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Portable telephone with diffuser and luminous device

A portable phone and diffuser technology, which is applied in the direction of telephone communication, telephone structure, emergency protection device, etc., and can solve the problems of increased power consumption of portable phones and increased thickness of portable phones, etc.

Inactive Publication Date: 2002-09-04
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, once the number of LEDs or the intensity of emitted light in the LEDs increases, the power consumption of conventional cellular phones also increases.
In addition, once the distance between the LED and the irradiated plane is designed to be longer, the thickness of the conventional cellular phone will sometimes become larger

Method used

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  • Portable telephone with diffuser and luminous device
  • Portable telephone with diffuser and luminous device
  • Portable telephone with diffuser and luminous device

Examples

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Embodiment Construction

[0028] refer to Figure 1 to Figure 6 , in order to facilitate the understanding of the present invention, a conventional portable telephone is first shown. figure 1 is a partial schematic diagram showing a conventional portable telephone including input buttons. figure 2 is a partial schematic diagram showing the back of a casing of a conventional portable telephone including input buttons. Such as figure 1 with figure 2 As mentioned, a conventional portable phone includes a casing 4 and a plurality of input buttons 1, such as number keys and the like.

[0029] image 3 From figure 1 Lines X1 to X2 are a sectional view of a casing of a conventional portable phone including an input button. Figure 4 From figure 1 Lines Y1 to Y2 are a sectional view of a casing of a conventional portable phone including an input button. In addition, if image 3 with Figure 4 As mentioned, the conventional portable telephone includes an LED 7 mounted between the input buttons 1 on ...

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PUM

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Abstract

A portable phone comprising a plurality of input buttons (1) for inputting various instructions, a light emitting element (7) that emits light when any one of the plurality of input buttons (1) is pressed, The diffuser (8) installed under the plurality of input buttons (1) diffuses the light emitted from the light emitting element (7), the diffuser (8) includes an incident part (5), which has a a receiving plane of the light emitting element (7), and receives the light emitted from the light emitting element (7), and a projecting part (6), which has a device for reflecting the light received by the incident part (5) to multiple Enter the reflective plane for the top side of the button (1).

Description

technical field [0001] The present invention relates to a portable telephone, a diffuser and a light emitting device provided in the portable telephone, in particular, to a portable telephone having a backlight and similar devices capable of emitting uniform light on the input buttons, and to a portable telephone provided in A diffuser and light emitting device in such a portable phone. Background technique [0002] In a conventional portable telephone, a light emitting element such as a light emitting diode (hereinafter referred to as LED) or the like is provided in the vicinity of, for example, input buttons such as numeric keys or the like. Each time the user presses any key, the light emitting element is adjusted to emit light. Therefore, the conventional portable telephone can be used by the user even in the dark. [0003] A conventional portable telephone includes a housing, a plurality of input buttons, a base, and a plurality of LEDs mounted on the base between the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H13/702H01L33/60H04M1/22
CPCH01H13/702H01H2219/044H01H2219/05H01H2219/056H01H2219/064H01H2221/07H01H2231/022H04M1/22
Inventor 北村弘斋藤修一
Owner NEC CORP
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