CN101738562A - Electric detection system for interface card - Google Patents
Electric detection system for interface card Download PDFInfo
- Publication number
- CN101738562A CN101738562A CN200810175580A CN200810175580A CN101738562A CN 101738562 A CN101738562 A CN 101738562A CN 200810175580 A CN200810175580 A CN 200810175580A CN 200810175580 A CN200810175580 A CN 200810175580A CN 101738562 A CN101738562 A CN 101738562A
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- detection chip
- current value
- power circuit
- power
- 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
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Power Sources (AREA)
Abstract
The invention discloses an electric detection system for an interface card. Electric energy is supplied by an external power supply to perform electric detection of a power supply circuit of the interface card. The system comprises a capacitor, a first resistor, a power switch, a microprocessor, a second resistor and a detection chip, wherein one end of the capacitor and one end of the first resistor are connected to the power supply circuit, while the other ends are electrically grounded. The power switch is connected to the power supply circuit in series. The microprocessor is connected with the power switch and is used for controlling the on/off of the power switch. The second resistor is connected to the power supply circuit in series. The detection chip is in bridge connection with the second resistor and is used for performing the electric detection of the power supply circuit and sending the result of the electric detection to the microprocessor. The electric detection system of the interface card can achieve the purpose of lowering the cost.
Description
Technical field
The present invention relates to a kind of electric detection system, particularly relate to a kind of electric detection system of interface card.
Background technology
Most enterprises can set up at least one cabinet for convenience of various servers in the management company.An enterprise-level string type transmission interface technology backboard (Serial Attached SCSIbackplane, SAS backplane) is arranged in the cabinet.Have a plurality of slots on the enterprise-level string type transmission interface technology backboard, each slot can be installed a cutter point server.Just can ccontaining a plurality of servers in each cabinet, and can on same cabinet, increase the quantity of server or increase the quantity that cabinet increases server in addition along with the expansion of enterprise.
Each server is provided with various needed electronic packages on a printed circuit board (PCB).For fear of because the electronic package on the printed circuit board (PCB) because problems such as the open circuit that causes of rosin joint or short circuits, therefore manufacturer is when dispatching from the factory because of printed circuit board, all need do detection, to avoid rosin joint, short circuit, the equiprobable problem of open circuit at the power circuit on the printed circuit board (PCB) (that is P.e.c.).But be used for detecting the equipment of the power circuit on the printed circuit board (PCB), all be complex structure and expensive large-scale board in the past, and for manufacturer, the detection of printed circuit board (PCB) is a high main cause of cost.
Summary of the invention
The invention provides a kind of electric detection system of interface card, can effectively reduce cost.
The electric detection system of a kind of interface card disclosed according to the present invention, provide electric energy by external power source, electrical with the power circuit that is used for interface card includes electric capacity, first resistance, power switch, microprocessor, second resistance and detection chip.
Electric capacity one end is connected in power circuit, and the electrical ground connection of the other end is in order to as filter capacitor.First resistance, one end is connected in power circuit, and the electrical ground connection of the other end is in order to as loaded impedance.Power switch is serially connected with power circuit, in order to the transmission of electric energy on the control power circuit.Microprocessor connects power switch, in order to the keying state of control power switch.Wherein, include in open circuit short-circuit detecting program, load detecting program and the capacitance detecting program at least one of them in the microprocessor.Second resistance string is connected to power circuit, in order to conduct sampling impedance.The detection chip cross-over connection is in second resistance, in order to power circuit is carried out electrical, and the result of electrical returned to microprocessor.
Wherein, open circuit short-circuit detecting routine package contains: the initialization detection chip; The power-on switch is in order to provide electric energy in power circuit; Detect current value on the power circuit by detection chip according to default value; When current value during, return first look-at-me by detection chip and give microprocessor, again by microprocessor powered-down switch and alarm signal is provided greater than default value; When current value is not more than default value, detect current value according to preset range by detection chip; When current value is in preset range, return second look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in normal condition; And when current value is outside preset range, returns the 3rd look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in abnomal condition.
