JPH0685540B2 - Telephone handset - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone handset adapted to display the same display on multiple faces of a housing.

2. Description of the Related Art Conventionally, displaying the same information on a multi-face by a telephone or the like has hardly been performed because the number of light sources has to be increased. Further, when it is carried out upon a particular request, the LEDs 3 and 4 are mounted on the printed circuit board 2 provided inside the case 1 as shown in FIG. 3 by the legs 7 and 8 and provided on the upper and lower surfaces of the case 1, respectively. The positions are set so that the tip surfaces of the LEDs 3 and 4 are fitted into the holes 5 and 6, and the light emission can be confirmed from both the upper surface 1a and the lower surface 1b of the case 1 by driving from the printed circuit board 2. Came.

Problems to be Solved by the Invention However, the above-described conventional configuration has a problem in that when multi-faced display is performed, the number of parts to be mounted on the board increases and the work time for mounting increases.

An object of the present invention is to eliminate the above-mentioned drawbacks of the conventional example and to provide a handset capable of multifaceted display with a small number of parts.

Means for Solving the Problems In order to achieve the above object, the present invention guides light emission from a light source provided inside a handset of a telephone to a plurality of surfaces of a housing by a light guide, and displays from a plurality of surfaces. It is configured so that it can be confirmed.

Effects Since the present invention is configured as described above, it has an effect that a single light source can display on a plurality of surfaces of the housing with a simple configuration.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. In the figure, 11 is a case of a telephone handset, 11a is an upper surface portion, 11b is a lower surface portion, 12 is a substrate such as a printed board fixed to the inner surface of the case 11, 13 is a light source attached to one end of the substrate 12. A light bulb (bean ball), 14 is a light guide made of a translucent acrylic rod provided in the vicinity of the light bulb 13, 15
Reference numerals a and 15b are holes provided at positions where the light guide 14 is in contact with the upper surface 11a and the lower surface 11b, 16 is a wedge-shaped recess provided in the light guide 14 at a position near the light guide 14 and the light bulb 13, and 17 is a recess. The convex portion of the rear part of the light guide 14 that projects a part of the light guide 16 assists the conduction of light and is for reinforcement.

With the above configuration, if the light bulb 13 is turned on by a circuit (not shown) on the substrate 12 for displaying, the light of the light bulb 13 is recessed.
16. The display can be seen from both the upper and lower surfaces 11a and 11b of the case 11 by being guided to the upper and lower end portions 18a and 18b via the light guide 14. FIG. 2 (a) and FIG. 2 (b) show how the configuration of FIG. 1 is applied to a telephone housing. In the figure, 20 is a telephone body, and a storage portion for the handset 21.
Equipped with 22. The upper surface 21a of the handset 21 is provided with a first display portion 23a, and the lower surface 21b is provided with a second display portion 23b. 24 and 25 are transmitters and receivers when the handset 21 is stored in the telephone body 20, 26,
27 is a microphone and speaker provided on the lower surface 21b of the handset 21, and 28 is a keyboard. That is, when the handset 21 is stored in the storage section 22 for use, the first display section 23a
The cordless handset 21 is
When the telephone is separated from 20, and the lower surface 21b is used as the operation surface and the telephone is communicated through the telephone body 20 using the microphone 26 and the speaker 27, the second display portion 23b is used, and the first and second display portions are common. By illuminating with the light source of, for example, when these are used for the display of the power supply voltage drop and a multi-faced display is performed, it is convenient to use because it does not require an operation such as searching for another face for operation display confirmation. Minimal cost increase.

Although the display is provided on the upper and lower two surfaces in the above embodiment, the display on the other two surfaces, for example, the upper surface and the side surface may naturally be performed by intersecting the light guides at right angles. Further, it is possible to easily expand not only to two surfaces but also to multiple surfaces.

EFFECTS OF THE INVENTION As described above, according to the present invention, a light guide formed of a translucent acrylic rod and having a wedge-shaped recess in the center and a protrusion protruding to the rear of the recess, , A plurality of tip surfaces of the light guide is provided on a plurality of case surfaces, a handset case, and a light source that is housed in the handset case and is disposed in the vicinity of the recess of the light guide. It has an effect that the same display can be provided on the multiple surfaces of the housing at low cost and the optical transmission efficiency can be improved.

Further, according to the present invention, the light guide is formed of an inexpensive translucent acrylic rod, and the wedge-shaped concave portion and the convex portion projected to the rear portion of the concave portion are formed in the central portion. Has the effect of helping the conduction of light from the light source and mechanically reinforcing the acrylic rod.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing the configuration of the essential parts of a handset of a telephone in one embodiment of the present invention, FIG. 2 is an external perspective view showing the overall appearance of FIG. 1, and FIG. FIG. 11 …… case, 11a …… top surface, 11b …… bottom surface, 12 …… substrate, 13 …… light source, 14 …… light guide, 15a, 15b …… hole, 16
…… A recess.

Claims (1)

[Claims] 1. A light guide formed of a translucent acrylic rod, having a wedge-shaped recess in the center and a protrusion protruding to the rear of the recess, and a plurality of tip surfaces of the light guide. A handset for a telephone, which comprises a handset case arranged on a plurality of case surfaces, and a light source housed in the handset case and arranged in the vicinity of the recess of the light guide.