WO2007100270A1 - Transmission de données entre un ordinateur - Google Patents

Transmission de données entre un ordinateur Download PDF

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Publication number
WO2007100270A1
WO2007100270A1 PCT/RU2006/000093 RU2006000093W WO2007100270A1 WO 2007100270 A1 WO2007100270 A1 WO 2007100270A1 RU 2006000093 W RU2006000093 W RU 2006000093W WO 2007100270 A1 WO2007100270 A1 WO 2007100270A1
Authority
WO
WIPO (PCT)
Prior art keywords
microcircuits
outputs
cable
equalizer
inputs
Prior art date
Application number
PCT/RU2006/000093
Other languages
English (en)
Russian (ru)
Inventor
Yuri Fedorovitch Adamov
Evgenyi Alexandrovitch Shevchenko
Oleg Anatolievitch Somov
Yuriy Ivanovitch Tishin
Original Assignee
Limited Liability Company 'unique Ic's'
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 Limited Liability Company 'unique Ic's' filed Critical Limited Liability Company 'unique Ic's'
Priority to PCT/RU2006/000093 priority Critical patent/WO2007100270A1/fr
Publication of WO2007100270A1 publication Critical patent/WO2007100270A1/fr

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
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4072—Drivers or receivers

Definitions

  • the invention relates to the field of local area computer networks, in particular, home networks on universal serial buses.
  • Serial data transfer buses are known for peripheral devices such as a mouse, keyboard, printer, modem, and hard disk [1].
  • the technical result of the present invention is to increase the distance and increase the reliability of communication between a personal computer and peripheral devices, due to the compensation of signal distortions in the cable by equalizer circuits.
  • Another technical result is to simplify the design and reduce the cost of data transmission devices made in the form of universal serial buses, by reducing the cost of the cable.
  • a data transmission device between a computer and peripheral devices, made in the form of a universal serial bus, including a cable with signal lines, power buses and connectors at the ends for connecting peripheral devices to a personal computer, a controller chip that generates commands that determine the operation of a peripheral device, a controller chip that controls the flow directions transmitted data located in the peripheral device, relay circuits located in the personal computer and a serial device that matches the impedances of the cable and controllers and converts the signal levels from the outputs of the controller microcircuits, which additionally contain at least one equalizer circuit to compensate for signal distortions in the cable.
  • each of the said transponder microcircuits contains first and second receivers, additionally containing a receiver equalizer, connected by differential inputs to the first, second, third, and fourth external electrodes of the microcircuits, and outputs, respectively, to the inputs of the first and second transmitters, additionally containing the transmitter equalizer, which differential outputs connected to the third and fourth external electrodes of the microcircuits, while the microcircuits contain a timer device, connected Goes to the logic unit generates enable signals for the transmitters transmit data to the external electrodes of the chip, whose inputs are connected to the outputs of the receivers and the outputs to the control inputs of the first and second transmitters.
  • the third embodiment of a specific embodiment of the device according to the present invention is characterized in that said relay microcircuits located in the cable connector comprise first and second receivers, further comprising receiver equalizers connected by differential inputs to the first, second, third and fourth external electrodes of the microcircuits, respectively, and outputs - with inputs of the first and second transmitters, respectively, which do not contain an equalizer, which are connected to the third by differential outputs and The Fourth - h - external electrodes of microcircuits.
  • a fourth embodiment of a particular embodiment of the device according to the present invention is characterized in that said relay microcircuits located in the cable connector comprise first and second receivers that do not have an equalizer, connected by differential inputs to the first, second, third and fourth external electrodes of the microcircuits, and outputs - with inputs of the first and second transmitters, respectively, additionally containing a transmitter equalizer, which are connected to the third by differential outputs th and the fourth external electrode chip
  • the fifth embodiment of a specific embodiment of the device according to the present invention is characterized in that one of the additional equalizer circuits is located in the personal computer, and the second in the repeater chip in the cable connector.
  • a sixth embodiment of a particular embodiment of the device according to the present invention is characterized in that one of the additional equalizer circuits is located in the peripheral device, and the other in the repeater chip in the cable connector.
  • the seventh embodiment of a specific embodiment of the device according to the present invention is characterized in that the additional equalizer circuits are made on CMOS type elements.
  • Figure l is a schematic diagram of a device for transmitting data between a personal computer and a peripheral device according to the present invention.
  • Figure 2 shows the block diagram of the relay circuits, optionally containing a transmitter and receiver equalizers.
