Case having wireless charging receiver pad for electronic devices

• US 9,484,769 B2
• Filed: 03/26/2016
• Issued: 11/01/2016
• Est. Priority Date: 03/26/2015
• Status: Active Grant

• Current Assignee: Spigen Korea Co., Ltd.
• Original Assignee: Spigen Korea Co., Ltd.
• Inventors: Kim, Dae-Young
• Primary Examiner(s): PELTON, NATHANIEL R
• Application Number:
  US15/081,882
• Publication Number:
  US 20160285301A1
• Time in Patent Office: 220 Days
• Field of Search: 320/108
• US Class Current: 1/1
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 7/0044 specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence

Abstract

A case for a portable electronic device includes a soft protective case, a hard protective frame, and a wireless charging receiver pad stored in a pad opening of the soft protective case. The pad opening has first, second, third and fourth walls such that the first and second walls face each other and the third and fourth walls face each other. Upper portions of the first and second walls are slanted to same directions and lower portions of the first and second walls are slanted to same directions whereas the upper and lower portions of the first wall are slanted in opposite directions. In addition, left and right portions of the third wall are slanted in opposite directions and left and right portions of the fourth wall are slanted in opposite directions as well. The right portions of the third and fourth walls are slanted in same directions.

Claims

1. A case (10) for an electronic device (100), comprising:

a soft protective case (20) which comprises a back panel (21) to cover a back portion (110) of the electronic device (100), and a side wall (25) extending from the back panel (21) along edges of the back panel (21) to cover a side portion (120) of the electronic device (100);

a hard protective frame (30), constructed to removably mount over the soft protective case (20);

a wireless charging receiver pad (60) having a plug (62) and a plug cable (64);

a pad opening (40) formed on the back panel (21) of the soft protective case (20) to receive the wireless charging receiver pad (60) therein; and

a plug cable opening (50) formed on the soft protective case (20) wherein a plug cable opening (50) is sized in that the plug cable (64) can pass through the plug cable opening 50, but the wireless charging receiver pad (60) cannot pass through the plug cable opening (50), wherein the hard protective frame (30) covers the pad opening (40).

2. The case (10) of claim 1, wherein the pad opening (40) comprises a first wall (41), a second wall (42), a third wall (43), and a fourth wall (44) wherein the first and second walls (41), (42) face each other and the third and fourth walls (43), (44) face each other,

wherein the plug cable opening (50) is formed on the fourth wall (44), dividing the fourth wall (44) into left and right portions (d), (f) of the fourth wall (44),

wherein the third wall (43) comprises left, middle and right portions (d), (e), (f) wherein left and right portions (d), (f) of the third wall (43) respectively face left and right portions (d), (f) of the fourth wall (44),

wherein the first and second walls (41) and (42) respectively comprise upper, middle and lower portions (a), (b), (c),

wherein the pad opening (40) is sized in that the wireless charging receiver pad (60) moves forward and backward within the pad opening (40),

wherein part of the first wall (41) is slanted and part of the second wall (42) is slanted.

3. The case (10) of claim 2, wherein the upper and lower portions (a), (c) of the first wall (41) are slanted in opposite directions, and

wherein the upper and lower portions (a), (c) of the second wall (42) are slanted in opposite directions.

4. The case (10) of claim 3, wherein the upper portions (a) of the first and second walls (41), (42) are slanted in same directions, and

wherein the lower portions (c) of the first and second walls (41), (42) are slanted in same directions.

5. The case (10) of claim 2, wherein the middle portions (b) of the first and second walls (41), (42) are not slanted.

6. The case (10) of claim 2, wherein part of the third wall (43) is slanted and part of the fourth wall (44) is slanted.

7. The case (10) of claim 6, wherein the left and right portions (d), (f) of the third wall (43) are slanted in opposite directions, and

wherein the left and right portions (d), (f) of the fourth wall (44) are slanted in opposite directions.

8. The case (10) of claim 7, wherein the left portions (d) of the third and fourth walls (43) and (44) are slanted in same directions, and

wherein the right portions (f) of the third and fourth walls (43), (44) are slanted in same directions.

9. The case (10) of claim 8, wherein middle portion of the third wall (43) is not slanted.

10. The case (10) of claim 2, wherein a portion bordering the first and third walls (41), (43) is not slanted and a portion bordering the second and third walls (42), (43) is not slanted, and

wherein a portion bordering the first and fourth walls (41), (44) is not slanted and a portion bordering the second and fourth walls (42), (44) is not slanted.

