JPS6142997B2 - - Google Patents

Info

Publication number
JPS6142997B2
JPS6142997B2 JP56139499A JP13949981A JPS6142997B2 JP S6142997 B2 JPS6142997 B2 JP S6142997B2 JP 56139499 A JP56139499 A JP 56139499A JP 13949981 A JP13949981 A JP 13949981A JP S6142997 B2 JPS6142997 B2 JP S6142997B2
Authority
JP
Japan
Prior art keywords
value
current
down counter
counted
input
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
JP56139499A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5842392A (ja
Inventor
Akira Ishizawa
Kazuo Hamasato
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56139499A priority Critical patent/JPS5842392A/ja
Publication of JPS5842392A publication Critical patent/JPS5842392A/ja
Publication of JPS6142997B2 publication Critical patent/JPS6142997B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pulse Circuits (AREA)
  • Manipulation Of Pulses (AREA)
JP56139499A 1981-09-04 1981-09-04 ダイヤルパルス波形整形方式 Granted JPS5842392A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56139499A JPS5842392A (ja) 1981-09-04 1981-09-04 ダイヤルパルス波形整形方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56139499A JPS5842392A (ja) 1981-09-04 1981-09-04 ダイヤルパルス波形整形方式

Publications (2)

Publication Number Publication Date
JPS5842392A JPS5842392A (ja) 1983-03-11
JPS6142997B2 true JPS6142997B2 (cg-RX-API-DMAC7.html) 1986-09-25

Family

ID=15246694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56139499A Granted JPS5842392A (ja) 1981-09-04 1981-09-04 ダイヤルパルス波形整形方式

Country Status (1)

Country Link
JP (1) JPS5842392A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPS5842392A (ja) 1983-03-11

Similar Documents

Publication Publication Date Title
US4301360A (en) Time interval meter
US3958133A (en) Digital noise discriminator
JPS6142997B2 (cg-RX-API-DMAC7.html)
CN111327333A (zh) 解码电路
US4939775A (en) Telephone ringing detector
CA1131717A (en) Digital operate/release timer
KR20010101841A (ko) 비교기 회로
US3908091A (en) Dial pulse correction circuit for telephone signaling system
JPS6254277B2 (cg-RX-API-DMAC7.html)
US3999085A (en) Noise rejection circuit
HU176228B (en) Arrangement to generate signals indicating pulses of lenght exceeding same duration in an input pulse train
SU1513432A1 (ru) Устройство дл регулировани мощности
JPH04270594A (ja) 信号検出回路
SU1527703A1 (ru) Устройство дл управлени шаговым двигателем
JPH023349B2 (cg-RX-API-DMAC7.html)
SU1566312A1 (ru) Устройство дл автоматического контрол сопротивлени изол ции электрических цепей
JPS62256553A (ja) 汎用電話音声信号検出回路
SU1374249A1 (ru) Устройство дл контрол переключени контактов
JPH04285422A (ja) 過電圧検出回路
JPS63101918A (ja) クロツク断検出回路
JPS63151144A (ja) 着信検出装置
JPS6333375Y2 (cg-RX-API-DMAC7.html)
JPS6314522Y2 (cg-RX-API-DMAC7.html)
JPH01300649A (ja) Ｐｃｍ入力断後方保護回路
JPS61263395A (ja) 受信ダイヤルパルス波形修正回路