CA1336342C - Modem multimode a filtrage numerique - Google Patents

Modem multimode a filtrage numerique

Info

Publication number: CA1336342C
Authority: CA; Canada
Prior art keywords: digital; stream; samples; digital samples; channel
Prior art date: 1988-01-21
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.)

1988-01-21

Filing date

1989-01-20

Publication date

1995-07-18

1989-01-20 Application filed by Codex Corp filed Critical Codex Corp

1995-07-18 Application granted granted Critical

1995-07-18 Publication of CA1336342C publication Critical patent/CA1336342C/fr

2012-07-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000001914 filtration Methods 0.000 title claims abstract description 12
238000000034 method Methods 0.000 claims abstract description 11
230000000694 effects Effects 0.000 claims abstract description 8
238000004891 communication Methods 0.000 claims description 13
238000013507 mapping Methods 0.000 claims description 7
101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 4
238000010586 diagram Methods 0.000 description 4
238000005070 sampling Methods 0.000 description 4
238000012952 Resampling Methods 0.000 description 2
239000000872 buffer Substances 0.000 description 2
239000003990 capacitor Substances 0.000 description 1
239000000969 carrier Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
235000009508 confectionery Nutrition 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000005316 response function Methods 0.000 description 1
238000007493 shaping process Methods 0.000 description 1

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)
Analogue/Digital Conversion (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Compression, Expansion, Code Conversion, And Decoders (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

1989
- 1989-01-20 CA CA 588773 patent/CA1336342C/fr not_active Expired - Fee Related
- 1989-01-20 JP JP1174189A patent/JPH01284010A/ja active Pending
- 1989-01-20 GB GB8901315A patent/GB2214378B/en not_active Expired - Lifetime
- 1989-01-23 FR FR8900756A patent/FR2626421B1/fr not_active Expired - Fee Related

Also Published As

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

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Legal Events

Date	Code	Title	Description
2002-07-18	MKLA	Lapsed