WO2013110333A1 - Coupleur c5/c6 mince - Google Patents

Coupleur c5/c6 mince Download PDF

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Publication number
WO2013110333A1
WO2013110333A1 PCT/EP2012/051207 EP2012051207W WO2013110333A1 WO 2013110333 A1 WO2013110333 A1 WO 2013110333A1 EP 2012051207 W EP2012051207 W EP 2012051207W WO 2013110333 A1 WO2013110333 A1 WO 2013110333A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
housing
earth
inlet
earth spring
Prior art date
Application number
PCT/EP2012/051207
Other languages
English (en)
Inventor
Yuanwen Mo
Mui Lian Jessica Toh
Original Assignee
Volex Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volex Plc filed Critical Volex Plc
Priority to EP12708729.4A priority Critical patent/EP2807707A1/fr
Priority to CN201280070849.5A priority patent/CN104471801A/zh
Priority to PCT/EP2012/051207 priority patent/WO2013110333A1/fr
Priority to JP2014553624A priority patent/JP2015510224A/ja
Publication of WO2013110333A1 publication Critical patent/WO2013110333A1/fr
Priority to HK15109375.9A priority patent/HK1208766A1/xx

Links

Classifications

    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/6485—Electrostatic discharge protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/70—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • a first advantage of a slim 3 terminal C6 AC inlet (from herein “slim inlet”) for a slim C5 connector (from herein “slim connector”) in accordance with an embodiment is that the housing of the Slim inlet has a slim profile that allows the housing to be incorporated into slim electronic devices.
  • a second advantage of a slim connector in accordance with an embodiment is that an earth pin that does not contact the housing is provided to meet the necessary safety requirements for consumer use.
  • a third advantage of a slim connector is that the housing of the Slim inlet and/or configuration of the pins prevents other types of connectors from being connected to embodiments of the slim inlet.
  • a slim inlet includes a housing having a front side and a back side.
  • a recessed cavity is formed in a surface of the front side of the housing.
  • the recessed cavity has a first substantially circular portion on a first side of the cavity, a second substantially circular portion on a second side of the cavity, a substantially indented channel connecting the first and second substantially circular portions, and an elongated trench recessed in a sidewall of the substantially indented channel.
  • the slim inlet has a live pin, a neutral pin and an earth pin.
  • the live pin is substantially cylindrical and has a first end that protrudes out of the housing into a first one of the first and second substantially circular portions of the cavity.
  • the neutral pin is also substantially cylindrical and has a first end that protrudes out of the housing into a second one of the first and second substantially circular portions of the cavity.
  • the earth pin is substantially flat and made of a bendable conductive material.
  • the earth pin has a first end that protrudes out of the housing into the elongated trench in the side wall of the indented portion of the cavity and is configured to be deflectable in the trench.
  • the earth pin is further configured in the trench such that the portion of the earth pin in the trench does not contact a surface of the trench when the pin is deflected.
  • the earth pin has a hook portion.
  • the hook portion extends out from the first end of the earth pin distal from the housing and folds under the first end of the pin.
  • the hook portion further includes a raised portion that juts out from the trench.
  • the earth pin also protrudes further out of the housing than the live pin and the neutral pin to facilitate make-first-and-break-last earth contact with a slim connector.
  • the earth pin may have a second end that protrudes out of an opening in the second side of the housing.
  • the live pin and/or neutral pin are configured in the following manner.
  • the pin has a body having a first end and a second end. The first end protrudes out of the housing into one of the substantially circular portions of the recessed cavity in the first side of the housing.
  • a contact pad is connected to the second side of the pin and is exposed through an opening in the second side of the housing.
  • the contact pad includes a flat base that rests on the second end of the pin in a plane substantially perpendicular to a longitudinal axis of the pin.
  • a projection extends outward from an end of the base in a plane substantially parallel to the longitudinal axis of the pin in a direction that is distal from the pin body. Furthermore, the projection may have an end that extends out of the opening in the back side of the housing. The exposed end of the projection may include an aperture to facilitate connections.
  • the recessed cavity prevents other types of connectors from being connected to the live pin and the neutral pin in the housing.
  • the live pin and the neutral pin are spaced apart in the housing to prevent other types of connector from being connected to the pins in the housing.
  • a two pin connector is a connector that only provides a connection between a live pin and a neutral pin through the connector.
  • FIG. 1 Figure 2 illustrating a back perspective view of the embodiment of the slim inlet shown in Figure 1;
  • FIG. 3 illustrating an isolated view of a second end of a pin in accordance with the embodiment of the slim inlet shown in Figure 1;
