JPH0716451U - Telephone - Google Patents

Abstract

(57) [Abstract] [Purpose] It is possible to prevent damage to the circuit board due to external force and prevent the deterioration of recognition due to scratches on the top surface of the light diffuser, and to prevent mutual interference with light from the light emitting diode due to external light or illumination. The objective is to improve the visibility of lighting even if it occurs. A bottom surface 27a of a light diffuser 27 formed of a transparent material is arranged at a position facing the light emitting diode 5, and the light diffuser 27 is penetrated at a position facing the light emitting diode 5 of the upper cover 3 of the telephone body 1. Through holes 4a are provided, slopes 27b are formed at the front and rear ends of the upper portion of the light diffuser 27, and a V-shaped groove 27c is provided on the top surface of the upper portion of the light diffuser 27 so as to be sandwiched by the slope 27b. Has a V-shaped projection 28a on the top surface that engages with the V-shaped groove 27c of the light diffuser 27.
And a window 28b on the front and rear surfaces, and a window frame 28 for covering the through hole 4a is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a telephone, and in particular to an incoming call display, an operation display, and a push button display by the light emitted from a light emitting diode of the telephone.

[0002]

[Prior art]

 2 is a perspective view showing an appearance of a telephone of the first conventional example, FIG. 3 is a perspective view showing an essential part of the telephone, FIG. 4 is an exploded perspective view showing an essential part of the telephone, and FIG. It is a -B line sectional view. In the figure, 1 is a telephone body, 2 is a handset, 3 is an upper cover of the telephone body 1, 4 is a panel for displaying an incoming call of the upper cover 3, and 4a is a light diffuser, which will be described later, provided on the panel 4. The through holes 4b are ribs provided on the lower surface of the panel 4 and covering the periphery of the light diffuser so as not to let the light escape to the outside. 5 is a light emitting diode, 6 is a circuit board to which the light emitting diode 5 is attached, 7 is a light diffuser for diffusing the light of the light emitting diode 5 to the outside, and 7a is a light diffuser facing the light emitting diode 5. The bottom surface 7b of the light diffuser 7 is an R-shaped top surface of the light diffuser 7, and is projected from the through hole 4a of the panel 4 and exposed to the outside.

The telephone of the first conventional example is configured as described above. For example, when an incoming call is received by the telephone, an internal circuit (not shown) of the telephone body 1 detects the incoming call and turns on the light emitting diode 5. To do. The light emitted by the light emitting diode 5 strikes the bottom surface 7a of the light diffuser 7, and a part of the light enters the bottom surface 7a while being reflected by the rib 4b of the panel 4 and passes through the light diffuser 7. Therefore, the light emitted from the light emitting diode 5 is transmitted through the light diffuser 7, and transmitted from the R-shaped top surface 7b of the light diffuser 7, so that the user can recognize the light emission of the light emitting diode 5. . The top surface 7b of the light diffuser 7 has an R shape because the lighting of the light emitting diode 5 can be recognized from the front surface and the back surface of the telephone body 1.

FIG. 6 is an exploded perspective view showing an essential part of a second conventional telephone set, and FIG. 7 is a sectional view showing an essential part of the same telephone set. In the figure, 3b is an insertion hole into which a light diffusing section provided in the operation section 3a of the upper cover 3 is inserted, and 5 is a light emitting diode attached to the circuit board 6. A light diffuser 7 made of a transparent material is composed of three light diffusing parts 8 and a connecting part 9 for connecting these light diffusing parts 8. Reference numeral 7a is a mounting foot for fixing the position of the light diffuser 7 by the operation portion 3a of the upper cover 3 of the telephone body 1 and the circuit board 6, 8a is a bottom surface of the light diffusion portion 8 facing above the light emitting diode 5, and 8b is It is the top surface of the diffusion part 8 inserted into the insertion hole 3 b of the upper cover 3.

