CN101227032A - Single board and cable connector for connecting single board and cable - Google Patents
Single board and cable connector for connecting single board and cable Download PDFInfo
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- CN101227032A CN101227032A CNA2007101681965A CN200710168196A CN101227032A CN 101227032 A CN101227032 A CN 101227032A CN A2007101681965 A CNA2007101681965 A CN A2007101681965A CN 200710168196 A CN200710168196 A CN 200710168196A CN 101227032 A CN101227032 A CN 101227032A
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- identifying information
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
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Abstract
The invention discloses a cable-to-cable connector and a veneer thereof, which are connected with the veneer and the cable, wherein an interface which provides cable type identification information is arranged in the cable-to-cable connector, corresponding identification and control mechanism is allocated in the veneer. The technical scheme of the invention is that the veneer is capable of automatically identifying the needed operating mode and chain circuit impedance via obtaining the cable type identification information after that the cable is connected on the veneer, thereby processing corresponding setting and matching, avoids artificial perception and manual manipulation of fieldmen, reduces complexity of operation on-site and eliminates hidden dangers of impedance mismatching due to operation mistake and the like.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of cable connector and corresponding veneer that is used to connect veneer and cable.
Background technology
In communication system, for the stronger ability to work and the flexibility of use are provided, veneer need provide different operating states, and can be connected with the cable of different size.For example, for the veneer that E1, T1 coffret are provided, its work chip is supported E1 and two kinds of mode of operations of T1, and can carry out supporting the connection with three types cable (120 ohm, 75 ohm, 100 ohm).E1, T1 link are the important transmission links in the communication system, the reliability of its work has material impact for the operate as normal of whole system, therefore E1, T1 link require comparatively strict to the impedance matching of transmission and receiving terminal, if the coupling of circuit goes wrong, the transmission performances and the error rate all there is bigger influence.There are the E1 cable of 120 ohm and 75 ohm two kinds of impedance types and 100 ohm T1 cable at present, carry out the impedance matching of chip operation pattern recognition and coffret usually in the following way.
Referring to Fig. 1, veneer A 1 is connected with cable A2 by the butt joint of veneer connector J1 and cable connector J2; The sendaisle of the E1/T1 chip on the veneer A 1 is TX+ and TX-, and receive path is RX+ and RX-, is connected with three resistance R 1, R2, R3 that are used for impedance matching in the receive path respectively, controls its break-make by toggle switch K1, K2, K3 respectively; Control module on the veneer A 1 is connected with the E1/T1 chip by Microprocessor Interface (MPI:Micro Processor Interface), and two pins of control module are controlled its ground connection by toggle switch K4, K5 respectively.
In actual use, the type (120 ohm, 75 ohm, 100 ohm) of the accessory cables of on-the-spot mode of operation of supporting according to the veneer needs (E1 or T1) and manual identified pushes corresponding state by hand with toggle switch K1, K2, K3, K4, K5.Wherein, K4 and K5 are the mode of operation and the type of cable indicator cock of E1/T1 chip, control module is according to the toggle switch K4 and the K5 state that read, by the MPI interface mode of operation (E1 or T1) of E1/T1 chip and corresponding chip internal output impedance coupling related register are set, thereby realize the setting of E1/T1 chip operation pattern and the coupling of sending-end impedance and cable; The impedance matching of receiving terminal needs the resistance of E1/T1 chip exterior to realize, suppose R1 and 75 ohm of cable couplings, R2 and 120 ohm of cable couplings, R3 and 100 ohm of cable couplings, when then using 75 ohm of cables toggle switch K1 is pushed the position of connection (ON), simultaneously two other switch is pushed the position of disconnection (OFF), when using 120 ohm of cables toggle switch K2 is pushed the position of connection (ON), simultaneously two other is pushed the position of disconnection (OFF), when using 100 ohm of cables toggle switch K3 is pushed the position of connection (ON), simultaneously two other is pushed the position of disconnection (OFF).
Under this kind mode, need the Field Force to discern the mode of operation of type of cable and veneer, manual toggle switch is pushed the relevant position, increased the complexity of execute-in-place and make mistakes easily; And manually operated toggle switch reliability is not high, loses efficacy easily, causes faults such as the chip operation pattern does not match and impedance does not match, and causes transmission error rates height and location difficulty.
Summary of the invention
The embodiment of the invention is provided for connecting the cable connector and the corresponding veneer of veneer and cable, can support the automatic identification of the type of cable that is connected with veneer, and the automatic configuration of veneer mode of operation and impedance matching.
A kind of cable connector that is used to connect veneer and cable comprises: cable interface is used for stube cable; First mating interface comprises first working interface and first recognition interface; Described first working interface is used for described cable interface externally is connected to veneer; Described first recognition interface is used for providing the type of cable identifying information to veneer.
A kind of veneer comprises: control module, have the identification passage, and be used for obtaining the type of cable identifying information, according to described type of cable identifying information output mode control signal and impedance control signal by described identification passage; The work chip has the signalling channel that is connected with described control module, and transmission and receive path; Be used for obtaining described mode control signal, adjust to corresponding work mode according to described mode control signal by described signalling channel; Impedance matching module has the control channel that is connected with described control module, is used for obtaining described impedance control signal by described control channel, according to described impedance control signal adaptive resistance is linked in the receive path of described work chip.
The embodiment of the invention adopts the interface that the type of cable identifying information is provided is set in connector, the scheme of corresponding identification of configuration and controlling organization in veneer; After making that cable is connected on the veneer, veneer can be by to needed mode of operation of the automatic identification of obtaining of type of cable identifying information and link impedance, thereby carries out corresponding setting and coupling; Avoid Field Force's manual identified and manual operation, reduced the complexity of execute-in-place, eliminated impedance that operating mistake brings hidden danger such as do not match.
Description of drawings
Fig. 1 is the matching way schematic diagram of existing a kind of veneer and cable;
Fig. 2 is the basic structure schematic diagram of the cable connector of the embodiment of the invention;
Fig. 3 is several concrete structure schematic diagrames of first recognition interface of the embodiment of the invention;
Fig. 4 is the basic logical structure schematic diagram of the veneer of the embodiment of the invention;
Fig. 5 is a kind of concrete logical construction schematic diagram of the control module of the embodiment of the invention;
Fig. 6 is the another kind of concrete logical construction schematic diagram of the control module of the embodiment of the invention;
Fig. 7 is a kind of concrete logical construction schematic diagram of the veneer of the embodiment of the invention;
Fig. 8 is the concrete connection diagram of a kind of veneer and the cable connector of the embodiment of the invention;
Fig. 9 is a kind of recognition interface state and the type of cable corresponding relation schematic diagram of the embodiment of the invention.
Embodiment
The embodiment of the invention is provided for connecting the cable connector and the corresponding veneer of veneer and cable, and the interface that the type of cable identifying information is provided is set in cable connector, corresponding identification of configuration and controlling organization in veneer.Below be elaborated respectively.
Being used to of the embodiment of the invention connects the basic structure of the cable connector of veneer and cable can be with reference to figure 2, and cable is connected on the veneer with adaptive docking of veneer connector J12 by cable connector J11.
Cable connector J11 provides the connection from cable to veneer connector J12, comprises the cable interface 101 and first mating interface 102 that are used for stube cable; First mating interface 102 comprises the first working interface a1 and the first recognition interface b1; The first working interface a1 is used for cable interface 101 is externally connected; The first recognition interface b1 is used to provide the type of cable identifying information.
Veneer connector J12 and cable connector J11 are adaptive, can carry out corresponding interface and divide, and promptly comprise second mating interface 103 and single board interface 104; Second mating interface 103 comprises the second working interface a2 and the second recognition interface b2, be respectively applied for the first working interface a1 of first mating interface 102 with first recognition interface b1 is adaptive is connected; 104 single board interfaces comprise the 3rd working interface a3 and the 3rd recognition interface b3, be respectively applied for the second working interface a2 and the second recognition interface b2 are connected to veneer.
The cable interface 101 among the cable connector J11 and the first working interface a1, and the second working interface a2 among the veneer connector J12 and the 3rd working interface a3 can be with reference to common interface mode designs.The first recognition interface b1 can be the extra interface that increases, can adopt also that still untapped pin serves as in the present interface, provide the mode and the kind of type of cable identifying information according to it, can adopt one or more pin, corresponding second recognition interface b2 and the 3rd recognition interface b3 can be with first recognition interface b1 be adaptive gets final product, and effect is the first recognition interface b1 is connected to veneer.
First recognition interface can adopt numeral or simulated mode that the type of cable identifying information is provided:
A kind of optional simple digital mode is, provide a pin by first recognition interface, this pin connects a readable static storage cell, wherein preserves the type of cable identifying information, and veneer reads this static storage cell by the connection of connector and obtains corresponding type of cable identifying information.
A kind of optional simple analog mode is, provides one or more pin by first recognition interface, and the connection status by these pins provides the type of cable identifying information.Veneer is connected with these pins respectively by connector, can provide in the veneer and draw or drop-down level on basic, based on the different connection status of these pins, veneer can be read different level signals on corresponding circuit, thereby obtains corresponding type of cable identifying information.
Provide the structure of the first concrete recognition interface below based on the situation of E1/T1 cable: with reference to figure 3 (for the purpose of clear, first recognition interface of cable connector J11 has only drawn among Fig. 3), comprise the first pin ST1 and the second pin ST2, the connection status of these two pins is selected from one of following state: all floating empty, floating empty, the floating empty ST2 ground connection of ST1 of ST1 ground connection ST2 of the equal ground connection of ST1 and ST2, ST1 and ST2.Like this, draw on veneer provides under the situation of level, the different connection status of ST1 and ST2 can provide four kinds of signals (high level is considered as " 1 ", and low level is considered as " 0 "): 00,11,01,10.Can select in these four kinds of signals three kinds respectively as the type of cable identifying information of following three kinds of cables: 75 ohm of cables, 120 ohm of cables, 100 ohm of cables.Veneer can be judged the type of cable that is connected by the level that reads the circuit that is connected with ST2 with ST1 like this.
Below the veneer with the corresponding embodiment of the invention of above-mentioned cable connector is described, its basic logical structure comprises with reference to figure 4:
Further, in order to realize remote inquiry and revise matched impedance that improve the maintainability of product, control module 201 also can be used for, and reports the type of cable that identifies according to the type of cable identifying information.Control module can be regularly or when the line level of identification passage L1 changes, the type of cable identifying information that provides by identification passage L1 is provided, report the backstage by software, just can inquire the type of cable like this on the backstage, and can be at far-end operation, thereby realizing far-end, the output by software change mode control signal and impedance control signal revises the value of impedance matching.
One is based on existing control module carries out the function expansion, and increase it and discern being connected of passage L1 and control channel L5, and corresponding identification of configuration and control logic.
The 2nd, on the basis of existing control module, increase new module, respectively implementation pattern control and impedance matching control.In this case, control module specifically can adopt following two kinds of structures:
1. with reference to figure 5, comprise mode control module 2011 and impedance Control module 2012.Mode control module 2011 is finished the function of existing control module, is used for obtaining the type of cable identifying information by identification passage L1, according to type of cable identifying information output mode control signal.Impedance Control module 2012 is used for obtaining the type of cable identifying information by identification passage L1, according to type of cable identifying information output impedance control signal.Under this structure, if can adopting simple level to change, the impedance control signal that type of cable identifying information that identification passage L1 transmits and control channel L5 transmit represents, then impedance Control module 2012 can be designed to simple electric circuit construction, need not the support of logic chip.
2. with reference to figure 6, comprise mode control module 2013 and impedance Control module 2014.Mode control module 2013 is used for obtaining the type of cable identifying information by identification passage L1, selects signal according to type of cable identifying information output mode control signal and resistance.Impedance Control module 2014 is used for selecting signal output impedance control signal according to the resistance of mode control module 2013 outputs.
Corresponding to the cable connector of previous embodiment, the sendaisle L3 of present embodiment veneer is connected with the working interface of cable connector with receive path L4, and identification passage L1 is connected with the recognition interface of cable connector.The concrete recognition interface structure that provides based on cable connector, identification passage L1 can be a data circuit, being used to read static storage cell, also can be one or more than one circuits, and control module 201 is obtained the type of cable identifying information by the level on these circuits.
Provide a kind of concrete identification channel design below, and control corresponding module controls mode, this moment, cable connector adopted the structure based on Fig. 3, the work chip adopts the E1/T1 chip, signalling channel L2 between control module and the E1/T1 chip adopts the MPI interface, sendaisle is TX+ and TX-, and receive path is RX+ and RX-.With reference to figure 7, identification passage comprise the first circuit L11 and the second circuit L12, veneer by pull-up resistor R4 and R5 provide these two circuits on draw level VC.According to the different conditions of the cable connector pin that is connected, the level on these two circuits is selected from one of following situation: L11 and L12 are that low level, L11 and L12 are high level, L11 is that high level, L11 are low level for high level L12 for low level L12.Control module is obtained the type of cable identifying information that is used to discern one of following cable by the level on L11 and the L12: 75 ohm of cables, 120 ohm of cables, 100 ohm of cables; Select the impedance control signal of respective resistance values according to the type of cable identifying information output indication of various cables; The mode control signal of selecting the E1 pattern is indicated in type of cable identifying information output according to preceding two kinds of cables, exports the mode control signal of indication selection T1 pattern according to the type of cable identifying information of a kind of cable in back.
Realize cost for ease of control and reduction, impedance matching module can adopt and comprise that N is with the electronic switch of control end and the simple structure of N resistance, and N is the integer more than or equal to 2.N electronic switch is connected to N resistance in the receive path of work chip respectively, according to the control signal of control end separately switch connect the on off operating mode of resistance.Usually electronic switch has such characteristic: when the control signal of control end was high level, the two ends of electronic switch were connected, and when the control signal of control end was low level, the two ends of electronic switch disconnected.Electronic switch specifically can adopt triode, the device that power MOS pipe etc. have high reliability and are convenient to control.In this case, control channel L5 comprises N bar circuit, connects the control end of N electronic switch respectively; The impedance control signal way of output of control module is to export the level signal of the break-make of this N of control electronic switch on the N of control channel bar circuit according to the type of cable identifying information.
A kind of example of the concrete structure of above-mentioned impedance matching module can be with reference to figure 7, Fig. 7 middle impedance matching module comprise electronic switch k1, k2, the k3 of three band control ends and three resistances respectively with resistance r1, r2, the r3 of 75 ohm, 120 ohm, 100 ohm cables couplings; These three electronic switches are connected to these three resistance in the receive path of E1/T1 chip respectively, according to the control signal of control end separately switch connect the on off operating mode of resistance; Control channel comprises three-line L51, L52, L53, connects the control end of k1, k2, k3 respectively.The impedance control signal way of output of control module is, when the identification type of cable is M ohm cable, M is 75 or 120 or 100, the level that output control electronic switch is connected on the respective lines of control channel, this circuit connects the electronic switch of the resistance that mates with M ohm cable, the level that output control electronic switch disconnects on the two other circuit of control channel.
For better understanding the foregoing description, provide below based on the cable connector of Fig. 3 structure and being connected and the explanation of matching process automatically based on the veneer of Fig. 7 structure.
With reference to figure 8, veneer C1 adopts structure shown in Figure 7 substantially, and just control module also provides the reporting functions of type of cable; Cable C2 is 75 ohm of cables or 120 ohm of cables or 100 ohm of cables, and the relation between type of cable and veneer mode of operation and the matched impedance is as shown in table 1:
Table 1
| Type of cable | The mode of operation of corresponding veneer | Corresponding matched impedance |
| 75 ohm of cables | E1 | 75 ohm |
| 120 ohm of cables | E1 | 120 ohm |
| 100 ohm of cables | T1 | 100 ohm |
First recognition interface of cable connector J21 adopts two pin ST1 that reserve and ST2 that the type of cable identification signal is provided, and the corresponding relation of type of cable and ST1, ST2 connection status as shown in Figure 9.Veneer connector J22 docks with cable connector J21 is adaptive; The level signal that two circuit L11 and the L12 of the control module of veneer C1 by the identification passage reads ST1 and ST2.
When cable C2 inserts veneer by J21 and J22, control module identifies the type of cable of insertion by the variation of the level signal of ST1 and ST2, thereby carry out corresponding work mode configuration and impedance operation: the register by in the MPI interface configuration E1/T1 chip makes chip operation on the mode of operation of correspondence; For the impedance matching of transmitting terminal, the register that control module is write the E1/T1 chip by the MPI interface changes the output impedance realization of E1/T1 chip and the coupling of cable resistance; The impedance matching of receiving terminal needs the resistance of E1/T1 chip exterior to realize, as r1 resistance among Fig. 8 is 75 ohm, with 75 ohm of cable couplings, the r2 resistance is 120 ohm, with 120 ohm of cable couplings, the r3 resistance is 100 ohm, with 100 ohm of cable couplings, control module is exported control signal corresponding according to the type of cable of identification on three-line L51, the L52 of control channel and L53, control electronic switch k1, k2 and k3 switch on and off, thereby realize the coupling of receiving-end impedance and cable resistance.The corresponding relation of type of cable, identification signal, veneer mode of operation, control signal, on off state and matched impedance is as shown in table 2:
Table 2
| Type of cable | Identification signal | Mode of operation | Control signal | The electronic switch state | Matched impedance | |||||
| ST1 | ST2 | L51 | L52 | L53 | k1 | k2 | k3 | |||
| 75 ohm | 0 | 0 | E1 | 1 | 0 | 0 | ON | OFF | OFF | r1 |
| 120 ohm | 0 | 1 | E1 | 0 | 1 | 0 | OFF | ON | OFF | r2 |
| 100 ohm | 1 | 0 | T1 | 0 | 0 | 1 | OFF | OFF | ON | r3 |
| Not plug-in cable | 1 | 1 | Cable is not inserted | - | - | - | - | - | - | - |
In addition, control module can report the backstage with the impedance of cable by software, is convenient to the user at the impedance of remote inquiry cable and attended operation such as make amendment.
Veneer that the foregoing description provides and corresponding cable connector can be supported the automatic identification of veneer mode of operation and dispose automatically, the link impedance also can realize identification automatically and coupling, and the link impedance can be reported, avoided the Field Force to discern the operation of type of cable and dial-up, reduce the complexity of execute-in-place, eliminated the unmatched hidden danger of impedance that operating mistake is brought.Based on the concrete device scheme that is provided among the embodiment, can realize the present invention in addition with simple structure, lower cost; And avoided the low device of dependability, improved reliability of products.
More than be used to connect veneer and cable to the embodiment of the invention provided cable connector and corresponding veneer be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a cable connector that is used to connect veneer and cable is characterized in that, comprising:
Cable interface is used for stube cable;
First mating interface comprises first working interface and first recognition interface; Described first working interface is used for described cable interface externally is connected to veneer; Described first recognition interface is used for providing the type of cable identifying information to veneer.
2. cable connector according to claim 1 is characterized in that: described first recognition interface comprises one or more pin, and described first recognition interface provides described type of cable identifying information by the connection status of included pin.
3. cable connector according to claim 1, it is characterized in that: described first recognition interface comprises first pin and second pin, and the connection status of these two pins is selected from one of following state: two equal ground connection of pin, two all floating empty, floating empty, floating empty second pin ground connection of first pin of the first pin ground connection, second pin of pin; Described first recognition interface provides described type of cable identifying information by the connection status of described two pins.
4. a veneer is characterized in that, comprising:
Control module has the identification passage, is used for obtaining the type of cable identifying information by described identification passage, according to described type of cable identifying information output mode control signal and impedance control signal;
The work chip has the signalling channel that is connected with described control module, and transmission and receive path; Be used for obtaining described mode control signal, adjust to corresponding work mode according to described mode control signal by described signalling channel;
Impedance matching module has the control channel that is connected with described control module, is used for obtaining described impedance control signal by described control channel, according to described impedance control signal adaptive resistance is linked in the receive path of described work chip.
5. veneer according to claim 4 is characterized in that: described control module also is used for, and reports the type of cable that identifies according to described type of cable identifying information.
6. veneer according to claim 4 is characterized in that, described control module comprises:
Mode control module is used for obtaining the type of cable identifying information by described identification passage, according to described type of cable identifying information output mode control signal;
The impedance Control module is used for obtaining the type of cable identifying information by described identification passage, according to described type of cable identifying information output impedance control signal.
7. veneer according to claim 4 is characterized in that, described control module comprises:
Mode control module is used for obtaining the type of cable identifying information by described identification passage, selects signal according to described type of cable identifying information output mode control signal and resistance;
The impedance Control module is used for selecting signal output impedance control signal according to the resistance of described mode control module output.
8. according to any described veneer of claim 4～7, it is characterized in that: described identification passage comprises one or more than one circuits, and the level on the circuit that described control module comprises by described identification passage obtains described type of cable identifying information.
9. according to any described veneer of claim 4～7, it is characterized in that: described identification passage comprises first circuit and second circuit, and the level on these two circuits is selected from one of following situation: two circuits are that low level, two circuits are high level, first circuit is that low level second circuit is that high level, first circuit are that high level second circuit is a low level;
Described control module is obtained described type of cable identifying information by the level on two circuits of described identification passage.
10. according to any described veneer of claim 4～7, it is characterized in that: described impedance matching module comprises electronic switch and N resistance of N band control end, and N is the integer more than or equal to 2; A described N electronic switch is connected to a described N resistance in the receive path of described work chip respectively, according to the control signal of control end separately switch connect the on off operating mode of resistance;
Described control channel comprises N bar circuit, connects the control end of a described N electronic switch respectively;
