KR920001877A - Receiving field strength (RSSI) display method using telephone number display part of automobile telephone - Google Patents

Receiving field strength (RSSI) display method using telephone number display part of automobile telephone Download PDF

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Publication number
KR920001877A
KR920001877A KR1019900009578A KR900009578A KR920001877A KR 920001877 A KR920001877 A KR 920001877A KR 1019900009578 A KR1019900009578 A KR 1019900009578A KR 900009578 A KR900009578 A KR 900009578A KR 920001877 A KR920001877 A KR 920001877A
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KR
South Korea
Prior art keywords
field strength
electric field
telephone number
received electric
dlyttr
Prior art date
Application number
KR1019900009578A
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Korean (ko)
Other versions
KR920009674B1 (en
Inventor
한동구
신중섭
최문철
Original Assignee
정몽헌
현대전자산업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 정몽헌, 현대전자산업 주식회사 filed Critical 정몽헌
Priority to KR1019900009578A priority Critical patent/KR920009674B1/en
Publication of KR920001877A publication Critical patent/KR920001877A/en
Application granted granted Critical
Publication of KR920009674B1 publication Critical patent/KR920009674B1/en

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Classifications

    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

내용 없음.No content.

Description

자동차 전화기의 전화번호 표시부를 이용한 수신 전계강도(RSSI)표시 방법Receiving field strength (RSSI) display method using telephone number display part of automobile telephone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 일반 자동차 전화기의 표시부의 예시도.1 is an exemplary view of a display unit of a general automobile telephone.

제2도는 별도의 전계강도 표시기능을 갖는 휴대용 전화기의 표시부의 예시도.2 is an exemplary view of a display unit of a portable telephone having a separate electric field strength display function.

제3도는 본 발명에 의한 자동차 전화기의 준비상태를 나타낸 전화번호 표시부의 예시도.3 is an exemplary view showing a phone number display unit showing a ready state of an automobile telephone according to the present invention.

Claims (2)

수신안테나(1), 상기 수신안테나(1)에 연결된 고주파 증폭기(2), 상기 고주파 증폭기(2)에 연결된 혼합기(3), 상기 혼합기(3)에 연결된 국부발진기(4), 상기 혼합기(3)에 연결된 중간 주파 필터(5), 상기 중간주파 필터(5)에 연결된 중간주파 증폭기(6), 상기 중간 주파 증폭기(6)에 연결된 검파기(7), 상기 검파기(7)에 연결된 아날로그/디지틀 변환기(8), 상기 아날로그/디지틀 변환기(8)에 연결된 CPU(9), 상기 CPU(9)에 연결된 마이크로 콘트롤러 및 LCD 드라이버(10), 상기 마이크로 콘트롤러 및 LCD 드라이버(10)에 연결된 액정표시기(LCD)(11)를 포함하여 구성된 자동차 전화기의 수신전계강도 표시방법에 있어서, 통화모드를 나타내는 TRS 상태를 확인하여 상기 TRS 상태가 보이스 채널(Voice channel)이면 메인 프로그램을 수행하고 상기 TRS 상태가 콘트롤 채널(Control channel),이면 다음 단계로 진행하는 제1단계, 수신전계강도의 표시시간 간격을 나타내는 버퍼의 값(DLYTTR)이 “0”인가를 확인하여 상기 버퍼의 값(DLYTTR)이 “0”이 아니면 상기 버퍼의 값(DLYTTR)을 “1”감소시키고 메인 프로그램을 수행하고 상기 버퍼의 값(DLYTTR)이 “0”이면 수신전계강도를 샘플링하여 상기 액정표시기(LCD)(11)에 표시하기 위해 수신전계강도를 변환하는 제2단계, 전화번호의 자릿수를 확인하는 제3단계, 및 전환번호 및 수신전계강도를 표시하는 제4단계를 포함하여 수행되는 것을 특징으로 하는 전화번호 표시부를 이용한 수신전계강도 표시 방법.A receiving antenna 1, a high frequency amplifier 2 connected to the receiving antenna 1, a mixer 3 connected to the high frequency amplifier 2, a local oscillator 4 connected to the mixer 3, and the mixer 3 ) An intermediate frequency filter (5) connected to the intermediate frequency filter (5) connected to the intermediate frequency filter (5), a detector (7) connected to the intermediate frequency amplifier (6), and an analog / digital device connected to the detector (7). Converter 8, a CPU 9 connected to the analog / digital converter 8, a microcontroller and LCD driver 10 connected to the CPU 9, a liquid crystal display connected to the microcontroller and LCD driver 10 ( In the method for displaying the received electric field strength of an automobile telephone configured to include an LCD (11), checking the TRS state indicating the call mode, if the TRS state is a voice channel, perform a main program and control the TRS state. Control channel, In the first step proceeding to the negative step, it is checked whether the value DLYTTR of the buffer indicating the display time interval of the received electric field strength is "0", and if the value of the buffer DLYTTR is not "0", the value of the buffer ( DLYTTR) is reduced to "1", the main program is executed, and if the value (DLYTTR) of the buffer is "0", the received field strength is converted to sample and display the received field strength on the LCD 11. And a second step of confirming the number of digits of the phone number, and a fourth step of displaying the change number and the received electric field strength. 상기 제1항에 있어서, 상기 제3단계는 전화번호의 자릿수가 11자리를 넘으면 우선 전화번호를 표시하고 일정시간 지연후에 겹치지 않는 전화번호와 수신전계강도를 표시하며, 전화번호 자릿수가 11자리 이하이면 전화번호와 수신전계강도를 동시에 표시하는 것을 특징으로 하는 전화번호 표시부를 이용한 수신전계강도 표시방법.The method of claim 1, wherein in the third step, when the number of digits of the telephone number exceeds 11 digits, the telephone number is first displayed, and after a predetermined time delay, the non-overlapping telephone number and the received electric field strength are displayed. Receiving field strength display method using the phone number display unit characterized in that for displaying the telephone number and the received electric field strength at the same time. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900009578A 1990-06-27 1990-06-27 Method for displaying rssi by using telephone nember display KR920009674B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900009578A KR920009674B1 (en) 1990-06-27 1990-06-27 Method for displaying rssi by using telephone nember display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900009578A KR920009674B1 (en) 1990-06-27 1990-06-27 Method for displaying rssi by using telephone nember display

Publications (2)

Publication Number Publication Date
KR920001877A true KR920001877A (en) 1992-01-30
KR920009674B1 KR920009674B1 (en) 1992-10-22

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Application Number Title Priority Date Filing Date
KR1019900009578A KR920009674B1 (en) 1990-06-27 1990-06-27 Method for displaying rssi by using telephone nember display

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KR (1) KR920009674B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020028062A (en) * 2000-10-05 2002-04-16 이덕원 RSSI detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020028062A (en) * 2000-10-05 2002-04-16 이덕원 RSSI detector

Also Published As

Publication number Publication date
KR920009674B1 (en) 1992-10-22

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