The telephone of the second conventional example is configured as described above. For example, three light emitting diodes 5 are attached to the circuit board 6, and a light diffuser 7 is provided above each of the light emitting diodes 5. The bottom surface 8a of the light diffusing portion 8 is provided, the light diffusing portion 8 is connected by the connecting portion 9, and the top surface 8b of the light diffusing portion 8 of the light diffusing device 7 is exposed from the insertion hole 3b of the upper cover 3. When the telephone main body 1 makes and receives a call, an internal circuit (not shown) detects it and turns on the light emitting diode 5. The light emitted by the light emitting diode 5 hits the bottom surface 8a of the light diffusion portion 8, is transmitted through the light diffusion portion 8 and is transmitted through the top surface 8b, and the user can recognize the lighting. A part of the light emitted by the light emitting diode 5 hits the bottom surface 8a of the light diffusing portion 8 and the connecting portion 9, and is reflected inside the connecting portion 9 while being transmitted to the adjacent light diffusing portion 8. Part of the light is transmitted from the top surface 8b of the portion 8 to cause light leakage.

FIG. 8 is a perspective view showing the appearance of a push button of a telephone of the third conventional example, and FIG. 9 is a sectional view showing a state in which the push button of the telephone is incorporated. In the figure, 3a is an operating portion of the upper cover 3, 3c is a hole for incorporating the push button body 10 provided in the operating portion 3a, and 3d is a stopper rib provided on the lower surface of the operating portion 3a. Reference numeral 5 is a light emitting diode mounted on the circuit board 6. The push button body 10 is formed of an opaque portion 11 and a transparent portion 12. Reference numeral 12a is a bottom surface of the transparent portion 11, 12b is a top surface of the transparent portion 11, 13 is a bottom surface of the push button body 10, 14 is a top surface of the push button body 10, and 15 is a stopper of the push button body 2. Reference numeral 16 is a switch contact provided on the circuit board 6, and 17 is a rubber switch, which is mounted between the circuit board 6 and the bottom surface 14 of the push button body 10. Reference numeral 17a denotes a light transmitting hole for transmitting the light of the light emitting diode 5, and reference numeral 18 denotes a conductive rubber contact provided on the rubber switch 17 facing the switch contact 16 of the circuit board 6.

The telephone of the third conventional example is configured as described above. For example, when the push button body 10 is pressed and the opposing rubber contact 18 and the switch contact 16 of the circuit board 6 come into contact with each other, the light emitting diode 5 Lights up and the light emitted from the light emitting diode 5 passes through the light transmitting hole 17a of the rubber switch 17 and strikes the bottom surface 12a of the transparent portion 12 of the push button body 10. Further, the light can be transmitted from the bottom surface 12a of the transparent portion 12 to the top surface 12b to recognize the lighting of the light emitting diode 5.

[0008]

[Problems to be solved by the device]

 In the telephone of the first conventional example as described above, since the light diffuser 7 is exposed from the surface of the panel 4, when an external force is applied to the light diffuser 7, a load is applied to the circuit board 6 and the circuit board 6 is exposed. There is a problem in that the top surface 7b of the light diffuser 7 is scratched and scratched when a document or the like is touched, the transmitted light is reduced, and the recognition of lighting of the light emitting diode 5 is deteriorated. there were. In addition, there is a problem in that the light of the light emitting diode 5 causes mutual interference due to external light or illumination, weakening the light of the light emitting diode 5 as a whole and deteriorating the visibility of lighting of the light emitting diode 5.

In the telephone of the second conventional example as described above, the light emitted by the light emitting diode 5 is reflected on the inside of the connecting portion 9 of the light diffuser 7 and is reflected on the top surface 8b of the adjacent light diffusing portion 8. Since the light leaks, the visibility of the lighting of the light emitting diode 5 is deteriorated, and the light of the light emitting diode 5 causes mutual interference due to external light or illumination, so that the light of the light emitting diode 5 is relatively weakened and the visibility is reduced. There was a problem that it worsens. Furthermore, in the telephone of the third conventional example as described above, since the light of the light emitting diode 5 is transmitted toward the top surface 12b of the transparent portion 12 of the push button body 10, outside light or illumination is generated by the push button body 10. When the top surface 12b of the transparent portion 12 is illuminated brightly, mutual interference with the light of the light emitting diode 5 occurs, the light of the light emitting diode 5 becomes weaker, and there is a problem that the visibility of being lit deteriorates. Further, in any of the above-mentioned first to third conventional examples, in order to improve the visibility of lighting of the light emitting diode 5, it is necessary to increase the supply current of the light emitting diode 5 to increase the light emission brightness. If a plurality of illuminated pushbuttons are provided as in the third conventional example, there is a problem that the power supply capacity is increased and the manufacturing cost is increased.