11. The case (10) of claim 1, wherein width of the pad opening (40) is slightly greater than or about same as width of the wireless charging receiver pad (60) so that the wireless charging receiver pad (60) is held in the pad opening (40) by a friction fit.

12. The case (10) of claim 1, further comprising a cover (70) for covering the pad opening (40) and the wireless charging receiver pad (60) secured in the pad opening (40) from a direction of the electronic device (100).

13. The case (10) of claim 12, wherein a mounting recess (24) is formed on a top surface (22) of the back panel (21) along edges of the pad opening (40) and the cover (70) mounts on the mounting recess (24) along the edges of the pad opening (40),

wherein the cover (70) is substantially flush with or co-planar with the top surface (22) of the back panel (21).

14. The case (10) of claim 12, wherein the cover (70) is made of PVC (polyvinyl chloride), PET (polyethylene terephthalate), PC (polycarbonate), or TPU (thermoplastic polyurethane).

15. A case (10) for an electronic device (100), comprising:

a soft protective case (20) which comprises a back panel (21) to cover a back portion (110) of the electronic device (100), and a side wall (25) extending from the back panel (21) along edges of the back panel (21) to cover a side portion (120) of the electronic device (100);

a hard protective frame (30), constructed to removably mount over the soft protective case (20);

a wireless charging receiver pad (60) having a plug (62) and a plug cable (64);

a pad opening (40) formed on the back panel (21) of the soft protective case (20) to receive the wireless charging receiver pad (60) therein; and

a plug cable opening (50) formed on the soft protective case (20) wherein a plug cable opening (50) is sized in that the plug cable (64) can pass through the plug cable opening 50, but the wireless charging receiver pad (60) cannot pass through the plug cable opening (50),

wherein the hard protective frame (30) covers the pad opening (40),

wherein the pad opening (40) comprises a first wall (41), a second wall (42), a third wall (43), and a fourth wall (44) wherein the first and second walls (41), (42) face each other and the third and fourth walls (45), (44) face each other,

wherein the first wall (41) comprises a first portion and a second portion and the second wall (42) comprises a first portion and a second portion, wherein the first portions of the first wall (41) and the second wall (42) face each other and the second portions of the first wall (41) and the second wall (42) face each other,

wherein the pad opening (40) is sized in that the wireless charging receiver pad (60) moves forward and backward within the pad opening (40),

wherein the first and second portions of the first wall (41) are slanted in opposite directions,

wherein the first and second portions of the second wall (42) are slanted in opposite directions.

16. The case (10) of claim 15, wherein the first portions of the first and second walls (41), (42) are slanted in same directions, and

wherein the second portions of the first and second walls (41), (42) are slanted in same directions.

17. The case (10) of claim 15, wherein the third and fourth walls (43), (44) respectively comprise third and fourth portions,

wherein the third portions of the third and fourth walls (43), (44) face each other and the fourth portions of the third and fourth walls (43), (44) face each other,

wherein the third portions of the third and fourth walls (43), (44) are slanted in same direction and the fourth portions of the third and fourth walls (43), (44) are slanted in same direction.

18. A case (10) for an electronic device (100), comprising:

a soft protective case (20) which comprises a back panel (21) to cover a back portion (110) of the electronic device (100), and a side wall (25) extending from the back panel (21) along edges of the back panel (21) to cover a side portion (120) of the electronic device (100);

a hard protective frame (30), constructed to removably mount over the soft protective case (20);

a wireless charging receiver pad (60) having a plug (62) and a plug cable (64);

a pad recess (40′

) formed on the back panel (21) of the soft protective case (20) to receive the wireless charging receiver pad (60) therein; and

a plug cable opening (50) formed on the soft protective case (20) wherein the plug cable (64) passes through the plug cable opening (50),

wherein the hard protective frame (30) covers the pad opening (40).

19. The case (10) of claim 18, wherein the pad recess (40′

) is formed on a top surface (22) of the back panel (21) or the pad recess (40′

) is formed on a bottom surface (23) of the back panel (21).

20. The case (10) of claim 18, wherein the pad recess (40′

) is sized in that the wireless charging receiver pad (60) moves forward and backward within the pad recess (40′

),

wherein the pad recess (40′

) comprises a first wall (41), a second wall (42), a third wall (43), and a fourth wall (44) wherein part of the first wall (41) is slanted and part of the second wall (42) is slanted,

wherein part of the third wall (43) is slanted and part of the fourth wall (44) is slanted.