JP2001230671A - カウントダウン／アップ回路及びアナログディジタル変換方法 - Google Patents
カウントダウン／アップ回路及びアナログディジタル変換方法Info
- Publication number
- JP2001230671A JP2001230671A JP2000298178A JP2000298178A JP2001230671A JP 2001230671 A JP2001230671 A JP 2001230671A JP 2000298178 A JP2000298178 A JP 2000298178A JP 2000298178 A JP2000298178 A JP 2000298178A JP 2001230671 A JP2001230671 A JP 2001230671A
- Authority
- JP
- Japan
- Prior art keywords
- neuron
- spike
- neurons
- state
- analog
- Prior art date
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 113
- 210000002569 neuron Anatomy 0.000 claims abstract description 215
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 82
- 238000009825 accumulation Methods 0.000 claims description 2
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- 230000006870 function Effects 0.000 description 19
- 238000004364 calculation method Methods 0.000 description 14
- 238000013139 quantization Methods 0.000 description 10
- 230000009466 transformation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000004913 activation Effects 0.000 description 8
- 238000013507 mapping Methods 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 238000012421 spiking Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
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- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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- 230000001360 synchronised effect Effects 0.000 description 2
- 241000723418 Carya Species 0.000 description 1
- 241000545442 Radix Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
-
- 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
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
- H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
-
- 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
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/408,379 US6262678B1 (en) | 1999-09-29 | 1999-09-29 | Current-mode spike-based analog-to-digital conversion |
| US09/408379 | 1999-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001230671A true JP2001230671A (ja) | 2001-08-24 |
| JP2001230671A5 JP2001230671A5 (enExample) | 2007-11-08 |
Family
ID=23616058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000298178A Ceased JP2001230671A (ja) | 1999-09-29 | 2000-09-29 | カウントダウン／アップ回路及びアナログディジタル変換方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6262678B1 (enExample) |
| EP (1) | EP1089436B1 (enExample) |
| JP (1) | JP2001230671A (enExample) |
| DE (1) | DE60024030T2 (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6377194B1 (en) * | 1998-09-29 | 2002-04-23 | California Institute Of Technology | Analog computation device using separated analog signals, each having a specified amount of resolution, and signal restoration devices |
| US20030028353A1 (en) * | 2001-08-06 | 2003-02-06 | Brian Gventer | Production pattern-recognition artificial neural net (ANN) with event-response expert system (ES)--yieldshieldTM |
| SE0203548D0 (sv) * | 2002-12-02 | 2002-12-02 | Biacore Ab | Method of determining site-specificity and kit therefor |
| US8990133B1 (en) | 2012-12-20 | 2015-03-24 | Brain Corporation | Apparatus and methods for state-dependent learning in spiking neuron networks |
| US9146546B2 (en) | 2012-06-04 | 2015-09-29 | Brain Corporation | Systems and apparatus for implementing task-specific learning using spiking neurons |
| US9015092B2 (en) | 2012-06-04 | 2015-04-21 | Brain Corporation | Dynamically reconfigurable stochastic learning apparatus and methods |
| US9156165B2 (en) | 2011-09-21 | 2015-10-13 | Brain Corporation | Adaptive critic apparatus and methods |
| US9104186B2 (en) | 2012-06-04 | 2015-08-11 | Brain Corporation | Stochastic apparatus and methods for implementing generalized learning rules |
| US9213937B2 (en) | 2011-09-21 | 2015-12-15 | Brain Corporation | Apparatus and methods for gating analog and spiking signals in artificial neural networks |
| US9412041B1 (en) | 2012-06-29 | 2016-08-09 | Brain Corporation | Retinal apparatus and methods |
| US9256215B2 (en) | 2012-07-27 | 2016-02-09 | Brain Corporation | Apparatus and methods for generalized state-dependent learning in spiking neuron networks |
| US9189730B1 (en) | 2012-09-20 | 2015-11-17 | Brain Corporation | Modulated stochasticity spiking neuron network controller apparatus and methods |
