DE60217214D1 - USB-Schaltungsanordnung zur Verbindungszustandsdetektion - Google Patents

USB-Schaltungsanordnung zur Verbindungszustandsdetektion

Info

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
Application number
DE60217214T
Other languages
English (en)
Other versions
DE60217214T2 (de
Inventor
Richard Croyle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60217214D1 publication Critical patent/DE60217214D1/de
Publication of DE60217214T2 publication Critical patent/DE60217214T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4295Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using an embedded synchronisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4063Device-to-bus coupling
    • G06F13/4068Electrical coupling
    • G06F13/4072Drivers 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)
DE60217214T 2001-04-06 2002-04-05 USB-Schaltungsanordnung zur Verbindungszustandsdetektion Expired - Lifetime DE60217214T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
DE60217214D1 (de) USB-Schaltungsanordnung zur Verbindungszustandsdetektion
US6516205B1 (en) Portable terminal with bus manager switching function
US10229080B2 (en) Dual bus standard switching bus controller
WO1998011693A3 (en) Low power serial protocol translator for use in multi-circuit board electronic systems
US20120290761A1 (en) USB Converter and Related Method
TW200710819A (en) Data transfer control device and electronic instrument
JP3610424B2 (ja) 電子機器及びインタフェース回路
ATE459052T1 (de) Einrichtungsidentifikationscodierung integrierter slave-schaltungseinrichtungen
WO2001076244A1 (fr) Emetteur, procede de transmission de signal, systeme et procede pour distribuer des donnees, recepteur de donnees, dispositif et procede pour fournir des donnees, et emetteur de donnees
US8781332B2 (en) Optical transceiver module, optical transmission device, and optical transmission method
KR20070008861A (ko) Usb허브를 갖는 디스플레이장치
JPH10301898A (ja) 電子機器及びインタフェース回路
ATE438984T1 (de) System, verfahren und gerät zur autounterhandlung
EP1876512B1 (de) Netzwerksteuervorrichtung und Verfahren zum aktivieren eines Netzwerk-Bauelements
TWI390911B (zh) 具有電源管理功能之網路介面裝置及其省電方法
DE602004018507D1 (de) Niederleistungs-differenz-streckenschnittstellenverfahren und -vorrichtungen
WO2004021100A3 (en) Current mode signalling in electronic data processing circuit
SE0001999D0 (sv) Interface unit for an electrophysiology measurement system
CN104386022A (zh) 一种车牌防丢的检测报警系统
CN107612609A (zh) 一种网络连接用中继器
US7970971B2 (en) Tapping systems and methods
JP2006108952A5 (de)
KR200306492Y1 (ko) 디지털 입력선 단선 체크회로
JP2002229693A (ja) ユニット装着検知装置
JPH04355541A (ja) 変復調装置

Legal Events

Date Code Title Description
8364 No opposition during term of opposition