  • Fig. 3 shows the shape of the input (a) differential signal in the cable, adjusted using an additional transmitter equalizer circuit (b), and the shape of the differential output signal in the cable (c).
  • Figure 4 shows the shape of the output differential signal in the cable (a), adjusted using an additional receiver equalizer circuit (b).
  • the microcircuits have the first 11 and second 12, the third 13 and fourth 14 external electrodes, the first 11 and second 12 connected to the outputs of the microchips of the controllers 7 and 8, and the third 13 and fourth 14 with the signal lines 3 and 4 of the cable.
  • the microcircuits 9 and 10 convert the signal levels from the outputs of the microcircuits of the controllers 7 and 8 located in the personal computer 1 and the peripheral device 2, to ensure their transmission over the cable without reflection, and additionally contain at least one equalizer circuit to compensate for signal distortions in cable (not shown in FIG. 1).
  • Each chip 9 and 10 contains the first and second receivers 15 and 16, connected by differential inputs respectively to the first 11, second 12, third 13 and fourth 14 external electrodes of the chips 9 and 10, and the outputs to the inputs of the first and second transmitter 17 and 18, respectively which are connected by differential outputs to the third 13 and fourth 14, first 11 and second 12 external electrodes of the microcircuits 9 and 10.
  • the first transmitter 17 contains a transmitter equalizer 21 circuit, the differential outputs of which are connected to the third 13 and fourth 14 external electrodes of microcircuits 9 and 10
  • the second receiver contains a receiver equalizer 22 circuit, the inputs of which are connected to the third 13 and fourth 14 external electrodes of microcircuits 9 and 10.
  • Microcircuits 9 and 10 contain a timer device 19 connected to logic block 20, the inputs of which are connected to the outputs of the receivers, and the outputs to the control inputs of the first and second transmitters 17 and 18, generating for the transmitters permission signals for transmitting data to external electrodes 11, 12, 13, 14 of microchips 9 and 10.
  • additional circuits 21 and 22 may be located as part of the relay circuits 9 and 10 in the connectors 5 and 6 at the ends of the cables.
  • one of the additional circuits 21 can be located in the composition of the relay circuits 9 and 10 in the connectors 5 and 6 at the ends of the cables.
  • one of the additional circuits 22 may be located in the composition of the relay circuits 9 and 10 in the connectors 5 and 6 at the ends of the cables.
  • one of the additional microcircuits 21 can be located in the personal computer 1, and the second 22 in the cable connector 6.
  • one of the additional chips 22 may be located in the peripheral device 2, and the other 21 in the connector 5 of the cable.
  • additional microcircuits can be performed on CMOS type elements.
  • the device according to the present invention operates as follows.
  • the outputs of the controller 7 are in the states of logical "0" and logical "1", respectively.
  • the direction of data transfer from the controller 7 of the personal computer 1 to the controller 8 of the peripheral device 2 is set.
  • the direction of the data transfer is set by the logical unit 20, which processes the transmitter with a transmit permission signal for the transmitter 17 data to the external electrodes 13 and 14. After that, a digital data packet is transmitted from the outputs 13 and 14 of the relay chip 9 to the signal lines 3 and 4 of the cable.
  • the logic device 20 When the state of signal lines 3 and 4 changes, the logic device 20 generates a control circuit 10 that activates the transmitter 15.
  • the repeater chip 9 transmits data through the transmitter 16 using pulsed signals of lower amplitude ( ⁇ 0.5B) compared to the amplitude of the output signal ( ⁇ Z. ZB) of the controller 7.
  • the transmitter equalizer equalizer circuit 16 corrects the shape of the electrical pulses in order to increase the reliability of the transmitted information. Since the output impedance of the transponder chip 9 is selected to be (45 ⁇ 55) Ohm, that is, equal to the input impedance of the cable, the device provides reliable data transmission without reflection of signals in lines 3 and 4. This, as well as the equalizer circuit, allows you to increase the length of the lines communications 3 and 4 in the data transmission device according to the present invention, up to 25 meters or more.
  • a digital data packet from communication lines 3 and 4 is fed to the inputs 13 and 14 of the relay chip 10 and transmitted to the bi-directional inputs of the controller 8 through the transmitter 15. Due to the cable effect, the amplitude of the signals received at the inputs 13 and 14 of the relay chip 10 is attenuated, and their shape is distorted, which can lead to unreliable operation of the communication line.
  • the receiver equalizer circuitry contained in the receiver 16 of the relay chip 10 restores the amplitude and shape of the pulse signals.
  • the use of equalizer circuits can reduce the weight and size parameters and the cost of the cable in the device for transmitting data, according to the present invention.
  • the transmission of data packets from the peripheral device 2 to the personal computer 1 is carried out as described above.
  • a device for transmitting data can be widely used in computer networks, in particular home, for connecting a personal computer with various peripheral devices, for example, a video camera, printer, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

