KR880005416U - 자동응답 전화기의 통화종료 감지회로 - Google Patents

자동응답 전화기의 통화종료 감지회로

Info

Publication number
KR880005416U
KR880005416U KR2019860012258U KR860012258U KR880005416U KR 880005416 U KR880005416 U KR 880005416U KR 2019860012258 U KR2019860012258 U KR 2019860012258U KR 860012258 U KR860012258 U KR 860012258U KR 880005416 U KR880005416 U KR 880005416U
Authority
KR
South Korea
Prior art keywords
automatic call
call answering
answering circuit
circuit
automatic
Prior art date
Application number
KR2019860012258U
Other languages
English (en)
Other versions
KR900001735Y1 (ko
Inventor
최우성
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR2019860012258U priority Critical patent/KR900001735Y1/ko
Publication of KR880005416U publication Critical patent/KR880005416U/ko
Application granted granted Critical
Publication of KR900001735Y1 publication Critical patent/KR900001735Y1/ko

Links

Classifications

    • 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
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/02—Diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/04—Transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR2019860012258U 1986-08-13 1986-08-13 자동응답 전화기의 통화종료 감지회로 KR900001735Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860012258U KR900001735Y1 (ko) 1986-08-13 1986-08-13 자동응답 전화기의 통화종료 감지회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860012258U KR900001735Y1 (ko) 1986-08-13 1986-08-13 자동응답 전화기의 통화종료 감지회로

Publications (2)

Publication Number Publication Date
KR880005416U true KR880005416U (ko) 1988-05-12
KR900001735Y1 KR900001735Y1 (ko) 1990-03-05

Family

ID=19254930

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860012258U KR900001735Y1 (ko) 1986-08-13 1986-08-13 자동응답 전화기의 통화종료 감지회로

Country Status (1)

Country Link
KR (1) KR900001735Y1 (ko)

Also Published As

Publication number Publication date
KR900001735Y1 (ko) 1990-03-05

Similar Documents

Publication Publication Date Title
GB2197768B (en) Automatic telephone answering
PT84929A (de) Fernsprech-teilnehmerschaltung
KR870014007U (ko) 전화기용 송수화기
DE69024532D1 (de) Automatischer Telefonanrufbeantworter
DE3784429D1 (de) Automatischer fernsprechbeantworter.
DE3886513D1 (de) Fernsprechschnittstellenschaltung.
DK683888D0 (da) Telefonkredsloeb
DE68926699D1 (de) Automatischer Wählapparat
KR880005416U (ko) 자동응답 전화기의 통화종료 감지회로
DE3687611D1 (de) Automatischer telefonanrufbeantworter.
DE3672546D1 (de) Automatischer telefonanrufbeantworter.
GB2187915B (en) Ringing circuit
KR870015569U (ko) 전화기 발신회로
KR880011145U (ko) 스피이커 자동 선택회로
KR880003581U (ko) 전화 자동 절환장치
KR870016523U (ko) 엘리베이터 부름 자동 등록회로
KR880018720U (ko) 전화기의 자동 경보장치
KR870011510U (ko) 자동전화 응답기의 녹음 차단회로
KR880008888U (ko) 전화기의 라인홀드 자동릴리스 회로
KR880010909U (ko) 전화기의 자동 조명등 회로
KR880011052U (ko) 음성 다중 모우드의 자동 전환회로
KR880005417U (ko) 전화의 자동 응답시스템
KR880014278U (ko) 방문객 자동응답장치
KR880008891U (ko) 전화의 음성판별 회로
BR8702245A (pt) Discador automatico de telefones

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970829

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee