JPH0719894U - Eject button display device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an eject button display device in which an indicator dedicated to display is reduced to reduce cost and an extra space for installing this indicator is unnecessary. [Structure] Illumination shows that a CD 10 is inserted in the device by using the eject switch 5 with an indicator, which is previously arranged in the device, without newly disposing an indicator on the front face of the device.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an eject button display device that illuminates an eject button that ejects a recording medium.

[0002]

[Prior art]

 For example, in a CD (Compact Disc) deck, which is a type of on-vehicle audio equipment, there is an eject button to eject the CD used as a recording medium after the performance of the CD, and the fact that the CD is inserted in the deck. An eject button display device provided with a disk indicator for displaying by lighting is provided. FIG. 6 shows such a conventional eject button display device. 1 is an eject button arranged on the front face of the device, and 23 is an LED arranged at a position different from the eject button 1 on the front face of the device. An indicator 2, a CD insertion slot for inserting and ejecting a CD, and 3 are other buttons than the eject button 1 such as functions and presets. An eject switch with an indicator for illuminating the eject button 1 is arranged inside the device.

To play a CD, a CD is inserted from the CD insertion slot 2 and then a required button is operated to play the CD. After the performance, the eject button 1 is operated to eject the CD from the CD insertion slot 2 to the outside. When a CD is inserted, this state can be confirmed by turning on the indicator 23 to illuminate it.

[0004]

[Problems to be solved by the device]

 Incidentally, the conventional eject button display device has the following problems. (1) Since the indicator 23 consisting of an LED or the like that illuminates that a CD is inserted is arranged on the front of the device, this indicator 23 must be used as a dedicated component, so avoiding cost increase. I can't. (2) An extra space for arranging the indicator 23 must be secured on the front of the device. As a result, the processing cost for arranging the indicator 23 increases, the design is difficult, the operability and the visibility are deteriorated, and the like.

The present invention has been made to address the above problems, and reduces the indicator dedicated to display to reduce the cost, and eliminates the extra space for installing this indicator. It is an object of the present invention to provide an eject button display device as described above.

[0006]

[Means for Solving the Problems]

 To achieve the above object, the present invention provides a means for determining whether or not a recording medium is installed in an apparatus, an eject button disposed on the front surface of the apparatus for ejecting the recording medium based on an operation, It is characterized by having an indicator arranged inside the device for illuminating the eject button, and means for turning on the indicator when the judging means judges that the recording medium is installed in the device. It is a thing.

[0007]

[Action]

 According to the configuration of the present invention, when it is determined by the means for determining whether or not the recording medium is installed in the device, the eject button for ejecting the recording medium is pressed. The eject button is illuminated by turning on the illumination indicator. As a result, the fact that a recording medium such as a CD is inserted in the device can also be indicated by the illumination by also using the eject button indicator, so that the indicator dedicated to the display can be reduced and the cost can be reduced. The extra space for installing this indicator can be dispensed with.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing an embodiment of an eject button display device of the present invention, 1 is an eject button made of a semi-transparent member disposed on the entire surface of the device, 2 is a CD insertion slot for inserting and ejecting a CD, Reference numeral 3 is a button other than the eject button 1, such as a function and a preset. Further, an eject switch with an indicator for illuminating the eject button 1 is arranged inside the device as described later. FIG. 2 is a cross-sectional view showing the vicinity of the eject button 1. A bar member 4 is arranged on the back side of the eject button 1, and the tip of the bar member 4 is turned on and off according to the operation of the eject button 1. The eject switch 5 with an indicator is attached to the substrate 6. In addition, the indicator of the eject switch 5 with the indicator illuminates the eject button 1 from the back side.

FIG. 3 is a cross-sectional view showing the vicinity of the CD insertion slot 2, and a loading mechanism 7 for the CD 10 is provided on the back side of the CD insertion slot 2. The transport roller 8 rotated by the motor is arranged so as to face the guide member 9, and the CD 10 inserted into the CD insertion slot 2 is sandwiched between the transport roller 8 and the guide member 9, and the transport roller 8 It is conveyed to the front by the rotating force of and is positioned on the spindle 11. A vertically movable clamper 12 is arranged above the spindle 11, and the spindle 11 is rotationally driven by a motor 13 arranged below this. Reference numerals 14 and 15 respectively constitute a disc detection sensor 20 composed of a light emitting element and a light receiving element which are arranged above and below the CD 10, and are for optically detecting (determining) the presence or absence of the CD 10. When playing the CD 10, the CD 10 is rotated downward by the motor 13 while the upper surface thereof is pressed by the clamper 12, and a signal is optically read from the back surface of the CD 10 by an optical pickup device (not shown).

