KR970007015B1 - Video cassette recorder with embodied projector - Google Patents

Abstract

In the VCR(14) part of the main body(12) load a photographed VCR tape, taking hold of the holder(25), turn around the projector clockwise, and the guide pin turns around on the hinge pin(35). Then the catching pin(20) is pushed into the catching groove by the restoring force of the plate spring(22), the guide pin's rotation is stopped. In this way the projector(13) kept in the storage(15) is produced. Press down the projector(13) downward, then the locking pin(20) comes out of the catching groove, and the guide plate(16) is brought into the contact with one side of the storage.

Description

Built-in Video Cassette Recorder (VCR)

1 is a schematic diagram of a typical projector;

2 is a block diagram of a circuit for operating the projector shown in FIG. 1;

3 is an exploded perspective view showing an embodiment of the present invention,

4 is an exploded perspective view of the bottom portion “A” of FIG. 3;

5 is a longitudinal sectional view showing a projection angle adjusting means of the projector,

6 is an operating state diagram of FIG.

(a) is a state in which the projector is housed in the main body,

(b) is a state in which the projector is pulled out of the main body,

7 is a side view of FIG. 6 (b),

8 is an exploded perspective view showing another embodiment of the present invention,

9 is an operational state diagram of FIG.

(a) is a state in which the projector is housed in the main body,

(b) is a state in which the projector is lifted from the main body,

10 is an exploded perspective view showing another embodiment of the present invention,

1l or 10 is a perspective view of the coupled state,

12 is a rear perspective view of FIG.

13 is a side view showing the state of use of FIG.

* Explanation of symbols for main parts of the drawings

12: VCR body 13: projector

14: VCR unit 15: storage groove

16: guide plate 17: guide protrusion

18: guide grooves 19, 19a, 19b: locking groove

20: engaging piece 20a: rounding part

22: leaf spring 25: handle

26: insertion hole 27: rotator

28: rotation guide 28a: projection

30: ball 32a: locking hole

34: groove groove 35: hinge pin

36: base 37: LCD

38: door 39: boss

40: tilt adjustment guide 40b: long hole

41: rotation guide 42: washers

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video cassette recorder with a built-in projector, and more particularly, to project an image photographed through a projector on an external screen without using a separate component, and simultaneously to display an image as necessary. It can be projected in the desired direction.

1 is a schematic configuration diagram of a general projector, including an LCD panel 2 installed at an intermediate portion of the projector housing 1, a first polarizing plate 3 installed at the front of the LCD panel, and a rear panel of the LCD panel. And a second light polarizing plate 4, a light source 5 provided at a rear of the second polarizing plate at a predetermined distance, a project lens 6 provided in an opening of the projector housing 1, and the like.

FIG. 2 is a block diagram showing the configuration of a projector circuit for operating the projector shown in FIG. 1, in which an image signal input from a video cassette recorder, a movie camera system, and a television receiver is displayed on the LCD panel 2; An LCD driver 8 for driving a panel, a synchronization controller 9 for matching vertical and horizontal synchronization of an image signal displayed on the LCD panel, a light source controller 10 for controlling the output of the light source 5, and And a voice signal processing unit 11 for processing a voice signal input from a video cassette recorder or movie camera system or a television receiver and outputting it through a speaker SP. The operation of a general projector configured as described above will be described with reference to FIGS. 1 and 2.

A video signal input from a video cassette recorder or movie camera system or a television receiver is processed by the signal processing unit 7 into a displayable state on the LCD panel 2 and then input to the LCD driver 8. The LCD driver 8 drives the LCD panel 2 to display the output signal of the signal processor 7 on the LCD panel 2.

At this time, the synchronization controller 9 adjusts the horizontal and vertical synchronization of the image signal displayed on the LCD panel 2, and the light source controller 10 projects the image displayed on the LCD panel 2 on an external screen. The amount of light of the light source 5 is controlled so as to be effective. Therefore, the image displayed on the LCD panel 2 by the light of the appropriate intensity output from the light source 5 is projected on the screen which is connected in front of the project lens 6 and installed. Therefore, a predetermined image is displayed on the screen.

Conventionally, a video cassette recorder (hereinafter referred to as "VCR") and a projector which are commercially available as separate products are used to project an image recorded on a video cassette tape using a projector having the function as described above. It is possible only by connecting. However, these conventional products have various problems as follows.

First, a separate jack is required to view the playback screen of the VCR through the projector.

Second, if the user wants to change the projection direction while projecting the image in one direction with the projector, the user has to move the entire direction of the device, which is inconvenient to use.

Third, especially when a user wants to project an image to the ceiling (top) at home, there are many difficulties due to the connection part on the back of the device.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem in the related art, and provides the user with convenience in using the projector while allowing the user to switch the direction of the projector as necessary while embedding the projector in the VCR main body. Have

According to an aspect of the present invention for achieving the above object, there is provided a projector comprising a projector installed on one side in the VCR main body to project the image taken on the screen, and a projection angle adjustment means for switching the projection direction of the projector There is provided a built-in video cassette record. Hereinafter, the present invention will be described in more detail with reference to FIGS. 3 to 12 of the accompanying drawings.

3, 8 and 10 show the embodiments of the present invention. The present invention provides a projector 13 for projecting an image taken to one side in the VCR main body 12 onto a screen. And it comprises a projection angle adjusting means for switching the projection angle up, down, left and right when in use.

3 to 7 illustrate an embodiment of the present invention, the receiving groove 15 is formed on one side of the VCR unit 14 installed in the VCR main body 12 so that the projector 13 in the receiving groove is formed. ) So that it can be installed.

The projector 13, which hangs out the accommodating groove 15, is coupled to the guide plate 16 by the projection angle adjusting means so that the guide plate 16 is guided by the guide means when the accommodating groove is placed on the accommodating groove.

According to the exemplary embodiment of the present invention, the guide protrusion 17 is formed to face the receiving groove 15, and the guide plate 16 forms the guide groove 18 fitted to the guide protrusion 17. . Therefore, when the guide plate 16 is accommodated in the receiving groove 15 or withdrawn, the guide groove 18 is fitted to the guide protrusion 17, so that the guide plate 16 rises and falls horizontally and stably.

In the above embodiment, the guide plate 16 includes a guide plate positioning means for determining the position of the projector 13 in a state in which the guide plate 16 is accommodated in and drawn out from the accommodation groove 15.

A pair of catching grooves 19a and 19b is formed up and down so as to be positioned at right angles to the guide protrusion 17 formed in the receiving groove 15 by the positioning means, and the catches formed up and down on both sides of the guide plate 16. Resilient installation so that the engaging piece 20 to be fitted to any one of the grooves in the groove.

That is, as shown in FIG. 4, the leaf spring 22 having the protruding surface 22a in the space portion is formed by forming the space portion 21 in the guide plate 16 in accordance with the engaging grooves 19a and 19b. ) And then the locking piece 20 to be connected to the protruding surface and fastening the fastening piece 23 with a screw 24 so that the locking piece 20 is not separated from the guide plate 16. At this time, the rounded portion 20a is formed at the end of the locking piece 20.

This is to facilitate the locking piece 20 in the locking groove (19a) 19b by pressing or pulling the projector 13 coupled to the guide plate (16).

An upper surface of the projector 13 forms a handle 5 that pushes or pulls the projector. The insertion plate 26 is formed in the guide plate 16 by the projection angle adjusting means for removing the guide plate 16 from the receiving groove 15 and adjusting the angle of the projector 13 according to the projection direction. Insert the rotator 27 and then fasten the rotation guide 28 with the rotator 27 and the screw 29 at the bottom of the guide plate 16 so that the rotator 27 is not separated from the guide plate 16. Do not

Then, the ball 30 is elastically installed on the projector 13 by the spring 31 and the support piece 32 of the rotator 27 is formed with a plurality of locking grooves 32a into which the ball 30 is selectively fitted. The projector 13 is positioned between the support pieces 32, and then the pin 13 is fitted through the fastening hole 32b and the pin insertion hole 13a to couple the projector 13 to the rotator 27.

Accordingly, when the projector 13 rotates about the pin 33, the ball 30 is fitted into any one of the locking flaws 3a, so that the inclination angle of the projector 13 is adjusted.

An annular recess groove 34 is formed on the rear surface of the insertion hole 26 formed in the guide plate 16, and the projection 28a is formed on the rotation guide 28 to fit into the recess recess.

Accordingly, when the projector 13 coupled to the rotator 27 is rotated, the projection 28a is guided to the recess 34 and rotates together with the projector, thereby making the rotational movement stable.

One embodiment of the present invention configured as described above accommodates the guide plate 16 in the receiving groove 15 as shown in FIG.

Accordingly, the engaging piece 20 elastically installed with the leaf spring 22 so that the guide plate 16 can be sunk is located in the engaging groove 19a formed in the lower portion of the receiving groove 15. At this time, the projector 13 coupled to the rotator 27 maintains the determined state. In this state, after loading the video cassette tape recorded on the VCR unit 14 of the VCR main body 12 and projecting the photographed contents onto the screen, the projector 13 stored in the receiving groove 15 should be taken out. .

To this end, by grasping the handle 25 formed on the upper surface of the projector 13 and pulling upward, the leaf spring 22 of the locking piece 20 that is fitted into the lower locking groove 19a by the elastic force of the leaf spring 22 is compressed. While being accommodated in the space 21 while being pulled out of the projector 13 is possible.

At this time, the end of the engaging piece 20 has a rounded portion 20a is formed so that it is easily separated from the engaging groove 19a, the guide plate 16 is horizontal because the guide hole 18 is fitted into the guide protrusion 17 Ascends stably with enemy.

When the guide plate 16 is raised and the locking piece 20 accommodated in the space 21 reaches the upper locking groove 19b, the guide plate 16 is pulled out by the restoring force of the leaf spring 22 to be inserted into the upper locking groove. Therefore, the rise of the guide plate 16 is stopped.

As described above, when the guide plate 16 is pulled out as shown in FIG. 6B and the projector 13 is rotated in the direction of the arrow of FIG. 7 according to the installation position of the screen, the insertion hole 26 of the guide plate 16 is rotated. Rotator 27 coupled to the rotation guide 28 is rotated around the insertion hole, the rotator 27 coupled to the rotation guide 28 is rotated around the insertion hole, the rotation guide 28 Protrusions (28a) formed on the back of the insertion hole 26 is moved along the recessed groove 34 formed as an environment, so that the rotation operation of the projector 13 is made smoothly.

In addition, in order to switch the projection direction of the projector 13 up and down, the projector 13 may be lifted up or pressed.

As a result, the ball 30, which is inserted into any one of the locking grooves 32a formed in the support piece 32 by the elastic force of the spring 31, is compressed in the spring 1 to be accommodated in the projector 13, and then the desired angle. When the projector 13 stops rotating, the ball 30 is inserted into the other locking groove 32a by the restoring force of the spring 31 so that the projector 13 moves when projecting the captured image onto the screen. It won't be.

On the other hand, when the projector 1 is stopped and stored, the projector 13, which is upwardly enclosed, may be held in close contact with the guide plate 16, and then the grip 25 of the projector 3 may be pressed.

As a result, the locking piece 20 inserted into the upper locking groove 19b is detached from the upper locking groove as described above, and then fitted into the lower locking groove 19a. 8 and 9 of the accompanying drawings show another embodiment of the present invention, the same parts as those of the embodiment of the present invention will be omitted with the same reference numerals will be given.

The guide plate 16 is coupled to the hinge piece 35 by the receiving groove 15 formed at one side of the VCR main body 12 so that the guide plate is rotated around the hinge pin.

In the above embodiment of the present invention, the guide plate 16 is provided with positioning means for positioning the guide plate to determine the position of the projector 13 in a state in which the guide plate 16 is received and drawn out in the receiving groove 15.

The guide plate 16 is rotated by the positioning means on the opposite surface of the receiving groove 15 to which the guide plate 16 is coupled to the hinge pin 35 to form a locking groove 19 in a portion to maintain a horizontal state and guide plate. (16) On one side, as in the embodiment of FIG. 4, the engaging piece 20 is elastically installed to be protruding to the leaf spring 22. As shown in FIG.

Another embodiment of the present invention configured as described above is accommodated in the receiving groove 15 by rotating the guide plate 16 counterclockwise as shown in (a) of FIG. 9 when not in use.

At this time, the projector 13 coupled to the rotator 27 is maintained in a folded state.

In this state, the video cassette recorder recorded on the VCR unit 14 of the VCR main body 12 is loaded, and the projector 13, which has been stored cold, is pulled out in order to project the photographed contents onto the screen. You have to.

To this end, the guide plate 16 for rotating the projector clockwise by holding the handle 5 formed on the side of the projector 13 is rotated around the hinge pin (35). Accordingly, the locking piece 20 is connected to the side wall of the receiving groove 15 of the locking piece 20 which is elastically installed on the one side of the guide plate 16 by the leaf spring 22 and is drawn out. Is accepted into.

Subsequently, when the guide plate 16 is rotated to be in a horizontal state, the locking piece 20 accommodated in the space 21 while the plate spring 22 is compressed coincides with the locking groove 19 so that the locking piece 20 ) Is inserted into the locking groove by the restoring force of the leaf spring 22, so that the rotation of the guide plate 16 is stopped. As described above, since the projection line angle adjustment operation of taking out the projector 13 stored in the accommodation groove 15 and switching the projection direction to the projection direction of the projector 13 is the same as the embodiment of the present invention, the description thereof is omitted. do.