Wherein, the load detecting routine package contains: the initialization detection chip; The power-on switch is in order to provide electric energy in power circuit; Detect current value on the power circuit by detection chip according to default value; When current value during, return first look-at-me by detection chip and give microprocessor, again by microprocessor powered-down switch and alarm signal is provided greater than default value; When current value is not more than default value, first resistance, one end is connected in the output terminal of power circuit, the electrical ground connection of the other end is in order to as loaded impedance; Detect current value by detection chip according to preset range; When current value is in preset range, return second look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in normal condition; When current value is outside preset range, return the 3rd look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in abnomal condition; The powered-down switch also removes first resistance.
Wherein, the capacitance detecting routine package contains: the initialization detection chip; The powered-down switch is in order to allow capacitor discharge; When capacitor discharge finishes, the power-on switch is with to the electric capacity charging, and timing simultaneously; Detect current value on the power circuit by detection chip according to default value; When current value during, give microprocessor by detection chip passback look-at-me, again by microprocessor powered-down switch and alarm signal is provided greater than the electric current default value; When current value is not more than the electric current default value, detect a magnitude of voltage of electric capacity by detection chip; When magnitude of voltage reaches the voltage default value, stop timing and powered-down switch; By a voltage difference and the duration of charging before and after the electric capacity energising, calculate a capacitance of electric capacity.
The electric detection system of a kind of interface card disclosed according to the present invention, by carrying out open circuit short-circuit detecting program, load detecting program and the capacitance detecting program that is comprised in the microprocessor, control the keying of power switch on the one hand, by the external power source supply of electrical energy, allow detection chip that power circuit is made electrical on the other hand, needing to avoid large-scale detection board to come power circuit is made electrical in the past, reach cost-effective effect.
About feature of the present invention and embodiment, conjunction with figs. is described in detail as follows as most preferred embodiment.
Description of drawings
Fig. 1 is the electric detection system synoptic diagram according to a kind of interface card of the present invention;
Fig. 2 is open circuit short-circuit detecting program flow diagram;
Fig. 3 is the load detecting program flow diagram;
Fig. 4 is the capacitance detecting program flow diagram; And
Fig. 5 is the time and the voltage curve of electric capacity charging.
Wherein, Reference numeral:
10 electric capacity, 20 first resistance
30 power switches, 40 microprocessors
50 second resistance, 60 detection chip
100 external power sources, 200 interface cards
300 power circuits, 301 P.e.c.
Embodiment
Please refer to Fig. 1.Fig. 1 is the electric detection system synoptic diagram according to a kind of interface card of the present invention.According to the electric detection system of a kind of interface card of the present invention, provide electric energy by external power source 100, with the electrical of the power circuit 300 that is used for interface card 200.The electric detection system of interface card includes electric capacity 10, first resistance 20, power switch 30, microprocessor 40, second resistance 50 and detection chip 60.
First resistance, 20 1 ends are connected in the output terminal of power circuit 300, and the electrical ground connection of the other end is in order to as loaded impedance.The high-power resistance of first resistance 20 and input voltage respective resistance values.
The kind of first resistance 20 and second resistance 50 can be photoresistance, general resistance, cement resistor or fuse resistance etc.
Please refer to Fig. 2.Fig. 2 is open circuit short-circuit detecting program flow diagram.Open circuit short-circuit detecting routine package in the microprocessor 40 contains: initialization detection chip (step 71); The power-on switch is in order to provide electric energy in power circuit (step 72); Whether detect current value on the power circuit greater than a default value (step 73) by detection chip; When current value during greater than default value, return first look-at-me by detection chip and give microprocessor, again by microprocessor powered-down switch and alarm signal is provided, confirm that by microprocessor power circuit is in abnomal condition (step 74); When current value is not more than default value, detect current value whether in preset range (step 75) by detection chip; When current value is in preset range, return second look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in normal condition (step 76); And when current value is outside preset range, returns the 3rd look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in abnomal condition (step 77).
Open circuit short-circuit detecting program in the microprocessor 40 is done initialized action to detection chip 60 in advance, in order to reply the every setting in the detection chip 60.By microprocessor 40 power-on switches 30, come the electric detection system power supply of docking port card by external power source 100 then.Detect current value power circuit 300 on by detection chip 60 this moment.Wherein, be set with a default value in the detection chip 60, set default value and work in the danger of high electric current in order to avoid power circuit 300.Therefore when the current value that is measured during greater than default value, by detection chip 60 passbacks first look-at-me (for example: the instruction that emergency power off is online etc.) give microprocessor 40, confirm that again by microprocessor 40 powered-down switches 30 and alarm signal is provided, and by microprocessor 40 power circuits 300 are in abnomal condition.When the current value that is measured is not more than default value, detect current value on the power circuit 300 by detection chip 60, to confirm whether in the electric current preset range of power circuit 300 operate as normal.When the current value that is measured if in preset range the time, (for example: the instruction of normal operating conditions etc.) give microprocessor 40, confirm that by microprocessor 40 power circuits 300 are in normal condition by detection chip 60 passbacks second look-at-me.When the current value that is measured if preset range outside the time, by detection chip 60 passbacks the 3rd look-at-me (for example: the instruction of abnormal operating state etc.) give microprocessor 40, by microprocessor 40 affirmation power circuits 300 in abnomal condition.By microprocessor 40 normal the or abnomal condition of power circuit 300 is presented in screen or display lamp number etc. at last, allows the operator learn the state of power circuit 300.
Please refer to Fig. 3.Fig. 3 is the load detecting program flow diagram.The load detecting routine package contains: initialization detection chip (step 81); The power-on switch is in order to provide electric energy in power circuit (step 82); Whether detect current value on the power circuit greater than a default value (step 83) by detection chip; When current value during, return first look-at-me by detection chip and give microprocessor, again by microprocessor powered-down switch and alarm signal (step 84) is provided greater than default value; When current value is not more than default value, first resistance, one end is connected in the output terminal of power circuit, the electrical ground connection of the other end is in order to as loaded impedance (step 85); Detect current value whether in preset range (step 86) by detection chip; When current value is in preset range, return second look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in normal condition (step 87); When current value is outside preset range, return the 3rd look-at-me by detection chip and give microprocessor, confirm that by microprocessor power circuit is in abnomal condition (step 88); The powered-down switch also removes first resistance (step 89).
Open circuit short-circuit detecting program in the microprocessor 40 is done initialized action to detection chip 60 in advance, in order to reply the every setting in the detection chip 60.By microprocessor 40 power-on switches 30, come the electric detection system power supply of docking port card by external power source 100 then.In advance detect current value on the power circuit 300 by detection chip 60 this moment.Wherein, be set with a default value in the detection chip 60, this default value avoids power circuit 300 to work in the danger of high electric current.Therefore when the current value that is measured during, (for example: return first look-at-me instruction that emergency power off is online etc.) to microprocessor 40, again by microprocessor 40 powered-down switches 30 and alarm signal is provided by detection chip 60 greater than default value.When the current value that is measured is not more than default value, an end of first resistance 20 is connected in the output terminal of power circuit 300, the electrical ground connection of the other end is in order to as loaded impedance.Detect current value on the power circuit 300 by detection chip 60, to confirm whether in the electric current preset range of power circuit 300 operate as normal.When the current value that is measured if in preset range the time, (for example: the instruction of normal operating conditions etc.) give microprocessor 40, confirm that by microprocessor 40 power circuits 300 are in normal condition by detection chip 60 passbacks second look-at-me.When the current value that is measured if preset range outside the time, by detection chip 60 passbacks the 3rd look-at-me (for example: the instruction of abnormal operating state etc.) give microprocessor 40, by microprocessor 40 affirmation power circuits 300 in abnomal condition.Then by microprocessor 40 powered-down switches 30, and remove first resistance 20.Can the normal or abnomal condition of power circuit 300 be presented in screen or display lamp number etc. by microprocessor 40 at last, allow the operator learn the state of power circuit 300.