L'invention concerne des réseaux informatiques locaux et notamment des réseaux à domicile utilisant des bus USB. Elle permet d'améliorer la portée et la fiabilité des communications entre un ordinateur personnel et ses périphériques par la compensation des distorsions de signaux dans le câble au moyen de circuits d'égaliseurs. Selon cette invention, un dispositif périphérique se présente comme un bus USB contenant un câble avec des lignes de signalisation, des bus d'alimentation et des raccords à ses extrémités, destinés à la connexion des dispositifs périphériques à l'ordinateur personnel, ainsi qu'un circuit de commande qui commande la direction des flux à transmettre, disposé dans le dispositif périphérique, des circuits de retransmission, montés dans l'ordinateur personnel et le dispositif périphérique, des impédances d'adaptation du câble et des contrôleurs et transformant les niveaux de signaux avec les sorties des circuits des contrôleurs, dans lesquels on a également inclus au moins un circuit d'égaliseur servant à égaliser les signaux de distorsion dans le câble.
PCT/RU2006/000093 2006-03-01 2006-03-01 Transmission de données entre un ordinateur WO2007100270A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000093 WO2007100270A1 (fr) 2006-03-01 2006-03-01 Transmission de données entre un ordinateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000093 WO2007100270A1 (fr) 2006-03-01 2006-03-01 Transmission de données entre un ordinateur

Publications (1)

Publication Number Publication Date
WO2007100270A1 true WO2007100270A1 (fr) 2007-09-07

Family

ID=38459306

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2006/000093 WO2007100270A1 (fr) 2006-03-01 2006-03-01 Transmission de données entre un ordinateur

Country Status (1)

Country Link
WO (1) WO2007100270A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518937A (zh) * 2019-08-30 2019-11-29 优奈柯恩(北京)科技有限公司 中继线缆及增强现实系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6058441A (en) * 1998-02-19 2000-05-02 Shu; Han USB multi-function connecting device
RU2205427C2 (ru) * 2001-07-04 2003-05-27 Бескровный Николай Иванович Информационно-измерительная система для геофизических исследований скважин
RU32618U1 (ru) * 2003-04-22 2003-09-20 Общество с ограниченной ответственностью "Юник Ай Сиз" Устройство для передачи данных между компьютером и периферийными устройствами

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6058441A (en) * 1998-02-19 2000-05-02 Shu; Han USB multi-function connecting device
RU2205427C2 (ru) * 2001-07-04 2003-05-27 Бескровный Николай Иванович Информационно-измерительная система для геофизических исследований скважин
RU32618U1 (ru) * 2003-04-22 2003-09-20 Общество с ограниченной ответственностью "Юник Ай Сиз" Устройство для передачи данных между компьютером и периферийными устройствами

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518937A (zh) * 2019-08-30 2019-11-29 优奈柯恩(北京)科技有限公司 中继线缆及增强现实系统

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