Clip-on/clip-in smart module

• US 20020187807A1
• Filed: 06/07/2001
• Published: 12/12/2002
• Est. Priority Date: 06/07/2001
• Status: Abandoned Application

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Nguyen, Tuan, Weaver, William Bruce, Hughes, Michael J., Torre, Richard D. La
• Application Number:
  US09/876,398
• Publication Number:
  US 20020187807A1
• Time in Patent Office: Days
• US Class Current: 455/558
• CPC Class Codes: H04M 1/0262 for a battery compartment
• CPC Class Codes: H04M 1/7246 by connection of exchangeable housing parts
• CPC Class Codes: H04M 2250/14 including a card reading device

Abstract

A smart module for connection to a portable telephone has a module housing with a back side and a front side. The front side is adapted for removably securing the module housing to a battery attachment region of the portable telephone. The smart module has a printed circuit board that provides desired electronic functions to enhance, change or otherwise alter those of the portable telephone. The smart module has a module connector section that is electronically coupled to the module printed circuit board. The module connector section connects with a corresponding in-phone connector section within the battery attachment region when the smart module is attached to the battery attachment region of the phone. The connector sections couple the module printed circuit board to electronic circuitry of the portable telephone when the module is secured to the telephone.

Claims

1. A smart module for connection to a portable telephone, the smart module comprising:

a module housing having a back side and having a front side adapted for removably securing the module housing to a battery attachment region of the portable telephone;

a module printed circuit board; and

a module connector section electronically coupled to the module printed circuit board and being adapted to connect with electronic circuitry of the portable telephone when the module is secured to the telephone.

2. A smart module according to claim 1, further comprising:

a latching mechanism associated with a portion of the module housing for securing the smart module to a battery cover attachment mechanism of the battery attachment region of the portable telephone.

3. A smart module according to claim 1, wherein the module connector section includes a module connector body, a pair of opposed ends, and a plurality of spring contacts carried by the connector body between the opposed ends.

4. A smart module according to claim 3, wherein the connector body further includes a plurality of slots formed adjacent one another wherein one of the plurality of spring contacts is received within a respective one of the plurality of slots.

5. A smart module according to claim 1, wherein the module connector section further comprises:

a module connector body having a pair of opposed ends defining a width between the opposed ends and having a plurality of slots disposed adjacent one another between the opposed ends and oriented transverse relative to the width of the connector body; and

a plurality of spring contacts, each of the plurality of spring contacts being received within a respective one of the plurality of slots, each of the plurality of spring contacts having a U-shape with a resilient portion exposed and extending from the respective slot, and with a curved portion and a straight portion received within the respective slot.

6. A smart module according to claim 5, wherein each of the plurality of spring contacts further includes a first end extending between two tabs of the connector body, each first end having a pair of opposed flared ends overlapping a respective one of the tabs to hold the first end of the spring contact in place relative to the connector body.

7. A smart module according to claim 5, wherein each of the plurality of spring contacts further includes a second end extending from the connector body adjacent the module printed circuit board, each second end defining a pad that is in electrical contact with a portion of the module printed circuit board.

8. A smart module according to claim 1, wherein the smart module is removably secured to the battery attachment region of the portable telephone, and wherein the portable telephone has an in-phone connector section removably and electrically connected to the module connector section.

9. A smart module according to claim 1, further comprising:

a mounting section attached to the module housing and sandwiching the module printed circuit board between the mounting section and the module housing, wherein the module connector section is carried by the mounting section such that a portion of the module connector section is exposed for electrically connecting with a portion of an in-phone connector section of the portable telephone.

10. A smart module according to claim 9, wherein the module connector section includes a plurality of guide openings and the mounting section includes a corresponding plurality of posts each received within a respective one of the plurality of guide openings for properly locating the module connector section relative to the mounting section.