FIG. 4 shows the configuration of the control unit of the eject button display device according to the present embodiment. Reference numeral 16 is a CPU (central processing unit) which controls the control operation of the entire device, and the CPU 16 includes a battery 17. A backup power supply is connected and an ACC power supply 18 is connected, and the ACC power supply 18 is turned on and off by an ACC switch 19. The CPU 16 controls the indicator of the eject switch 5 with an indicator to be turned on and off based on the detection signal from the disc (CD) detection sensor 20, and when the detection signal with a disc is input, the eject switch 5 with an indicator of the disc is detected. Control to turn on the indicator. Similarly, the CPU 16 controls on / off of the other buttons (buttons for repeat, scan, function, preset, etc.) indicator 21, and also controls the loading mechanism 7 of the CD 10 as shown in FIG. Is configured to. Further, another operation switch group 22 including the eject switch 5 with an indicator is connected to the CPU 16 so that a signal according to ON / OFF of each switch is input.

Next, the operation of the eject button display device of this embodiment based on the CPU 16 will be described with reference to the flowchart of FIG. In the state where the backup power supply by the battery 17 is turned on in advance, first, in Step A, it is determined whether the POWER switch is ON or OFF. If it is OFF, the flow proceeds to Step B, where the CPU 16 sets another button. The indicator 21 is controlled to be turned off and turned off. If it is on, the flow proceeds to step C, where the CPU 16 controls the other button indicators 21 to turn them on and light them.

Next, in step D, it is determined whether or not a disc is detected. When the detection signal indicating the presence of the disk is input, the flow proceeds to step E, where the CPU 16 controls the indicator portion of the eject switch 5 with the indicator to turn on the indicator. On the other hand, if the detection signal indicating that there is no disk is input, the flow proceeds to step F, where the CPU 16 controls the indicator portion of the eject switch 5 with an indicator to turn on the indicator. After that, the same operation is repeated.

According to this embodiment, the following effects can be obtained. (1) Instead of newly arranging an indicator on the front of the device, the eject switch 5 with an indicator, which is arranged in advance in the device, is also used to illuminate that the CD 10 is inserted in the device. Therefore, it is not necessary to use a dedicated component, and the cost can be reduced. (2) By eliminating the need for a dedicated indicator, it is no longer necessary to secure extra space on the front of the device. Along with this, it is possible to reduce the processing cost for disposing the indicator, facilitate the design, and further improve the operability and the visibility. Although the CD has been described as an example of the recording medium in the text, the present invention is not limited to this and can be similarly applied to other recording media.

[0014]

[Effect of device]

 As described above, according to the present invention, the recording medium is inserted into the device without using a new indicator on the front face of the device and also as an eject button indicator that is previously arranged in the device. Since it is designed to illuminate, it is not necessary to use a dedicated part, so that it is possible to reduce the number of indicators dedicated to the display and reduce the cost, and it is also possible to eliminate the extra space for installing this indicator.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of an eject button display device of the present invention.

FIG. 2 is a cross-sectional view showing a part of the eject button display device of the present embodiment.

FIG. 3 is a cross-sectional view showing another portion of the eject button display device of the present embodiment.

FIG. 4 is a block diagram showing a configuration of a control unit of the eject button display device of the present embodiment.

FIG. 5 is a flowchart illustrating an operation of the eject button display device according to the present exemplary embodiment.

[Explanation of symbols]

 1 Eject Button 2 CD Insert Port 3 Function, Preset Button 4 Eject Button 1 Bar Member 5 Eject Switch with Indicator 6 Board 7 Loading Mechanism 8 Conveyor Roller 9 Guide Member 10 CD 11 Spindle 12 Clamper 13 Motor 14 Light-Emitting Element 15 Light-Receiving Element 16 CPU (Central Processing Unit) 17 Battery 18 ACC Power Supply 19 ACC Switch 20 Disk Detection Sensor 21 Other Button Indicator 22 Other Operation Switch Group 23 DISC Indicator

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[Procedure amendment]

[Submission date] February 1, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Added

[Correction content]

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of an eject button display device of the present invention.

FIG. 2 is a cross-sectional view showing a part of the eject button display device of the present embodiment.

FIG. 3 is a cross-sectional view showing another portion of the eject button display device of the present embodiment.

FIG. 4 is a block diagram showing a configuration of a control unit of the eject button display device of the present embodiment.

FIG. 5 is a flowchart illustrating an operation of the eject button display device according to the present exemplary embodiment.

FIG. 6 is a front view showing a conventional eject button display device.
It

Claims (1)

[Scope of utility model registration request] 1. A means for determining whether or not a recording medium is installed in the apparatus, an eject button arranged on the front surface of the apparatus for ejecting the recording medium based on an operation, and arranged inside the apparatus. An eject button display device comprising: an indicator for illuminating the eject button; and a means for turning on the indicator when the determination means determines that a recording medium is installed in the apparatus.