  • FIG. 7 illustrating a detailed, cross-sectional view of an embodiment of a slim connector being inserted into a slim inlet
  • FIGS 8A-8C illustrating an earth spring with a number of deficiencies, including a high impact angle between the earth spring of a slim inlet and the corresponding earth contact of a slim connector;
  • Figure 9 illustrating a partial cross-sectional view of a slim connector having an earth contact that violates International Electrotechnical Commission guidelines
  • Figures 10A and 10B illustrating a detailed view of an earth spring in accordance with an embodiment, the earth spring having a hook shaped end that reduces the impact angle between the earth spring of a slim inlet and the corresponding earth contact of a slim connector;
  • Figures 12A and 12B illustrating a partial, cross-sectional view of the earth spring from Figure 10A when partially assembled and when fully assembled in the housing of the slim inlet;
  • FIG. 13 illustrating the profiles of the earth spring from Figure 8A and the earth spring from Figure 10A;
  • FIG. 14 illustrating a slim C5 connector in accordance with an embodiment
  • Figure 15 illustrating a partial, cross-sectional view of the slim connector from Figure 14, showing that the earth contact of the slim connector is not supported by insulation;
  • Figure 16 illustrating a partial, top-down view of the front end of the slim connector from Figure 14.
  • An embodiment relates to a C5/C6 coupler having a shape and size substantially equivalent to C7/C8 coupler. More particularly, an embodiment relates to a power supply cord that provides an earth connection to the cord. Still more particularly, an
  • a slim inlet that provides a make-first-and-break- last earth connection and prevents incompatible cords, i.e., different type of connectors, from being connected to the slim inlet.
  • a slim inlet includes an AC inlet for a connector having a contact surface that is about 22 mm or less in width, and about 15 mm or less in height.
  • changes to these dimensions can be made without departing from the present disclosure.
  • the C6 inlet has a shape and size substantially equivalent to the shape and size of a C8 inlet, the actual dimensions may differ from those presented above.
  • Figure 1 illustrates slim inlet 100 in accordance with an embodiment.
  • Slim inlet 100 includes housing 110 having front side 115 and back side 116.
  • Housing 110 is made of plastic or some other form of non-conducting material.
  • Housing 110 is shown to have a substantially cubic shape; however, one skilled in the art will recognize that housing 110 may be other geometrical shapes without departing from the disclosure.
  • Housing 110 can have a width of about 22 mm or less, a height of about 15 mm or less, and a length of about 15 mm or less, but as noted above, other sizes are possible without departing from the disclosure.
  • Embodiments of the slim inlet 100 provide an advantage over a traditional three pin C5/C6 coupler in that the smaller dimensions enable the slim inlet to be integrated into slimmer and smaller electronic devices.
  • Housing 110 includes recessed cavity 120 formed therein that starts or opens from the front side 115 of housing 110.
  • Recessed cavity 120 extends about 10 mm deep from the surface of front side 115.
  • Recessed cavity 120 includes two recessed portions formed by its side walls, a first substantially circular portion 122 formed on a first side of recessed cavity 120, and a second substantially circular portion 123 formed on a second side of recessed cavity 120.
  • the housing 110 includes a truncated, substantially V-shaped portion 124 that extends between the first and second substantially circular portions 122 and 123 and helps to give portions 122 and 123 their substantially circular shape.
  • the recessed cavity 120 also includes an indented portion or channel 125 opposite the V-shaped portion 124 formed between the first and second substantially circular portions 122 and 123.
  • recessed cavity 120 is shaped so as to prevent other types of connectors (for safety purposes) from being used in conjunction with slim inlet 100.
  • a CI connector or a C7 connector would not fit into recessed cavity 120 to prevent pins in these connectors from contacting the pins inside recessed cavity 120.
  • Embodiments of the slim inlet also reject mating from other existing connectors by using a widened power pin pitch and a mismatched profile.
  • Trench 127 is an indenture formed in one of the side walls of indented portion 125 of recessed cavity 120.
  • Trench 127 is approximately 3 mm wide and 1.3 mm in height.
  • the exact sizing of trench 127 can be determined such that flexible earth spring 150, further described below, does not touch a sidewall of the trench 127 even when flexible earth spring 150 is at a maximum deflection.
  • the exact sizing of trench 127 must be determined based upon the shape, length and elasticity of earth spring 150 and is left as a design choice to those skilled in the art.
  • live pin 130 and neutral pin 140 protrude into the recessed cavity 120 from the back side 116 of housing 110. Live pin 130 protrudes into the first substantially circular portion 122 and neutral pin 140 protrudes into the second substantially circular portion 123.
  • live pin 130 protrudes into the first substantially circular portion 122 and neutral pin 140 protrudes into the second substantially circular portion 123.
  • the configuration of the pins in the housing may be interchanged without departing from this