The present invention can prevent the damage to the circuit board due to the above-mentioned external force and the deterioration of the recognition due to the scratches on the top surface of the light diffuser, and can also interact with the light of the light emitting diode due to external light or illumination. It is an object of the present invention to provide an excellent telephone with low manufacturing cost because the recognition of lighting is improved even if interference occurs.

[0011]

[Means for Solving the Problems]

 In the telephone of the first embodiment according to the present invention, a light diffuser for displaying an incoming call of a line is incorporated in an upper cover of a telephone body, and the light diffuser is made of a transparent material. In a telephone equipped with a light emitting diode, a bottom surface of the light diffuser is arranged at a position facing the light emitting diode, and a through hole for penetrating the light diffuser is provided at a position facing the light emitting diode of the upper cover. Slopes are formed at both front and rear ends of the upper part of the light diffuser, and a V-shaped groove is provided on the top surface of the upper part of the light diffuser so as to be sandwiched by the slope, and the cover is provided with the light diffuser on the top surface. It has a V-shaped projection that engages with the V-shaped groove, has windows on the front and rear surfaces, and is provided with a window frame that covers the through hole.

A telephone according to a second embodiment of the present invention is a light diffusing device including a plurality of light diffusing portions for displaying an operation state and a connecting portion for connecting them to each other on an operating portion of an upper cover of a telephone body. In a telephone in which the light diffuser is formed of a transparent material and a light emitting diode is provided under each light diffusing portion of the light diffuser, the light diffusing device is installed at a position opposite to each light emitting diode. A bottom surface of the light diffusing portion is provided, insertion holes for inserting the light diffusing portions are provided at positions facing the light emitting diodes of the operation portion of the upper cover, and a light shielding V is provided on an upper surface and a lower surface of the connecting portion. V-shaped grooves are alternately provided, one piece of the V-shaped light-shielding groove is formed perpendicularly to the upper and lower surfaces of the connecting portion, and the groove depth of the V-shaped light-shielding groove is formed so that both grooves intersect. It was made to do.

A telephone according to a third embodiment of the present invention includes a push button body for turning on and off in an upper cover of the telephone body, and the push button body includes a transparent portion and an opaque portion. In a telephone in which a light emitting diode is installed below the part, the transparent part is provided at a position facing the light emitting diode, and one side surface of the push button body is formed by the transparent part and the opaque part. The top surface is covered with the opaque portion, and the upper part of the side surface exposed to the outside of the transparent portion is an inclined top surface.

[0014]

[Action]

 In the telephone of the first embodiment according to the present invention, the bottom surface of the light diffuser is arranged at a position facing the light emitting diode, and the light diffuser is penetrated at a position facing the light emitting diode on the upper cover of the telephone body. Through holes are formed, slopes are formed at the front and rear ends of the upper part of the light diffuser, and a V-shaped groove is provided on the top surface of the upper part of the light diffuser so as to be sandwiched by the slope, and the top cover is provided with a ceiling. Since a V-shaped projection that engages with the V-shaped groove of the light diffuser is provided on the surface, windows are provided on the front and rear surfaces, and a window frame that covers the through hole is provided, the upper surface of the light diffuser is provided. Is protected by a window frame having a V-shaped protrusion that engages with the V-shaped groove so that external force is not applied directly to the light diffuser, so the load is not applied to the circuit board, reliability is improved, and light diffusion is improved. Since the transparent surface of the container is not damaged by documents etc., the light emitting die Recognition of the lighting of over soil was improved. In addition, the upper surface of the light diffuser is protected by a window frame, and inclined surfaces are formed at both front and rear ends of the upper surface so that the light of the light emitting diode can be transmitted through the inclined surface. Since the lights of the above do not interfere with each other, the visibility of lighting of the light emitting diode is improved.

In addition, in the telephone of the second embodiment according to the present invention, the bottom surface of each light diffusing portion is provided at a position facing each light emitting diode, and each light emitting portion of the operating portion of the upper cover of the telephone body is provided. Insertion holes for inserting the respective light diffusing portions are provided at positions facing the diodes, and light shielding V-shaped grooves are alternately provided on the upper surface and the lower surface of the respective connecting portions, and one piece of the light shielding V-shaped groove is formed. The light-shielding V-shaped groove is formed so that the groove depth intersects with both grooves so that the light emitted from a certain light-emitting diode is It hits the corresponding diffusing section and the connecting section connected to the diffusing section, transmits the inside of the connecting section, and while reflecting the inside, first hits the V-shaped groove for shading near the diffusing section, and reflects and blocks the light. Light transmitted through the V-shaped groove for shading Next hits the V-shaped groove for shading farther to the diffusing section, is further reflected, and is repeatedly reflected by these two V-shaped grooves for shading, weakening the light and reducing the light leaking to the top surface of the adjacent diffusing section. , The light of the light emitting diode is transmitted without being weakened from the top surface of the corresponding diffusion part, and the mutual interference between the external light and the light of the light emitting diode and the light of the light emitting diode is reduced. Improved.

Further, in the telephone of the third embodiment according to the present invention, a transparent portion forming a part of the push button body is provided at a position facing the light emitting diode, and one side surface of the push button body is provided with the transparent portion. Since the top surface of the transparent part is covered with the opaque part and the upper part of the side surface exposed to the outside of the transparent part is an inclined top surface, the top surface of the push button main body is opaque. Since the light of the light emitting diode is transmitted from the upper inclined surface of the transparent part, the external light and the light of the light emitting diode do not interfere with each other. The property has improved. Moreover, this has made it possible to minimize the power supply to the light emitting diode.

[0017]

【Example】

 1 is a sectional view showing an essential part of a telephone according to a first embodiment of the present invention, FIG. 10 is a perspective view showing an outer appearance of the same telephone, FIG. 11 is a perspective view showing an essential part of the same telephone, and FIG. FIG. 13 is an exploded perspective view showing a main part of the telephone, and FIG. 13 is a sectional view taken along line AA of FIG. In the figure, the same configurations as those of the first conventional example are denoted by the same reference numerals as those of the first conventional example, and the description of the duplicated configurations is omitted. Reference numeral 27 denotes a light diffuser, 27a denotes a bottom surface of the lower portion of the light diffuser 27 facing the light emitting diode 5, 27b denotes slopes provided at the front and rear ends of the upper portion of the light diffuser 27, and 27c denotes an upper portion of the light diffuser 27. It is a V-shaped groove provided on the top surface so as to be sandwiched between the slopes 27b. 28 is a window frame that covers the through hole 4a provided in the panel 4 of the upper cover 3 of the telephone body 1, 28a is a V frame that is provided on the top surface of the window frame 28 and that engages with the V-shaped groove 27c of the light diffuser 27. The character-shaped protrusions 28b are windows formed on the front and rear surfaces of the window frame 28.

In the telephone of the first embodiment configured as described above, when an incoming call is received by the telephone body 1, an internal circuit (not shown) of the telephone body 1 detects the incoming call and turns on the light emitting diode 5. . The light emitted from the light emitting diode 5 strikes the bottom surface 27a of the light diffuser 27, and a part of the light is reflected by the ribs 4b of the panel 4 while passing through the light diffuser 27 from the bottom surface 27a. A part of the transmitted light of the light emitting diode 5 is directly transmitted from the slope 27b of the light diffuser 27. Other light is transmitted through the light diffuser 27, is transmitted through the V-shaped groove 27c of the light diffuser 27, and is a V-shaped protrusion provided on the top surface of the window frame 28 that covers the through hole 4a provided in the panel 4. 28a, divided into a front surface and a back surface, transmitted through the light diffuser 27 again, and transmitted through the upper sloped surface 27b of the light diffuser 27 through the window 28b of the window frame 28. You can recognize the lighting.

