JPH0531043U - Structure of character display - Google Patents

Abstract

(57) [Summary] [Purpose] The character display part has a simple assembly structure with cost reduction achieved by printing fluorescent paint and semi-transparent paint on the character display part such as knobs and cassette doors. It is provided. [Structure] A character display section that displays operating functions such as knobs equipped in electronic equipment, and this character display section is printed or silk-printed with fluorescent paint or fluorescent paint and semi-transparent paint (film material), or fluorescent material A display character is displayed by a two-color molding resin of a mixed resin in which the above-mentioned display character is illuminated by the light irradiating the character display portion.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a structure of a character display unit of an operating device such as a knob mounted on a front panel of an electronic device, and particularly to a structure of a character display unit suitable for illuminating a display character with light.

[0002]

[Prior art]

 Conventionally, the structures of character display portions such as knobs and cassette doors provided on the front panel of electronic devices are often provided as shown in FIGS. 6 to 8. FIG. 6 is a sectional view showing an operation mechanism of three knobs, FIG. 7 is a sectional view showing a cassette door, and FIG. 8 is a front view of a main part of a front panel equipped with the cassette door.

In FIG. 6, reference numeral 1 denotes a front panel. By attaching the knob 2 to a metal plate 6 inside the apparatus so that the head of the knob 2 is exposed on the surface of the front panel 1 and pressing the knob 2, An illuminated tact switch 31 (hereinafter, referred to as an illuminated tact switch 31) that operates is attached to the printed circuit board 8. Reference numeral 5 denotes a rubber cushion, which plays a role of giving a feeling when the knob 2 is pressed.

When the black paint 30 without a display character is applied to the head of the knob 2 configured as described above and the knob 2 is pressed to turn on the illuminated tact switch SW31, the illumination lamp built in the illuminated tact switch SW31 ( Or, the LED) lights up, and the light from this illumination lamp guides the knob 2 main body to illuminate the display characters formed by the black paint 30 without the display characters on the head.

FIGS. 7 and 8 show a cassette door 20 mounted on the front panel 1 of an audio device. The cassette door 20 is made of a transparent material and has a black silk 22 and a white color without a display character on the back. Silk 32 is printed on the front of the cassette door 20 to display a display character such as “CASSETTE” as shown in the figure.

Reference numeral 35 in FIG. 7 and reference numeral 41 in FIG. 8 denote notches which are shown by notching the main part of the front panel 1. As shown by the notches 35 and 41, the lower part of the cassette door 20 is provided. A light guide member 33 (FIG. 7) or a light guide member 40 (FIG. 8) that guides the light from the lamp 34 mounted on the printed circuit board 8 is arranged, and the characters displayed on the cassette door 20 can be illuminated. ..

[0007]

[Problems to be solved by the device]

 However, the structure for illuminating the display characters of the conventional knob 2 and the cassette door 20 described above is controlled by the lighting of the built-in lamp of the illuminated tact switch SW31 and the lamp 34 mounted on the printed circuit board 8 and the knob 2 body and Since the light is radiated through the light guide members 33 and 40, there are disadvantages that the number of constituent parts increases and the unit price of parts increases. In particular, the cost of the illuminated tact SW31 was high.

Further, there is a drawback that the wiring of the lamp, the mounting structure of the light guide member, and the like are complicated, and a lot of mounting space for these is required.

The present invention has been made in view of the above points, and its object is to solve the drawbacks of the conventional example and to print a fluorescent paint and a semi-transparent paint on the character display portion such as the knob. We are providing a structure of the character display part that is formed by forming a simple assembly structure to reduce the cost.

[0010]

[Means for Solving the Problems]

 The structure of the character display unit of this invention is a character display unit that displays the operating functions of the operating device equipped in the electronic device, and a display character formed on this character display unit with a white member, and the light that illuminates this character display unit. According to the structure of the character display unit configured to illuminate the display character, the display character is printed with fluorescent paint.

Further, a film member of semi-transparent paint may be printed on the display characters printed with the fluorescent paint.

[0012] The operating device is a knob for pressing a switch mounted on a printed circuit board, and fluorescent paint or fluorescent paint and a semi-transparent paint are printed on the head of the knob to illuminate display characters. It may be configured as follows.

