DE68924658T2 - Prädiktive Kodierungsvorrichtung. - Google Patents

Prädiktive Kodierungsvorrichtung.

Info

Publication number: DE68924658T2
Authority: DE; Germany
Prior art keywords: coding device; predictive coding; predictive; coding
Prior art date: 1988-01-14
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 - Lifetime

Application number

DE68924658T

Other languages

English (en)

Other versions

DE68924658D1 (de

Inventor

Hisashi Ishikawa

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.)

Canon Inc

Original Assignee

Canon 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.)

1988-01-14

Filing date

1989-01-10

Publication date

1996-04-18

1988-01-14 Priority claimed from JP606988A external-priority patent/JP3010623B2/ja

1988-02-24 Priority claimed from JP4145588A external-priority patent/JP2733240B2/ja

1989-01-10 Application filed by Canon Inc filed Critical Canon Inc

1995-12-07 Publication of DE68924658D1 publication Critical patent/DE68924658D1/de

1996-04-18 Application granted granted Critical

1996-04-18 Publication of DE68924658T2 publication Critical patent/DE68924658T2/de

2009-01-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]

DE68924658T 1988-01-14 1989-01-10 Prädiktive Kodierungsvorrichtung. Expired - Lifetime DE68924658T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP606988A JP3010623B2 (ja)	1988-01-14	1988-01-14	符号化装置
JP4145588A JP2733240B2 (ja)	1988-02-24	1988-02-24	符号化装置及び復号化装置

Publications (2)

Publication Number	Publication Date
DE68924658D1 DE68924658D1 (de)	1995-12-07
DE68924658T2 true DE68924658T2 (de)	1996-04-18

Family

ID=26340141

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68924658T Expired - Lifetime DE68924658T2 (de)	1988-01-14	1989-01-10	Prädiktive Kodierungsvorrichtung.

Country Status (3)

Country	Link
US (1)	US4995059A (de)
EP (1)	EP0324584B1 (de)
DE (1)	DE68924658T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5107519A (en) *	1988-11-17	1992-04-21	Canon Kabushiki Kaisha	Coding device and a decoding device
JPH02288695A (ja) *	1989-04-28	1990-11-28	Canon Inc	画像符号化及び復号化装置
JP2754741B2 (ja) *	1989-06-09	1998-05-20	キヤノン株式会社	符号化装置
JP3011424B2 (ja) *	1990-01-24	2000-02-21	株式会社東芝	Ａ／ｄ変換器
US5428396A (en) *	1991-08-03	1995-06-27	Sony Corporation	Variable length coding/decoding method for motion vectors
JPH0541862A (ja) *	1991-08-03	1993-02-19	Sony Corp	動きベクトルの可変長符号化方式
US5546395A (en) *	1993-01-08	1996-08-13	Multi-Tech Systems, Inc.	Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem
US5812534A (en) *	1993-01-08	1998-09-22	Multi-Tech Systems, Inc.	Voice over data conferencing for a computer-based personal communications system
US5452289A (en) *	1993-01-08	1995-09-19	Multi-Tech Systems, Inc.	Computer-based multifunction personal communications system
US5864560A (en) *	1993-01-08	1999-01-26	Multi-Tech Systems, Inc.	Method and apparatus for mode switching in a voice over data computer-based personal communications system
US6009082A (en) *	1993-01-08	1999-12-28	Multi-Tech Systems, Inc.	Computer-based multifunction personal communication system with caller ID
US7082106B2 (en) *	1993-01-08	2006-07-25	Multi-Tech Systems, Inc.	Computer-based multi-media communications system and method
US5535204A (en) *	1993-01-08	1996-07-09	Multi-Tech Systems, Inc.	Ringdown and ringback signalling for a computer-based multifunction personal communications system
US5617423A (en) *	1993-01-08	1997-04-01	Multi-Tech Systems, Inc.	Voice over data modem with selectable voice compression
US5754589A (en) *	1993-01-08	1998-05-19	Multi-Tech Systems, Inc.	Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
US5453986A (en) *	1993-01-08	1995-09-26	Multi-Tech Systems, Inc.	Dual port interface for a computer-based multifunction personal communication system
US5682386A (en)	1994-04-19	1997-10-28	Multi-Tech Systems, Inc.	Data/voice/fax compression multiplexer
US5757801A (en) *	1994-04-19	1998-05-26	Multi-Tech Systems, Inc.	Advanced priority statistical multiplexer
US5864585A (en)	1996-10-07	1999-01-26	Erisman; David	Cosine segment communications system
US6694061B1 (en)	1997-06-30	2004-02-17	Intel Corporation	Memory based VLSI architecture for image compression