  • Earth spring 150 has a first portion that extends out from the back side
  • Earth spring 150 is formed from a piece of flexible conductive material.
  • the shape of earth spring 150 is more fully described below, but its shape and design allows the earth spring 150 to flex or deflect within trench 127 in response to an appropriate connector being inserted in to the housing 110 of slim inlet 100.
  • earth spring 150 can be sized such that earth spring 150 does not contact any surface of trench 127 even when earth spring 150 reaches a maximum deflection.
  • the protruding end of earth spring 150 can include a hook, such as illustrated in reference to Figure 4. The hook is a portion of the pin that folds under the first portion to facilitate contact with the earth pin contact of an inserted connector.
  • the hook can include a hump or portion of pin that juts upward from a top surface of earth spring 150 to facilitate make-first-and-break-last contact with the earth pin contact of an inserted connector.
  • earth spring 150 can also protrude further out of the housing in recessed cavity 120 than both live pin 130 and neutral pin 140.
  • Figure 2 illustrates a rear view of slim inlet 100. Openings 132 and 142 are formed in back side 116 of housing 110. Opening 132 exposes contact pad 135 on the second end of live pin 130 and opening 142 exposes contact pad 145 on the second end of neutral pin 140.
  • Contact pads 135 and 145 are each a flat piece of conductive material affixed to the second ends of live pin 130 and neutral pin 140, respectively. Contact pads 135 and 145 are oriented such that the surface of contact pads 135 and 145 are each substantially perpendicular to the longitudinal axis of the respective pins. As shown, each contact pad 135 and 145 may have a projection 136, 146 that extends outward from an end of the contact pad 135 and 145.
  • Each projection 136, 146 extends outward from the pad in a plane substantially parallel to the longitudinal axis of the pins. Further each projection 136, 146 may have an opening 138, 148 defined in the projection to facilitate connections. A second end of earth pin 150 may also extend out of a bottom end of back side 116 and may also have an opening defined in the exposed end to facilitate a connection.
  • Figure 3 illustrates a view of a second end of an exemplary live pin 130 and/or neutral pin 140.
  • an o-ring 310 may be affixed to the second end of the pin proximate the contact pad 135, 145.
  • O-ring 310 allows the pin to be press fit into an opening through the housing to secure the pin in place in the housing.
  • the use of the O-ring allows each pin to be inserted into the housing without contacting any surface of housing 110 to meet various safety requirements.
  • Figure 4 illustrates a cross sectional view of a second mating slim connector 405 about to be inserted into slim inlet 100, with housing 116 not shown to better illustrate the interaction between the earth spring 150 and pin 130, 140 of slim inlet 100 and the corresponding earth pin contact 402 and power socket 400 of the mating connector 405.
  • earth spring 150 makes contact with the earth pin contact 402 of the connector 405 being inserted into slim inlet 100 prior to any connection of the live and neutral pins with the respective live and neutral power sockets. This ensures that the circuit is grounded prior to the electrical connection being made between the Slim inlet and the connector (or plug) for safety reasons.
  • earth spring 150 will maintain contact with the earth pin contact 402 of the slim inlet 100 until after the live and neutral pins from the slim inlet 100 are separated from the corresponding live and neutral power sockets of the connector 405.
  • Figures 5 and 6 further illustrate cross sectional views of a connector
  • Figure 7 illustrates a cross-sectional view of a slim connector 700 being inserted into slim inlet 100.
  • the live pin 130 and neutral pin 140 of the slim inlet 100 makes contact with the corresponding power socket 702 of connector 700, representing a live terminal and a neutral terminal.
  • the earth spring 150 is positioned on the trench formed along the bottom of the slim inlet 100 and makes contact with the earth contact 704 of the connector 700 prior to the pin 130,140 coming in contact with the corresponding power socket 702.
  • the size of the power pin can be the same as the size of the power pin in a standard C8 inlet.
  • the size of the power socket and the recess distance can be the same as the size and the recess distance of a standard C7 connector.
  • the earth spring 150 and the earth contact of the corresponding connector are clear from the power pins by more than about 4mm. In the embodiment illustrated in Figure 7, the earth spring 150 and the earth contact 704 of the corresponding connector are clear from the power pins by no less than about 2mm. As noted above, embodiments can deviate from the above mentioned dimensions without departing from the true spirit of the invention.
  • Figures 8A-C illustrate views of a design of an earth spring 800 that is not preferred for a number of reasons.
  • the impact angle of earth spring 800 with the corresponding earth contact of a slim connector, such as the earth contact 706 of slim connector 700 is designed to be about 64 degrees. This high impact angle can cause the earth spring 800 to malfunction due to the earth spring 800 buckling or deforming, as illustrated in Figure 8C, when the slim connector 700 is inserted into the slim inlet 100.