| US9367798B2 (en) * | 2012-09-20 | 2016-06-14 | Brain Corporation | Spiking neuron network adaptive control apparatus and methods |
| US9082079B1 (en) | 2012-10-22 | 2015-07-14 | Brain Corporation | Proportional-integral-derivative controller effecting expansion kernels comprising a plurality of spiking neurons associated with a plurality of receptive fields |
| US9195934B1 (en) | 2013-01-31 | 2015-11-24 | Brain Corporation | Spiking neuron classifier apparatus and methods using conditionally independent subsets |
| US9008840B1 (en) | 2013-04-19 | 2015-04-14 | Brain Corporation | Apparatus and methods for reinforcement-guided supervised learning |
| US9436909B2 (en) | 2013-06-19 | 2016-09-06 | Brain Corporation | Increased dynamic range artificial neuron network apparatus and methods |
| US9552546B1 (en) | 2013-07-30 | 2017-01-24 | Brain Corporation | Apparatus and methods for efficacy balancing in a spiking neuron network |
| US9489623B1 (en) | 2013-10-15 | 2016-11-08 | Brain Corporation | Apparatus and methods for backward propagation of errors in a spiking neuron network |
| US9642549B2 (en) | 2013-11-19 | 2017-05-09 | University Of Florida Research Foundation, Inc. | Integrate and fire pulse train automation for QRS detection |
| DE102013112749A1 (de) | 2013-11-19 | 2015-05-21 | Technische Universität Dresden | Anordnung und Verfahren zur Analog-Digital-Wandlung |
| US9881349B1 (en) | 2014-10-24 | 2018-01-30 | Gopro, Inc. | Apparatus and methods for computerized object identification |
| US11100389B2 (en) * | 2017-11-06 | 2021-08-24 | Electronic Warfare Associates, Inc. | Conversion of digital signals into spiking analog signals |
| US11038520B1 (en) * | 2020-04-15 | 2021-06-15 | International Business Machines Corporation | Analog-to-digital conversion with reconfigurable function mapping for neural networks activation function acceleration |
| US11478927B1 (en) * | 2021-04-01 | 2022-10-25 | Giant.Ai, Inc. | Hybrid computing architectures with specialized processors to encode/decode latent representations for controlling dynamic mechanical systems |
| CN116346133A (zh) * | 2021-12-23 | 2023-06-27 | 上海思立微电子科技有限公司 | 逐次逼近模数转换器和电子装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420963A (en) * | 1991-02-26 | 1995-05-30 | Kabushiki Kaisha Toshiba | Apparatus including a neural network used for signal processing, such as signal clustering, signal identification, and A/D conversion |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3582628A (en) | 1967-07-31 | 1971-06-01 | Reliance Electric Co | Analog-digital computer interconnection system |
| US3909597A (en) * | 1974-05-22 | 1975-09-30 | Us Army | Hybrid analog and digital computer |
| US5041831A (en) * | 1988-04-26 | 1991-08-20 | Hewlett-Packard Company | Indirect D/A converter |
| US5107146A (en) | 1991-02-13 | 1992-04-21 | Actel Corporation | Mixed mode analog/digital programmable interconnect architecture |
| JP3153271B2 (ja) | 1991-07-05 | 2001-04-03 | 株式会社日立製作所 | Ａｄ変換器 |
| JPH07106969A (ja) * | 1993-10-06 | 1995-04-21 | Mitsubishi Electric Corp | アナログ／デジタル変換器 |
| US5543795A (en) * | 1995-06-02 | 1996-08-06 | Intermedics, Inc. | Hybrid analog-to-digital convertor for low power applications, such as use in an implantable medical device |
-
1999
- 1999-09-29 US US09/408,379 patent/US6262678B1/en not_active Expired - Fee Related
-
2000
- 2000-09-18 EP EP00308110A patent/EP1089436B1/en not_active Expired - Lifetime
- 2000-09-18 DE DE60024030T patent/DE60024030T2/de not_active Expired - Fee Related
- 2000-09-29 JP JP2000298178A patent/JP2001230671A/ja not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420963A (en) * | 1991-02-26 | 1995-05-30 | Kabushiki Kaisha Toshiba | Apparatus including a neural network used for signal processing, such as signal clustering, signal identification, and A/D conversion |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1089436B1 (en) | 2005-11-16 |
| EP1089436A2 (en) | 2001-04-04 |
| DE60024030D1 (de) | 2005-12-22 |
| EP1089436A3 (en) | 2004-01-02 |
| DE60024030T2 (de) | 2006-07-27 |
| US6262678B1 (en) | 2001-07-17 |
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Legal Events
| Date | Code | Title | Description |
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| A01 | Written decision to grant a patent or to grant a registration (utility model) |
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