Described control module is used for according to type of cable identifying information output impedance control signal, specifically is the level signal that is used for exporting on the N of described control channel bar circuit according to described type of cable identifying information the break-make of the described N of a control electronic switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101681965A CN101227032A (en) | 2007-11-28 | 2007-11-28 | Single board and cable connector for connecting single board and cable |
| PCT/CN2008/073236 WO2009074074A1 (en) | 2007-11-28 | 2008-11-28 | Cable connector for connecting cable with card and the card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101681965A CN101227032A (en) | 2007-11-28 | 2007-11-28 | Single board and cable connector for connecting single board and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101227032A true CN101227032A (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101681965A Pending CN101227032A (en) | 2007-11-28 | 2007-11-28 | Single board and cable connector for connecting single board and cable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101227032A (en) |
| WO (1) | WO2009074074A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009074074A1 (en) * | 2007-11-28 | 2009-06-18 | Huawei Technologies Co., Ltd. | Cable connector for connecting cable with card and the card |
| CN102751602A (en) * | 2012-06-27 | 2012-10-24 | 华为技术有限公司 | E1 cable connector, cable type detection circuit board and method |
| CN103168427A (en) * | 2011-10-11 | 2013-06-19 | 华为技术有限公司 | E1 signal transmission line, e1 signal sending device and receiving device |
| CN104407259A (en) * | 2014-12-11 | 2015-03-11 | 长沙威胜信息技术有限公司 | Identification method for hardware ID of communication module of electricity information collecting terminal |
| CN104469347A (en) * | 2014-12-08 | 2015-03-25 | 硅谷数模半导体（北京）有限公司 | Detection circuit of video transmission cable and video output chip |
| WO2016172879A1 (en) * | 2015-04-29 | 2016-11-03 | 广东欧珀移动通信有限公司 | Method for identifying types of cables, power adaptor and cable |
| CN111478127A (en) * | 2020-04-17 | 2020-07-31 | 中国科学院地质与地球物理研究所 | Signal processing circuit, contactless connector, signal processing method, and storage medium |
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| KR100265704B1 (en) * | 1997-10-17 | 2000-09-15 | 윤종용 | Cable manager system and computer with the same |
| US6654840B1 (en) * | 1998-05-19 | 2003-11-25 | Sega Enterprises, Ltd. | Connection cable identification mechanism |
| CN1235347C (en) * | 2002-12-19 | 2006-01-04 | 华为技术有限公司 | Inter face for realizing automatic impedance matching and method thereof |
| JP4406257B2 (en) * | 2003-10-23 | 2010-01-27 | 株式会社東芝 | Mobile device |
| CN101227032A (en) * | 2007-11-28 | 2008-07-23 | 华为技术有限公司 | Single board and cable connector for connecting single board and cable |
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2007
- 2007-11-28 CN CNA2007101681965A patent/CN101227032A/en active Pending
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2008
- 2008-11-28 WO PCT/CN2008/073236 patent/WO2009074074A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009074074A1 (en) * | 2007-11-28 | 2009-06-18 | Huawei Technologies Co., Ltd. | Cable connector for connecting cable with card and the card |
| CN103168427A (en) * | 2011-10-11 | 2013-06-19 | 华为技术有限公司 | E1 signal transmission line, e1 signal sending device and receiving device |
| CN103168427B (en) * | 2011-10-11 | 2014-12-03 | 华为技术有限公司 | E1 signal sending device and receiving device |
| CN102751602A (en) * | 2012-06-27 | 2012-10-24 | 华为技术有限公司 | E1 cable connector, cable type detection circuit board and method |
| CN104469347A (en) * | 2014-12-08 | 2015-03-25 | 硅谷数模半导体（北京）有限公司 | Detection circuit of video transmission cable and video output chip |
| CN104407259A (en) * | 2014-12-11 | 2015-03-11 | 长沙威胜信息技术有限公司 | Identification method for hardware ID of communication module of electricity information collecting terminal |
| WO2016172879A1 (en) * | 2015-04-29 | 2016-11-03 | 广东欧珀移动通信有限公司 | Method for identifying types of cables, power adaptor and cable |
| CN106170710A (en) * | 2015-04-29 | 2016-11-30 | 广东欧珀移动通信有限公司 | Identify the method for type, power supply adaptor and the cable of cable |
| US10720778B2 (en) | 2015-04-29 | 2020-07-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for identifying type of cable, power adapter and cable |
| CN111478127A (en) * | 2020-04-17 | 2020-07-31 | 中国科学院地质与地球物理研究所 | Signal processing circuit, contactless connector, signal processing method, and storage medium |
| US11843204B2 (en) | 2020-04-17 | 2023-12-12 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Signal processing circuit, contactless connector, signal processing method and storage medium |
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| Publication number | Publication date |
|---|---|
| WO2009074074A1 (en) | 2009-06-18 |
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