.

Further, the influence of noise is reduced. For this reason, a shield for preventing noise is unnecessary or simple, the cost can be reduced, and the malfunction of the device can be reduced.
According to the invention described in claim 6, the power supply circuit for driving the light emitting unit of the large-sized image display unit is provided on the circuit board, and the large-sized image display unit is provided below the circuit board adjacent to the large-sized image display unit. The distance between the image display unit and the circuit board on which the power supply circuit for driving the light emitting portion of the large-sized image display unit is provided is short, and the lead wires can be thin and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to the seventh aspect of the present invention, the small-sized image display unit is arranged in the width direction of the device in the order of the light emitting section, the display section, and the magnifying optical system from the front side. The first circuit board having the function of driving the light emitting unit of the small image display unit and the function of driving the auxiliary light emission generating device for photographing is provided on the front side, so that the light emitting unit of the small image display unit of the first circuit board is driven. The distance between the power supply circuit and the light emitting section of the small image display unit is shortened, and the lead wire can be thin and short.

Therefore, cost can be reduced and space can be saved. Further, the influence of noise is reduced. For this reason,
A shield for noise prevention is unnecessary or simple.
Cost can be reduced, and malfunction of the device can be reduced.

According to the eighth aspect of the present invention, since the second circuit board having the image pickup device drive circuit is provided on the back side, the first circuit board provided on the front side and serving as a noise source is provided with: The distance from the second circuit board is increased, and the influence of noise is reduced.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a first embodiment.

FIG. 2 is a functional block diagram illustrating an overall schematic electrical configuration of the image recording apparatus according to the first embodiment.

FIG. 3 is a diagram illustrating a second embodiment.

FIG. 4 is a diagram illustrating a third embodiment.

FIG. 5 is a diagram illustrating a conventional image recording apparatus.

[Explanation of symbols]

 23 CCD image sensor (image sensor) 27 image display unit 27a light emitting unit 31 power supply circuit board (circuit board)

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G03B 19/02 G03B 19/02 H04N 5/907 H04N 5/907 B F-term (Reference) 2H053 CA45 2H054 AA01 2H100 BB11 DD05 DD11 5C022 AA00 AB02 AB15 AB22 AC03 AC32 AC42 AC54 AC56 AC69 AC70 AC74 5C052 AA17 DD04 EE10 GA01 GA07 GB00 GB06 GC05 GD03 GE04 GE08

Claims (8)

[Claims] 1. An image recording apparatus for recording an image photoelectrically converted by an image sensor, comprising: a circuit board having a power supply circuit for driving a circuit and a power supply circuit for driving a light emitting portion of an image display unit; An image recording apparatus, comprising: a unit; and a light emitting unit of the image display unit is provided on an upper part. 2. The image display unit according to claim 1, wherein a terminal of a light emitting unit of the image display unit is directly connected to the circuit board.
The image recording apparatus as described in the above. 3. The image recording apparatus according to claim 1, wherein a power supply circuit for driving a photographing auxiliary light emitting device is provided on the circuit board, and the photographing auxiliary light emitting device is provided on an upper front side. apparatus. 4. The image recording apparatus according to claim 1, wherein a housing chamber for housing a power supply unit for supplying power is provided at a lower portion adjacent to the circuit board. 5. An image recording apparatus for recording an image photoelectrically converted by an image pickup device, comprising: a circuit board having a power supply circuit for driving a circuit and a power supply circuit for driving a light emitting section of a small-sized image display unit provided on an upper portion thereof. An image recording apparatus, wherein at least one of a display unit, a light emitting unit, and an enlargement optical system of the small image display unit is provided in a lower part adjacent to the image recording unit. 6. The circuit board according to claim 5, wherein a power supply circuit for driving a light-emitting portion of the large-sized image display unit is provided on the circuit board, and a large-sized image display unit is provided at a lower portion adjacent to the circuit board. Image recording device. 7. An image recording apparatus for recording an image photoelectrically converted by an imaging device, comprising: a circuit driving power supply circuit; a light emitting unit driving power supply circuit of a small image display unit; An image recording apparatus, comprising the first circuit board provided on the front side. 8. The image recording apparatus according to claim 7, wherein a second circuit board having the image pickup device drive circuit is provided on a back side.