11. A portable telephone comprising:

a telephone housing having a battery attachment region;

electronic telephone circuitry carried by the telephone housing;

a smart module housing removably attached to the battery attachment region of the telephone housing;

a module printed circuit board carried by the module housing;

an in-phone connector section carried by a portion of the telephone housing and having an in-phone connector body and a plurality of electrical in-phone contacts that are electrically connected to the telephone circuitry; and

a module connector section carried by a portion of the smart module and having a module connector body and a plurality of electrical module contacts electrically connected to the module printed circuit board, wherein the in-phone connector section and the module connector section are removably connected to one another with the phone contacts and the module contacts engaged and electrically connected to one another.

12. A portable telephone according to claim 11, further comprising:

a battery cover attachment mechanism on the telephone housing associated with the battery attachment region and that removably secures the module housing to the battery attachment region.

13. A portable telephone according to claim 11, wherein the module connector body includes a pair of opposed ends defining a width between the opposed ends and a plurality of spring contacts carried by the module connector body between the opposed ends, wherein each of the plurality of spring contacts defines a respective one of the plurality of electrical module contacts.

14. A portable telephone according to claim 13, wherein the module connector body further includes a plurality of slots disposed adjacent one another between the opposed ends and oriented transverse relative to the width of the module connector body, and wherein one of the plurality of spring contacts is received within a respective one of the plurality of slots.

15. A portable telephone according to claim 11, wherein the module connector body further comprises:

a pair of opposed ends defining a width of the module connector body between the opposed ends;

a plurality of slots disposed adjacent one another between the opposed ends and oriented transversely relative to the width of the module connector body; and

a plurality of spring contacts each defining a respective one of the plurality of electrical module contacts, wherein each of the plurality of spring contacts is received within a respective one of the slots, and wherein each of the plurality of spring contacts has a U-shape with a resilient portion exposed and extending from the respective slot, and with a curved portion and a straight portion received within the respective slot.

16. A portable telephone according to claim 15, wherein each of the plurality of spring contacts further includes a first end extending between two tabs of the module connector body, each first end having a pair of opposed flared ends overlapping a respective one of the two tabs to hold the first end of each of the plurality of spring contacts in place relative to the module connector body.

17. A portable telephone according to claim 15, wherein each of the plurality of spring contacts further includes a second end extending from the module connector body adjacent the module printed circuit board, each second end defining a pad that is in electrical contact with a portion of the module printed circuit board.

18. A portable telephone according to claim 11, wherein the in-phone connector section further comprises:

a pair of opposed ends defining a width of the in-phone connector body;

a plurality of grooves disposed between the opposed ends of the in-phone connector body and oriented transverse relative to the width; and

a plurality of electrical pads each received in a respective one of the plurality of grooves and defining one of the plurality of in-phone contacts.

19. A portable telephone according to claim 18, wherein one of the plurality of pads defines a signal pad and another of the plurality of pads defines a ground pad.

20. A portable telephone according to claim 19, wherein the signal pad and the ground pad are arranged having transversely staggered positions relative to the other electrical pads and relative to each other.

21. A portable telephone according to claim 18, wherein the in-phone connector section further comprises:

a flexible circuit having a proximal end coupled to the in-phone connector body and having a distal end; and

a remote connector carried on the distal end of the flexible circuit and being electrically connected to each of the in-phone contacts and to the telephone circuitry.

22. A portable telephone according to claim 11, further comprising:

an L-shaped leg extending from each of the pair of opposed ends of the module connector body, each leg having a base and an in-turned flange extending at an angle from the base and defining a gap between the flange and the module connector body; and

an extension extending from each of the opposed ends of the in-phone connector body, each extension being received in a respective one of the gaps.

23. A portable telephone according to claim 18, wherein the grooves and the in-phone electrical pads define an engagement surface of the in-phone connector body that is tapered relative to a corresponding engagement surface of the module connector body in order to slidably engage with the module connector body and the module contacts.

