JPH0918759A - Camcorder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent 4 heat generated from electronic components from being delivered to a mechanism deck by interposing a battery power supply between the mechanism deck of a video mechanism section and a printed circuit board on which the electronic components of the video mechanism section and the camera mechanism section are mounted so as to interrupt the heat generated from the electronic components. SOLUTION: A battery container 27 opened/closed by an opening/closing cover is provided almost in the middle of an equipment case 2, a mechanism deck 6 is contained in a mechanism deck container 7, and a printed circuit board 5 on which electronic components of a camera mechanism section and a video mechanism section are mounted is contained in a board container 8. An air layer around a battery power supply 26 in the battery container 27 and an air layer in the battery power supply 26 interposed between the printed circuit board 5 and the mechanism deck 6 is used for a heat insulation layer between the printed circuit board 5 and the mechanism deck 6. Thus, heat delivery is interrupted by the air layer in the battery container 27 to suppress effectively the delivery of the heat to the mechanism deck 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera-integrated VTR (video tape recorder) which captures an image as light and converts it into an electric signal and processes the electric signal for recording and reproduction.

[0002]

2. Description of the Related Art Conventionally, a camera-integrated VTR is generally
A lens that captures an image as light, a camera mechanism that converts the image of the light captured by this lens into an electrical signal, and an electrical signal that is supplied from this camera mechanism is processed and recorded on a tape-shaped recording medium or in advance. It is composed of a video mechanism unit for reproducing recorded information. Of these, the camera mechanism unit and the video mechanism unit are housed inside the apparatus housing in which the lens is detachably mounted, and are configured integrally with the apparatus housing. Further, a battery power source that supplies a drive current to a photoelectric conversion unit of the camera mechanism unit, a signal processing unit of the video mechanism unit, and the like is detachably attached to the device housing.

[0003]

However, in the conventional camera-integrated VTR as described above, a printed circuit board and a video mechanism section on which a large number of electronic parts forming a part of the photoelectric conversion section of the camera mechanism section are mounted. The mechanical deck having the tape loading mechanism of the camera mechanism section is installed adjacent to the printed circuit board on which a large number of electronic parts forming a part of the signal processing section are mounted. Therefore, the heat generated by the operation of the electronic components mounted on the printed circuit board is transmitted to the mechanical deck, and the tape loading mechanism and the magnetic tape held by the tape loading mechanism are heated, and the recording failure or the reproduction failure of information is caused. There was a problem that it might occur.

The present invention has been made in view of such conventional problems, and a heat insulating layer is provided between a mechanical deck of a video mechanism section and a printed circuit board on which electronic components of the video mechanism section and the camera mechanism section are mounted. As a result, the purpose is to prevent the heat generated from electronic parts from being transmitted to the mechanical deck by interposing a battery power supply.

[0005]

A camera-integrated V according to the present invention
In order to solve the above-mentioned problems and the like and to achieve the above-mentioned object, the TR outputs the electric signals of the printed circuit board on which the electronic parts of the photoelectric conversion unit generated in the electric signals of the camera mechanism unit and the electric signals of the video mechanism unit are As a heat-insulating layer that does not easily transfer heat between the printed circuit board on which the electronic components of the signal processing unit to be processed are mounted and the mechanical deck that has the tape loading mechanism of the tape-shaped recording medium that records the information processed by the signal processing unit It is characterized by interposing a battery power supply.

According to the present invention, since the air layer in the battery power source or the air layer around the battery power source forms a heat insulating layer by the above-mentioned configuration, the heat insulating layer prints the camera mechanism section and the video mechanism section. It is possible to prevent the heat generated from the electronic components mounted on the substrate from being blocked and being transferred to the tape loading mechanism or the tape-shaped recording medium via the mechanical deck.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the present invention. FIG. 1 shows a camera integrated type V to which the present invention is applied.
A front perspective view of the TR, FIG. 2 is a rear perspective view of the same,
FIG. 3 is a perspective view of the back side of the same with the battery loading / unloading lid opened, and FIG. 4 is a vertical sectional view of the camera-integrated VTR.

As shown in FIGS. 1 to 4, a camera integrated type V
TR1 is a camera mechanism section that captures an image of a subject as light and converts it into an electric signal, processes an electric signal from the camera mechanism section, records it as information on a tape-shaped recording medium, and records the recorded information as desired. It is composed of a video mechanism unit that can be reproduced, and a device housing 2 as a cabinet that accommodates the camera mechanism unit and the video mechanism unit.

The camera mechanism section has a lens 3 for capturing an image as light, a photoelectric conversion section having a CCD image pickup device for converting the image of light into an electric signal, and a view for visually seeing the image captured by the lens 3. It is composed of a finder 4 and a camera circuit including a combination of electronic parts for controlling a motor for focusing the lens 3 and adjusting the diaphragm amount. The electronic components of the camera circuit are mainly mounted on the printed board 5.

In addition, the video mechanism section has a mechanical deck 6 to which a cassette tape containing a magnetic tape showing a specific example of a tape-shaped recording medium is detachably mounted, and the mechanical deck 6 and the like to drive the magnetic tape. It is composed of a video circuit and the like for performing control such as loading and recording information on the magnetic tape or reproducing the recorded information. The mechanical deck 6 includes a rotary drum having a magnetic head and the like, a tape loading mechanism for loading a magnetic tape on the rotary drum, a chassis for supporting the tape loading mechanism, and the like. The electronic components of the video circuit are mainly mounted on the printed board 5.

A mechanical deck accommodating portion 7 for accommodating the mechanical deck 6 of the video mechanism portion is provided on one side portion (right side portion in FIG. 1) of the apparatus casing 3, and at the other side portion (FIG. 1).
On the right side of the figure), there is provided a board housing section 8 for housing the printed board 5 of the camera mechanism section and the video mechanism section. The mechanical deck accommodating portion 7 is provided with a side lid 9 that can be opened and closed laterally, and a child lid 10 that is provided on the upper side and that can also be opened and closed laterally. The parent lid 9 is provided with a window portion 11 made of a transparent member through which the drive hub of the mechanical deck 6 housed therein can be seen, and the child lid 10 is provided with an LED.
A touch panel type operation button group 12 having a backlight such as is provided.

A lens 3 having an auto-focus mechanism capable of automatically focusing and a zoom mechanism capable of automatically adjusting image enlargement / reduction is attached to the front portion of the apparatus housing 3. ing. A lens hood 13 having a quadrangular frame-shaped tip is removably attached to the tip of the lens 3, and the opening of the lens hood 13 through which light passes has a ratio of horizontal to vertical length. Is 4: 3 (may be 16: 9) according to the size of the television screen
Is set so that the incident range of the light is limited and the excess light is suppressed from entering. still,
Reference numeral 14 shown in FIG. 1 is a focus ring, and the focus ring 14 can be manually operated.

Furthermore, the front lower end of the handle 16 is fixed to the upper surface of the rear fixed portion of the lens 3, and the rear lower end of the handle 16 extends rearward and is fixed to the upper surface of the apparatus housing 3. A stereo microphone 17 having a stereo characteristic is attached to the tip of the handle 16 so as to project forward. The stereo microphone 17 is divided into right and left parts by a partition part 18, and a semi-cylindrical right microphone 17a is provided on one side part (left part in FIG. 1) of the partition part 18.
And a semi-cylindrical left microphone 17b is provided on the other side (right side in FIG. 1). A remote control light receiving portion 37 is provided on the front surface of the partition portion 18.

Further, an accessory shoe 19 is provided on the front upper surface of the handle 16 to which a light emitting device such as a strobe or a searchlight, a sound collecting microphone or other accessories can be detachably attached. A viewfinder 4 is attached to the upper part of the device housing 2 behind the handle 16 so that the attitude can be changed in the vertical direction.

Further, as shown in FIG. 2, a zoom switch 20 capable of automatically performing zoom-in and zoom-out is provided in the substrate housing portion 8 of the apparatus housing 2, and a RAM or the like for loading a desired image. A photo switch 21 that can be stored in a storage device, a standby switch 22 that enables camera shooting, a start / stop button 23 that selectively starts and stops shooting, and the like are provided. Reference numeral 24 is a hand belt for holding the apparatus housing 2 with one hand.

Further, as shown in FIG. 3 and the like, a power switch 30 for supplying a driving current to a camera mechanism portion, a video mechanism portion and the like, an auto lock switch 31 and a control dial 32 are provided on the rear surface of the apparatus housing 2. And lid open switch 3
3, an operation switch group 25 including a zero set memory button 34, a self-timer button 35, a one-push white balance button 36, and the like. 37 is a DV terminal.

A battery accommodating portion 27 into which a battery power source 26 is inserted is opened on the rear surface of the apparatus housing 2. The battery accommodating portion 27 is configured to be openable / closable by an opening / closing lid 28 hinged to the apparatus housing 2. The opening / closing lid 28 is locked by the lid locking mechanism 29, and the lid locking mechanism 29 is unlocked by operating the lid opening switch 33. By opening the opening / closing lid 28, work such as replacement of the battery power supply 26 becomes possible. . Then, the battery power source 2
By inserting 6 and closing the opening / closing lid 28, the mounting of the battery power source 26 is completed, and it becomes possible to supply electric power to various motors and electronic parts of the camera mechanism section and the video mechanism section.

A display window 40 is provided on the opening / closing lid 28, and the program A is provided under the display window 40.
An E button 41, a shutter speed button 42, a white balance button 43, and a recording level button 44 are provided. The display window 40 displays various kinds of information such as the remaining voltage of the battery power source 26, the remaining amount of the magnetic tape, the volume of the sound, and the input information.

