GB1418576A - Transmission channel equalization - Google Patents

Transmission channel equalization

Info

Publication number
GB1418576A
GB1418576A GB2207473A GB2207473A GB1418576A GB 1418576 A GB1418576 A GB 1418576A GB 2207473 A GB2207473 A GB 2207473A GB 2207473 A GB2207473 A GB 2207473A GB 1418576 A GB1418576 A GB 1418576A
Authority
GB
United Kingdom
Prior art keywords
frequencies
network
gains
signals
centre
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
GB2207473A
Other languages
English (en)
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 Inc
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
Publication of GB1418576A publication Critical patent/GB1418576A/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)
GB2207473A 1972-05-15 1973-05-09 Transmission channel equalization Expired GB1418576A (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
GB1418576A true GB1418576A (en) 1975-12-24

Family

ID=22959292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2207473A Expired GB1418576A (en) 1972-05-15 1973-05-09 Transmission channel equalization

Country Status (11)

Country Link
US (1) US3763359A (cg-RX-API-DMAC7.html)
JP (1) JPS5246765B2 (cg-RX-API-DMAC7.html)
AU (1) AU471903B2 (cg-RX-API-DMAC7.html)
BE (1) BE799484A (cg-RX-API-DMAC7.html)
CA (1) CA973258A (cg-RX-API-DMAC7.html)
DE (1) DE2323027C3 (cg-RX-API-DMAC7.html)
FR (1) FR2184821B1 (cg-RX-API-DMAC7.html)
GB (1) GB1418576A (cg-RX-API-DMAC7.html)
IT (1) IT991651B (cg-RX-API-DMAC7.html)
NL (1) NL163689C (cg-RX-API-DMAC7.html)
SE (1) SE384116B (cg-RX-API-DMAC7.html)

Families Citing this family (18)

* 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
US4430744A (en) 1981-12-18 1984-02-07 Gte Automatic Electric Incorporated Adaptive IF equalizer for digital transmission
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
JP6317676B2 (ja) 2011-12-13 2018-04-25 ファーマジェット・インコーポレイテッドＰｈａｒｍａＪｅｔ， Ｉｎｃ． 無針皮内注射装置

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
CA973258A (en) 1975-08-19
BE799484A (fr) 1973-08-31
US3763359A (en) 1973-10-02
NL163689C (nl) 1980-09-15
DE2323027C3 (de) 1975-05-15
NL163689B (nl) 1980-04-15
IT991651B (it) 1975-08-30
FR2184821B1 (cg-RX-API-DMAC7.html) 1978-06-30
AU5547373A (en) 1974-11-14
SE384116B (sv) 1976-04-12
FR2184821A1 (cg-RX-API-DMAC7.html) 1973-12-28
DE2323027A1 (de) 1973-11-22
JPS4942211A (cg-RX-API-DMAC7.html) 1974-04-20
JPS5246765B2 (cg-RX-API-DMAC7.html) 1977-11-28
NL7306474A (cg-RX-API-DMAC7.html) 1973-11-19
AU471903B2 (en) 1976-05-06
DE2323027B2 (de) 1974-09-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee