US20130292107A1 - Power supply test system - Google Patents
Power supply test system Download PDFInfo
- Publication number
- US20130292107A1 US20130292107A1 US13/714,993 US201213714993A US2013292107A1 US 20130292107 A1 US20130292107 A1 US 20130292107A1 US 201213714993 A US201213714993 A US 201213714993A US 2013292107 A1 US2013292107 A1 US 2013292107A1
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- United States
- Prior art keywords
- terminal
- electrically connected
- switch
- module
- power supply
- 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.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
Definitions
- the present disclosure relates to a power supply test system for testing reliability of a power supply.
- Computer power supplies are capable of rectifying alternating current into direct current.
- the reliability of a power supply is measured by comparing the input and output voltages of the power supplies. Burn in testing is an important test in determining the reliability of the power supply.
- a typical burn in test uses a test chamber to test a power supply under different temperatures. However, the typical test chamber uses thermal resistors to heat the power supply. The temperature increases slowly and the temperature control may not be precise.
- FIG. 1 is a block diagram of an embodiment of a power supply test system, the system including a switch module, a temperature detecting unit, a control module, a refrigerating and heating module, a decoding module, a display module, a display module, and a power module.
- FIG. 2 is a circuit diagram of the switch module, the temperature detecting unit, and the control module of FIG. 1 .
- FIG. 3 is a circuit diagram of the refrigerating and heating module and the power module of FIG. 1 .
- FIG. 4 is a circuit diagram of the decoding module and the display module of FIG. 1 .
- FIG. 1 illustrates a power supply test system in accordance with an embodiment.
- the power supply test system is adapted to test reliability of a power supply 810 under a predetermined temperature in a test chamber 800 .
- the power supply test system includes a switch module 100 , a temperature detecting unit 200 , a control module 300 , a refrigerating and heating module 400 , a decoding module 500 , a display module 600 , and a power module 700 .
- the switch module 100 is adapted to input a predetermined temperature value in the control module 300 .
- the temperature detecting unit 200 is adapted to detect temperature signals in the test chamber 800 and transmit the temperature signals to the control module 300 .
- the control module 300 transmits a first control signal to the refrigerating and heating module 400 and the refrigerating and heating module 400 heats the test chamber 800 .
- the control module 300 transmits a second control signal to the refrigerating and heating module 400 , and the refrigerating and heating module 400 refrigerates the test chamber 800 until the value of the temperature signal is equal to the predetermined temperature value.
- the power module 700 is adapted to provide working voltages to the refrigerating and heating module 400 .
- the temperature detecting unit 200 and the refrigerating and heating module 400 are positioned in the test chamber 800 .
- FIG. 2 to FIG. 4 illustrate a circuit diagram of the switch module 100 , the temperature detecting unit 200 , the control module 300 , the refrigerating and heating module 400 , the decoding module 500 , the display module 600 , and the power module 700 .
- the switch module 100 includes a plurality of push buttons S 0 -S 9 .
- the control module 300 includes a micro controller 310 and a single-pole double-throw (SPDT) S 10 .
- the micro controller 310 includes a plurality of first control signal output terminals PA 0 , PA 2 , PA 4 , PA 6 , a plurality of second control signal output terminals PA 1 , PA 3 , PA 5 , PA 7 .
- the SPDT S 10 includes a first terminal, a second terminal, and a third terminal.
- the temperature detecting unit 200 transmits the temperature signals to the control module 300 by the temperature signal input terminal PC 0 .
- First terminals of the push buttons S 0 and S 5 are electrically connected to the data input terminal PC 1 .
- First terminals of the push buttons S 1 and S 6 are electrically connected to the data input terminal PC 2 .
- First terminals of the push buttons S 2 and S 7 are electrically connected to the data input terminal PC 3 .
- First terminals of the push buttons S 3 and S 8 are electrically connected to the data input terminal PC 4 .
- First terminals of the push buttons S 4 and S 9 are electrically connected to the data input terminal PC 5 .
- Second terminals of the push buttons S 0 -S 4 are electrically connected to the data input terminal PC 6 .
- Second terminals of the push buttons S 5 -S 9 are electrically connected to the data input terminal PC 7 .
- the refrigerating and heating module 400 includes a plurality of relay control units 410 and refrigerating and heating units 420 .
- Each of the plurality of relay control units 410 includes a first winding unit M 1 , a second winding unit M 2 , a first switch unit K 1 , a second switch unit K 2 , a third switch unit K 3 , and a fourth switch unit K 4 .
- First terminals of each first winding unit M 1 are electrically connected to the first control signal output terminals PA 0 , PA 2 , PA 4 , PA 6 to receive the first control signal.
- Second terminals of each first winding unit M 1 receive a first DC voltage.
- First terminals of the first switch units K 1 and the second switch units K 2 of the plurality of relay control units 410 are electrically connected to the power module 700 to receive a second DC voltage.
- First terminals of each first switch unit K 1 are electrically connected to an anode of the second DC voltage.
- First terminals of each second switch unit K 2 are electrically connected to a cathode of the second DC voltage.
- Second terminals of the first switch units K 1 and the second switch units K 2 of the plurality of relay control units 410 are electrically connected to the refrigerating and heating units 420 .
- First terminals of each second winding unit M 2 are electrically connected to the second control signal output terminals PA 1 , PA 3 , PA 5 , PA 7 to receive the second control signal.
- Second terminals of each second winding unit M 2 receive the first DC voltage.
- First terminals of each third switch unit K 3 are electrically connected to the cathode of the second DC voltage.
- First terminals of each fourth switch unit K 4 are electrically connected to the anode of the second DC voltage.
- Second terminals of the third switch units K 3 and the fourth switch units K 4 of the plurality of relay control units 410 are electrically connected to the refrigerating and heating units 420 .
- the first DC voltage is +5V.
- the decoding module 500 includes a plurality of registers U 0 -U 3 .
- Each of the plurality of registers U 0 -U 3 includes two serial data input terminals a 1 , a 2 , a clock signal input terminal a 3 and a plurality of digital signal output terminals b 1 -b 8 .
- the serial data input terminals a 1 , a 2 of the register U 0 are electrically connected to the serial data signal output terminal PB 0 of the micro controller 310 .
- the serial data input terminals a 1 , a 2 of the register U 1 are electrically connected to the digital signal output terminal b 8 of the register U 0 .
- the serial data input terminals a 1 , a 2 of the register U 2 are electrically connected to the digital signal output terminal b 8 of the register U 1 .
- the serial data input terminals a 1 , a 2 of the register U 3 are electrically connected to the digital signal output terminal b 8 of the register U 2 .
- the clock signal input terminals a 3 of the plurality of registers U 0 -U 3 are electrically connected to the clock signal output terminal PB 1 of the micro controller 310 .
- the first terminal and the second terminal of the SPDT S 10 are electrically connected to the first switch output terminal PB 2 and the second switch output terminal PB 3 of the micro controller 310 .
- the third terminal of the SPDT S 10 is electrically connected to the clock signal input terminals a 3 of the plurality of registers U 0 -U 3 .
- the display module 600 includes a plurality of eight-segment numeral tubes D 0 -D 3 .
- Each of the plurality of eight-segment numeral tubes D 0 -D 3 includes a plurality of digital signal input terminals c 1 -c 8 .
- the plurality of digital signal input terminals c 1 -c 8 of the plurality of eight-segment numeral tubes D 0 -D 3 are electrically connected to the plurality of digital signal output terminals b 1 -b 8 of the plurality of registers U 0 -U 3 .
- the power module 700 includes a plurality of voltage decreasing circuits 710 and rectification circuits 720 .
- Each of the plurality of voltage decreasing circuits 710 includes a transformer T.
- Each of the plurality of rectification circuits 720 includes four diodes electrically connected together end to end.
- Each of the plurality of voltage decreasing circuits 710 receives a 220V AC voltage signal and converts the 220V AC voltage signal to a 16V AC voltage signal.
- Each of the plurality of rectification circuits 720 receives the 16V AC voltage signal and converts the 16V AC voltage signal to a +16V second DC voltage.
- the +16V second DC voltage is provided to the refrigerating and heating units 420 .
- the power supply 810 is put in the test chamber 800 .
- the plurality of push buttons S 0 -S 9 is pushed to input the predetermined temperature value in the micro controller 310 .
- the plurality of push buttons S 0 -S 9 represents numbers 0-9 respectively.
- the temperature detecting unit 200 detects the temperature signals in the test chamber 800 , and transmits the temperature signals to the micro controller 310 via the temperature signal input terminal PC 0 .
- the micro controller 310 compares the value of the temperature signal with the predetermined temperature value.
- the plurality of second control signal output terminals PA 1 , PA 3 , PA 5 , PA 7 of the micro controller output low voltage level second control signals to the second winding units M 2 .
- the second winding units M 2 are powered on to close the third switch units K 3 and the fourth switch unit K 4 .
- the refrigerating and heating units 420 receive an inverted second DC voltage and generate heat.
- the temperature in the test chamber 800 increases as the refrigerating and heating units 420 generate heat.
- the first control signal output terminals PA 0 , PA 2 , PA 4 , PA 6 of the micro controller 310 output low voltage level first control signals to the first winding units M 1 .
- the first winding units M 1 are powered on to close the first switch units K 1 and the second switch units K 2 .
- the refrigerating and heating units 420 receive the second DC voltage and refrigerate in the test chamber 800 until the value of the temperature signal is equal to the predetermined temperature value.
- At least one of the first control signal output terminals PA 0 , PA 2 , PA 4 , PA 6 and the second control signal output terminals PA 1 , PA 3 , PA 5 , PA 7 of the micro controller 310 outputs a high voltage level control signal to the first winding unit M 1 and the second winding unit M 2 .
- At least one of the first control signal output terminals PA 0 , PA 2 , PA 4 , PA 6 and the second control signal output terminals PA 1 , PA 3 , PA 5 , PA 7 is powered off to open the switch units K 1 -K 4 .
- the value of the temperature signal keeps the predetermined temperature value in the test chamber 800 .
Abstract
Description
- 1. Technical Field
- The present disclosure relates to a power supply test system for testing reliability of a power supply.
- 2. Description of Related Art
- Computer power supplies are capable of rectifying alternating current into direct current. The reliability of a power supply is measured by comparing the input and output voltages of the power supplies. Burn in testing is an important test in determining the reliability of the power supply. A typical burn in test uses a test chamber to test a power supply under different temperatures. However, the typical test chamber uses thermal resistors to heat the power supply. The temperature increases slowly and the temperature control may not be precise.
- Therefore there is a need for improvement in the art.
- Many aspects of the embodiments can be better understood with reference to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the embodiments. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.
-
FIG. 1 is a block diagram of an embodiment of a power supply test system, the system including a switch module, a temperature detecting unit, a control module, a refrigerating and heating module, a decoding module, a display module, a display module, and a power module. -
FIG. 2 is a circuit diagram of the switch module, the temperature detecting unit, and the control module ofFIG. 1 . -
FIG. 3 is a circuit diagram of the refrigerating and heating module and the power module ofFIG. 1 . -
FIG. 4 is a circuit diagram of the decoding module and the display module ofFIG. 1 . - The disclosure is illustrated by way of example and not by way of limitation in the figures of the accompanying drawings in which like references indicate similar elements. It should be noted that references to “an” or “one” embodiment in this disclosure are not necessarily to the same embodiment, and such references mean “at least one”.
-
FIG. 1 illustrates a power supply test system in accordance with an embodiment. The power supply test system is adapted to test reliability of apower supply 810 under a predetermined temperature in atest chamber 800. The power supply test system includes aswitch module 100, atemperature detecting unit 200, acontrol module 300, a refrigerating andheating module 400, adecoding module 500, adisplay module 600, and apower module 700. Theswitch module 100 is adapted to input a predetermined temperature value in thecontrol module 300. Thetemperature detecting unit 200 is adapted to detect temperature signals in thetest chamber 800 and transmit the temperature signals to thecontrol module 300. When a value of the temperature signal is less than the predetermined temperature value, thecontrol module 300 transmits a first control signal to the refrigerating andheating module 400 and the refrigerating andheating module 400 heats thetest chamber 800. When the value of the temperature signal is greater than the predetermined temperature value, thecontrol module 300 transmits a second control signal to the refrigerating andheating module 400, and the refrigerating andheating module 400 refrigerates thetest chamber 800 until the value of the temperature signal is equal to the predetermined temperature value. Thepower module 700 is adapted to provide working voltages to the refrigerating andheating module 400. In one embodiment, thetemperature detecting unit 200 and the refrigerating andheating module 400 are positioned in thetest chamber 800. -
