DE60217214D1 - USB-Schaltungsanordnung zur Verbindungszustandsdetektion - Google Patents
USB-Schaltungsanordnung zur VerbindungszustandsdetektionInfo
- Publication number
- DE60217214D1 DE60217214D1 DE60217214T DE60217214T DE60217214D1 DE 60217214 D1 DE60217214 D1 DE 60217214D1 DE 60217214 T DE60217214 T DE 60217214T DE 60217214 T DE60217214 T DE 60217214T DE 60217214 D1 DE60217214 D1 DE 60217214D1
- Authority
- DE
- Germany
- Prior art keywords
- usb
- circuit
- connection status
- usb host
- signalling
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
- G06F13/4295—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using an embedded synchronisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4072—Drivers or receivers
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Information Transfer Systems (AREA)
- Manufacturing Of Electric Cables (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Selective Calling Equipment (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0108754A GB2374259B (en) | 2001-04-06 | 2001-04-06 | Universal serial bus circuit |
GB0108754 | 2001-04-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60217214D1 true DE60217214D1 (de) | 2007-02-15 |
DE60217214T2 DE60217214T2 (de) | 2007-10-04 |
Family
ID=9912440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60217214T Expired - Lifetime DE60217214T2 (de) | 2001-04-06 | 2002-04-05 | USB-Schaltungsanordnung zur Verbindungszustandsdetektion |
Country Status (7)
Country | Link |
---|---|
US (3) | US6957292B2 (de) |
EP (1) | EP1248203B1 (de) |
JP (1) | JP4267857B2 (de) |
AT (1) | ATE350710T1 (de) |
DE (1) | DE60217214T2 (de) |
ES (1) | ES2278874T3 (de) |
GB (1) | GB2374259B (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2374259B (en) * | 2001-04-06 | 2004-04-21 | Nokia Corp | Universal serial bus circuit |
JP4345471B2 (ja) * | 2003-12-18 | 2009-10-14 | セイコーエプソン株式会社 | 物理層回路、データ転送制御装置、及び電子機器 |
ATE432501T1 (de) * | 2004-03-19 | 2009-06-15 | Nxp Bv | Automatische konfiguration eines kommunikationsports als sender oder empfänger abhängig von der erfassten transferrichtung einer verbundenen einrichtung |
US9946571B1 (en) | 2005-05-30 | 2018-04-17 | Invent.Ly, Llc | Predictive power management in a wireless sensor network using activity costs |
US7539882B2 (en) | 2005-05-30 | 2009-05-26 | Rambus Inc. | Self-powered devices and methods |
US9721210B1 (en) * | 2013-11-26 | 2017-08-01 | Invent.ly LLC | Predictive power management in a wireless sensor network |
US9846479B1 (en) | 2005-05-30 | 2017-12-19 | Invent.Ly, Llc | Smart security device with monitoring mode and communication mode |
US9791910B1 (en) | 2005-05-30 | 2017-10-17 | Invent.Ly, Llc | Predictive power management in a wireless sensor network using presence detection |
EP1758029B1 (de) * | 2005-08-19 | 2009-09-30 | Stmicroelectronics SA | Gesichertes USB-Peripheriegerät |
US7698490B2 (en) * | 2005-12-21 | 2010-04-13 | Nvidia Corporation | Passive USB power configuration switching |
DE602006002022D1 (de) | 2006-01-30 | 2008-09-11 | Research In Motion Ltd | Verfahren und Vorrichtung zur Datensendung zwischen USB-Kunden |
US8882561B2 (en) * | 2006-04-07 | 2014-11-11 | Mattel, Inc. | Multifunction removable memory device with ornamental housing |
KR100851659B1 (ko) * | 2006-09-19 | 2008-08-13 | 주식회사 애트랩 | 광 포인팅 장치 및 광 포인팅용 전원 전압 공급 반도체장치 |
US7644217B2 (en) * | 2007-03-02 | 2010-01-05 | Microchip Technology Incorporated | Detecting connection to a USB host or hub without using an extra status input |
JP4960813B2 (ja) * | 2007-09-14 | 2012-06-27 | 株式会社リコー | 電力制御システム |
US8375234B2 (en) * | 2008-02-19 | 2013-02-12 | Winbond Electronics Corporation | Wakeup of a non-powered universal serial bus |