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4430670A (en) *	1982-03-12	1984-02-07	Bell Telephone Laboratories, Incorporated	Reconstruction of quantized DPCM or PCM signals
DE3306334A1 (de) *	1983-02-23	1984-08-23	Siemens AG, 1000 Berlin und 8000 München	Quantisierer fuer dpcm-codierer
JPS62214792A (ja) *	1986-03-14	1987-09-21	Fujitsu Ltd	差分符号化装置
GB2191653A (en) *	1986-06-10	1987-12-16	Sony Corp	Differential pulse code modulation
FR2602936B1 (fr) *	1986-08-13	1988-12-02	Trt Telecom Radio Electr	Dispositif de codage a modulation differentielle par impulsions codees, dispositif de decodage associe et systeme de transmission comportant au moins un tel dispositif de codage ou de decodage
US4742391A (en) *	1987-01-16	1988-05-03	Cubic Corporation	DPCM video signal compression and transmission system and method
CA1334871C (en) *	1987-02-26	1995-03-21	Norio Suzuki	Device for quantizing an input signal adaptively so that a local decoded signal never exceeds a dynamic range of the input signal
DE3714589A1 (de) *	1987-05-01	1988-11-10	Standard Elektrik Lorenz Ag	Videosignal-codierer mit dpcm und adaptiver praediktion
US4791483A (en) *	1987-11-20	1988-12-13	The Grass Valley Group, Inc.	Adaptive differential pulse code modulation video encoder

1988
- 1988-12-23 US US07/288,994 patent/US4995059A/en not_active Expired - Lifetime
1989
- 1989-01-10 EP EP89300189A patent/EP0324584B1/de not_active Expired - Lifetime
- 1989-01-10 DE DE68924658T patent/DE68924658T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0324584A3 (en)	1990-04-25
EP0324584B1 (de)	1995-11-02
DE68924658D1 (de)	1995-12-07
US4995059A (en)	1991-02-19
EP0324584A2 (de)	1989-07-19

Legal Events

Date	Code	Title	Description
1996-11-28	8364	No opposition during term of opposition

Publication	Publication Date	Title
DE68911113D1 (de)	1994-01-13	Kodiereinrichtung.
DE3854173D1 (de)	1995-08-24	Codiereinrichtung.
DE69011918D1 (de)	1994-10-06	Kodiereinrichtung.
DE69016880D1 (de)	1995-03-23	Transformationskodierungsgerät.
DE69033946T2 (de)	2002-11-21	Kodierungsgerät
DE3773033D1 (de)	1991-10-24	Kodierungsvorrichtung.
DE68910985D1 (de)	1994-01-05	Absteigevorrichtung.
DE68914918D1 (de)	1994-06-01	Bildcodierungsgerät.
DE68924658T2 (de)	1996-04-18	Prädiktive Kodierungsvorrichtung.
DE68923075T2 (de)	1995-11-23	Umkehrvorrichtung.
DE69028149T2 (de)	1997-01-16	Kodiereinrichtung
DE68905491D1 (de)	1993-04-29	Bahnwickelvorrichtung.
DE353087T1 (de)	1991-04-11	Atherektomievorrichtung.
DE69017498D1 (de)	1995-04-13	Sprachcodiergerät.
NO891816D0 (no)	1989-05-02	Elektrolyseinnretning.
DE3686809T2 (de)	1993-02-25	Kodiervorrichtung.
DE69020399D1 (de)	1995-08-03	Vorhersage-Kodierungsvorrichtung.
DE58907756D1 (de)	1994-07-07	Kombinationsgerät.
DE68907989D1 (de)	1993-09-09	Elektroforesevorrichtung.
DE3879664T2 (de)	1993-07-01	Sprachkodierung.
DE68908902D1 (de)	1993-10-14	Montagegerät.
NO892953D0 (no)	1989-07-19	Monteringsanordning.
IT1227409B (it)	1991-04-09	Dispositivo montapanna.
ES1007883Y (es)	1989-07-16	Aparato gimnastico-recreativo.
DE68904551T2 (de)	1993-05-19	Drehmomentuebertragende einrichtung.