KR950030570A - Recording device of mobile phone - Google Patents

Recording device of mobile phone Download PDF

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Publication number
KR950030570A
KR950030570A KR1019940008744A KR19940008744A KR950030570A KR 950030570 A KR950030570 A KR 950030570A KR 1019940008744 A KR1019940008744 A KR 1019940008744A KR 19940008744 A KR19940008744 A KR 19940008744A KR 950030570 A KR950030570 A KR 950030570A
Authority
KR
South Korea
Prior art keywords
voice
integrated circuit
voice signal
signal
dram
Prior art date
Application number
KR1019940008744A
Other languages
Korean (ko)
Other versions
KR970000672B1 (en
Inventor
김영수
김기범
Original Assignee
김주용
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.)
Filing date
Publication date
Application filed by 김주용, 현대전자산업 주식회사 filed Critical 김주용
Priority to KR1019940008744A priority Critical patent/KR970000672B1/en
Publication of KR950030570A publication Critical patent/KR950030570A/en
Application granted granted Critical
Publication of KR970000672B1 publication Critical patent/KR970000672B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72433—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for voice messaging, e.g. dictaphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/656—Recording arrangements for recording a message from the calling party for recording conversations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/68—Details of telephonic subscriber devices with means for recording information, e.g. telephone number during a conversation

Abstract

본 발명은 휴대용 전화기의 녹음장치에 관한 것으로 특히, 기존의 휴대용 전화기내에 음성동기화 집적회로(4), DRAM(5), 미분기(6), 3단 저역통과 필터부(7), 음성증폭기(8) 및 적분기(9)를 부가시켜 통화중 기록해야할 중요한 사항이 발생되었을시 신속하게 녹음시켰다가 재생시킬 수 있도록 하므로서 제품의 신뢰도를 대폭 향상시킬 수 있는 것이다.The present invention relates to a recording device of a portable telephone, and more particularly, to a voice synchronization integrated circuit (4), a DRAM (5), a differentiator (6), a three-stage low pass filter (7), and an audio amplifier (8) in an existing portable telephone. ) And integrator (9) can be recorded and reproduced quickly when important matters to be recorded during a call can be greatly improved, thereby greatly improving the reliability of the product.

Description

휴대용 전화기의 녹음장치Recording device of mobile phone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 휴대용 전화기 녹음장치 상세 회로도.1 is a detailed circuit diagram of a portable telephone recording apparatus of the present invention.

Claims (1)

국선(L1,L2)을 통해 송신되어 오는 상대방의 음성신호를 사용자의 수화기(11)를 통해 출력시켜 줌과 동시에 송화기(10)를 통해 입력되는 사용자의 음성신호를 국선을 통해 송출시켜 주는 음성신호 처리부(1)와; 다이얼신호등을 포함한 각종 키신호를 발생시키는 키입력부(2)와; 소정프로그램에 의해 전화기의 전반적인 제어기능을 수행하는 마이컴(3)을 구비한 휴대용 전화기에 있어서, 키입력부(2)에서 녹음키가 조작되어 마이컴(3)으로 부터 소정의 출력신호가 발생되면 사용자 및 상대방의 아날로그 음성신호를 디지탈로 변화시켜 DRAM(5)에 저장시키고 재생키가 조작되면 DRAM(5)에 기억되어 있는 음성데이타를 아날로그로 변환시켜 출력하는 음성동기화 집적회로(4)와; 상기 음성동기화 직접회로(4)부에서 출력되는 디지탈의 음성데이타를 소정번지에 기억시켰다가 필요시마다 해당번지에 기억된 데이타들을 출력시켜 주는 DRAM(5)과; 국선(L1,L2)을 통해 송, 수신되는 음성신호의 레벨을 소정레벨로 감쇄시켜 상기 음성동기화 집적회로(4)로 입력시켜 주는 미분기(6)와; 상기 음성동기화 집적회로(4)로부터 출력되는 음성신호내의 고주파잡음을 제거시켜 주는 3단 저역통과 필터부(7)와; 상기 3단 저역통과 필터부(7)로 부터 출력되는 음성신호를 소정레벨로 증폭시켜 스피커(SP)를 통해 재생시켜 주는 음성증폭기(8)와; 각부에 인가되는 전원전압내의 고주파 잡음을 제거시켜 주는 적분기(9)를 부가시켜서 된 것을 특징으로 하는 휴대용 전화기의 녹음장치.A voice signal that outputs the voice signal of the other party transmitted through the trunk lines L1 and L2 through the handset 11 of the user and simultaneously transmits the voice signal of the user input through the talker 10 through the trunk line. A processing unit 1; A key input section 2 for generating various key signals including a dial signal and the like; In a portable telephone having a microcomputer (3) which performs the overall control function of the telephone by a predetermined program, when a recording key is operated by the key input unit (2) to generate a predetermined output signal from the microcomputer (3) A voice synchronization integrated circuit 4 for converting the analog voice signal of the other party to digital and storing it in the DRAM 5 and converting the voice data stored in the DRAM 5 to analog when the playback key is operated; A DRAM (5) for storing digital voice data output from the voice synchronization integrated circuit (4) at a predetermined address and outputting data stored at the corresponding address whenever necessary; A differentiator 6 which attenuates the level of the voice signal transmitted and received via trunk lines L1 and L2 to a predetermined level and inputs it to the voice synchronization integrated circuit 4; A three-stage low pass filter (7) for removing high frequency noise in the audio signal output from the voice synchronization integrated circuit (4); A voice amplifier 8 for amplifying the voice signal output from the three-stage low pass filter unit 7 to a predetermined level and reproducing it through the speaker SP; A recording apparatus for a portable telephone, characterized by adding an integrator (9) for removing high frequency noise in a power supply voltage applied to each part. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940008744A 1994-04-25 1994-04-25 Handy-phone recording apparatus KR970000672B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940008744A KR970000672B1 (en) 1994-04-25 1994-04-25 Handy-phone recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940008744A KR970000672B1 (en) 1994-04-25 1994-04-25 Handy-phone recording apparatus

Publications (2)

Publication Number Publication Date
KR950030570A true KR950030570A (en) 1995-11-24
KR970000672B1 KR970000672B1 (en) 1997-01-16

Family

ID=19381685

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940008744A KR970000672B1 (en) 1994-04-25 1994-04-25 Handy-phone recording apparatus

Country Status (1)

Country Link
KR (1) KR970000672B1 (en)

Also Published As

Publication number Publication date
KR970000672B1 (en) 1997-01-16

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