TWI420888B (zh) * | 2009-04-03 | 2013-12-21 | Chi Mei Comm Systems Inc | 手機usb埠偵測系統及方法 |
US8112571B1 (en) | 2009-07-23 | 2012-02-07 | Cypress Semiconductor Corporation | Signal connection device and method |
JP5134037B2 (ja) * | 2010-04-27 | 2013-01-30 | レノボ・シンガポール・プライベート・リミテッド | 待機電力の低減が可能な情報機器および電力の制御方法 |
KR20120011974A (ko) * | 2010-07-29 | 2012-02-09 | 삼성전자주식회사 | 복수 개의 인터페이스를 지원하는 스마트 카드 및 그것의 인터페이스 방법 |
US10152104B2 (en) * | 2012-06-15 | 2018-12-11 | Texas Instruments Incorporated | Policy engine startup procedure for a default provider in USB power delivery |
US9395799B2 (en) | 2012-08-09 | 2016-07-19 | Nvidia Corporation | Power management techniques for USB interfaces |
US8954631B2 (en) | 2013-04-08 | 2015-02-10 | International Business Machines Corporation | Continuously transferring data using a USB mass storage device |
US9760522B2 (en) * | 2014-04-08 | 2017-09-12 | Texas Instruments Incorporated | Message recipient discrimination using start-of-packet delimiters |
GB2563295A (en) * | 2017-05-31 | 2018-12-12 | Cirrus Logic Int Semiconductor Ltd | Methods and apparatus for management of data connections to a peripheral device |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5675813A (en) * | 1995-10-26 | 1997-10-07 | Microsoft Corporation | System and method for power control in a universal serial bus |
US6000042A (en) * | 1997-08-25 | 1999-12-07 | 3Com Corporation | Fault detection on a dual supply system for a universal serial bus system |
US5987617A (en) * | 1997-09-30 | 1999-11-16 | Intel Corporation | Low ICC enumeration scheme for bus powered USB device |
US6370603B1 (en) * | 1997-12-31 | 2002-04-09 | Kawasaki Microelectronics, Inc. | Configurable universal serial bus (USB) controller implemented on a single integrated circuit (IC) chip with media access control (MAC) |
JPH11237936A (ja) * | 1998-02-19 | 1999-08-31 | Canon Inc | インターフェース制御装置と方法及び印刷装置 |
TW455805B (en) * | 1998-02-26 | 2001-09-21 | Winbond Electronics Corp | Converter allowing data communications equipment to transmit data to data terminal equipment through universal serial bus and the control method thereof |
US6473811B1 (en) * | 1998-03-13 | 2002-10-29 | Canon Kabushiki Kaisha | Method and apparatus for displaying a connection status of a device based on connection information |
US6119194A (en) * | 1998-03-19 | 2000-09-12 | Advanced Micro Devices, Inc. | Method and apparatus for monitoring universal serial bus activity |
US6581122B1 (en) * | 1998-03-26 | 2003-06-17 | Gemplus | Smart card which operates with the USB protocol |
JPH11305880A (ja) * | 1998-04-23 | 1999-11-05 | Sony Corp | Usb機器およびusbハブ装置 |
TW444165B (en) * | 1998-05-12 | 2001-07-01 | Primax Electronics Ltd | Hot plug and play universal serial bus switch device and control method |
US6178514B1 (en) * | 1998-07-31 | 2001-01-23 | Bradley C. Wood | Method and apparatus for connecting a device to a bus carrying power and a signal |
US6105097A (en) * | 1998-10-14 | 2000-08-15 | Cypress Semiconductor Corp. | Device and method for interconnecting universal serial buses including power management |
WO2000034878A1 (en) * | 1998-12-04 | 2000-06-15 | Advanced Micro Devices, Inc. | Programmable pull-up for a universal serial bus interface |
JP3539879B2 (ja) | 1998-12-15 | 2004-07-07 | アルプス電気株式会社 | コンピュータの電源立ち上げ装置 |
US6389495B1 (en) * | 1999-01-16 | 2002-05-14 | Cypress Semiconductor Corp. | Dedicated circuit and method for enumerating and operating a peripheral device on a universal serial bus |
JP3202723B2 (ja) * | 1999-03-25 | 2001-08-27 | 新潟日本電気株式会社 | Usbユニット |
US6895588B1 (en) | 1999-04-09 | 2005-05-17 | Sun Microsystems, Inc. | Remote device access over a network |
