KR950007092B1 - The battery saving circuit controlling cellular phoen light automatically - Google Patents

The battery saving circuit controlling cellular phoen light automatically Download PDF

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Publication number
KR950007092B1
KR950007092B1 KR1019920020317A KR920020317A KR950007092B1 KR 950007092 B1 KR950007092 B1 KR 950007092B1 KR 1019920020317 A KR1019920020317 A KR 1019920020317A KR 920020317 A KR920020317 A KR 920020317A KR 950007092 B1 KR950007092 B1 KR 950007092B1
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South Korea
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brightness
backlight
light
microprocessor
unit
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KR1019920020317A
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Korean (ko)
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KR940010442A (en
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김풍철
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엘지전자주식회사
백중영
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The circuit reuces the power consumption of cellular phone according to the environment brightness. The circuit includes a light detector(7) which outputs analog signal proportional to the environment brightness, an A/D converter(6) which converts analog signal from light detector(7) into digital signal, a microprocessor(1) whoch outputs light information, a key pad(2) and a display unit(5), and a reverse light control unit(4) which generates reverse light. The method includes the 1st step which processes the input data, the 2nd step which compares the basic light with the environment light, the 3rd step which adjusts the light brightness of the display unit and the key pad.

Description

셀룰라폰의 후광조명 자동조절에 의한 배터리 절약회로 및 방법Battery saving circuit and method by automatic backlight control of cell phone

제1도는 종래 셀룰라폰의 후광조명 블럭도.1 is a block diagram of a backlight of a conventional cellular phone.

제2도는 본 발명인 셀룰라폰의 후광조명 자동조절에 의한 배터리 절약회로의 개략적 블럭도.2 is a schematic block diagram of a battery saving circuit by automatically adjusting the backlight of a cell phone according to the present invention.

제3도는 본 발명을 실현하기 위한 제어 흐름도.3 is a control flowchart for implementing the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

6 : A/D컨버터 7 : 빛감지기6: A / D converter 7: Light detector

본 발명은 셀룰라폰의 후광조명 조절에 관한 것으로서, 특히 키패드부와 디스플레이부의 후광조명 밝기를 주위환경의 변화(밝기)에 따라 자동적으로 조절되도록 하여 전원공급을 위해 사용하는 배터리의 불필요한 소모를 줄이고져 한 셀룰라폰의 후광조명 자동조절에 의한 배터리 절약회로 및 방법에 관한 것이다.The present invention relates to a backlight backlight control of a cellular phone, and in particular, the brightness of the backlight backlight of the keypad unit and the display unit is automatically adjusted according to the change (brightness) of the surrounding environment to reduce unnecessary consumption of the battery used for power supply. The present invention relates to a battery saving circuit and a method by automatically adjusting backlight of a cell phone.

종래에는 첨부한 도면 제1도에 도시된 바와 같이 셀룰라폰을 사용할시 상대방 전화번호 및 부수적인 기능을 입력하는 키패드부(2), 셀룰라폰의 각부를 제어하는 명령이 저장된 롬(3), 키패드부(2)의 입력신호에 의해 롬(3)에 저장된 명령을 탐색하여 키패드부(2)와 디스플레이부(6)에 후광신호를 출력하는 후광조명부(4)를 제어하는 마이크로 프로세서(1)로 구성된다.Conventionally, as shown in FIG. 1 of the accompanying drawings, when using a cellular phone, a keypad unit 2 for inputting a phone number and an additional function of a counterpart, a ROM 3 storing a command for controlling each unit of the cellular phone, and a keypad The microprocessor 1 controls the backlight unit 4 which searches for a command stored in the ROM 3 by the input signal of the unit 2 and outputs a backlight signal to the keypad unit 2 and the display unit 6. It is composed.

사용자가 전화통화를 하고져 셀룰라폰에 장착된 키패드부(2)를 조작하면 마이크로 프로세서(1)는 키패드부(2)로부터 입력되는 신호에 따라 롬(3)에 저장된 명령을 받아 후광조명 제어신호를 후광조명부(4)에 입력한다. 후광조명부(4)는 마이크로 프로세서(1)의 입력신호에 따라 키패드부(2)와 디스플레이부(5)에 후광조명 신호를 입력하여 후광조명을 밝히게 된다. 마이크로 프로세서(1)는 키패드부(2)에서 입력되는 신호를 계속적으로 탐색하여 소정시간이 경과할때까지 연속적으로 정보입력이 없거나 전화통화가 종료되면 후광조명부(4)를 제어하여 키패드부(2)와 디스플레이부(5)의 후광조명을 끄게 된다.When the user makes a phone call and manipulates the keypad unit 2 mounted on the cellular phone, the microprocessor 1 receives a command stored in the ROM 3 according to a signal input from the keypad unit 2 and receives a backlight lighting control signal. Input to the backlight unit (4). The backlight unit 4 illuminates the backlight by inputting the backlight unit to the keypad unit 2 and the display unit 5 according to the input signal of the microprocessor 1. The microprocessor 1 continuously searches for a signal input from the keypad unit 2 and controls the backlight unit 4 when there is no information input continuously or a telephone call ends until a predetermined time elapses. ) And the backlight of the display unit 5 is turned off.

상술한 바와 같이 셀룰라폰을 사용할시 주위환경 밝기에 관계없이 일정한 후광조명이 발하도록 되어 있어 셀룰라폰의 전원공급원인 배터리의 불필요한 전력소모로 사용시간이 단축되는 문제점이 있었다.As described above, when using the cell phone, a constant backlight is emitted regardless of the brightness of the surrounding environment, and thus there is a problem in that the use time is shortened due to unnecessary power consumption of the battery which is the power source of the cell phone.

본 발명은 상술한 문제점을 감안하여 안출한 것으로 셀룰라폰 사용시 주위환경의 밝기에 따라 후광조명의 밝기가 자동적으로 조절되게 함으로써 전원공급원인 배터리의 불필요한 소모를 방지하고져 함을 목적으로 하는 것이다.The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to prevent unnecessary consumption of a battery as a power supply source by automatically adjusting the brightness of a backlight light according to the brightness of an ambient environment when using a cellular phone.

상술한 목적을 달성하기 위한 본 발명은 주변환경의 밝기를 감지하여 그에 비례하는 아날로그 신호를 출력하는 빛감지기(7)와, 빛감지기(7)로부터 공급된 아날로그 신호를 디지탈 신호로 변환하는 A/D 컨버터(6)와, A/D 컨버터(6)으로부터 공급된 정보에 따라 출력하는 조명제어 정보를 출력하는 마이크로 프로세서(1) 및 마이크로 프로세서(1)로부터 공급된 조명제어 정보에 따라 키패드(2)와 디스플레이부(5)에 주변환경의 밝기에 대응하는 후광을 발생하는 후광조명부(4)를 구비하는 것을 특징으로 하는 셀룰라폰의 후광조명 자동조절에 의한 배터리 절약회로를 제공하는 것이다.The present invention for achieving the above object is a light sensor 7 for detecting the brightness of the surrounding environment and outputs an analog signal proportional thereto, and A / to convert the analog signal supplied from the light sensor 7 into a digital signal / The microprocessor 1 for outputting lighting control information output in accordance with the information supplied from the D converter 6, the A / D converter 6, and the keypad 2 in accordance with the lighting control information supplied from the microprocessor 1; And a backlight unit 4 for generating a halo corresponding to the brightness of the surrounding environment in the display unit 5, thereby providing a battery saving circuit by automatically adjusting the backlight of the cell phone.

이하 본 발명의 실시예를 첨부한 도면 제2도의 셀룰라폰의 후광조명 자동조절에 의한 배터리 절약회로의 개략적인 블럭도와 제3도의 제어흐름도에 의거하여 설명하면 하기와 같다.Hereinafter, an embodiment of the present invention will be described with reference to the schematic block diagram of the battery saving circuit of the battery saving circuit by automatically adjusting the backlight of the cellular phone of FIG. 2 as follows.

셀룰라폰을 사용할시 상대방 전화번호 및 그 부수적인 기능을 입력하는 키패드부(1)와, 셀룰라폰의 각부를 제어하는 명령이 기억된 롬(3)과, 키패드부(2)의 입력신호에 의해 롬(3)에 저장된 명령을 탐색하여 키패드부(2) 및 디스플레이부(6)에 후광을 발하도록 후광조명부(4)를 제어하는 마이크로 프로세서(1)와, 주변환경의 밝기를 감지하여 주변환경 밝기에 비례하는 아날로그 전기신호를 출력하는 빛감지기(7) 및 빛감지기(7)로부터 입력되는 아날로그 전기신호를 마이크로 프로세서(1)가 처리할 수 있는 디지탈 신호로 변환시켜주는 A/D 컨버터(6)를 구비하여 구성한다.When using a cellular phone, the keypad unit 1 for inputting the other party's telephone number and its additional functions, the ROM 3 storing the commands for controlling each unit of the cellular phone, and the input signal of the keypad unit 2 A microprocessor (1) for controlling the backlight unit (4) to illuminate the keypad unit (2) and the display unit (6) by searching for commands stored in the ROM (3); A light detector 7 for outputting an analog electric signal proportional to brightness and an A / D converter for converting an analog electric signal input from the light detector 7 into a digital signal that can be processed by the microprocessor 1 (6). ) Is configured.

사용자가 전화통화를 하고져 키패드부(2)를 조작하여 마이크로 프로세서(1)에 데이타 값을 입력하면(S1) 마이크로 프로세서(1)는 데이타 입력을 판단(S2)한 후 입력된 데이타 값에 따라 롬(3)에 저장된 데이타 값을 판독(S3) 한다. 이때 빛 감지기(7)는 검출되는 주변환경의 밝기에 비례하는 아날로그 전기신호를 출력하여 A/D 컨버터(6)에 입력한다. A/D 컨버터(6)는 입력되는 아날로그 전기신호를 디지탈 신호로 변환시켜 마이크로 프로세서(1)에 입력한다. 상기 단계(S3) 수행후 마이크로 프로세서(1)에 입력된 주변환경의 밝기를 판단(S4)한 후 판단된 주변환경의 밝기와 셀룰라폰의 설정된 기본조명과 비교한다(S5). 상기 단계(S5) 수행후 비교된 조명에 차이가 발생하여 조명조절이 판단(S6)되면 후광조명부(4)를 제어하여 디스플레이부(5)와 키패드부(2)의 후광조명 밝기를 조정(S7)하게 된다.When a user makes a phone call and inputs a data value to the microprocessor 1 by operating the keypad unit 2 (S1), the microprocessor 1 determines the data input (S2) and reads the data according to the input data value. The data value stored in (3) is read (S3). At this time, the light detector 7 outputs an analog electric signal proportional to the brightness of the detected surrounding environment and inputs it to the A / D converter 6. The A / D converter 6 converts the input analog electric signal into a digital signal and inputs it to the microprocessor 1. After performing step S3, the brightness of the surrounding environment input to the microprocessor 1 is determined (S4), and then the brightness of the determined surrounding environment is compared with the set basic lighting of the cellular phone (S5). After performing the step S5, a difference occurs in the compared lighting, and when the lighting adjustment is determined (S6), the backlight backlight unit 4 is controlled to adjust the backlight brightness of the display unit 5 and the keypad unit 2 (S7). )

상술한 바와 같이 주변환경의 밝기에 비례하는 후광조명을 발하도록 함으로서 셀룰라폰의 전원공급원인 배터리의 불필요한 소모를 방지하여 셀룰라폰의 사용시간을 연장시킴을 특징으로 한 것이다.As described above, by illuminating the backlight in proportion to the brightness of the surrounding environment, it is characterized by extending the use time of the cell phone by preventing unnecessary consumption of the battery which is the power source of the cell phone.

Claims (2)

주변환경의 밝기를 감지하여 그에 비례하는 아날로그 신호를 출력하는 빛감지기(7), 상기 빛감지기(7)로부터 아날로그 신호를 디지탈 신호로 변환하는 A/D 컨버터(6), 상기 A/D 컨버터(6)로부터 공급된 정보에 따라 조명제어 정보를 출력하는 마이크로 프로세서(1) 및, 마이크로 프로세서(1)로부터 공급된 조명제어 정보에 따라 키패드(2)와 디스플레이부(5)에 주변환경의 밝기에 대응하는 후광을 발생하는 후광조명부(4)를 구비하는 것을 특징으로 하는 셀룰라폰의 후광조명 자동조절에 의한 배터리 절약회로.A light detector 7 for detecting the brightness of the surrounding environment and outputting an analog signal proportional thereto, an A / D converter 6 for converting an analog signal from the light detector 7 into a digital signal, and the A / D converter ( 6) the microprocessor 1 for outputting the lighting control information according to the information supplied from the microprocessor 1 and the brightness of the surrounding environment on the keypad 2 and the display unit 5 according to the lighting control information supplied from the microprocessor 1; And a backlight device (4) for generating a corresponding backlight. 셀룰라폰의 키패드부로부터 데이타 입력을 판단한 후 입력된 데이타를 판독하여 판독된 정보를 처리하는 제1단계와, 상기 제1단계 수행후 빛 감지기에서 검출되어 마이크로 프로세서로 입력되는 주변환경의 밝기와 설정된 셀룰라폰의 기본조명을 비교하는 제2단계 및, 상기 제2단계 수행후 조명조절이 판단되면 주위환경 밝기에 비례하는 신호를 후광조명부측으로 출력하여 디스플레이부와 키패드부의 조명의 밝기를 조절하는 제3단계를 포함하는 것을 특징으로 하는 셀룰라폰의 후광조명 자동조절에 의한 배터리 절약방법.After determining the data input from the keypad portion of the cellular phone and reading the input data to process the read information, and after performing the first step, the brightness of the surrounding environment detected by the light detector and input to the microprocessor A second step of comparing the basic lighting of the cell phone and a third step of adjusting the brightness of the display unit and the keypad unit by outputting a signal proportional to the ambient brightness to the backlight unit when the lighting control is determined after performing the second step. Battery saving method by the automatic backlight control of the cell phone, characterized in that it comprises a step.
KR1019920020317A 1992-10-31 1992-10-31 The battery saving circuit controlling cellular phoen light automatically KR950007092B1 (en)

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Application Number Priority Date Filing Date Title
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KR950007092B1 true KR950007092B1 (en) 1995-06-30

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Publication number Priority date Publication date Assignee Title
KR100243305B1 (en) * 1997-08-23 2000-02-01 김영환 Portable phone for sensing light
KR20000038259A (en) * 1998-12-04 2000-07-05 윤종용 Portable telephone extending time using battery and controlling method thereof
KR20030035501A (en) * 2001-10-31 2003-05-09 최은영 cellularphone illuminator
KR100480062B1 (en) * 2002-09-13 2005-03-30 엘지전자 주식회사 Backlight control method for mobile communication device

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