News Column

Patent Application Titled "Latch Mechanism for Communication Module" Published Online

May 7, 2014



By a News Reporter-Staff News Editor at Electronics Newsweekly -- According to news reporting originating from Washington, D.C., by VerticalNews journalists, a patent application by the inventor Koutrokois, Demetrios (San Francisco, CA), filed on October 15, 2012, was made available online on April 24, 2014.

The assignee for this patent application is Finisar Corporation.

Reporters obtained the following quote from the background information supplied by the inventors: "The embodiments discussed herein relate generally to communication modules. More particularly, example embodiments relate to latch mechanisms for selectively engaging communication modules with a housing of a host device.

"Communication modules, such as electronic or optoelectronic transceiver or transponder modules, are increasingly used in electronic and optoelectronic communication. Some modules are pluggable, which permits the module to be inserted into and removed from a housing of a host device, such as a host computer, switching hub, network router, or switch box. Latching mechanisms within the housing of the host device may be made to physically secure an inserted communication module into place. To remove the communication module, the latching mechanism may be manipulated to physically unsecure the communication module.

"The subject matter claimed herein is not limited to embodiments that solve any disadvantages or that operate only in environments such as those described above. Rather, this background is only provided to illustrate one exemplary technology area where some embodiments described herein may be practiced"

In addition to obtaining background information on this patent application, VerticalNews editors also obtained the inventor's summary information for this patent application: "These and other limitations are overcome by embodiments of the invention which relate to systems and methods for selectively engaging communication modules with a housing of a host device.

"This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Description of Embodiments. This Summary is not intended to identify key features or essential characteristics of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

"In an example embodiment, a module latch mechanism includes a follower and a driver. The follower is configured to be slidingly positioned relative to a housing. The driver is configured to be rotatingly positioned relative to the housing. The follower includes a first arm configured to facilitate selective engagement of the housing with a host device. The follower may further include a fastening mechanism configured to facilitate selective engagement of the follower with the housing. The driver is configured to be positioned relative to the follower such that the driver urges the follower toward a first position relative to the housing as the driver is rotated from an unlatched position to a latched position.

"In another example embodiment, a module includes a housing and a module latch mechanism. The housing includes at least one electromagnetic interference (EMI) protrusion configured to contact at least a portion of an EMI shield located on a host device. The module latch mechanism includes a follower and a driver. The follower is configured to be slidingly positioned relative to the housing. The follower includes a pair of arms configured to facilitate selective engagement of the housing with the host device at least in part by way of temporary deformation of structure of the host device. The follower is further configured to be positioned at least partially around the at least one EMI protrusion. The driver is configured to be rotatingly positioned relative to the housing. The driver is further configured to be positioned relative to the follower such that the driver urges the follower toward a first position relative to the housing as the driver is rotated from an unlatched position to a latched position, and urges the follower toward a second position relative to the housing as the driver is rotated from the latched position to the unlatched position.

"In yet another example embodiment, a module includes a housing and a module latch mechanism. The module latch mechanism includes a follower and a driver. The follower is configured to be slidingly positioned relative to the housing. The follower includes a pair of arms configured to facilitate selective engagement of the housing with a host device at least in part by way of temporary deformation of structure of the host device. The follower also includes a fastening mechanism including a first portion of a resilient fastener configured to selectively engage a second portion of the resilient fastener positioned on the housing. The fastening mechanism may be configured to urge the latch mechanism toward a first position when the housing is engaged with the host device. The driver is configured to be rotatingly positioned relative to the housing. The driver is further configured to be positioned relative to the follower such that the driver urges the follower toward a first position relative to the housing as the driver is rotated from an unlatched position to a latched position, and urges the follower toward a second position relative to the housing as the driver is rotated from the latched position to the unlatched position.

"Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The features and advantages of the invention may be realized and obtained by means of the instruments and combinations particularly pointed out in the appended claims. These and other features of the present invention will become more fully apparent from the following description and appended claims, or may be learned by the practice of the invention as set forth hereinafter.

BRIEF DESCRIPTION OF THE DRAWINGS

"To further clarify the above and other advantages and features of the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are, therefore, not to be considered limiting of its scope. The invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:

"FIG. 1 is a partially cutaway top perspective view of portions of an example host device with an example optoelectronic module in a latched configuration located inside the example host device;

"FIG. 2 is a top perspective view of the host device cage of FIG. 1, with the optoelectronic module omitted;

"FIG. 3A is a top perspective view of the example optoelectronic module of FIG. 1 in the latched configuration with the example host device omitted;

"FIG. 3B is an exploded top perspective view of the example optoelectronic module of FIG. 3A;

"FIG. 3C is a bottom perspective view of the example optoelectronic module of FIG. 3A in the latched configuration;

"FIG. 3D is a top perspective view of the example optoelectronic module of FIG. 3A in the unlatched configuration;

"FIG. 3E is a bottom perspective view of the example optoelectronic module of FIG. 3A in the unlatched configuration

"FIG. 4A is a bottom perspective view of another example embodiment of an optoelectronic module;

"FIG. 4B is a top perspective view of the follower from the example optoelectronic module of FIG. 4A; and

"FIG. 4C is a close-up bottom perspective view of a portion of the optoelectronic module of FIG. 4A with the follower of FIG. 4B omitted."

For more information, see this patent application: Koutrokois, Demetrios. Latch Mechanism for Communication Module. Filed October 15, 2012 and posted April 24, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=4471&p=90&f=G&l=50&d=PG01&S1=20140417.PD.&OS=PD/20140417&RS=PD/20140417

Keywords for this news article include: Optoelectronics, Finisar Corporation.

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Source: Electronics Newsweekly


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