JPH0526379B2 - - Google Patents

Info

Publication number
JPH0526379B2
JPH0526379B2 JP62061836A JP6183687A JPH0526379B2 JP H0526379 B2 JPH0526379 B2 JP H0526379B2 JP 62061836 A JP62061836 A JP 62061836A JP 6183687 A JP6183687 A JP 6183687A JP H0526379 B2 JPH0526379 B2 JP H0526379B2
Authority
JP
Japan
Prior art keywords
output
signal
frequency
modem
comparator
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 - Fee Related
Application number
JP62061836A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63227228A (ja
Inventor
Kaoru Yamamoto
Tomoyoshi Takebayashi
Kazuo Murano
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62061836A priority Critical patent/JPS63227228A/ja
Publication of JPS63227228A publication Critical patent/JPS63227228A/ja
Publication of JPH0526379B2 publication Critical patent/JPH0526379B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP62061836A 1987-03-17 1987-03-17 モデムトレ−ニング信号検出器 Granted JPS63227228A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62061836A JPS63227228A (ja) 1987-03-17 1987-03-17 モデムトレ−ニング信号検出器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62061836A JPS63227228A (ja) 1987-03-17 1987-03-17 モデムトレ−ニング信号検出器

Publications (2)

Publication Number Publication Date
JPS63227228A JPS63227228A (ja) 1988-09-21
JPH0526379B2 true JPH0526379B2 (enrdf_load_stackoverflow) 1993-04-15

Family

ID=13182575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62061836A Granted JPS63227228A (ja) 1987-03-17 1987-03-17 モデムトレ−ニング信号検出器

Country Status (1)

Country Link
JP (1) JPS63227228A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438446B2 (enrdf_load_stackoverflow) * 1973-03-29 1979-11-21
JPS54507A (en) * 1977-06-03 1979-01-05 Hitachi Ltd Receiver for multi-frequency signal
JPS6240829A (ja) * 1985-08-16 1987-02-21 Fujitsu Ltd モデムトレ−ニング信号検出器

Also Published As

Publication number Publication date
JPS63227228A (ja) 1988-09-21

Similar Documents

Publication Publication Date Title
US4606045A (en) Method and apparatus for detecting an equalizer training period in a receiving-end modem
US5815568A (en) Disabling tone detector for network echo canceller
US6160857A (en) Demodulator for frequency shift keying signals
US4788692A (en) Adaptive differential pulse code modulation system
US4462108A (en) Modem signal acquisition technique
JPH0526379B2 (enrdf_load_stackoverflow)
JPH11298541A (ja) 中心レベル誤差検出補正回路
JPH0548973B2 (enrdf_load_stackoverflow)
EP0238100A2 (en) Improved modem signal acquisition technique
JPH04348621A (ja) トレーニング検出装置
JPS587968A (ja) リングトリツプ回路
EP0134860A1 (en) Improved modem signal acquisition technique
JPH0282847A (ja) 入力信号断検出制御方式
JPS6224733A (ja) 切替制御方式
US3157741A (en) Data transmission system
JP2001086042A (ja) 配電線搬送通信装置
JPH04115726A (ja) トレーニング信号検出装置
CA1245306A (en) Real time network receiver system fast settling amplifier
US20020168031A1 (en) Method and apparatus for communication in an environment having repetitive noise
JP3100281B2 (ja) スロット同期装置
JPH0378826B2 (enrdf_load_stackoverflow)
JPH0316451A (ja) バースト検出装置
Hordeski Jr TUNABLE FSK/AM SIGNAL DETECTOR ON A 6U-VME CARD
JPH02137423A (ja) 回線状態判定方式
JPH0730593A (ja) 変調波通信方法

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees