JP2015039148A5 - - Google Patents
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- Publication number
- JP2015039148A5 JP2015039148A5 JP2013169924A JP2013169924A JP2015039148A5 JP 2015039148 A5 JP2015039148 A5 JP 2015039148A5 JP 2013169924 A JP2013169924 A JP 2013169924A JP 2013169924 A JP2013169924 A JP 2013169924A JP 2015039148 A5 JP2015039148 A5 JP 2015039148A5
- Authority
- JP
- Japan
- Prior art keywords
- spread spectrum
- clock
- spectrum clock
- generation circuit
- output
- 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.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 claims description 37
- 238000012544 monitoring process Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims 11
- 230000010355 oscillation Effects 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013169924A JP6152014B2 (ja) | 2013-08-19 | 2013-08-19 | スペクトラム拡散クロック生成回路、クロック乗せ換え回路、集積回路及び画像読み取り装置 |
| EP14178333.2A EP2840778B1 (en) | 2013-08-19 | 2014-07-24 | Spread spectrum clock generation circuit, clock transfer circuit, integrated circuit, and image reading apparatus |
| US14/446,415 US9639114B2 (en) | 2013-08-19 | 2014-07-30 | Spread spectrum clock generation circuit, clock transfer circuit, integrated circuit, and image reading apparatus |
| CN201410398213.4A CN104426504B (zh) | 2013-08-19 | 2014-08-14 | 扩频时钟产生电路、时钟转换电路、集成电路和图像读取装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013169924A JP6152014B2 (ja) | 2013-08-19 | 2013-08-19 | スペクトラム拡散クロック生成回路、クロック乗せ換え回路、集積回路及び画像読み取り装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015039148A JP2015039148A (ja) | 2015-02-26 |
| JP2015039148A5 true JP2015039148A5 (enExample) | 2016-08-04 |
| JP6152014B2 JP6152014B2 (ja) | 2017-06-21 |
Family
ID=51301121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013169924A Expired - Fee Related JP6152014B2 (ja) | 2013-08-19 | 2013-08-19 | スペクトラム拡散クロック生成回路、クロック乗せ換え回路、集積回路及び画像読み取り装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9639114B2 (enExample) |
| EP (1) | EP2840778B1 (enExample) |
| JP (1) | JP6152014B2 (enExample) |
| CN (1) | CN104426504B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634485A (zh) * | 2015-12-22 | 2016-06-01 | 华为技术有限公司 | 扩频时钟产生装置和生成扩频时钟信号的方法 |
| US10129166B2 (en) * | 2016-06-21 | 2018-11-13 | Intel Corporation | Low latency re-timer |
| US10571953B2 (en) * | 2017-07-05 | 2020-02-25 | Intel Corporation | Method and apparatus to utilize a digital-time-conversion (DTC) based clocking in computing systems |
| US12287717B2 (en) * | 2018-06-06 | 2025-04-29 | Canaan Creative Co., Ltd. | Chip frequency modulation method and apparatus of computing device, hash board, computing device and storage medium |
| US11714127B2 (en) | 2018-06-12 | 2023-08-01 | International Business Machines Corporation | On-chip spread spectrum characterization |
| US11146307B1 (en) * | 2020-04-13 | 2021-10-12 | International Business Machines Corporation | Detecting distortion in spread spectrum signals |
| US11693446B2 (en) | 2021-10-20 | 2023-07-04 | International Business Machines Corporation | On-chip spread spectrum synchronization between spread spectrum sources |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5488627A (en) * | 1993-11-29 | 1996-01-30 | Lexmark International, Inc. | Spread spectrum clock generator and associated method |
| JP3013033B2 (ja) * | 1997-02-13 | 2000-02-28 | 日本電気エンジニアリング株式会社 | 蓄積データ量監視回路 |
| US6294936B1 (en) * | 1998-09-28 | 2001-09-25 | American Microsystems, Inc. | Spread-spectrum modulation methods and circuit for clock generator phase-locked loop |
| JP3722403B2 (ja) * | 1999-09-22 | 2005-11-30 | 株式会社リコー | 画像読取装置 |
| JP4045454B2 (ja) * | 2005-02-04 | 2008-02-13 | セイコーエプソン株式会社 | アナログフロントエンド回路及び電子機器 |
| JP4104624B2 (ja) | 2005-11-25 | 2008-06-18 | シャープ株式会社 | 画像処理装置、画像読取装置及び画像形成装置 |
| JP2007225863A (ja) * | 2006-02-23 | 2007-09-06 | Matsushita Electric Ind Co Ltd | Emi低減制御装置 |
| TW200849806A (en) * | 2007-06-01 | 2008-12-16 | Tai 1 Microelectronics Corp | Frequency-hopping carrier generator |
| US8094698B2 (en) * | 2008-01-29 | 2012-01-10 | Realtek Semiconductor Corp. | Method for generating a spread spectrum clock and apparatus thereof |
| CN101630951B (zh) | 2008-07-14 | 2011-08-17 | 瑞鼎科技股份有限公司 | 扩频时钟信号发生器 |
| JP2010220148A (ja) * | 2009-03-19 | 2010-09-30 | Kawasaki Microelectronics Inc | コード生成回路およびイメージセンサ |
| KR101654218B1 (ko) * | 2010-01-13 | 2016-09-06 | 삼성전자주식회사 | 스프레드 스펙트럼 클럭 발생기 |
-
2013
- 2013-08-19 JP JP2013169924A patent/JP6152014B2/ja not_active Expired - Fee Related
-
2014
- 2014-07-24 EP EP14178333.2A patent/EP2840778B1/en not_active Not-in-force
- 2014-07-30 US US14/446,415 patent/US9639114B2/en not_active Expired - Fee Related
- 2014-08-14 CN CN201410398213.4A patent/CN104426504B/zh not_active Expired - Fee Related
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