FIG. 2 toFIG. 4 illustrate a circuit diagram of theswitch module 100, thetemperature detecting unit 200, thecontrol module 300, the refrigerating andheating module 400, thedecoding module 500, thedisplay module 600, and thepower module 700. Theswitch module 100 includes a plurality of push buttons S0-S9. Thecontrol module 300 includes amicro controller 310 and a single-pole double-throw (SPDT) S10. Themicro controller 310 includes a plurality of first control signal output terminals PA0, PA2, PA4, PA6, a plurality of second control signal output terminals PA1, PA3, PA5, PA7. A serial data signal output terminal PB0, a clock signal output terminal PB1, a first switch output terminal PB2, a second switch output terminal PB3, a temperature signal input terminal PC0, and a plurality of data input terminals PC1-PC7. The SPDT S10 includes a first terminal, a second terminal, and a third terminal. Thetemperature detecting unit 200 transmits the temperature signals to thecontrol module 300 by the temperature signal input terminal PC0. First terminals of the push buttons S0 and S5 are electrically connected to the data input terminal PC1. First terminals of the push buttons S1 and S6 are electrically connected to the data input terminal PC2. First terminals of the push buttons S2 and S7 are electrically connected to the data input terminal PC3. First terminals of the push buttons S3 and S8 are electrically connected to the data input terminal PC4. First terminals of the push buttons S4 and S9 are electrically connected to the data input terminal PC5. Second terminals of the push buttons S0-S4 are electrically connected to the data input terminal PC6. Second terminals of the push buttons S5-S9 are electrically connected to the data input terminal PC7. - The refrigerating and
heating module 400 includes a plurality ofrelay control units 410 and refrigerating andheating units 420. Each of the plurality ofrelay control units 410 includes a first winding unit M1, a second winding unit M2, a first switch unit K1, a second switch unit K2, a third switch unit K3, and a fourth switch unit K4. First terminals of each first winding unit M1 are electrically connected to the first control signal output terminals PA0, PA2, PA4, PA6 to receive the first control signal. Second terminals of each first winding unit M1 receive a first DC voltage. First terminals of the first switch units K1 and the second switch units K2 of the plurality ofrelay control units 410 are electrically connected to thepower module 700 to receive a second DC voltage. First terminals of each first switch unit K1 are electrically connected to an anode of the second DC voltage. First terminals of each second switch unit K2 are electrically connected to a cathode of the second DC voltage. Second terminals of the first switch units K1 and the second switch units K2 of the plurality ofrelay control units 410 are electrically connected to the refrigerating andheating units 420. - First terminals of each second winding unit M2 are electrically connected to the second control signal output terminals PA1, PA3, PA5, PA7 to receive the second control signal. Second terminals of each second winding unit M2 receive the first DC voltage. First terminals of each third switch unit K3 are electrically connected to the cathode of the second DC voltage. First terminals of each fourth switch unit K4 are electrically connected to the anode of the second DC voltage. Second terminals of the third switch units K3 and the fourth switch units K4 of the plurality of
relay control units 410 are electrically connected to the refrigerating andheating units 420. In one embodiment, the first DC voltage is +5V. - The
decoding module 500 includes a plurality of registers U0-U3. Each of the plurality of registers U0-U3 includes two serial data input terminals a1, a2, a clock signal input terminal a3 and a plurality of digital signal output terminals b1-b8. The serial data input terminals a1, a2 of the register U0 are electrically connected to the serial data signal output terminal PB0 of themicro controller 310. The serial data input terminals a1, a2 of the register U1 are electrically connected to the digital signal output terminal b8 of the register U0. The serial data input terminals a1, a2 of the register U2 are electrically connected to the digital signal output terminal b8 of the register U1. The serial data input terminals a1, a2 of the register U3 are electrically connected to the digital signal output terminal b8 of the register U2. The clock signal input terminals a3 of the plurality of registers U0-U3 are electrically connected to the clock signal output terminal PB1 of themicro controller 310. The first terminal and the second terminal of the SPDT S10 are electrically connected to the first switch output terminal PB2 and the second switch output terminal PB3 of themicro controller 310. The third terminal of the SPDT S10 is electrically connected to the clock signal input terminals a3 of the plurality of registers U0-U3. - The
display module 600 includes a plurality of eight-segment numeral tubes D0-D3. Each of the plurality of eight-segment numeral tubes D0-D3 includes a plurality of digital signal input terminals c1-c8. The plurality of digital signal input terminals c1-c8 of the plurality of eight-segment numeral tubes D0-D3 are electrically connected to the plurality of digital signal output terminals b1-b8 of the plurality of registers U0-U3. - The
power module 700 includes a plurality ofvoltage decreasing circuits 710 andrectification circuits 720. Each of the plurality ofvoltage decreasing circuits 710 includes a transformer T. Each of the plurality ofrectification circuits 720 includes four diodes electrically connected together end to end. Each of the plurality ofvoltage decreasing circuits 710 receives a 220V AC voltage signal and converts the 220V AC voltage signal to a 16V AC voltage signal. Each of the plurality ofrectification circuits 720 receives the 16V AC voltage signal and converts the 16V AC voltage signal to a +16V second DC voltage. The +16V second DC voltage is provided to the refrigerating andheating units 420. - In a working state, the