Please refer to Fig. 4.Fig. 4 is the capacitance detecting program flow diagram.The capacitance detecting routine package contains: initialization detection chip (step 91); The powered-down switch is in order to allow capacitor discharge (step 92); When capacitor discharge finishes, the power-on switch is with to the electric capacity charging, and timing (step 93) simultaneously; Whether detect current value on the power circuit greater than an electric current default value (step 94) by detection chip; When current value during, give microprocessor by detection chip passback look-at-me, again by microprocessor powered-down switch and alarm signal (step 95) is provided greater than the electric current default value; When current value is not more than the electric current default value, detect a magnitude of voltage (step 96) of electric capacity by detection chip; When magnitude of voltage reaches the voltage default value, stop timing and powered-down switch (step 97); By a voltage difference and the duration of charging before and after the electric capacity energising, calculate a capacitance (step 98) of electric capacity.
Open circuit short-circuit detecting program in the microprocessor 40 is done initialized action to detection chip 60 in advance, in order to reply the every setting in the detection chip 60.By microprocessor 40 powered-down switches 30, electric weight remaining in the electric capacity 10 is discharged again.Detect simultaneously the voltage of electric capacity 10,, turn on the power switch 30,, pick up counting simultaneously by 10 chargings of 100 pairs of electric capacity of external power source when discharge finishes (that is electric capacity 10 voltages near 0 time) by microprocessor 40.Detect current value on the power circuit 300 by detection chip 60 according to the electric current default value this moment.Wherein, be set with an electric current default value in the detection chip 60, this electric current default value avoids power circuit 300 to work in the danger of high electric current.Therefore when the current value that is measured during, (for example: return a look-at-me instruction that emergency power off is online etc.) to microprocessor 40, again by microprocessor 40 powered-down switches 30 and alarm signal is provided by detection chip 60 greater than the electric current default value.When the current value that is measured is not more than default value, detect the magnitude of voltage of electric capacity 10 by detection chip 60.When the voltage after electric capacity 10 chargings is elevated to the voltage default value, stop timing and powered-down switch 30.Microprocessor 40 calculates capacitance by voltage difference and duration of charging before and after electric capacity 10 chargings.By microprocessor 40 capacitance is presented in screen or other display device etc. at last, allows the operator learn whether the capacitance of electric capacity 10 meets setting.
The charging curve of electric capacity please refer to Fig. 5.Fig. 5 is the time and the voltage curve of electric capacity charging.Among the figure, t1 is the time point that begins electric capacity 10 chargings.T2 is the time point that stops electric capacity 10 chargings.V1 when beginning to electric capacity 10 charging, the magnitude of voltage of electric capacity 10.V2 when stopping to electric capacity 10 charging, the magnitude of voltage of electric capacity 10.Relation equation by electric capacity and voltage and electric weight:
Q＝CV
ΔQ＝CΔV
Δ Q be t1 in the time of t2, the charge volume of electric capacity 10.Δ V is the voltage difference of v1 and v2.Can be by above-mentioned relation equation in the hope of capacitance C.
The electric detection system of a kind of interface card disclosed according to the present invention, by carrying out open circuit short-circuit detecting program, load detecting program and the capacitance detecting program that is comprised in the microprocessor 40, control the keying of power switch 30 on the one hand, by external power source 100 supply of electrical energy, allow 60 pairs of power circuits 300 of detection chip make electrical on the other hand, needing to avoid large-scale detection board to come power circuit 300 is made electrical in the past, reach cost-effective effect.
Claims (4)
1. the electric detection system of an interface card provides an electric energy by an external power source, and the electrical with the power circuit that is used for an interface card is characterized in that, includes:
One electric capacity, an end is connected in this power circuit, and the electrical ground connection of the other end is in order to as filter capacitor;
One first resistance, an end is connected in this power circuit, and the electrical ground connection of the other end is in order to as loaded impedance;
One power switch is serially connected with this power circuit, in order to control the transmission of electric energy on this power circuit;
One microprocessor connects this power switch, in order to control the keying state of this power switch, wherein, includes in an open circuit short-circuit detecting program, a load detecting program and the capacitance detecting program at least one of them in this microprocessor;
One second resistance is serially connected with this power circuit, in order to conduct sampling impedance; And
One detection chip, cross-over connection be in this second resistance, in order to this power circuit is carried out this electrical, and the result of this electrical returned to this microprocessor.
2. the electric detection system of interface card as claimed in claim 1 is characterized in that, this open circuit short-circuit detecting routine package contains:
This detection chip of initialization;
Open this power switch, in order to provide this electric energy in this power circuit;
Detect a current value on this power circuit by this detection chip according to a default value;
When this current value during greater than a default value, return one first look-at-me by this detection chip and give this microprocessor, close this power switch and an alarm signal is provided by this microprocessor;
When this current value is not more than this default value, detect this current value according to a preset range by this detection chip;
When this current value is in this preset range, return one second look-at-me by this detection chip and give this microprocessor, confirm that by this microprocessor this power circuit is in normal condition; And
When this current value is outside this preset range, return one the 3rd look-at-me by this detection chip and give this microprocessor, confirm that by this microprocessor this power circuit is in abnomal condition.
3. the electric detection system of interface card as claimed in claim 1 is characterized in that, this load detecting routine package contains:
This detection chip of initialization;
Open this power switch, in order to provide this electric energy in this power circuit;
Detect a current value on this power circuit by this detection chip according to a default value;
When this current value during greater than a default value, return one first look-at-me by this detection chip and give this microprocessor, close this power switch and an alarm signal is provided by this microprocessor;
When this current value is not more than this default value, connect this first resistance;
Detect this current value by this detection chip according to a preset range;
When this current value is in this preset range, return one second look-at-me by this detection chip and give this microprocessor, confirm that by this microprocessor this power circuit is in normal condition;
When this current value is outside this preset range, return one the 3rd look-at-me by this detection chip and give this microprocessor, confirm that by this microprocessor this power circuit is in abnomal condition; And
Close this power switch and remove this first resistance.
4. the electric detection system of interface card as claimed in claim 1 is characterized in that, this capacitance detecting routine package contains:
This detection chip of initialization;
Close this power switch, in order to allow this capacitor discharge;
When this capacitor discharge finishes, open this power switch with to this electric capacity charging, and timing simultaneously;
Detect a current value on this power circuit by this detection chip according to an electric current default value;
When this current value during greater than this electric current default value, return a look-at-me by this detection chip and give this microprocessor, close this power switch and an alarm signal is provided by this microprocessor again;
When this current value is not more than this electric current default value, detect a magnitude of voltage of this electric capacity by this detection chip;
When this magnitude of voltage reaches a voltage default value, stop timing and close this power switch; And
By a voltage difference and the duration of charging before and after this electric capacity energising, calculate a capacitance of this electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101755802A CN101738562B (en) | 2008-11-07 | 2008-11-07 | Electric detection system for interface card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101755802A CN101738562B (en) | 2008-11-07 | 2008-11-07 | Electric detection system for interface card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101738562A true CN101738562A (en) | 2010-06-16 |
| CN101738562B CN101738562B (en) | 2012-04-18 |
Family
ID=42462292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101755802A Active CN101738562B (en) | 2008-11-07 | 2008-11-07 | Electric detection system for interface card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101738562B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179446A (en) * | 2017-05-18 | 2017-09-19 | 纳思达股份有限公司 | Capacitance determining method and device |
| WO2017185311A1 (en) * | 2016-04-28 | 2017-11-02 | 华为技术有限公司 | Short-circuit prevention detection device and user terminal |
| CN108508315A (en) * | 2017-02-27 | 2018-09-07 | 发那科株式会社 | Connect the connection circuit of equipment |