As described above, since the light of the light emitting diode 5 is transmitted to the front surface and the back surface of the telephone body 1, external light or illumination and light of the light emitting diode 5 do not interfere with each other, so that the light emitting diode 5 is turned on. The cognition of the person has improved. Further, the upper portion of the light diffuser 27 is protected by the window frame 28 having the V-shaped projection 28b which engages with the V-shaped groove 27c so that the light diffuser 27 is not directly subjected to an external force. Therefore, the load is not applied to the circuit board 6, the reliability is improved, and the light-transmitting surface of the light diffuser 27 is not damaged by documents or the like, and the visibility of lighting of the light emitting diode 5 is improved.

FIG. 14 is an exploded perspective view showing an essential part of a telephone according to the second embodiment of the present invention, FIG. 15 is a sectional view showing an essential part of the same telephone, and FIG. 16 is a light-shielding state of a light diffuser of the same telephone. FIG. In the figure, the same configurations as those of the second conventional example are designated by the same reference numerals as those of the second conventional example, and the description of the duplicated configurations is omitted. Reference numeral 9a denotes a first light-shielding V-shaped groove provided on the upper surface of the connecting portion 9 of the light diffuser 7, and 9b denotes a second light-shielding V-shaped groove provided on the lower surface of the connecting portion 9 of the light diffuser 7. is there. These first and second light-shielding V-shaped grooves 9a and 9b are alternately provided, and one piece facing each other is formed perpendicularly to the upper and lower surfaces of the connecting portion 9, and the groove depths of both grooves are the same. The grooves are formed so as to intersect with each other.

In the telephone of the second embodiment configured as described above, when the telephone main body 1 makes and receives a call, an internal circuit (not shown) of the telephone main body 1 detects it, and, for example, as shown in FIG. The light emitted from the light emitting diode 5 of FIG. 6 strikes the bottom surface 8a of the light diffusing portion 8 of the light diffuser 7, is transmitted through the light diffusing portion 8 and is transmitted through the top surface 8b so that the user can recognize the lighting. You can On the other hand, the light emitted from the light emitting diode 5 hits the bottom surface 8 a of the light diffusing portion 8 and the connecting portion 9 adjacent to the light diffusing portion 8, and is transmitted inside the connecting portion 9. Then, for example, the light transmitted through the inside of the connecting portion 9 on the right side in the drawing hits the first light shielding V-shaped groove 9a while being reflected inside the connecting portion 9, and is reflected and shielded. The light transmitted through the first light-shielding V-shaped groove 9a hits the second light-shielding V-shaped groove 9b and is further reflected by the first light-shielding V-shaped groove 9a and the second light-shielding V-shaped groove 9b. The light is weakened by repeating the reflection, and the light leaking to the top surface 8a of the adjacent light diffusing section 8 is reduced.

Therefore, the light of the light emitting diode 5 is transmitted without being weakened from the top surface of the diffusion portion 8 corresponding thereto, and mutual interference between external light or illumination and the light of the light emitting diode 5 is reduced. The visibility of lighting of the light emitting diode 5 was improved. In this embodiment, the light-shielding vertical surface of the connecting portion 9 is provided so as to face the alternating first and second light-shielding V-shaped grooves 9a and 9b. Similar effects can be expected even if they are provided outside the second light-shielding V-shaped grooves 9a and 9b.

FIG. 17 is a perspective view showing the appearance of a push button of a telephone according to a third embodiment of the present invention, and FIG. 18 is a sectional view showing a state in which the push button of the telephone is incorporated. In the figure, the same configurations as those of the third conventional example are designated by the same reference numerals as those of the third conventional example, and the description of the duplicated configurations is omitted. Reference numeral 30 is a push button body, 31 is an opaque portion of the push button body 30, and 32 is a transparent portion of the push button body 13, which are provided at positions facing the light emitting diode 5. The top surface of the transparent portion 32 is covered with the opaque portion 31. Then, the opaque portion 31 and the transparent portion 32 form one side surface of the push button main body 30. Reference numeral 32a denotes a bottom surface of the transparent portion 32, 32b denotes an inclined top surface having an inclined upper portion of a side surface exposed to the outside of the transparent portion 32, 32c denotes a side surface of the transparent portion 32, 33 denotes a bottom surface of the push button body 30, and 34 denotes a push button. It is the top surface of the button body 13.

In the push button of the telephone of the third embodiment configured as described above, when the push button main body 30 is pushed down and the opposing rubber contact 18 and the switch contact 16 of the circuit board 6 come into contact with each other, the light emitting diode 5 The light emitting diode 5 is turned on. The light emitted from the light emitting diode 5 passes through the light transmitting hole 17a of the rubber switch 17 and strikes the bottom surface 32a of the transparent portion 32 of the push button body 30. Further, the light enters from the bottom surface 32a of the transparent portion 32 and is transmitted, the light is reflected and bent by the inclined top surface 32a of the transparent portion 32, and is transmitted to the inclined top surface 32a of the transparent portion 32 to turn on the light emitting diode 5. Can be recognized.

As described above, the top surface 33 of the push button body 30 is configured by the opaque portion 31, and the light of the light emitting diode 5 is transmitted from the sloped top surface 32 a above the transparent portion 32. Since the light or the illumination and the light of the light emitting diode 5 do not interfere with each other, the visibility of the lighting of the light emitting diode 5 is improved. In addition, this makes it possible to minimize the power supply to the light emitting diode 5 and reduce the manufacturing cost of the power supply.

[0026]

[Effect of device]

 As described above in detail, according to the present invention, the bottom surface of the light diffuser is arranged at the position facing the light emitting diode, and the light diffuser is arranged at the position facing the light emitting diode on the upper cover of the telephone body. A through hole is formed to penetrate the upper surface of the light diffuser, slopes are formed at both front and rear ends, and a V-shaped groove is formed on the top surface of the upper portion of the light diffuser so as to be sandwiched by the slope. The top surface has V-shaped projections that engage with the V-shaped groove of the light diffuser, the front and rear surfaces have windows, and the window frame that covers the through holes is provided. The upper surface is protected by a window frame that has V-shaped protrusions that engage with the V-shaped groove so that no external force is applied directly to the light diffuser, so that no load is applied to the circuit board and reliability is improved. Since the light-transmitting surface of the diffuser cannot be damaged by documents, etc. Recognition of the lighting of over soil was improved. Further, the upper surface of the light diffuser is protected by a window frame, and inclined surfaces are formed at both front and rear ends of the upper surface so that the light of the light emitting diode can be transmitted through the inclined surface. Since the lights of the two do not interfere with each other, the effect of improving the visibility of lighting of the light emitting diode can be expected.

Further, a bottom surface of each light diffusing portion is provided at a position facing each light emitting diode, and each light diffusing portion is provided at a position facing each light emitting diode of an operation unit of an upper cover of the telephone body. An insertion hole for insertion is provided, and light-shielding V-shaped grooves are alternately provided on the upper surface and the lower surface of each connecting portion, and one piece of the light-shielding V-shaped groove is formed perpendicularly to the upper and lower surfaces of the connecting portion. Since the groove depth of the V-shaped groove for shading is formed so that both grooves intersect, the light emitted by a certain light emitting diode hits the corresponding diffusion part and the connection part connected to the diffusion part, The light that has been transmitted through the inside of the connection part and reflected inside the connection part first hits the light blocking V-shaped groove near the diffusion part, is reflected and blocked, and the light that has passed through the light blocking V-shaped groove is then transmitted to the diffusion part. It hits a V-shaped groove for far shading The light from the light-emitting diode corresponds to it because the light is weakened and the light that leaks to the top surface of the adjacent diffusion part is reduced. The light is transmitted without being weakened from the top surface of the diffusion part, and the mutual interference between the external light and the light of the light emitting diode and the light from the light emitting diode is reduced. Therefore, the effect of improving the visibility of lighting of the light emitting diode can be expected.

