Fiber optic hybrid adapter and connector assemblies

• US 10,295,753 B2
• Filed: 01/28/2016
• Issued: 05/21/2019
• Est. Priority Date: 01/28/2016
• Status: Active Grant

• Current Assignee: SENKO Advanced Components, Inc. (SENKO Group Holdings Co., Ltd.)
• Original Assignee: SENKO Advanced Components, Inc. (SENKO Group Holdings Co., Ltd.)
• Inventors: Takano, Kazuyoshi, Wong, Kimman
• Primary Examiner(s): Lepisto, Ryan A
• Assistant Examiner(s): Chiem, Erin D
• Application Number:
  US15/009,549
• Publication Number:
  US 20170219779A1
• Time in Patent Office: 1,209 Days
• Field of Search: None
• CPC Class Codes: G02B 6/3821 with axial spring biasing or loading means G02B6/3847 takes precedence
• CPC Class Codes: G02B 6/3825 with an intermediate part, e.g. adapter, receptacle, linking two plugs
• CPC Class Codes: G02B 6/3831 comprising a keying element on the plug or adapter, e.g. to forbid wrong connection keying element on the ferrule G02B6/3851; keying element for electrical coupling H01R13/64
• CPC Class Codes: G02B 6/3874 using tubes, sleeves to align ferrules
• CPC Class Codes: G02B 6/3891 Bayonet type
• CPC Class Codes: G02B 6/3893 Push-pull type, e.g. snap-in, push-on
• CPC Class Codes: G02B 6/3897 Connectors fixed to housings, casing, frames or circuit boards G02B6/44528 takes precedence

Abstract

Fiber optic connection assemblies that may include hybrid adapters and connector assemblies are generally described. The hybrid adapter may be configured to connect a first connector type and a second connector type, the first connector type being different from the second connector type. For example, the first connector type may be a micro connector and the second connector type may be an LC connector. A connector assembly may be configured as a micro connector having a tension element configured to facilitate optimized optical performance by spring loading the ferrules while maintaining a small form factor.

Claims

1. An optical fiber connection assembly, comprising:

an adapter comprising;

a first adapter end configured to be coupled to a first connector type,

a second adapter end configured to be coupled to a second connector type, and

at least one mating component arranged on the first adapter end, the at least one mating component being an alignment sleeve holder configured to receive an alignment sleeve; and

at least one first optical fiber micro connector comprising

a mating housing configured to couple the at least one first optical fiber micro connector to the alignment sleeve holder;

wherein the alignment sleeve holder is configured such that the alignment sleeve can be inserted into the alignment sleeve holder through the first adapter end

wherein the alignment sleeve holder extends outwardly from a remainder of the first adapter end to a position in which the alignment sleeve holder protrudes from the remainder of the first adapter end and forms an external protrusion on the adapter.

2. The optical fiber connection assembly of claim 1, wherein the second connector type is a duplex LC connector.

3. The optical fiber connection assembly of claim 1, further comprising a tension element arranged between the mating housing and the first adapter end, the tension element being configured to facilitate floating of a ferrule of the at least one first optical fiber micro connector, wherein the tension element comprises at least one of a wavy spring, a curved spring, and a tabbed spring.

4. The optical fiber connection assembly of claim 3, wherein the at least one first optical fiber micro connector further comprises a ferrule flange, the tension element being arranged between the mating housing and the ferrule flange.

5. The optical fiber connection assembly of claim 1, wherein the adapter is configured to be connected to a module.

6. The optical fiber connection assembly of claim 1, wherein the mating component comprises at least one post configured to engage the mating housing.

7. The optical fiber connection assembly of claim 1, wherein the mating housing is configured to rotatably engage the mating component via a bayonet-type connection.

8. The optical fiber connection assembly of claim 1, wherein the mating housing is configured to rotatably engage the mating component via a groove-based bayonet-type connection.

9. The optical fiber connection assembly of claim 1, wherein the mating housing is configured to engage the mating component via a snap-fit bayonet-type connection.

10. The optical fiber connection assembly of claim 1, further comprising an alignment key arranged on the alignment sleeve holder, the alignment key being configured to align a portion of the first optical fiber micro connector.

11. The optical fiber connector assembly of claim 10 wherein the alignment sleeve holder is configured to couple to the first connector type.

12. The Optical fiber connector assembly of claim 11 wherein the alignment sleeve holder comprises a locking feature formed on the external protrusion of the adapter configured for interlocking engagement with the first connector type.

13. The optical fiber connection assembly of claim 1, further comprising an electromagnetic interference shield arranged at the first adapter end.

14. The optical fiber connection assembly of claim 1, further comprising the alignment sleeve.

15. An optical fiber adapter, comprising:

a first adapter end configured to be coupled to a first connector type;

a second adapter end configured to be coupled to a second connector type; and

at least one mating component arranged on the first adapter end, the mating component being an alignment sleeve holder configured to receive an alignment sleeve and further configured to be coupled to at least one first optical fiber micro connector comprising a mating housing configured to couple the at least one first optical fiber micro connector to the alignment sleeve holder;

wherein the alignment sleeve holder is configured such that the alignment sleeve can be inserted into the alignment sleeve holder through the first adapter ends;

wherein the alignment sleeve holder extends outwardly from a remainder of the first adapter end to a position in which the alignment sleeve holder protrudes from the remainder of the first adapter end and forms an external protrusion on the adapter.

16. The optical fiber adapter of claim 15, wherein the second connector type is a duplex LC connector.

17. The optical fiber adapter of claim 15, further comprising a tension element arranged between the mating housing and the first adapter end, the tension element being configured to facilitate floating of a ferrule of the at least one first optical fiber micro connector, wherein the tension element comprises at least one of a wavy spring, a curved spring, and a tabbed spring.

18. The optical fiber adapter of claim 17, wherein the at least one first optical fiber micro connector further comprises a ferrule flange, the tension element being arranged between the mating housing and the ferrule flange.

19. The optical fiber adapter of claim 15, wherein the adapter is configured to be connected to a module.

20. The optical fiber adapter of claim 15, wherein the mating component comprises at least one post configured to engage the mating housing.

21. The optical fiber adapter of claim 15, wherein the mating housing is configured to rotatably engage the mating component via a bayonet-type connection.

22. The optical fiber adapter of claim 15, wherein the mating housing is configured to rotatably engage the mating component via a groove-based bayonet-type connection.

23. The optical fiber adapter of claim 15, wherein the mating housing is configured to engage the mating component via a snap-fit bayonet-type connection.