Abstract: A compressor may include a shell assembly, a first scroll, a second scroll, a piston, and a piston-retention member. The piston engages the first scroll and may be partially received within a recess defined by the shell assembly. The piston and the shell assembly may cooperate to define a pressure chamber. The pressure chamber may be in selective fluid communication with a source of working fluid to control movement of the piston relative to the shell assembly. The piston-retention member may be mounted to the piston and selectively engage a rotationally fixed structure. The piston-retention member allows rotation of the piston relative to the first scroll in a first rotational direction and restricts rotation of the piston relative to the first scroll in a second rotational direction.

Abstract: A compressor may include a shell assembly, a first scroll, a second scroll, a piston, and a piston-retention member. The piston engages the first scroll and may be partially received within a recess defined by the shell assembly. The piston and the shell assembly may cooperate to define a pressure chamber. The pressure chamber may be in selective fluid communication with a source of working fluid to control movement of the piston relative to the shell assembly. The piston-retention member may be mounted to the piston and selectively engage a rotationally fixed structure. The piston-retention member allows rotation of the piston relative to the first scroll in a first rotational direction and restricts rotation of the piston relative to the first scroll in a second rotational direction.

Abstract: A compressor may include a shell assembly, first and second scrolls, a piston, and a piston-retention member. The piston engages the first scroll and may be partially received within a recess defined by the shell assembly. The piston and the shell assembly may cooperate to define a pressure chamber. The pressure chamber may be in selective fluid communication with a source of working fluid to control movement of the piston relative to the shell assembly. The piston-retention member may engage the piston and a rotationally fixed structure. The piston-retention member allows rotation of the piston relative to the first scroll in a first rotational direction and restricts rotation of the piston relative to the first scroll in a second rotational direction.

Abstract: A compressor may include a shell assembly, first and second scrolls, a piston, and a piston-retention member. The piston engages the first scroll and may be partially received within a recess defined by the shell assembly. The piston and the shell assembly may cooperate to define a pressure chamber. The pressure chamber may be in selective fluid communication with a source of working fluid to control movement of the piston relative to the shell assembly. The piston-retention member may engage the piston and a rotationally fixed structure. The piston-retention member allows rotation of the piston relative to the first scroll in a first rotational direction and restricts rotation of the piston relative to the first scroll in a second rotational direction.

Abstract: In one embodiment, a method includes determining a location of a device relative to a reference, and identifying a first password from a plurality of passwords for use to unlock the device based on the location of the device relative to the reference. The plurality of passwords includes at least one complex password and at least one simple password. The method also includes prompting for input arranged to unlock the device, obtaining the input, and determining when the input matches the first password. When it is determined that the input matches the first password, the device is unlocked.

Abstract: An apparatus is provided in one example embodiment and includes a content player that receives a request for content from an endpoint and evaluates whether a given portion of the content has already been multicasted. If the portion has been multicasted, then the endpoint is connected to a multicast version of the portion of the content, and if the portion has not been previously multicasted then the portion of content is added to a multicast transmission schedule. In more specific embodiments, the content player requests a piece of content from a content source and segments the piece of content into clips to be delivered to one or more endpoints. In still other embodiments, if the portion has not been previously multicasted then the portion of content is sent over a unicast channel.

Abstract: In one embodiment, a method includes determining a location of a device relative to a reference, and identifying a first password from a plurality of passwords for use to unlock the device based on the location of the device relative to the reference. The plurality of passwords includes at least one complex password and at least one simple password. The method also includes prompting for input arranged to unlock the device, obtaining the input, and determining when the input matches the first password. When it is determined that the input matches the first password, the device is unlocked.

Abstract: An apparatus is provided in one example embodiment and includes a content player that receives a request for content from an endpoint and evaluates whether a given portion of the content has already been multicasted. If the portion has been multicasted, then the endpoint is connected to a multicast version of the portion of the content, and if the portion has not been previously multicasted then the portion of content is added to a multicast transmission schedule. In more specific embodiments, the content player requests a piece of content from a content source and segments the piece of content into clips to be delivered to one or more endpoints. In still other embodiments, if the portion has not been previously multicasted then the portion of content is sent over a unicast channel.

Abstract: A method for distributing voice-recognition grammars includes receiving match data from a first remote element. The match data includes information associated with an attempt by the remote element to match received audio information to first stored audio data. The method also includes generating a grammar entry based on the match data. The grammar entry includes second stored audio data and a word identifier associated with the second stored audio data. Additionally, the method includes transmitting the grammar entry to a second remote element.

Abstract: A system for communicating messages comprises a session server and a messaging server. The session server receives a call from a first client. The call is intended for a second client. The messaging server is coupled to the session server and receives the call from the session server. The messaging server further communicates a first-text message to an instant messaging client associated with the second client in response to receiving the call. The messaging server further receives a second-text message communicated by the instant messaging client. The second-text message is responsive to the first-text message. The messaging server further converts the second-text message into a voice message and communicates the voice message to the first client.