JPH0143505B2 - - Google Patents

Info

Publication number
JPH0143505B2
JPH0143505B2 JP57018166A JP1816682A JPH0143505B2 JP H0143505 B2 JPH0143505 B2 JP H0143505B2 JP 57018166 A JP57018166 A JP 57018166A JP 1816682 A JP1816682 A JP 1816682A JP H0143505 B2 JPH0143505 B2 JP H0143505B2
Authority
JP
Japan
Prior art keywords
circuit
counting
loop
output
detection circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP57018166A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58137355A (ja
Inventor
Akihiro Kobayashi
Yutaka Nishino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
Original Assignee
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
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 Nippon Telegraph and Telephone Corp, Iwasaki Tsushinki KK filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1816682A priority Critical patent/JPS58137355A/ja
Publication of JPS58137355A publication Critical patent/JPS58137355A/ja
Publication of JPH0143505B2 publication Critical patent/JPH0143505B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
JP1816682A 1982-02-09 1982-02-09 通話時間計数装置 Granted JPS58137355A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1816682A JPS58137355A (ja) 1982-02-09 1982-02-09 通話時間計数装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1816682A JPS58137355A (ja) 1982-02-09 1982-02-09 通話時間計数装置

Publications (2)

Publication Number Publication Date
JPS58137355A JPS58137355A (ja) 1983-08-15
JPH0143505B2 true JPH0143505B2 (enrdf_load_stackoverflow) 1989-09-21

Family

ID=11964018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1816682A Granted JPS58137355A (ja) 1982-02-09 1982-02-09 通話時間計数装置

Country Status (1)

Country Link
JP (1) JPS58137355A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225203B2 (enrdf_load_stackoverflow) * 1972-12-30 1977-07-06
US3925623A (en) * 1974-03-08 1975-12-09 Trw Inc Line identification and metering system
JPS551775A (en) * 1978-06-20 1980-01-08 Matsushita Electric Ind Co Ltd Recorder for communication time

Also Published As

Publication number Publication date
JPS58137355A (ja) 1983-08-15

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