CA973258A - Method and apparatus for equalizing a transmission system - Google Patents

Method and apparatus for equalizing a transmission system

Info

Publication number
CA973258A
CA973258A CA157,953A CA157953A CA973258A CA 973258 A CA973258 A CA 973258A CA 157953 A CA157953 A CA 157953A CA 973258 A CA973258 A CA 973258A
Authority
CA
Canada
Prior art keywords
equalizing
transmission system
transmission
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
CA157,953A
Other languages
English (en)
Other versions
CA157953S (en
Inventor
Yo-Sung Cho
Francis C. Kelcourse
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA973258A publication Critical patent/CA973258A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters And Equalizers (AREA)
CA157,953A 1972-05-15 1972-12-04 Method and apparatus for equalizing a transmission system Expired CA973258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25319972A 1972-05-15 1972-05-15

Publications (1)

Publication Number Publication Date
CA973258A true CA973258A (en) 1975-08-19

Family

ID=22959292

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,953A Expired CA973258A (en) 1972-05-15 1972-12-04 Method and apparatus for equalizing a transmission system

Country Status (11)

Country Link
US (1) US3763359A (ja)
JP (1) JPS5246765B2 (ja)
AU (1) AU471903B2 (ja)
BE (1) BE799484A (ja)
CA (1) CA973258A (ja)
DE (1) DE2323027C3 (ja)
FR (1) FR2184821B1 (ja)
GB (1) GB1418576A (ja)
IT (1) IT991651B (ja)
NL (1) NL163689C (ja)
SE (1) SE384116B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003006A (en) * 1975-10-06 1977-01-11 Bell Telephone Laboratories, Incorporated Pilot tone controlled adaptive amplitude equalizer
GB2036509B (en) * 1978-10-27 1983-01-26 Kokusai Denshin Denwa Co Ltd Automatic phase and amplitude equalisation of fm signals
DE3241813A1 (de) * 1982-11-11 1984-05-17 Siemens Ag Automatisch sich auf die kabellaenge einstellende entzerreranordnung
US4555788A (en) * 1984-02-23 1985-11-26 Itt Corporation Multiple rate baseband receiver
JPS61210152A (ja) * 1985-03-13 1986-09-18 Hitachi Metals Ltd 軟磁性鋳造合金部品
US4638493A (en) * 1985-06-17 1987-01-20 Sperry Corporation Adaptive interference rejection for improved frequency hop detection
US4680027A (en) * 1985-12-12 1987-07-14 Injet Medical Products, Inc. Needleless hypodermic injection device
US5899879A (en) * 1995-12-19 1999-05-04 Genesis Medical Technologies, Inc. Spring-actuated needleless injector
JPH09321672A (ja) * 1996-03-29 1997-12-12 Fujitsu Ltd 線路等化器制御方法並びに積分回路，周波数シフト回路及び伝送装置
GB9929013D0 (en) * 1999-12-09 2000-02-02 Pace Micro Tech Plc Installation of digital receivers
US6942638B1 (en) * 2002-05-30 2005-09-13 Kerry Quinn Needleless injector and ampule system
TWI240523B (en) * 2004-06-25 2005-09-21 Realtek Semiconductor Corp Method for controlling parameters of adaptive equalizer
US20070027428A1 (en) * 2005-05-03 2007-02-01 Pharmajet, Inc. Vial system and method for needle-less injector
US7699802B2 (en) * 2005-05-03 2010-04-20 Pharmajet, Inc. Needle-less injector
US7618393B2 (en) * 2005-05-03 2009-11-17 Pharmajet, Inc. Needle-less injector and method of fluid delivery
US9408972B2 (en) 2011-08-02 2016-08-09 Pharmajet, Inc. Needle-free injection device
KR102102176B1 (ko) 2011-12-13 2020-04-21 파마젯 인코포레이티드 니들 프리 피내 주입 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375473A (en) * 1965-07-15 1968-03-26 Bell Telephone Labor Inc Automatic equalizer for analog channels having means for comparing two test pulses, one pulse traversing the transmission channel and equalizer
US3508172A (en) * 1968-01-23 1970-04-21 Bell Telephone Labor Inc Adaptive mean-square equalizer for data transmission
BE757115A (fr) * 1969-10-08 1971-03-16 Western Electric Co Dispositif pour regler automatiquement un egaliseur
US3657669A (en) * 1970-09-02 1972-04-18 Gte Laboratories Inc Frequency domain adaptive equalizer
US3646480A (en) * 1970-12-24 1972-02-29 Bell Telephone Labor Inc Recursive automatic equalizer

Also Published As

Publication number Publication date
JPS5246765B2 (ja) 1977-11-28
NL163689B (nl) 1980-04-15
AU471903B2 (en) 1976-05-06
IT991651B (it) 1975-08-30
NL7306474A (ja) 1973-11-19
SE384116B (sv) 1976-04-12
JPS4942211A (ja) 1974-04-20
FR2184821B1 (ja) 1978-06-30
DE2323027B2 (de) 1974-09-05
US3763359A (en) 1973-10-02
FR2184821A1 (ja) 1973-12-28
AU5547373A (en) 1974-11-14
GB1418576A (en) 1975-12-24
BE799484A (fr) 1973-08-31
NL163689C (nl) 1980-09-15
DE2323027C3 (de) 1975-05-15
DE2323027A1 (de) 1973-11-22

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