JPS6235785A - Electronic camera - Google Patents

Abstract

PURPOSE:To prevent a magnetic disk sheet from deforming when unused for a long period by interlocking a magnetic head with an operating member which is operated when the camera is not used, and preventing the magnetic head from separating from the magnetic disk sheet applying its contacting pressure to the magnetic disk sheet when the camera is not used. CONSTITUTION:When the camera is not used, its power switch is rotated to a position 'OFF'. Consequently, the projection part 13a of a contact piece opening/closing gear 13 contacts a contact piece 14 and leaves a contact piece 15 to run off the power source. Simultaneously, a gear 13 rotates a guide shaft 11 through a gear 12 to swing a head carriage 9 as shown by an arrow B, separating the magnetic head 16 from the magnetic sheet 8. Therefore, the magnetic sheet 8 is released from the contacting pressure of the magnetic head 16 when the camera is not used, thereby eliminating troubles in deformation which is caused in a long period.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of the Invention) The present invention utilizes a magnetic disk and records a plurality of still images thereon.The present invention is an electronic camera that uses a magnetic disk to record a plurality of still images.In particular, it incorporates a small floppy disk and records images using a magnetic recording head. This invention relates to the structure of a magnetic recording head for an electronic camera.

(Prior Art) So-called electronic cameras that have a built-in small floppy disk and magnetically record a plurality of images on the disk are widely known, and various models have been developed. In order to perform magnetic recording in good condition, this type of electronic camera generally uses a magnetic recording head (
While the head (hereinafter simply referred to as the head) is in contact with the disk sheet of the floppy disk, a head pad presses the sheet against the head from the opposite side of the head.

However, if the camera is left for a long time with the head pad pressing the sheet against the head, the sheet may become deformed due to the head being pressed, and subsequent recording and playback conditions may deteriorate. be. Also,
If vibrations or shocks are applied when carrying or transporting a camera, the sheet may be dented or scratched.

Furthermore, depending on the material of the pad, the head may be damaged, which poses a serious problem in practice.

(Object of the Invention) In view of the above-mentioned problems, the present invention aims to provide an electronic camera in which the sheet is not deformed or the sheet or head is not damaged even if it is left for a long time or is subjected to vibrations or shocks. The purpose is to

(Structure of the Invention) The electronic camera of the present invention separates the head from the sheet when not in use, and brings the head into contact with the sheet only when in use.
The camera is characterized in that the head is linked to an operating member that is operated when the camera is not in use, so that the head does not come into contact with the sheet when the camera is not in use.

In particular, it is desirable that this operating member be operated to a position that is normally not used when not photographing, such as a power switch, for example, without the photographer having to consciously operate it. Furthermore, items such as the shutter button that are pressed only at the moment of copying (it is assumed that the operation is not pressed when not in use) are automatically moved to a position where they are not in use during non-R shadows. It is more preferable if the head is interlocked with the camera, since the head can be automatically removed from the seat when the camera is not in use.

(Example) Hereinafter, the present invention will be explained in detail with reference to the drawings.

FIG. 1 does not show an embodiment of the present invention, and shows a camera body 1.
The figure shows a single-lens reflex camera equipped with a photographing lens 2 on the front of the camera, in which an image sensor 3 and a floppy disk 4 for recording signals from the sensor 3 are built-in.

A shutter button 5 and a power switch 6 are provided on the top surface of the camera body 1, and a packet 7 containing a floppy disk 4 is provided on the back surface of the camera body 1 so as to be openable and closable. The power switch 6 is in the form of a dial for switching between ON and OFF, and FIG. 1 shows the ON state.

FIG. 2 shows a mechanism for moving the magnetic head 16, which comes into contact with the floppy disk 4 for recording signals, by operating the power switch 6. The floppy disk 4 contains a magnetic sheet 8, and a magnetic head 16 that comes into contact with the magnetic sheet 8 is fixed to a head carriage 9. The head carriage 9 is provided so as to be slidable in the vertical direction (coinciding with the radial direction of the magnetic sheet 8) on two guide shafts 10.11 installed parallel to the magnetic sheet 8, and is pulled diagonally downward. It is biased downward by a spring 17, and is caused to move up and down along the guide shaft 10.11 by the up and down movement of the drive bin 18. This vertical movement is performed upon completion of recording, and as a result, the magnetic head 16 records on the magnetic sheet 8 along concentric tracks.

One of the two guide shafts 10.11 is fixed, and the other 11 has a cutout surface 11a with a part of its circumferential surface cut away.
This cutout surface 11a is made adjacent to a part of the head carriage 9 so that it can be rotated freely, and the head carriage 9 is biased roughly in the direction of the arrow by the tension spring 17, and the rotation of the other guide shaft 11 causes the head carriage 9 to rotate. One guide shaft 10
The magnetic head 16 is oscillated about the surface of the magnetic sheet 8 so as to be brought into contact with and separated from the surface of the magnetic sheet 8. A gear 12 is coaxially fixed to the upper end of the other guide shaft 11, and this gear 12 meshes with a contact opening/closing gear 13 coaxially fixed to the shaft 6a of the power switch 6. This contact piece opening/closing gear 13 has a power switch contact piece 14 on a part of the circumference.
．． A convex portion 13a is provided for abutting one 14 of the two 15 and separating it from the other 15 to turn off the power.

The details of a mechanism for moving the head carriage 9 18 times by rotating the other guide shaft 11 are shown in FIG.

The end portion of the head carriage 9 is formed into a fork shape, and the guide shaft 11 is positioned between the pair of fork portions 9A19B. A through hole 9a is provided in one of the fork parts 9A, a coil spring 9b is inserted into the through hole 9a, the spring 9b is compressed by the lid 9C and the ball 9d, and the ball 9d is pushed toward the guide shaft 11 by the spring 9b. The notch surface 11a of the guide shaft 11 is brought into contact with the inner surface of the fork portion 9B being used. As a result, the center 11 of the guide shaft 11
By rotating around b, the head carriage 9 can be swung around the guide shaft 10 in the force direction of arrow AB. That is, when the cutout surface 11a of the guide shaft 11 is in contact with the inner surface of the fork portion 9B as shown in FIG. The distance d from the inner surface is minimized and the guide shaft 11 is at the swing end in the direction of arrow B, and the guide shaft 11 rotates so that the inner peripheral surface other than the notched surface 11a becomes the fork part 9.
When in contact with the inner surface of the guide shaft 11, the distance d is made equal to the radius γ of the guide shaft 11, and the guide shaft 11 is at the swing end in the direction of the arrow.

Therefore, when not recording, that is, when the camera is not in use, the fourth
The head carriage 9 is swung in eight directions in the state shown in the figure, and the magnetic head 16 is separated from the magnetic sheet 8.

Next, the operation of the above embodiment will be explained with reference to FIGS. 2 and 4. Insert the floppy disk 4 into the packet 7 and turn on the power switch 6 for recording when using the camera.
Rotate to position j. As a result, the contact piece opening/closing gear 13 removes the convex portion 13a from the contact piece 14, the contact pieces 14 and 15 close, and the power is turned on. At the same time, the gear 12 rotates due to the rotation of the gear 13, and the circumferential surface of the guide shaft 11 other than the cutout surface 11a rotates to a position where it comes into contact with the inner surface of the fork part 9B of the helad carriage 9, and the head carriage 9 moves in the direction of the arrow. The magnetic head 16 is brought into contact with the magnetic sheet 8 and becomes ready for recording. During recording, the carriage drive bin 18 causes the rad carriage 9 to descend in this state along the two guide shafts 10.11.