JP4048341B2 (ja) | 1999-04-21 | 2008-02-20 | 富士フイルム株式会社 | 記憶機器 |
JP2000316006A (ja) * | 1999-04-28 | 2000-11-14 | Nec Corp | バスマネージャ機能自動切換対応ノード、移動端末、及び、移動端末システム |
US6175530B1 (en) * | 1999-05-14 | 2001-01-16 | Xilinx, Inc. | Method for detecting low power on an FPGA interface device |
US6954814B1 (en) * | 1999-06-10 | 2005-10-11 | Amron Technologies Inc. | Method and system for monitoring and transmitting utility status via universal communications interface |
US6725318B1 (en) * | 2000-02-29 | 2004-04-20 | Microsoft Corporation | Automated selection between a USB and PS/2 interface for connecting a keyboard to a computer |
US6732301B1 (en) * | 2000-03-06 | 2004-05-04 | Hewlett-Packard Development Company, L.P. | Serial bus diagnostic port of a digital system |
US6839771B1 (en) * | 2000-04-13 | 2005-01-04 | Hewlett-Packard Development Company, L.P. | Method and system for using a universal serial bus (USB) as a peer-to-peer network |
JP2002149284A (ja) * | 2000-11-14 | 2002-05-24 | Konica Corp | ストレージ機器 |
US6775526B2 (en) * | 2000-12-01 | 2004-08-10 | Microchip Technology Incorporated | Modulated input signal filter |
JP2002178611A (ja) | 2000-12-14 | 2002-06-26 | Funai Electric Co Ltd | 印字装置の制御装置 |
GB2374259B (en) * | 2001-04-06 | 2004-04-21 | Nokia Corp | Universal serial bus circuit |
TW512232B (en) * | 2001-05-08 | 2002-12-01 | Prolific Technology Inc | USB connection-detection circuitry and operation methods of the same |
TW518502B (en) * | 2001-07-13 | 2003-01-21 | Prolific Technology Inc | USB compound device and the realization method thereof |
KR100395664B1 (ko) * | 2001-08-20 | 2003-08-25 | 엠텍비젼 주식회사 | 범용 직렬 버스 장치 및 그의 초기화 방법 |
KR100711914B1 (ko) * | 2001-09-15 | 2007-04-27 | 엘지전자 주식회사 | 유에스비 전원 제어장치 |
TWI271974B (en) * | 2002-10-25 | 2007-01-21 | Huei-Guang Chen | Signal switch processing method |
US7237719B2 (en) * | 2003-09-03 | 2007-07-03 | Stmicroelectronics, Inc. | Method and apparatus for a USB and contactless smart card device |
TWM250145U (en) * | 2003-12-11 | 2004-11-11 | Radiantech Inc | USB optical time domain reflection (OTDR) measuring apparatus |
US20050240702A1 (en) * | 2004-04-22 | 2005-10-27 | Kunkel Larry W | Detecting expansion card connector mating status |
JP4293141B2 (ja) * | 2005-02-18 | 2009-07-08 | セイコーエプソン株式会社 | データ転送制御装置及び電子機器 |
-
2001
- 2001-04-06 GB GB0108754A patent/GB2374259B/en not_active Revoked
-
2002
- 2002-03-14 US US10/096,925 patent/US6957292B2/en not_active Expired - Lifetime
- 2002-03-19 JP JP2002076882A patent/JP4267857B2/ja not_active Expired - Fee Related
- 2002-04-05 EP EP02252454A patent/EP1248203B1/de not_active Expired - Lifetime
- 2002-04-05 ES ES02252454T patent/ES2278874T3/es not_active Expired - Lifetime
- 2002-04-05 AT AT02252454T patent/ATE350710T1/de not_active IP Right Cessation
- 2002-04-05 DE DE60217214T patent/DE60217214T2/de not_active Expired - Lifetime
-
2005
- 2005-07-08 US US11/176,390 patent/US7177969B2/en not_active Expired - Fee Related
-
2007
- 2007-02-07 US US11/672,485 patent/US7533209B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2278874T3 (es) | 2007-08-16 |
US20020147876A1 (en) | 2002-10-10 |
US7533209B2 (en) | 2009-05-12 |
JP2002341982A (ja) | 2002-11-29 |
EP1248203A3 (de) | 2004-06-30 |
EP1248203B1 (de) | 2007-01-03 |
US6957292B2 (en) | 2005-10-18 |
DE60217214T2 (de) | 2007-10-04 |
GB0108754D0 (en) | 2001-05-30 |
US7177969B2 (en) | 2007-02-13 |
ATE350710T1 (de) | 2007-01-15 |
GB2374259A (en) | 2002-10-09 |
US20050246472A1 (en) | 2005-11-03 |
EP1248203A2 (de) | 2002-10-09 |
JP4267857B2 (ja) | 2009-05-27 |
US20070276971A1 (en) | 2007-11-29 |
GB2374259B (en) | 2004-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |