SG73402A1 - Computer processor utilizing logarithmic conversion and method of use thereof - Google Patents
Computer processor utilizing logarithmic conversion and method of use thereofInfo
- Publication number
- SG73402A1 SG73402A1 SG1996006419A SG1996006419A SG73402A1 SG 73402 A1 SG73402 A1 SG 73402A1 SG 1996006419 A SG1996006419 A SG 1996006419A SG 1996006419 A SG1996006419 A SG 1996006419A SG 73402 A1 SG73402 A1 SG 73402A1
- Authority
- SG
- Singapore
- Prior art keywords
- computer processor
- logarithmic conversion
- processor utilizing
- utilizing logarithmic
- conversion
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
- G06F1/0307—Logarithmic or exponential functions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
- G06F7/5235—Multiplying only using indirect methods, e.g. quarter square method, via logarithmic domain
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Complex Calculations (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Advance Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/403,158 US5685008A (en) | 1995-03-13 | 1995-03-13 | Computer Processor utilizing logarithmic conversion and method of use thereof |
US08/512,849 US5696986A (en) | 1995-03-13 | 1995-08-09 | Computer processor utilizing logarithmic conversion and method of use thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
SG73402A1 true SG73402A1 (en) | 2000-06-20 |
Family
ID=27018181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996006419A SG73402A1 (en) | 1995-03-13 | 1996-03-14 | Computer processor utilizing logarithmic conversion and method of use thereof |
Country Status (8)
Country | Link |
---|---|
US (1) | US5696986A (zh) |
KR (1) | KR960035301A (zh) |
CN (1) | CN1140278A (zh) |
AU (1) | AU4768296A (zh) |
FR (1) | FR2731813A1 (zh) |
IT (1) | IT1284293B1 (zh) |
SG (1) | SG73402A1 (zh) |
WO (1) | WO1996028775A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5930158A (en) * | 1997-07-02 | 1999-07-27 | Creative Technology, Ltd | Processor with instruction set for audio effects |
US6032168A (en) * | 1997-08-15 | 2000-02-29 | Motorola, Inc. | Computer system to perform a filter operation using a logarithm and inverse-logarithm converter and methods thereof |
US6023719A (en) * | 1997-09-04 | 2000-02-08 | Motorola, Inc. | Signal processor and method for fast Fourier transformation |
US5951629A (en) * | 1997-09-15 | 1999-09-14 | Motorola, Inc. | Method and apparatus for log conversion with scaling |
US7231614B2 (en) * | 2004-07-06 | 2007-06-12 | Quickfilter Technologies, Inc. | System and method for design and implementation of integrated-circuit digital filters |
US8510361B2 (en) * | 2010-05-28 | 2013-08-13 | George Massenburg | Variable exponent averaging detector and dynamic range controller |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439839A (en) * | 1981-08-24 | 1984-03-27 | International Telephone And Telegraph Corporation | Dynamically programmable processing element |
US4555768A (en) * | 1983-06-07 | 1985-11-26 | Rca Corporation | Digital signal processing system employing logarithms to multiply and divide |
US4700319A (en) * | 1985-06-06 | 1987-10-13 | The United States Of America As Represented By The Secretary Of The Air Force | Arithmetic pipeline for image processing |
US5109524A (en) * | 1985-07-02 | 1992-04-28 | Vlsi Technology, Inc. | Digital processor with a four part data register for storing data before and after data conversion and data calculations |
US5337266A (en) * | 1987-12-21 | 1994-08-09 | Arnold Mark G | Method and apparatus for fast logarithmic addition and subtraction |
US5359551A (en) * | 1989-06-14 | 1994-10-25 | Log Point Technologies, Inc. | High speed logarithmic function generating apparatus |
US5097434A (en) * | 1990-10-03 | 1992-03-17 | The Ohio State University Research Foundation | Hybrid signed-digit/logarithmic number system processor |
US5331582A (en) * | 1991-12-16 | 1994-07-19 | Pioneer Electronic Corporation | Digital signal processor using a coefficient value corrected according to the shift of input data |
US5365465A (en) * | 1991-12-26 | 1994-11-15 | Texas Instruments Incorporated | Floating point to logarithm converter |
US5553012A (en) * | 1995-03-10 | 1996-09-03 | Motorola, Inc. | Exponentiation circuit utilizing shift means and method of using same |
-
1995
- 1995-08-09 US US08/512,849 patent/US5696986A/en not_active Expired - Fee Related
-
1996
- 1996-01-23 WO PCT/US1996/001019 patent/WO1996028775A1/en active Application Filing
- 1996-01-23 AU AU47682/96A patent/AU4768296A/en not_active Abandoned
- 1996-02-13 FR FR9601725A patent/FR2731813A1/fr active Pending
- 1996-03-11 CN CN96103925A patent/CN1140278A/zh active Pending
- 1996-03-11 IT IT96RM000155A patent/IT1284293B1/it active IP Right Grant
- 1996-03-12 KR KR1019960006456A patent/KR960035301A/ko not_active Application Discontinuation
- 1996-03-14 SG SG1996006419A patent/SG73402A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU4768296A (en) | 1996-10-02 |
IT1284293B1 (it) | 1998-05-18 |
ITRM960155A0 (zh) | 1996-03-11 |
WO1996028775A1 (en) | 1996-09-19 |
KR960035301A (ko) | 1996-10-24 |
FR2731813A1 (fr) | 1996-09-20 |
CN1140278A (zh) | 1997-01-15 |
US5696986A (en) | 1997-12-09 |
ITRM960155A1 (it) | 1997-09-11 |
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