Further, a transparent portion forming a part of the push button body is provided at a position facing the light emitting diode, and one side surface of the push button body is formed by the transparent portion and the opaque portion, and the top surface of the transparent portion is formed. Is covered with the opaque part, and the upper part of the side surface exposed to the outside of the transparent part is an inclined top surface, the top surface of the push button body is composed of the opaque part, and the light of the light emitting diode is Since the light is transmitted through the inclined top surface above the transparent part, the external light or the illumination and the light of the light emitting diode do not interfere with each other, and the effect of improving the visibility of lighting of the light emitting diode can be expected. Further, this makes it possible to minimize the power supply to the light emitting diode, and it can be expected that the manufacturing cost of the power supply can be reduced.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a main part of a telephone according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing an appearance of a first conventional telephone set.

FIG. 3 is a perspective view showing a main part of the telephone.

FIG. 4 is an exploded perspective view showing a main part of the telephone.

5 is a sectional view taken along line BB of FIG.

FIG. 6 is an exploded perspective view showing a main part of a telephone of a second conventional example.

FIG. 7 is a cross-sectional view showing a main part of the same telephone.

FIG. 8 is a perspective view showing the appearance of a push button of a telephone of a third conventional example.

FIG. 9 is a cross-sectional view showing a state where a push button of the telephone is incorporated.

FIG. 10 is a perspective view showing the outer appearance of the telephone according to the first embodiment of the present invention.

FIG. 11 is a perspective view showing a main part of the telephone.

FIG. 12 is an exploded perspective view showing a main part of the telephone.

13 is a cross-sectional view taken along the line AA of FIG.

FIG. 14 is an exploded perspective view showing a main part of a telephone according to a second embodiment of the present invention.

FIG. 15 is a cross-sectional view showing the main parts of the same telephone.

FIG. 16 is an explanatory diagram showing a light shielding state of a light diffuser of the telephone.

FIG. 17 is a perspective view showing the appearance of a push button of a telephone according to a third embodiment of the present invention.

FIG. 18 is a cross-sectional view showing a state where a push button of the telephone is incorporated.

[Explanation of symbols]

 1 Telephone Main Body 3 Top Cover 4a Through Hole 5 Light Emitting Diode 27 Light Diffuser 27a Bottom 27b Slope 27c V-Shaped Groove 28 Window Frame 28a V-Shaped 28b Window

Claims (3)

[Scope of utility model registration request] 1. A telephone in which a light diffuser for displaying an incoming line is incorporated in an upper cover of a telephone body, the light diffuser is made of a transparent material, and a light emitting diode is provided below the light diffuser. In, the bottom surface of the light diffuser is arranged at a position facing the light emitting diode, and a through hole for penetrating the light diffuser is provided at a position facing the light emitting diode of the upper cover,
Slopes are formed at the front and rear ends of the upper portion of the light diffuser, V-shaped grooves are provided on the top surface of the upper portion of the light diffuser so as to be sandwiched by the slopes, and the upper cover has a top surface of the light diffuser. A telephone having a V-shaped projection that engages with a V-shaped groove, a window on a front surface and a rear surface, and a window frame that covers the through hole. 2. A light diffuser comprising a plurality of light diffusing parts for displaying an operation state and a connecting part for connecting the light diffusing parts to the operating part of the upper cover of the telephone body, and the light diffusing device is made of a transparent material. And a bottom surface of each light diffusing section is provided at a position facing each of the light emitting diodes, and an operating section of the cover is provided. The insertion holes for inserting the respective light diffusing portions are provided at positions facing the respective light emitting diodes, and the light shielding V-shaped grooves are alternately provided on the upper surface and the lower surface of the respective connecting portions. The telephone set is characterized in that one piece is formed perpendicularly to the upper and lower surfaces of the connecting portion, and the groove depth of the light-shielding V-shaped groove is formed so that both grooves intersect. 3. A telephone in which a push button body for turning on and off is incorporated in an upper cover of the telephone body, the push button body is composed of a transparent portion and an opaque portion, and a light emitting diode is installed below the transparent portion. The transparent portion is provided at a position facing the light emitting diode, one side surface of the push button body is formed by the transparent portion and the opaque portion, and the top surface of the transparent portion is covered by the opaque portion,
The telephone set is characterized in that an upper portion of a side surface exposed to the outside of the transparent portion is an inclined top surface.