Abstract: A connective assembly for selectively interfacing a single listening device with a two-way radio and a cellular device enables selective listening therebetween from a single listening device, such as an earpiece, a throat microphone, and a prior art microphone. The assembly provides both a half-duplex and a full-duplex system that creates communication in both directions, including simultaneous connections. At least one assembly switch enables powering on and off of the assembly, and selective interfacing between the two-way radio and the cellular device. A push-to-talk button enables enable half-duplex two-way communications. A send button enables full-duplex two-way communications. A finger switch enables selective interfacing between the two-way radio and the cellular device. A full-duplex switch enables simultaneous communication between the two-way radio and the cellular phone. A clip mounts the listening device to the garment.

Abstract: A connective assembly for selectively interfacing a single listening device with a two-way radio and a cellular device enables selective listening therebetween from a single listening device, such as an earpiece, a throat microphone, and a prior art microphone. The assembly provides both a half-duplex and a full-duplex system that creates communication in both directions, including simultaneous connections. At least one assembly switch enables powering on and off of the assembly, and selective interfacing between the two-way radio and the cellular device. A push-to-talk button enables enable half-duplex two-way communications. A send button enables full-duplex two-way communications. A finger switch enables selective interfacing between the two-way radio and the cellular device. A full-duplex switch enables simultaneous communication between the two-way radio and the cellular phone. A clip mounts the listening device to the garment.

Abstract: A speaker microphone design that prevents, eliminates, and/or minimizes speaker mechanical failure caused by fine metal particles in the ambient environment. The contemplated invention includes embodiments that utilize one or more barrier cover installed at a location between the speaker diaphragm and the grille. The barrier cover can be a thin shell of various shapes and sizes, such as a dome-shaped structure. In other embodiments, the barrier cover can be a thin membrane, such as a Bayer® film. Additionally or alternatively, the speaker is positioned further back away from the grille, to provide a clearance space of at least 10 mm between the diaphragm and the grille. This novel design of clearance is also effective in preventing, eliminating, and/or minimizing speaker mechanical failure caused by fine metal particles in the environment.

Abstract: A clip connector joins a cable from an earpiece or earpiece accessory, and, from an opposite end, clips on to a socket region of a two-way radio. A housing includes a clip end, a cable end, an outer side, and a mounting side. The cable end has a cable socket. The mounting side has a tab for fastening. The mounting side also has a pair of spaced-apart protrusions for fastening. A head comprises a head clip end, a head pivot end, a head outer side, and a head mounting side. The head pivot end pivotally attaches to the clip end of the housing. The head mounting side includes a head opening having a peripheral ridge. The connection is formed by inserting a tab into a tab reception slot in the socket region; and from an opposite end, pivotally buckling a spring-loaded head onto a flange of the socket region.

Abstract: An accessory system for a two-way radio allowing for touch-free push-to-talk (PTT) function, the system includes a detachable accessory to the two-way radio receiver, wherein the accessory can be a headset, an earphone, or a speaker microphone. The system also includes a user-wearable wrist band having a magnet to trigger a magnetic sensor located in the accessory when the wrist band is moved within close proximity to the magnetic sensor, thereby turning on the PTT function.

Abstract: An accessory system for a two-way radio allowing for touch-free push-to-talk (PTT) function, the system includes a detachable accessory to the two-way radio receiver, wherein the accessory can be a headset, an earphone, or a speaker microphone. The system also includes a user-wearable wrist band having a magnet to trigger a magnetic sensor located in the accessory when the wrist band is moved within close proximity to the magnetic sensor, thereby turning on the PTT function.

Abstract: A speaker microphone design that prevents, eliminates, and/or minimizes speaker mechanical failure caused by fine metal particles in the ambient environment. The contemplated invention includes embodiments that utilize one or more barrier cover installed at a location between the speaker diaphragm and the grille. The barrier cover can be a thin shell of various shapes and sizes, such as a dome-shaped structure. In other embodiments, the barrier cover can be a thin membrane, such as a Bayer® film. Additionally or alternatively, the speaker is positioned further back away from the grille, to provide a clearance space of at least 10 mm between the diaphragm and the grille. This novel design of clearance is also effective in preventing, eliminating, and/or minimizing speaker mechanical failure caused by fine metal particles in the environment.