KR920007203U - 전화기의 통화시간 경보발생회로 - Google Patents

전화기의 통화시간 경보발생회로

Info

Publication number
KR920007203U
KR920007203U KR2019900014644U KR900014644U KR920007203U KR 920007203 U KR920007203 U KR 920007203U KR 2019900014644 U KR2019900014644 U KR 2019900014644U KR 900014644 U KR900014644 U KR 900014644U KR 920007203 U KR920007203 U KR 920007203U
Authority
KR
South Korea
Prior art keywords
alarm circuit
time alarm
telephone time
telephone
circuit
Prior art date
Application number
KR2019900014644U
Other languages
English (en)
Other versions
KR950003793Y1 (ko
Inventor
조규창
이계욱
Original Assignee
대우전자 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 대우전자 주식회사 filed Critical 대우전자 주식회사
Priority to KR2019900014644U priority Critical patent/KR950003793Y1/ko
Publication of KR920007203U publication Critical patent/KR920007203U/ko
Application granted granted Critical
Publication of KR950003793Y1 publication Critical patent/KR950003793Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H04M15/12—Discriminative metering, charging or billing
    • H04M15/18—Discriminative metering, charging or billing according to duration of the call, or the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H04M15/835—Time or frequency of notifications, e.g. Advice of Charge [AoC]
    • H04M15/8356—Time or frequency of notifications, e.g. Advice of Charge [AoC] in regular intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/83—Notification aspects
    • H04M15/84—Types of notifications
    • H04M15/848—Tone, e.g. beeper
    • 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
    • H04M2201/12—Counting circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
KR2019900014644U 1990-09-21 1990-09-21 전화기의 통화시간 경보발생회로 KR950003793Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900014644U KR950003793Y1 (ko) 1990-09-21 1990-09-21 전화기의 통화시간 경보발생회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900014644U KR950003793Y1 (ko) 1990-09-21 1990-09-21 전화기의 통화시간 경보발생회로

Publications (2)

Publication Number Publication Date
KR920007203U true KR920007203U (ko) 1992-04-22
KR950003793Y1 KR950003793Y1 (ko) 1995-05-15

Family

ID=19303666

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900014644U KR950003793Y1 (ko) 1990-09-21 1990-09-21 전화기의 통화시간 경보발생회로

Country Status (1)

Country Link
KR (1) KR950003793Y1 (ko)

Also Published As

Publication number Publication date
KR950003793Y1 (ko) 1995-05-15

Similar Documents

Publication Publication Date Title
DE69024638D1 (de) Aktivierungsschaltung
DE69131531D1 (de) Integrierschaltung
DE69119152D1 (de) Schaltungsanordnung
DE69124896D1 (de) Elektronischer Schaltkreis
DE69016648D1 (de) Fernmeldeleitungsschaltung.
BR9006653A (pt) Complexo central de circuitos eletronicos
DE69033030T2 (de) Exponentialfunktionsschaltkreis
DE69128166D1 (de) Oszillatorschaltung
DE59008774D1 (de) Löschkreis.
DE69116661D1 (de) Kombinierter telefonapparat
DE69132775D1 (de) Zählerschaltung
DK683888A (da) Telefonkredsloeb
DK0489194T3 (da) Kredsløbsarrangement
KR920007203U (ko) 전화기의 통화시간 경보발생회로
DE69131305T2 (de) Fernsprech-Vorrichtung
KR910016007U (ko) 키폰 전화기의 외부 경보장치 접속회로
KR930007702U (ko) 전화기의 통화회로망 회로
KR920001502U (ko) 전화선 단자반
KR920008557U (ko) 전화벨
KR920010671U (ko) 전화기의 송화증폭회로
DE69119363D1 (de) Halteschaltung
KR920015956U (ko) 전화기의 송수화 회로
KR930009918U (ko) 전화기 사용 확인표시회로
KR920017118U (ko) 경보기 회로
KR890021985U (ko) 전화기를 이용한 경보장치

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: 20010430

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee