CN101483436B - 以分段线性方式执行非线性数值转换的装置及方法 - Google Patents
以分段线性方式执行非线性数值转换的装置及方法 Download PDFInfo
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- CN101483436B CN101483436B CN2008101908441A CN200810190844A CN101483436B CN 101483436 B CN101483436 B CN 101483436B CN 2008101908441 A CN2008101908441 A CN 2008101908441A CN 200810190844 A CN200810190844 A CN 200810190844A CN 101483436 B CN101483436 B CN 101483436B
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Classifications
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- 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
- H03M7/50—Conversion to or from non-linear codes, e.g. companding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/1235—Non-linear conversion not otherwise provided for in subgroups of H03M1/12
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/968,912 US7508329B1 (en) | 2008-01-03 | 2008-01-03 | Laser controller integrated circuit including variable resolution data processing device |
US11/968,912 | 2008-01-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101483436A CN101483436A (zh) | 2009-07-15 |
CN101483436B true CN101483436B (zh) | 2013-05-01 |
Family
ID=40457172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101908441A Active CN101483436B (zh) | 2008-01-03 | 2008-12-31 | 以分段线性方式执行非线性数值转换的装置及方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7508329B1 (zh) |
JP (1) | JP2009165129A (zh) |
CN (1) | CN101483436B (zh) |
SG (1) | SG153795A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009147084A (ja) * | 2007-12-13 | 2009-07-02 | Nec Corp | 光出力制御回路および光出力モニタ方法 |
WO2014027574A1 (ja) * | 2012-08-16 | 2014-02-20 | 日本電気株式会社 | 受光パワーモニタの校正装置及び校正方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1211328A (zh) * | 1996-12-18 | 1999-03-17 | 诺基亚电信公司 | 生成按照期望函数变化的信号振幅的方法,以及转换器 |
CN101068111A (zh) * | 2007-04-24 | 2007-11-07 | 北京中星微电子有限公司 | 一种模拟/数字转换电路及方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057770B2 (ja) * | 1978-03-08 | 1985-12-17 | 株式会社千野製作所 | デジタル・リニアライザ− |
US4282578A (en) | 1980-03-17 | 1981-08-04 | Burr-Brown Research Corporation | System for linearizing non-linear transducer signals |
US4482974A (en) | 1982-08-13 | 1984-11-13 | Hewlett-Packard Company | Apparatus and method of phase-to-amplitude conversion in a sine function generator |
JP2677595B2 (ja) * | 1988-04-14 | 1997-11-17 | 株式会社東芝 | プラント監視システム |
DE3832145A1 (de) * | 1988-09-22 | 1990-03-29 | Philips Patentverwaltung | Verfahren und schaltungsanordnung zur messung kleiner elektrischer signale |
JPH04166722A (ja) * | 1990-10-31 | 1992-06-12 | Toshiba Corp | 流量計測装置 |
JP2981769B2 (ja) | 1990-11-28 | 1999-11-22 | セイコーインスツルメンツ株式会社 | 波形表示装置 |
DE4238084A1 (en) * | 1991-11-15 | 1993-05-19 | Hewlett Packard Co | Analogue measurement value converter for real=time transformation into engineering unit - uses high value binary number bits to address stored coefficients, and lower value bits to perform correction using coefficients |
US5365465A (en) | 1991-12-26 | 1994-11-15 | Texas Instruments Incorporated | Floating point to logarithm converter |
JPH05307524A (ja) | 1992-05-01 | 1993-11-19 | Sharp Corp | 関数電卓 |
US5539682A (en) | 1992-08-07 | 1996-07-23 | Lsi Logic Corporation | Seed generation technique for iterative, convergent digital computations |
US5448509A (en) | 1993-12-08 | 1995-09-05 | Hewlett-Packard Company | Efficient hardware handling of positive and negative overflow resulting from arithmetic operations |
JP2591463B2 (ja) | 1993-12-27 | 1997-03-19 | 日本電気株式会社 | リミッタ装置 |
US6043804A (en) | 1997-03-21 | 2000-03-28 | Alliance Semiconductor Corp. | Color pixel format conversion incorporating color look-up table and post look-up arithmetic operation |
US5844512A (en) | 1997-07-28 | 1998-12-01 | Hewlett-Packard Company | Autoranging apparatus and method for improved dynamic ranging in analog to digital converters |
US6397276B1 (en) | 1999-03-29 | 2002-05-28 | Eugene Rzyski | Data transmission by an alternating-frequency analog signal |
US6587863B1 (en) | 2000-06-27 | 2003-07-01 | Analog Devices, Inc. | Multiphase, interleaved direct digital synthesis methods and structures |
US6587070B2 (en) | 2001-04-03 | 2003-07-01 | Raytheon Company | Digital base-10 logarithm converter |
JP2004164635A (ja) * | 2002-10-25 | 2004-06-10 | N System:Kk | 生産管理用モニタ装置 |
US7370069B2 (en) | 2003-12-15 | 2008-05-06 | Micrel, Inc. | Numerical value conversion using a look-up table for coefficient storage |
US7395287B2 (en) | 2003-12-15 | 2008-07-01 | Micrel, Inc. | Numerical value conversion using a saturation limited arithmetic logic unit supporting variable resolution operands |
-
2008
- 2008-01-03 US US11/968,912 patent/US7508329B1/en active Active
- 2008-12-30 SG SG200809652-1A patent/SG153795A1/en unknown
- 2008-12-31 CN CN2008101908441A patent/CN101483436B/zh active Active
-
2009
- 2009-01-05 JP JP2009000432A patent/JP2009165129A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1211328A (zh) * | 1996-12-18 | 1999-03-17 | 诺基亚电信公司 | 生成按照期望函数变化的信号振幅的方法,以及转换器 |
CN101068111A (zh) * | 2007-04-24 | 2007-11-07 | 北京中星微电子有限公司 | 一种模拟/数字转换电路及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101483436A (zh) | 2009-07-15 |
US7508329B1 (en) | 2009-03-24 |
JP2009165129A (ja) | 2009-07-23 |
SG153795A1 (en) | 2009-07-29 |
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Effective date of registration: 20240415 Address after: California, USA Patentee after: McGuire LLC Country or region after: U.S.A. Address before: California, USA Patentee before: MICREL, Inc. Country or region before: U.S.A. |
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Effective date of registration: 20240426 Address after: Arizona, USA Patentee after: MICROCHIP TECHNOLOGY Inc. Country or region after: U.S.A. Address before: California, USA Patentee before: McGuire LLC Country or region before: U.S.A. |