power supply 810 is put in thetest chamber 800. The plurality of push buttons S0-S9 is pushed to input the predetermined temperature value in themicro controller 310. The plurality of push buttons S0-S9 represents numbers 0-9 respectively. Thetemperature detecting unit 200 detects the temperature signals in thetest chamber 800, and transmits the temperature signals to themicro controller 310 via the temperature signal input terminal PC0. Themicro controller 310 compares the value of the temperature signal with the predetermined temperature value. When thetemperature detecting unit 200 detects the value of the temperature signal is less than the predetermined temperature value, the plurality of second control signal output terminals PA1, PA3, PA5, PA7 of the micro controller output low voltage level second control signals to the second winding units M2. The second winding units M2 are powered on to close the third switch units K3 and the fourth switch unit K4. The refrigerating andheating units 420 receive an inverted second DC voltage and generate heat. - The temperature in the
test chamber 800 increases as the refrigerating andheating units 420 generate heat. When thetemperature detecting unit 200 detects the value of the temperature signal is greater than the predetermined temperature value, the first control signal output terminals PA0, PA2, PA4, PA6 of themicro controller 310 output low voltage level first control signals to the first winding units M1. The first winding units M1 are powered on to close the first switch units K1 and the second switch units K2. The refrigerating andheating units 420 receive the second DC voltage and refrigerate in thetest chamber 800 until the value of the temperature signal is equal to the predetermined temperature value. At least one of the first control signal output terminals PA0, PA2, PA4, PA6 and the second control signal output terminals PA1, PA3, PA5, PA7 of themicro controller 310 outputs a high voltage level control signal to the first winding unit M1 and the second winding unit M2. At least one of the first control signal output terminals PA0, PA2, PA4, PA6 and the second control signal output terminals PA1, PA3, PA5, PA7 is powered off to open the switch units K1-K4. The value of the temperature signal keeps the predetermined temperature value in thetest chamber 800. - Even though numerous characteristics and advantages of the present disclosure have been set forth in the foregoing description, together with details of the structure and function of the disclosure, the disclosure is illustrative only, and changes may be made in detail, especially in the matters of shape, size, and arrangement of parts within the principles of the disclosure to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (20)
Applications Claiming Priority (2)
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CN2012101341536A CN103383438A (en) | 2012-05-03 | 2012-05-03 | Power supply testing system |
CN201210134153.6 | 2012-05-03 |
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US20130292107A1 true US20130292107A1 (en) | 2013-11-07 |
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US13/714,993 Abandoned US20130292107A1 (en) | 2012-05-03 | 2012-12-14 | Power supply test system |
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US (1) | US20130292107A1 (en) |
CN (1) | CN103383438A (en) |
TW (1) | TW201346273A (en) |
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TWI561840B (en) * | 2015-12-18 | 2016-12-11 | Giga Byte Tech Co Ltd | Device and method for testing power supply |
Citations (2)
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US20110169521A1 (en) * | 2010-01-13 | 2011-07-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Testing system for power supply unit |
US20130277036A1 (en) * | 2012-04-24 | 2013-10-24 | Hon Hai Precision Industry Co., Ltd. | Power supply test system |
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CN102129262A (en) * | 2010-01-20 | 2011-07-20 | 鸿富锦精密工业(深圳)有限公司 | Temperature control system |
CN102169618A (en) * | 2010-02-26 | 2011-08-31 | 鸿富锦精密工业(深圳)有限公司 | Temperature control alarm circuit |
CN102200788A (en) * | 2010-03-24 | 2011-09-28 | 鸿富锦精密工业(深圳)有限公司 | Temperature control device as well as temperature control system and temperature control method thereof |
CN102310808A (en) * | 2010-06-30 | 2012-01-11 | 鸿富锦精密工业(深圳)有限公司 | Vehicle lamp working condition monitoring circuit |
-
2012
- 2012-05-03 CN CN2012101341536A patent/CN103383438A/en active Pending
- 2012-05-22 TW TW101118090A patent/TW201346273A/en unknown
- 2012-12-14 US US13/714,993 patent/US20130292107A1/en not_active Abandoned
Patent Citations (2)
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US20110169521A1 (en) * | 2010-01-13 | 2011-07-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Testing system for power supply unit |
US20130277036A1 (en) * | 2012-04-24 | 2013-10-24 | Hon Hai Precision Industry Co., Ltd. | Power supply test system |
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TW201346273A (en) | 2013-11-16 |
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