24. A portable telephone according to claim 11, wherein the in-phone connector section is fastened to a portion of the telephone housing such that a portion of the in-phone contacts are exposed and electrically connected to the module contacts.

26. A connector assembly according to claim 25, wherein one of the module and in-phone connector sections further includes a plurality of slots disposed adjacent one another between the opposed ends and oriented transversely relative to the width of the connector body of the one connector section;

and

a plurality of spring contacts each defining a respective one of the plurality of electrical contacts of the one connector section, wherein each of the plurality of spring contacts is received within a respective one of the slots, and wherein each of the plurality of spring contacts has a U-shape with a resilient portion exposed and extending from the respective slot and with a curved portion and a straight portion received within the respective slot.

27. A connector assembly according to claim 26, wherein each of the plurality of spring contacts further includes a first end extending between two tabs of the connector body of the one connector section, each first end having a pair of opposed flared ends overlapping a respective one of the two tabs to hold the first end of each of the plurality of spring contacts in place relative to the connector body of the one connector section.

28. A connector assembly according to claim 26, wherein the one connector section is the module connector section.

29. A connector assembly according to claim 28, wherein each of the plurality of spring contacts further includes a second end extending from the module connector body adjacent the module printed circuit board, each second end defining a pad that is in electrical contact with a portion of the module printed circuit board.

30. A connector assembly according to claim 25, wherein one of the module and in-phone connector sections further includes a plurality of grooves disposed between the opposed ends of the connector body of the one connector section and oriented transverse relative to the width, and includes a plurality of electrical pads each received in a respective one of the plurality of grooves and defining one of the plurality of electrical contacts of the one connector section.

31. A connector assembly according to claim 30, wherein one of the plurality of pads defines a signal pad and another of the plurality pads defines a ground pad.

32. A connector assembly according to claim 31, wherein the signal pad and the ground pad are arranged having transversely staggered positions relative to the other electrical pads and relative to each other.

33. A connector assembly according to claim 31, wherein the one connector section is the in-phone connector section.

34. A connector assembly according to claim 33, wherein the in-phone connector section further comprises:

a flexible circuit having a proximal end coupled to the in-phone connector body and having a distal end; and

a remote connector carried on the distal end of the flexible circuit and being electrically connected to each of the in-phone contacts and to the telephone electronic circuitry.

35. A connector assembly according to claim 25, further comprising:

an L-shaped leg extending from each of the pair of opposed ends of the connector body of one of the module and in-phone connector sections, each leg having a base and an in-turned flange extending at an angle from the base and defining a gap between the flange and the connector body of the one connector section; and

an extension extending from each of the opposed ends of the connector body of the other of the module and in-phone connector sections, each extension being received in a respective one of the gaps.

36. A connector assembly according to claim 25, wherein an engagement surface of one of the module and in-phone connector sections that carries the electrical contacts of the one connector section is tapered relative to a corresponding engagement surface of the other connector section that carries the electrical contacts of the other connector section in order to that the module and in-phone electrical contacts can slidably engage with one another.

25. A connector assembly for electronically connecting a smart module to a battery attachment region of a portable telephone, the connector assembly comprising:

an in-phone connector section having an in-phone connector body carried by the portable telephone, a pair of opposed ends defining a width of the in-phone connector body between the opposed ends, and a plurality of electrical telephone contacts carried by the in-phone connector body, wherein the plurality of telephone contacts are electrically connected to telephone electronic circuitry of the portable telephone and wherein a portion of the plurality of telephone contacts are exposed within the battery attachment region;

a module connector section having a module connector body carried by the smart module, a pair of opposed ends defining a width of the module connector body between the opposed ends, and a plurality of electrical module contacts carried by the module connector body, wherein the plurality of module contacts are electrically connected to a printed circuit board of the smart module; and

wherein the in-phone connector section and the module connector section are removably connected to one another when the smart module is attached to the battery attachment region of the portable telephone and whereby the module electrical contacts and the telephone electrical contacts engage and electrically connect with one another.