CA1336342C - Modem multimode a filtrage numerique - Google Patents

Modem multimode a filtrage numerique

Info

Publication number
CA1336342C
CA1336342C CA 588773 CA588773A CA1336342C CA 1336342 C CA1336342 C CA 1336342C CA 588773 CA588773 CA 588773 CA 588773 A CA588773 A CA 588773A CA 1336342 C CA1336342 C CA 1336342C
Authority
CA
Canada
Prior art keywords
digital
stream
samples
digital samples
channel
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
CA 588773
Other languages
English (en)
Inventor
Richard B. Kline
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.)
Motorola Solutions Inc
Original Assignee
Codex 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 Codex Corp filed Critical Codex Corp
Application granted granted Critical
Publication of CA1336342C publication Critical patent/CA1336342C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
CA 588773 1988-01-21 1989-01-20 Modem multimode a filtrage numerique Expired - Fee Related CA1336342C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14632888A 1988-01-21 1988-01-21
US146,328 1988-01-21

Publications (1)

Publication Number Publication Date
CA1336342C true CA1336342C (fr) 1995-07-18

Family

ID=22516870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 588773 Expired - Fee Related CA1336342C (fr) 1988-01-21 1989-01-20 Modem multimode a filtrage numerique

Country Status (4)

Country Link
JP (1) JPH01284010A (fr)
CA (1) CA1336342C (fr)
FR (1) FR2626421B1 (fr)
GB (1) GB2214378B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142286A (en) * 1990-10-01 1992-08-25 General Electric Company Read-out photodiodes using sigma-delta oversampled analog-to-digital converters
SE467436B (sv) * 1990-11-16 1992-07-13 Ericsson Telefon Ab L M Foerfarande och anordning foer att minska den erforderliga storleken hos ett digitalt filter i samband med ekoeliminering i en abonnentlinjekrets
US5274469A (en) * 1991-12-23 1993-12-28 Eastman Kodak Company Sample rate converter circuit for image data

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2133118A5 (fr) * 1971-04-08 1972-11-24 Trt Telecom Radio Electr
NL7416480A (nl) * 1974-12-18 1976-06-22 Philips Nv Inrichting bevattende een integrerende digitale signaalbewerkingsinrichting.
JPS54162935A (en) * 1978-06-14 1979-12-25 Toshiba Corp Variable length shift register device
JPS5592012A (en) * 1978-12-29 1980-07-12 Fujitsu Ltd Variable delay circuit
FR2490901A1 (fr) * 1980-09-19 1982-03-26 Trt Telecom Radio Electr Annuleur d'echo numerique muni d'un convertisseur analogique-numerique a dynamique reglable
JPS6086906A (ja) * 1983-10-18 1985-05-16 Sony Corp 可変遅延回路
JPS6087517A (ja) * 1983-10-19 1985-05-17 Sony Corp 可変遅延回路
JPS6121613A (ja) * 1984-07-09 1986-01-30 Matsushita Electric Ind Co Ltd 信号遅延ユニツト

Also Published As

Publication number Publication date
FR2626421A1 (fr) 1989-07-28
JPH01284010A (ja) 1989-11-15
GB2214378B (en) 1992-07-22
GB2214378A (en) 1989-08-31
FR2626421B1 (fr) 1994-02-04
GB8901315D0 (en) 1989-03-15

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Legal Events

Date Code Title Description
MKLA Lapsed