Telecommunications – Transmitter and receiver at same station – Having particular housing or support of a transceiver
Patent
1996-06-21
1998-04-21
Crosland, Donnie L.
Telecommunications
Transmitter and receiver at same station
Having particular housing or support of a transceiver
455 73, 455575, 342 51, 361679, H04B 138
Patent
active
057428956
ABSTRACT:
A device used in a multimedia communication system is formed with a transceiver unit for transmitting and receiving information signal to and from the inside of a room and a base unit adapted to be mounted to a wall of the room to detachably support the transceiver unit. The transceiver unit has a plug surface on which a plug projects, a circular wall projecting on the plug surface to surround the plug, and a guide wall projecting on the plug surface inside the circular wall and around the plug. The base unit comprises a disk member which is provided with a receptacle exposed in a receptacle surface defined on the disk member. The disk member has a diameter slightly smaller than an inner diameter of the circular wall so that the disk member can fit within the circular wall when the transceiver unit is attached to the base. The disk member is formed in the receptacle surface with a guide groove of such a configuration that the guide wall is allowed to be inserted into the guide groove only when the guide wall opposes to the guide groove at a particular angular orientation where the plug comes to be connectable with the receptacle. The device can provide a safe and easy working condition for attaching the transceiver unit to the base unit.
REFERENCES:
patent: 4032707 (1977-06-01), Trenary
patent: 5218356 (1993-06-01), Knapp
patent: 5235337 (1993-08-01), Clark et al.
patent: 5333418 (1994-08-01), Chambers
patent: 5424859 (1995-06-01), Uchara et al.
Ikeda Koji
Kondo Sadaaki
Morimoto Masafumi
Morino Shinji
Okugawa Kimitake
Crosland Donnie L.
Matsushita Electric & Works Ltd.
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