As shown in FIG. 4, the battery accommodating portion 27 that is opened and closed by the opening / closing lid 28 is provided in the substantially central portion of the device housing 2, and the device is sandwiched by the battery accommodating portion 27. The mechanical deck housing portion 7 is formed on one side of the housing 2, and the substrate housing portion 8 is formed on the other side. The mechanical deck 6 is accommodated in the mechanical deck accommodating portion 7, while the printed circuit board 5 on which the electronic components of the camera mechanism portion and the video mechanism portion are mounted is accommodated in the substrate accommodating portion 8.

Generally, since the air layer functions as a heat insulating layer, it exists in the battery layer 27 in the battery accommodating portion 27 interposed between the printed circuit board 5 and the mechanical deck 6 and in the battery power source 26. Air layer,
It is used as a heat insulating layer between the printed circuit board 5 and the mechanical deck 6. As a result, the amount of heat generated by the electronic components mounted on the printed circuit board 5 increases due to the continuous operation of the camera-integrated VTR, and even when those temperatures become high, the heat is transferred to the battery. It is possible to cut off the heat by the air layer in the housing portion 27 or the air layer in the battery power source 26, and it is possible to effectively suppress the heat transfer to the mechanical deck 6 side.

As a result, the heat insulating layer composed of the air layer prevents the temperature of the tape loading mechanism of the mechanical deck 6 and the magnetic tape loaded on the rotating drum from rising, and ensures smooth driving of the mechanical deck 6. In addition, the magnetic tape can be prevented from extending and the recording / reproducing accuracy can be kept high.

As described above, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the printed circuit board 5 and the mechanical deck 6 are arranged on the left and right with the battery accommodating portion 27 interposed therebetween. However, the printed circuit board 5 with the battery accommodating portion 27 interposed therebetween has been described.
It goes without saying that the mechanical deck 6 can be arranged vertically. Thus, the present invention can be variously modified without departing from the spirit thereof.

[0023]

As described above, according to the present invention,
Since the battery power supply is interposed between the mechanical deck of the video mechanism unit and the printed circuit board on which the electronic components of the video mechanism unit and the camera mechanism unit are mounted, the heat generated from the electronic components mounted on the printed circuit board is generated by the battery power source. The heat can be prevented from being transmitted to the mechanical deck side by shutting it off by a heat insulating layer composed of the surrounding air layer or the air layer in the battery power source. Therefore, this camera integrated type V
By continuously operating the TR, the amount of heat generated by the electronic components mounted on the printed circuit board increases, and even when those temperatures become high, the heat is effectively suppressed from being transmitted to the mechanical deck side. The temperature of the tape-shaped recording medium loaded by the mechanical deck and its tape loading mechanism is prevented from rising, ensuring smooth drive of the mechanical deck and preventing the tape-shaped recording medium from extending, thereby ensuring the recording / playback accuracy. It is possible to obtain the effect that the value can be kept high.

[Brief description of the drawings]

FIG. 1 is a front perspective view of a camera-integrated VTR showing an embodiment of the present invention.

FIG. 2 is a rear perspective view of the camera-integrated VTR shown in FIG.

3 is a rear perspective view of the camera-integrated VTR shown in FIG. 1 with a battery loading / unloading lid open.

4 is a vertical sectional view of the camera-integrated VTR shown in FIG.

[Explanation of symbols]

 1 Camera integrated VTR 2 Device case 3 Lens 4 Viewfinder 5 Printed circuit board 6 Mechanical deck 7 Mechanical deck housing 8 Board housing 26 Battery power supply 27 Battery housing 28 Opening / closing lid

Claims (2)

[Claims] 1. A camera mechanism section for capturing an image as light and converting it into an electric signal, a video mechanism section for processing and recording and / or reproducing an electric signal supplied from the camera mechanism section, and the camera mechanism. Unit and a video power unit that are detachably mounted in a device housing that houses the video mechanism unit, and a battery power supply that supplies a drive current to the camera mechanism unit and the video mechanism unit. Board on which the electronic component of the photoelectric conversion unit for generating the electric signal of the unit, the printed circuit board on which the electronic component of the signal processing unit for processing the electric signal of the video mechanism unit is mounted, and the signal processing unit The battery is used as a heat-insulating layer that hardly transfers heat between a mechanical deck having a tape loading mechanism of a tape-shaped recording medium for recording information processed by A VTR with a built-in camera that features a power supply. 2. The VTR integrated with a camera according to claim 1, wherein a battery accommodating portion for accommodating the battery power source is provided in a central portion of the apparatus casing, and a substrate accommodating portion is provided on one side of the battery accommodating portion. A camera-integrated VT, characterized in that the printed circuit boards of the camera mechanism section and the video mechanism section are provided and the mechanical deck accommodation section is provided on the other side of the battery accommodation section.
R.