On the other hand, when the use of the projector 13 is completed and stored, it is only necessary to press the projector 13 downward. Accordingly, the locking piece 20 inserted into the locking groove 19 is separated from the locking groove by the rounding part 20a, and the guide plate 16 is one side of the receiving groove 15 as shown in FIG. Because it is connected to, it becomes available for storage.

In one embodiment and another embodiment of the present invention, if a separate door (not shown) is installed on the upper side of the receiving groove 15, it is understood that the projector 13 can be protected from foreign matters such as dust during storage. will be.

10 to 13 show another embodiment of the present invention, the VCR main body 12 is fixed by installing the projector 13 to one side of the VCR unit 14 installed in the VCR main body 12. It is installed on the base 6 so as to be movable up, down, left and right by the projection angle adjusting means.

The projector 13 fixed to the VCR main body 12 is installed so that the project lens side faces the back of the VCR main body, and an LCD 37 is installed in front of the VCR main body 12. This is to allow a user to identify a pre-recorded image through the LCD 37 before using the projector 13.

Moreover, the door 38 of the VCR main body 12 is provided so that opening and closing of the projector lens side of the projector 13 is possible.

This is to prevent the project lens from being contaminated by dust or the like in case of emergency of the projector 13.

Projection angle adjusting means for switching the projection direction of the projector 13 fixed to the VCR main body 12 to form a boss 39 having a curved upper surface on the base 36 to form a curved surface 40a corresponding to the boss. The inclined adjustment guide 40 having the long hole 40b is mounted on the boss 39.

And the guide hole (40c) is formed on both sides of the long hole (41a) formed in the inclination adjustment guide 40, the upper side of the inclination adjustment guide has a rotation guide 41 having a projection (41a) fitted into the guide hole After connecting, place the washer 42 on the upper side and fasten them to the base 36 with screws 43.

As described above, the inclination adjustment guide 40 is formed through the through hole 36a formed in the base 36 while the inclination adjustment guide 40, the rotation guide 41, and the washer 42 are fixed to the base 36. To the VCR body 12 with a screw 43. In another embodiment of the present invention configured as described above, the door 38 installed on the rear surface of the VCR body 12 so as to be open and closed when not in use is closed.

In the above-described state, the pre-recorded image for projecting to the projector 13 is displayed through the LCD 37 installed in front of the VCR main body 12 in order to find the video cassette recorder.

After finding the image for projection by the above operation, rotate the VCR body 12 by 18 ° so that the back side of the VCR body 12 faces forward as shown in FIG. 12, and then open the door 36 to open the projector lens. To be exposed.

Then, when the VCR main body 12 is rotated according to the installation position of the screen, the fixed tilt adjustment guide 40 of the VCR main body 12 is guided and rotated by the boss 39 together with the rotation guide 41 so that the projector 13 To match the position of the screen.

As described above, in order to switch the projection direction of the projector 13 up and down like the one fold line in FIG. 13 while the projector 13 is positioned in line with the screen, the VCR main body 12 may be pressed or lifted.

Accordingly, since the inclination adjustment guide 40 fixed to the VCR body 12 is guided to the curved portion and the rotation guide 41 of the boss 39, the vertical angle of the projector 13 is adjusted. At this time, since the projection 41a of the rotation guide 41 is fitted in the guide hole 40c formed in the inclination adjustment guide 40, the VCR main body 112 does not flow from side to side and is stably adjusted up and down.

On the other hand, to complete and store the use of the projector 13, the door 38 is closed while the VCR body 12 mounted on the base 36 is kept horizontal, and then the front of the VCR body 12 faces forward. The VCR main body is rotated 180 degrees so as to be the first state.

As described above, the present invention has the following advantages.

First, since the projector 13 is installed at one side of the VCR unit 14 of the VCR main body 12, the projector 13 can be projected onto a screen without using an accessory such as a jack and the like.

Second, it is possible to switch arbitrarily and quickly in the projection direction of the projector 13 by the projection angle adjusting means.

Third, according to this, the image is more easily projected to the upper surface (ceiling) at home, so that the image can be viewed in a more comfortable state.

Claims (21)

Projector built-in video cassette recorder, comprising: a projector 13 installed on one side of the VCR main body 12 for projecting the captured image onto a screen; and a process angle adjusting means for switching the projection direction of the projector. . The VCR main body 12 having the accommodating groove 15 formed on one side of the VCR unit 14 and the projector 13 installed on the guide plate 16 to protrude from the accommodating groove to project the captured image onto a screen. Guide means for guiding it when the projector is moved, positioning means for determining the position of the projector when the projector is stored and drawn out, and angle adjusting means for adjusting the projection angle for switching the projection direction of the projector; Built-in video cassette recorder, characterized in that the configuration. The projector built-in type according to claim 2, wherein the guide means comprises a guide protrusion (17) formed to face the receiving groove (15) and a guide groove (18) formed on the guide plate to be fitted to the guide protrusion. Video cassette record. 3. The locking groove as set forth in claim 2, wherein the positioning means includes a pair of locking grooves (19a) and (b) formed up and down so as to be positioned at right angles to the guide projection formed in the accommodation groove (15). Projector built-in video cassette record, characterized in that consisting of the engaging piece 20 is elastically installed to be protruded to both sides of the guide plate to be fitted in. The video cassette recorder with a built-in projector according to claim 4, wherein a rounding part (20a) is formed at the end of the engaging piece (20). 5. The video cassette recorder with a built-in projector according to claim 4, wherein the locking piece (20) is elastically installed on the guide plate (16) with a leaf spring (22). According to claim 2, Projection angle adjusting means is inserted into the insertion hole 26 formed in the guide plate 16, the insertion hole is fastened by the rotation guide 28 and the rotator 27 is coupled to the projector 13 and And a ball (30) elastically installed in the projector to be selectively fitted in the locking groove (32a) formed in the rotator. The method according to claim 7, wherein the annular recess groove 34 is formed on the rear surface of the insertion hole 26 formed in the guide plate 16 and the projection 28a is fitted to the recess groove in the rotation guide 28. Built-in video cassette recorder, characterized in that the projector. The video cassette recorder with a built-in projector according to claim 2, characterized in that a handle (25) is formed on an upper surface of the projector (13). A projector installed on the VCR main body 12 having a receiving groove 15 formed on one side of the VCR unit 14 and a guide plate 16 pivoted by a hinge in the receiving groove to project the captured image onto a screen ( 13), positioning means for determining the position of the projector while the projector is drawn out, and projection angle adjusting means for switching the projection direction of the projector. 11. The method according to claim 10, wherein the positioning means is connected to the locking groove (19) formed on the upper side of the receiving groove (15) located opposite the hinge axis of the projector (13) and the locking groove of any one of the pair of locking grooves. Built-in video cassette recorder, characterized in that consisting of the engaging piece 26 is installed to be protruded to one side of the guide plate to be fitted. 12. The built-in video cassette recorder according to claim 11, wherein a rounding part (20a) is formed at the end of the engaging piece (20). 12. The built-in video cassette recorder according to claim 11, wherein the engaging piece (20) is elastically mounted to the guide plate (16) with a leaf spring (22). 11. The method according to claim 10, wherein the projection angle adjusting means is inserted into the insertion hole 26 formed in the guide plate 16, the rotator 27 is fitted into the insertion hole is fastened by the rotation guide 28 and the projector 13 is coupled to And a ball (30) resiliently installed in the projector to be selectively fitted into the locking groove (32a) formed in the rotator. 15. The method of claim 14, wherein the annular recess groove 34 is formed on the rear surface of the insertion hole 26 formed in the guide plate 16, and the projection 28a is formed in the rotation guide 28 to fit into the recess groove. Built-in video cassette recorder, characterized in that the projector. The built-in video cassette recorder according to claim 10, wherein a handle (25) is formed on the side of the projector (13). A VCR body 12 having a projector 13 built into one side of the VCR unit 14, a base 36 supporting the VCR body, and projection angle adjusting means for switching the direction of the VCR body from the base. The built-in video cassette recorder characterized by the above-mentioned. 18. The video cassette recorder with a built-in projector according to claim 17, wherein the VCR main body (12) is built so that the projector lens side of the projector (13) faces the rear side. 19. The video cassette recorder with a built-in projector according to claim 18, wherein a door (13) is provided on the rear surface of the VCR main body (12) to close the project lens side of the projector (13). 19. The video cassette recorder with a built-in projector according to claim 18, wherein an LCD (37) is provided on the front of the VCR main body (12). 18. The projection angle adjusting means according to claim 17, wherein the projection angle adjusting means includes a base 6 having a boss 39, a tilt adjusting guide 40 fixed to the VCR body, and having a long hole 40b formed at the center thereof. A video cassette recorder with a projector, characterized by comprising a rotation guide (41) positioned upward and guiding them when the VCR body is rotated, and a washer (42) for engaging the screw with the rotation guide.