After recording, when the camera is no longer in use, turn the power switch 6 to the rOFFJ position. As a result, the convex portion 13a of the contact piece opening/closing gear 13 comes into contact with the contact piece 14 and separates from the contact piece 15, thereby turning off the power. At the same time, the gear 13 rotates the guide shaft 11 via the gear 12 to the position shown in FIG. 4, swings the head carriage 9 in the direction of arrow B, and separates the magnetic head 16 from the magnetic sheet 8.

As a result, when not in use, the magnetic sheet 8 is attached to the magnetic head 1.
6 is released from the contact pressure, and problems such as deformation over a long period of time are solved.

In the above embodiment, a power switch is used as an operating member operated when the camera is not in use, but this is not supported by other members, such as a lens protector that is moved to the front of the lens to protect the lens when the camera is not in use. A lens l1ji or the like in a collapsible camera may be used as an operating member. An example of this is shown below.

FIG. 5 shows a lens protector 22 movably provided on the front surface of the camera body 20 so that it can be moved to the front surface of the lens 21 when the camera is not in use.
Gear train 2 is attached to gear 25 of the guide shaft, which corresponds to gear 12 of
This shows an example of interlocking via 3.24. As a result, when using the camera, the lens protector 22 is removed from the front surface of the lens 21 and moved to the position shown in FIG. 5, and the gear 25 is connected to the guide shaft (
(not shown) is rotated so that the magnetic head to which the head carriage is attached swings to the position where it contacts the magnetic sheet, and when the camera is not in use, the lens protector 22 is moved to the front of the lens and the gear 25 is rotated so that the magnetic head is in contact with the magnetic sheet. Rotate it away from the magnetic sheet. The structure after the guide shaft may be the same as that of the embodiment shown in FIGS. 1.2, so the explanation will be omitted.

FIG. 6 shows an example in which gears 33, 34, and 35, which correspond to gears 23, 24, and 25 in FIG. 5, are rotated in response to the collapsing operation of the lens barrel 31 of the collapsible camera 30.

The collapsing operation is transmitted to gear 33 via lever 32.

One end of the lever 32 is urged against the rear end of the lens barrel 31, and the lever 32 is moved by an arrow X by a guide (not shown) in conjunction with the back and forth movement of the lens barrel 31.
The other end of this lever 32 has a long hole 32a that engages with a pin 33a implanted in a part of the gear 33.
The back and forth movement of the lever 32 is converted into rotation of the gear 33. In this embodiment, the magnetic head 16 is separated from the magnetic sheet by collapsing the lens barrel when not in use.

(Effects of the Invention) As is clear from the description of each embodiment above, according to the present invention, the magnetic head is linked to the operating member that is operated when the camera is not in use, and the magnetic head is separated from the magnetic disk sheet when the camera is not in use. Since head contact pressure is not applied to the magnetic disk sheet, there is no problem of the magnetic disk sheet being deformed or damaged during long periods of non-use.

As described above, the electronic camera of the present invention is extremely useful in practice, and improves the practicality of the electronic camera and the quality of the product.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one embodiment of an electronic camera according to the present invention, FIG. 2 is a perspective view of the main parts thereof, and FIG. 3 is a schematic diagram showing a further different embodiment. 1...Camera body 2...Lens 4...
・Floppy disk 6...II switch 8...
・Magnetic disk sheet 9...Head carriage io, 1i...Guide shafts 14, 15...Power supply contact piece 16...
Magnetic head Fig. 1 Fig. 2 N

Claims (1)

[Claims] 1) Bringing the recording head into contact with the magnetic disk accommodated,
An electronic camera for recording images, characterized in that the recording head is linked to an operating member that is operated when the camera is not in use, and the recording head is detached from a magnetic disk when the camera is not in use. 2) The recording head is installed on a swinging member that is biased in a direction to bring the head into contact with the magnetic disk, and the operating member moves the head on the swinging member away from the magnetic disk when the camera is not in use. The electronic camera according to claim 1, wherein the electronic camera is interlocked with the swinging member so as to swing in the direction.