KR930701796A - 데이타 신호의 시간 대 주파수 및 주파수 대 시간 변환 방법 및 장치 - Google Patents

데이타 신호의 시간 대 주파수 및 주파수 대 시간 변환 방법 및 장치

Info

Publication number: KR930701796A
Authority: KR; South Korea
Prior art keywords: frequency; time; data signals; conversion; time conversion
Prior art date: 1991-06-24

Application number

KR1019930700463A

Other languages

English (en)

Other versions

KR100232032B1 (ko

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.)

1991-06-24

Filing date

1993-02-18

Publication date

1993-06-12

1992-05-22 Application filed filed Critical

1993-06-12 Publication of KR930701796A publication Critical patent/KR930701796A/ko

1999-12-01 Application granted granted Critical

1999-12-01 Publication of KR100232032B1 publication Critical patent/KR100232032B1/ko

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Theoretical Computer Science (AREA)
Data Mining & Analysis (AREA)
Mathematical Analysis (AREA)
Pure & Applied Mathematics (AREA)
Mathematical Optimization (AREA)
Computational Mathematics (AREA)
Databases & Information Systems (AREA)
Software Systems (AREA)
General Engineering & Computer Science (AREA)
Algebra (AREA)
Discrete Mathematics (AREA)
Complex Calculations (AREA)
Image Processing (AREA)

KR1019930700463A 1991-06-24 1992-05-22 데이타 신호의 시간대 주파수 및 대 시간 변환 방법 및 장치 KR100232032B1 (ko)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US07/720,202 US5818742A (en)	1991-06-24	1991-06-24	Apparatus to transform time to frequency and frequency to time of data signals
US720.202		1991-06-24
PCT/US1992/004367 WO1993000645A1 (en)	1991-06-24	1992-05-22	Method and apparatus to transform time to frequency and frequency to time of data signals

Publications (2)

Publication Number	Publication Date
KR930701796A true KR930701796A (ko)	1993-06-12
KR100232032B1 KR100232032B1 (ko)	1999-12-01

Family

ID=24893074

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1019930700463A KR100232032B1 (ko)	1991-06-24	1992-05-22	데이타 신호의 시간대 주파수 및 대 시간 변환 방법 및 장치

Country Status (5)

Country	Link
US (1)	US5818742A (ko)
JP (1)	JP3560607B2 (ko)
KR (1)	KR100232032B1 (ko)
AU (1)	AU2169892A (ko)
WO (1)	WO1993000645A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5471412A (en) *	1993-10-27	1995-11-28	Winbond Electronic Corp.	Recycling and parallel processing method and apparatus for performing discrete cosine transform and its inverse
US7222303B2 (en) *	1999-07-15	2007-05-22	Hotbar.Com, Inc.	System and method for the dynamic improvement of internet browser navigability
US6677962B1 (en) *	2000-06-26	2004-01-13	Microsoft Corporation	Methods and systems for manipulating user interface controls
US6876704B2 (en) *	2001-05-16	2005-04-05	Qualcomm, Incorporated	Apparatus and method for encoding and computing a discrete cosine transform using a butterfly processor
US6870885B2 (en)	2001-05-16	2005-03-22	Qualcomm Incorporated	Apparatus and method for decoding and computing a discrete cosine transform using a butterfly processor
KR100577005B1 (ko) *	2003-12-27	2006-05-10	한국전자통신연구원	고속 하다마드 변환 및 고속 푸리에 변환의 선택적 수행장치 및 방법
JP2005322175A (ja) *	2004-05-11	2005-11-17	Sony Corp	演算装置および演算方法、並びにプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2581463B1 (fr) *	1985-05-03	1989-09-08	Thomson Csf	Dispositifs de calcul de transformees cosinus, dispositif de codage et dispositif de decodage d'images comportant de tels dispositifs de calcul
FR2582424B1 (fr) *	1985-05-22	1989-06-30	Guichard Jacques	Circuit de calcul rapide de la transformee en cosinus, directe ou inverse, d'un signal discret
FR2608808B1 (fr) *	1986-12-22	1989-04-28	Efcis	Circuit integre de traitement numerique de signaux
US5029122A (en) *	1988-12-27	1991-07-02	Kabushiki Kaisha Toshiba	Discrete cosine transforming apparatus

1991
- 1991-06-24 US US07/720,202 patent/US5818742A/en not_active Expired - Fee Related
1992
- 1992-05-22 JP JP50147493A patent/JP3560607B2/ja not_active Expired - Lifetime
- 1992-05-22 KR KR1019930700463A patent/KR100232032B1/ko not_active IP Right Cessation
- 1992-05-22 AU AU21698/92A patent/AU2169892A/en not_active Abandoned
- 1992-05-22 WO PCT/US1992/004367 patent/WO1993000645A1/en active Application Filing

Also Published As

Publication number	Publication date
WO1993000645A1 (en)	1993-01-07
AU2169892A (en)	1993-01-25
JP3560607B2 (ja)	2004-09-02
KR100232032B1 (ko)	1999-12-01
JPH06500880A (ja)	1994-01-27
US5818742A (en)	1998-10-06

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Legal Events

Date	Code	Title	Description
1993-02-18	PA0109	Patent application	Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19930218
1993-06-12	PG1501	Laying open of application
1997-05-19	A201	Request for examination
1997-05-19	PA0201	Request for examination	Patent event code: PA02012R01D Patent event date: 19970519 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19930218 Comment text: Patent Application
1997-09-25	N231	Notification of change of applicant
1997-09-25	PN2301	Change of applicant	Patent event date: 19970925 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D
1997-10-02	N231	Notification of change of applicant
1997-10-02	PN2301	Change of applicant	Patent event date: 19971002 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D
1999-06-28	E701	Decision to grant or registration of patent right
1999-06-28	PE0701	Decision of registration	Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990628
1999-09-02	GRNT	Written decision to grant
1999-09-02	PR0701	Registration of establishment	Comment text: Registration of Establishment Patent event date: 19990902 Patent event code: PR07011E01D
1999-09-02	PR1002	Payment of registration fee	Payment date: 19990903 End annual number: 3 Start annual number: 1
1999-12-01	PG1601	Publication of registration
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