Reversible universal serial bus (USB) connector
A reversible receptacle for coupling with a USB A-type standard connector, including a first set of four electrical contact regions and a second set of four electrical contact regions, the contact regions configured such that in a first coupling orientation of the reversible receptacle with the standard plug, only the first set of electrical contact regions is mechanically connected with the contacts of the standard plug and in a second coupling orientation of the reversible receptacle with the standard plug, only the second set of electrical contact regions is mechanically connected with the contacts of the standard plug. Also provided are corresponding reversible USB appliances based upon the aforementioned reversible receptacles.
1. A reversible connector for coupling with a USB A-type standard connector, the standard connector having a hollow section, a fixed set of four electrical contacts disposed on one side of the hollow section and an electrically conducting shield disposed on three sides of the hollow section, the reversible connector comprising:
a sleeve, configured for cooperating with the electrically conducting shield;
a tongue arrangement centrally disposed in said sleeve, said tongue arrangement including a first set of four electrical contact regions on a first side of said tongue arrangement and a second set of four electrical contact regions on a second side of said tongue arrangement, said tongue arrangement being configured such that:
(a) in a first coupling orientation of the reversible connector with the standard connector, said tongue arrangement is moved in a first direction by the standard connector and said first set of electrical contact regions is mechanically connected with the set of electrical contacts of the standard connector; and
(b) in a second coupling orientation of the reversible connector with the standard connector, said tongue arrangement is moved in a second direction by the standard connector and said second set of electrical contact regions is mechanically connected with the set of electrical contacts of the standard connector; and
a centering mechanism, separate from said sleeve, configured for maintaining said tongue arrangement centrally within said sleeve prior to said tongue arrangement and the standard connector making contact.
2. A reversible connector for coupling with a USB A-type standard connector, the standard connector having a hollow section, a fixed set of four electrical contacts disposed on one side of the hollow section and an electrically conducting shield disposed on three sides of the hollow section, the reversible connector comprising:
a sleeve, configured for cooperating with the electrically conducting shield;
a tongue arrangement centrally disposed in said sleeve, said tongue arrangement including a first set of four electrical contact regions on a first side of said tongue arrangement and a second set of four electrical contact regions on a second side of said tongue arrangement, said tongue arrangement being configured such that:
(a) in a first coupling orientation of the reversible connector with the standard connector, said tongue arrangement is moved in a first direction by the standard connector and said first set of electrical contact regions is mechanically connected with the set of electrical contacts of the standard connector; and
(b) in a second coupling orientation of the reversible connector with the standard connector, said tongue arrangement is moved in a second direction by the standard connector and said second set of electrical contact regions is mechanically connected with the set of electrical contacts of the standard connector; and
a centering mechanism configured for maintaining said tongue arrangement centrally within said sleeve prior to said tongue arrangement and the standard connector making contact, wherein said centering mechanism is further configured such that initial contact of said centering mechanism with the standard connector releases said centering mechanism, thereby allowing movement of said tongue arrangement.
3. The connector of claim 2 , wherein said centering mechanism includes a spring recoiled sliding locking mechanism.
4. The connector of claim 1 , further comprising a contact raising arrangement configured for:
(a) deflecting said first set of contact regions in said first coupling orientation so that said first set of contact regions makes mechanical contact with the set of electrical contacts of the standard connector; and
(b) deflecting said second set of contact regions in said second coupling orientation so that said second set of contact regions makes mechanical contact with the set of electrical contacts of the standard connector.
5. The connector of claim 1 , wherein said tongue arrangement includes a central insulating layer electrically isolating said first set of electrical contact regions from said second set of electrical contact regions.
6. The connector of claim 5 , wherein said central insulating layer includes a plurality of grooves, said first set of electrical contact regions and said second set of electrical contact regions being recessed in said grooves.
7. The connector of claim 5 , wherein said central insulating layer is substantially rigid.
8. The reversible connector of claim 1 , wherein the reversible connector is a receptacle and the standard connector is a USB A-type plug.
9. The reversible connector of claim 8 , further comprising a USB appliance, the USB appliance comprising:
(a) a functional unit; and
(b) a body containing said functional unit, the receptacle is non-rotatably coupled to said body for operationally coupling with the USB A-type standard plug in the two coupling orientations.
10. The reversible connector of claim 1 , wherein the reversible connector is a plug and the standard connector is a USB A-type receptacle.
11. The reversible connector of claim 8 , further comprising a USB device, the USB device comprising:
(a) a functional unit; and
(b) a body containing said functional unit, the plug is non-rotatably coupled to said body so as to protrude from said body, said plug adapted for operationally coupling with the standard USB A-type receptacle in the two coupling orientations.
12. The connector of claim 1 , wherein:
said centering mechanism is movable.
13. The connector of claim 1 , wherein:
said centering mechanism includes a first component and a second component that are cooperatively configured for maintaining said tongue arrangement centrally within said sleeve prior to said tongue arrangement and the standard connector making contact.
14. The connector of claim 1 , wherein:
said centering mechanism selectively engages said tongue arrangement.
15. The connector of claim 1 , wherein:
said tongue arrangement includes a first end and a second end, said first set of four electrical contact regions and second set of four electrical contact regions are at said first end, said centering mechanism engages said tongue arrangement at said first end.
16. A reversible connector for coupling with a USB A-type standard connector, the standard connector having a hollow section, a fixed set of four electrical contacts disposed on one side of the hollow section and an electrically conducting shield disposed on three sides of the hollow section, the reversible connector comprising:
a sleeve, configured for cooperating with the electrically conducting shield;
a tongue arrangement centrally disposed in said sleeve, said tongue arrangement including a first set of four electrical contact regions on a first side of said tongue arrangement and a second set of four electrical contact regions on a second side of said tongue arrangement, said tongue arrangement being configured such that:
(a) in a first coupling orientation of the reversible connector with the standard connector, said first set of electrical contact regions is mechanically connected with the set of electrical contacts of the standard connector; and
(b) in a second coupling orientation of the reversible connector with the standard connector, said second set of electrical contact regions is mechanically connected with the set of electrical contacts of the standard connector; and
a movable centering mechanism configured for maintaining said tongue arrangement centrally within said sleeve prior to said tongue arrangement and the standard connector making contact.
17. The connector of claim 16 , wherein:
said centering mechanism includes a first component and a second component that are cooperatively configured for maintaining said tongue arrangement centrally within said sleeve prior to said tongue arrangement and the standard connector making contact.
18. The connector of claim 16 , wherein:
said centering mechanism selectively engages said tongue arrangement.
19. The connector of claim 16 , wherein:
said tongue arrangement includes a first end and a second end, said first set of four electrical contact regions and second set of four electrical contact regions are at said first end, said centering mechanism engages said tongue arrangement at said first end.
20. The connector of claim 16 , wherein:
said centering mechanism is separate from said sleeve.