Further, the knob is made of a two-color molding resin, the primary side member of the two-color molding resin is made of a mixed resin mixed with a fluorescent material, and the secondary side member is made of a black resin without display characters. However, a semi-transparent paint may be printed on the secondary member to illuminate the display characters.

Further, the operating device is a cassette door mounted on a front panel of an audio device, and fluorescent silk or fluorescent silk and semi-transparent silk are printed on the cassette door to illuminate display characters. It may be configured.

[0015]

[Action]

 According to this invention, a display character indicating the operation function of a knob or a cassette door, which is an operation device equipped in an electronic device, is printed on the head of the knob and the front surface of the cassette door with fluorescent paint, or with fluorescent paint and semi-transparent paint. However, it is possible to illuminate the display characters printed with the fluorescent paint by light from the outside.

Further, the fluorescent paint or the semi-transparent paint may be formed by applying a fluorescent silk or a semi-transparent silk formed by silk printing, and the illumination state of the displayed characters may have the same effect as above. it can.

In addition, the primary side member of the two-color molded resin may be molded with a mixed resin in which a fluorescent material is mixed, and the display characters without the display characters on the secondary side member may be displayed in an illuminated manner in the same manner as above. it can.

As described above, by constructing the character display portion of the operating device using the fluorescent material, the illumination type tact switch and the irradiation lamp, which have been used in the conventional example, can be eliminated. Can be reduced and productivity can be improved.

[0019]

【Example】

 An embodiment of the structure of the character display unit according to the present invention will be described with reference to FIGS. The same parts as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. 1 is a cross-sectional view showing three knobs 2, FIG. 2 is a front view showing the head of the knob 2 of the front panel 1 (Embodiment 1), and FIG. 3 shows a knob 2 of another embodiment. FIG. 4 is a sectional view showing the cassette door 20 (Example 2), and FIG. 5 is a front view showing the cassette door 20 of the front panel 1 (Example 3).

Example 1 In FIGS. 1 and 2, 3 is a fluorescent paint printed on the head of the knob 2, 4 is a semi-transparent paint of a film member printed on the fluorescent paint 3, A tact switch 7 is operated by pressing the knob 2.

The tact switch 7 mounted on the printed circuit board 8 can be turned on / off by pressing the knob 2, and the head portion of the knob 2 is displayed with fluorescent paint 3 to indicate characters, for example, as shown in FIG. As described above, “1”, “2”, “3”, etc. are printed, and the operation functions of the plurality of knobs 2 arranged side by side can be distinguished and displayed.

In this way, by printing the display characters on the head of the knob 2 with the fluorescent paint 3, the display characters are illuminated and displayed with light from the outside.

Further, there is a limit to the kinds of colors of the fluorescent paint 3, and the semi-transparent paint 4 (film material) is used in order to produce the illumination color (emission color) of the display characters of other shades due to the design of the device. ) Is printed on the fluorescent paint 3 to give an arbitrary illumination color.

Example 2 In another example of FIG. 3, 10 is a primary side member formed of a two-color molding resin, and 11 is a secondary side member. The primary member 10 of the two-color molded resin is molded with a mixed resin mixed with a fluorescent material, and the secondary member 11 molded with a black resin is formed on the outside of the primary member 10. The side member 11 forms the display character without the display character on the head of the knob.

The two-color molded resin knobs 10 and 11 thus formed have the display characters formed on their heads displayed on the primary member 10 containing the fluorescent material. It is illuminated by light from the outside.

Further, by printing the semi-transparent paint 4 (film material) on the primary member 10, it is possible to create a display character of any illumination color as described above, which is suitable for the design of the device. Color display can be enabled.

(Embodiment 3) FIGS. 4 and 5 are other embodiments showing the characters displayed on the cassette door 20, in which 21 is a fluorescent silk silk-screened with a fluorescent member and 22 is a display character. The black silk that was printed on the blank was silk-printed with black paint, and 23 is the semi-transparent silk that was silk-printed with the semi-permeable material. Reference numeral 24 is an operation knob attached to the front panel 1.