  • the earth spring 800 also does not have a locking mechanism that retains the earth spring 800 in housing 110.
  • the earth spring 800 has no support that presses the earth spring 800 into the housing 110, directly pushing the earth spring 800 can cause deformation of the earth spring 800.
  • Figure 8B further illustrates the earth spring 800 from Figure 8A making contact with the earth pin contact 704 from slim connector 700 when being inserted into the slim inlet 100.
  • Figure 8C illustrates that the impact angle for earth spring 800 is about 64 degrees, which combined with the insertion force of the connector 700 being inserted into the slim inlet 100, results in the earth spring 800 bending and causing the earth spring 800 to malfunction.
  • Figure 9 also illustrates a partial cross-sectional view of a connector 900 having an earth contact 902 that is not preferred because it does not comply with International Electrotechnical Commission (IEC) guidelines.
  • the earth contact 902 of the connector 900 is supported by insulation 904.
  • the earth contact of a connector cannot be supported by insulation at the contact portion.
  • Embodiments disclosed herein address the high impact angle of the earth spring in a slim inlet as illustrated in Figures 8A-C and provide a slim connector that does not support the earth contact with insulation as illustrated in Figure 9.
  • FIG. 10A illustrates earth spring 150 in accordance with such embodiments.
  • the earth spring 150 is comprised of a linearly, upward sloping portion attached, via a slightly curved and top most portion 1006, to a substantially rectangular hook shaped portion or end 1004.
  • Other shapes can be used for the hook shaped portion 1004 aside from a substantially rectangular shape, as long as such other shapes do not result in the earth spring 150 catching on some portion of the slim connector when the slim connector is inserted or removed.
  • the earth pin contact 1002 of the slim connector makes an initial contact with the leading edge of the hook shaped portion 1004.
  • the design of the earth spring 150 including the shape and orientation of the hook portion, reduces the impact angle between the earth spring 150 and the earth pin contact 1002.
  • Figure 10B illustrates that the design of the earth spring 150 has an impact angle of approximately 30 degrees, although the impact angle could be any angle between approximately 0 degrees and approximately 45 degrees.
  • the earth spring 150 is pushed down and biased upward, thereby maintaining a connection between the earth spring 150 of the slim inlet and the earth contact 1002 of the slim connector.
  • Figure 11 illustrates a partial, bottom view of earth spring 150 assembled in slim inlet 100.
  • Embodiments of the earth spring 150 can further comprise a latch lock 1010 that helps retain the earth spring 150 in its position and prevents the earth spring 150 from moving due to insertion forces.
  • Figure 12A illustrates a partial, cross-sectional view of the earth spring
  • FIG. 12B illustrates a partial, cross-sectional view of the earth spring 150 when fully inserted into housing 110.
  • the stopping hook 1020 retains the earth spring 150 in its position and prevents the earth spring 150 from moving in response to the slim connector being inserted into the housing 110 of slim inlet 100. As indicated above, the support provided by the stopping hook 1020 prevents the earth spring 150 from deforming due to the insertion forces of the slim connector.
  • Figure 13 compares the profile of earth spring 800, having an impact angle of about 64 degrees, and the profile of an embodiment of the improved earth spring 150, having an impact angle of about 30 degrees, although the impact angle could be any angle between approximately 0 degrees and approximately 45 degrees.
  • the contact point between the earth spring 150 and the earth contact of the slim connector is at the top most point 1006 of the hook portion (hook shaped end) of the earth spring 150.
  • the contact point is relatively further out at contact point 810.
  • Figure 14 illustrates a slim C5 connector 1400 in accordance with an embodiment.
  • connector 1400 includes an earth contact 1402 that is not supported by the insulation of the front end 1404 of connector 1400.
  • Figure 15 illustrates a partial, cross- sectional view of the front end 1404 of the plug 1400, showing that the earth contact 1402 is not supported by insulation.
  • the connector 1400 is a 2-pole straight connector, such as the VAC7S connector made by VOLEX Group pic.
  • the earth contact 1402 can be comprised of a crimping earth pin that fits into a slot opening on the bottom of the front end 1404 of connector 1400.
  • Figure 16 illustrates a partial, top-down view of the front end 1404 of the connector 1400.
  • the live terminal and the neutral terminal are assembled deeper by approximately 1 mm, changing the range of the terminal assembly from about 3-3.8 mm to about 4-4.8 mm.
  • the distance 1600 is substantially equal to 4 mm.
  • Figure 4 illustrates how the shift of the line terminal and the neutral terminal assembly allows a make-first-and-break-last earth contact, with the ground spring coming into contact with the earth pin contact prior to the power pins coming into contact with the corresponding power terminals.
  • Figures 5 and 6 even when the connector is inserted into the slim inlet in the upper extreme position or in the lower extreme position, the make-first-and-break-last earth contact is maintained.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

La présente invention, selon des modes de réalisation, concerne un coupleur C5/C6 ayant des forme et taille sensiblement équivalentes à celles d'un coupleur C7/C8. Certains modes de réalisation concernent un cordon d'alimentation en courant qui fournit une connexion à la terre au cordon. Plus particulièrement, certains modes de réalisation se rapportent à un point d'entrée mince qui permet une connexion à la terre de type première connectée et dernière connectée et empêche la connexion de cordons incompatibles, de type différent de connecteurs avec le point d'entrée mince.
PCT/EP2012/051207 2012-01-26 2012-01-26 Coupleur c5/c6 mince WO2013110333A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12708729.4A EP2807707A1 (fr) 2012-01-26 2012-01-26 Coupleur c5/c6 mince
CN201280070849.5A CN104471801A (zh) 2012-01-26 2012-01-26 小型c5/c6联接器
PCT/EP2012/051207 WO2013110333A1 (fr) 2012-01-26 2012-01-26 Coupleur c5/c6 mince
JP2014553624A JP2015510224A (ja) 2012-01-26 2012-01-26 細長いｃ５／ｃ６カプラー
HK15109375.9A HK1208766A1 (en) 2012-01-26 2015-09-24 Slim c5/c6 coupler c5/c6

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/051207 WO2013110333A1 (fr) 2012-01-26 2012-01-26 Coupleur c5/c6 mince

Publications (1)

Publication Number Publication Date
WO2013110333A1 true WO2013110333A1 (fr) 2013-08-01

Family

ID=45833334

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/051207 WO2013110333A1 (fr) 2012-01-26 2012-01-26 Coupleur c5/c6 mince

Country Status (5)

Country Link
EP (1) EP2807707A1 (fr)
JP (1) JP2015510224A (fr)
CN (1) CN104471801A (fr)
HK (1) HK1208766A1 (fr)
WO (1) WO2013110333A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019078852A1 (fr) * 2017-10-18 2019-04-25 Hewlett-Packard Development Company, L.P. Unité d'entrée de courant alternatif

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9105135U1 (fr) * 1991-04-26 1991-06-13 B. Braun Melsungen Ag, 3508 Melsungen, De
US20050020133A1 (en) * 2003-06-25 2005-01-27 Frank Homann Plug connection for a mobile terminal
EP1939992A2 (fr) * 2006-12-25 2008-07-02 Hosiden Corporation Prise femelle
US20090093160A1 (en) * 2007-10-05 2009-04-09 Delta Electronics, Inc. Filter and housing thereof
EP2194617A1 (fr) * 2008-11-28 2010-06-09 ABB Oy Prise de courant

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62147679A (ja) * 1985-12-20 1987-07-01 松下電器産業株式会社 電源接続装置
KR100552478B1 (ko) * 2003-11-20 2006-02-15 삼성전자주식회사 파워 인렛 소켓

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9105135U1 (fr) * 1991-04-26 1991-06-13 B. Braun Melsungen Ag, 3508 Melsungen, De
US20050020133A1 (en) * 2003-06-25 2005-01-27 Frank Homann Plug connection for a mobile terminal
EP1939992A2 (fr) * 2006-12-25 2008-07-02 Hosiden Corporation Prise femelle
US20090093160A1 (en) * 2007-10-05 2009-04-09 Delta Electronics, Inc. Filter and housing thereof
EP2194617A1 (fr) * 2008-11-28 2010-06-09 ABB Oy Prise de courant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"IEC 60320-1 Appliance couplers for household and similar general purposes - Part 1: General requirements", INTERNATIONAL STANDARD - IEC; NORME INTERNATIONALE - CEI,, vol. 60320-1, no. Ed. 2.1, 1 November 2007 (2007-11-01), pages 115pp, XP009141157 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019078852A1 (fr) * 2017-10-18 2019-04-25 Hewlett-Packard Development Company, L.P. Unité d'entrée de courant alternatif

Also Published As

Publication number Publication date
EP2807707A1 (fr) 2014-12-03
JP2015510224A (ja) 2015-04-02
CN104471801A (zh) 2015-03-25
HK1208766A1 (en) 2016-03-11

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