| CN109004853A (en) * | 2018-07-27 | 2018-12-14 | 国网江苏省电力有限公司苏州供电分公司 | The submodule state monitoring method and device of modularization multi-level converter |
| CN112946459A (en) * | 2021-02-26 | 2021-06-11 | 天津中德应用技术大学 | Device and method for detecting short-circuit fault point of finished printed circuit board |
-
2008
- 2008-11-07 CN CN2008101755802A patent/CN101738562B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185311A1 (en) * | 2016-04-28 | 2017-11-02 | 华为技术有限公司 | Short-circuit prevention detection device and user terminal |
| CN108027400A (en) * | 2016-04-28 | 2018-05-11 | 华为技术有限公司 | Anti- short-circuit detecting device and user terminal |
| CN108027400B (en) * | 2016-04-28 | 2019-11-29 | 华为技术有限公司 | Anti- short-circuit detecting device and user terminal |
| US10910818B2 (en) | 2016-04-28 | 2021-02-02 | Huawei Technologies Co., Ltd. | Anti-short-circuit detection apparatus and user terminal |
| CN108508315A (en) * | 2017-02-27 | 2018-09-07 | 发那科株式会社 | Connect the connection circuit of equipment |
| CN107179446A (en) * | 2017-05-18 | 2017-09-19 | 纳思达股份有限公司 | Capacitance determining method and device |
| CN109004853A (en) * | 2018-07-27 | 2018-12-14 | 国网江苏省电力有限公司苏州供电分公司 | The submodule state monitoring method and device of modularization multi-level converter |
| CN112946459A (en) * | 2021-02-26 | 2021-06-11 | 天津中德应用技术大学 | Device and method for detecting short-circuit fault point of finished printed circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101738562B (en) | 2012-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101738562B (en) | Electric detection system for interface card | |
| US11070047B2 (en) | Overcurrent protection driving circuit and display apparatus | |
| CA2953838C (en) | Back-up power source apparatus in indoor unit, controlling method thereof and multi-split air conditioning system | |
| WO2012075077A2 (en) | Physical infrastructure management system having an integrated cabinet | |
| US9570929B2 (en) | Field device with a battery unit | |
| CN109391320A (en) | network switch system | |
| CN102541160A (en) | Mainboard | |
| CN104077202A (en) | Computer system | |
| US9065434B2 (en) | Input circuit for industrial control with low heat dissipation | |
| CN101630846B (en) | Low-voltage reactive power compensation switching device | |
| CN107422153A (en) | A kind of switch matrix and its self checking method | |
| CN108333499A (en) | A kind of detection method of substrate and external circuits bonding | |
| CN100507587C (en) | System for discharging electronic circuitry | |
| CN105634256B (en) | Self-discharge circuit | |
| CN102095997B (en) | Automatic detecting device and method for short-circuit exception of interior circuit and shell of optical module | |
| US20140347063A1 (en) | Fan test device | |
| US11287867B2 (en) | Power sequence monitoring system | |
| CN210742306U (en) | Short-circuit prevention makeup testing device | |
| CN102738662A (en) | Interface, electronic apparatus with interface and protection method thereof | |
| CN208580396U (en) | Data dump device and computer | |
| US8713392B2 (en) | Circuitry testing module and circuitry testing device | |
| CN104618009A (en) | Optical fiber tandem connection device hot backup protection system | |
| CN105630722B (en) | Electronic equipment and signal processing method | |
| CN219267737U (en) | Power supply activation circuit, control system of power supply equipment and electric equipment | |
| CN216774291U (en) | Power supply protection circuit and testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG HUABO ENTERPRISE MANAGEMENT CONSULTING C Free format text: FORMER OWNER: YINGYEDA CO., LTD., TAIWAN Effective date: 20150625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150625 Address after: 510640 Guangdong city of Guangzhou province Tianhe District gold Yinglu No. 1 was 1106 room two Patentee after: Guangdong Huabo Enterprise Management Consulting Co., Ltd. Address before: Taipei City, Taiwan, China Patentee before: Inventec Corporation |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yijiang Inventor after: Xu Jieming Inventor after: Zhou Chengqiang Inventor before: Wang Maoxing Inventor before: Zhang Tianchao Inventor before: Chen Xuantong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151102 Address after: 200002 No. 181 East Nanjing Road, Shanghai Patentee after: State Grid Shanghai Municipal Electric Power Company Address before: 510640 Guangdong city of Guangzhou province Tianhe District gold Yinglu No. 1 was 1106 room two Patentee before: Guangdong Huabo Enterprise Management Consulting Co., Ltd. |