When displaying a display character such as “CASSETTE” on the cassette door 20 to which the cassette tape of the audio device is attached, as shown in the figure, the semi-transparent silk 23 is formed on the back surface of the cassette door 20 formed of a transparent material. , And then print the black silk 22 and fluorescent silk 21 on which the displayed characters have been removed.

By printing the semi-transparent silk 23, the black silk 22 and the fluorescent silk 21 on the cassette door 20 in this manner, the fluorescent silk 21 is illuminated by the light emitted from the outside, and the illuminated light is displayed. Only the displayed characters can be illuminated with the semi-transparent silk 23 (film member) on the surface of the cassette door 20 through the black silk 22 without characters.

The luminescent color illuminated by the fluorescent silk 21 and toned by the semi-transparent silk 23 can be decided to any color tone by selecting the semi-transparent silk 23 material. You can create a display character that lights up together.

As described above, the structure of the character display unit for illuminating the display characters displaying the operation functions of the knob 2 and the cassette door 20 provided on the front panel 1 of the electronic device with the fluorescent member is explained. The character display portion other than the door 20 may be illuminated by the structure of the above invention. It is also possible to configure the display characters to be processed by hot stamping.

[0032]

[Effect of the device]

 As described above, the structure of the character display unit according to the present invention can illuminate the display characters indicating the operation function by the fluorescent member and the semi-transmissive member, so that the number of parts can be reduced and the productivity can be reduced. It is possible to improve the component cost and reduce the component cost and the production cost. In particular, there is an effect that the illuminated tact switch, which has a high component cost, can be eliminated.

Further, since the color tone to be illuminated can be arbitrarily determined by the semi-transmissive member, there is an effect that the device can be configured without any trouble in the external design of the device.

Moreover, it has excellent features such as a simple structure and easy implementation because it can be constructed at low cost.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of the structure of a knob operating mechanism and a character display portion of the head of the knob equipped on the front panel surface according to the present invention.

FIG. 2 is a front view showing characters displayed on a knob of a front panel.

FIG. 3 is a cross-sectional view showing an embodiment of a knob operating mechanism and a knob head of another embodiment.

FIG. 4 is a cross-sectional view showing an embodiment of a cassette door of another embodiment.

5 is a front view showing the characters displayed on the cassette door of FIG. 4. FIG.

FIG. 6 is a cross-sectional view showing a knob operating mechanism and display characters on the head of the knob of a conventional example.

FIG. 7 is a cross-sectional view showing a conventional cassette door.

8 is a front view showing the characters displayed on the cassette door of FIG. 7. FIG.

[Explanation of symbols]

 1 Front Panel 2 Knob 3 Fluorescent Paint 4 Semi-Transparent Paint 5 Rubber Cushion 6 Metal Plate 7 Tact Switch (Tact SW) 8 Printed Circuit Board 10 Primary Member of Two-Color Molding Resin 11 Secondary Member of Two-Color Molding Resin 20 Cassette door 21 Fluorescent silk 22 Black silk without display characters 23 Semi-transparent silk

Claims (5)

[Scope of utility model registration request] 1. A character display section for displaying an operation function of an operating device equipped in an electronic device, a display character formed on the character display section by a white member, and the display character is displayed by light emitted to the character display section. In the structure of the character display unit configured to illuminate, the structure of the character display unit is characterized in that the display characters are printed with fluorescent paint. 2. The structure of the character display section according to claim 1, wherein a film member made of a semi-transparent paint is printed on the display characters printed with the fluorescent paint. 3. The control device is a knob for pressing a switch mounted on a printed circuit board, and fluorescent paint or fluorescent paint and semi-transparent paint are printed on the head of the knob to illuminate a display character. The structure of the character display unit according to claim 1, wherein the character display unit is configured to display. 4. The knob is made of a two-color molding resin, the primary side member of the two-color molding resin is made of a mixed resin mixed with a fluorescent material, and the secondary side member is made of a black resin without display characters. The structure of the character display unit according to claim 1, 2 or 3, wherein a semi-transparent paint is printed on the secondary member to illuminate display characters. 5. The cassette door mounted on the front panel of an audio device, wherein the operating device is configured to print fluorescent silk or fluorescent silk and semi-transparent silk on the cassette door to illuminate display characters. The structure of the character display unit according to claim 1 or 2, wherein: