Broadcast radio directional control receiver for remote-controlled switching of electricity meter
Реферат: The radio control receiver has an integrated ferrite antenna, a radio receiver, a decoder and a number of relays (4) contained in a common housing, controlled by the decoded signals. The ferrite antenna is located in a reception chamber provided by the housing and can be rotated through 180 degrees, its adjustment effected by opening a removable cover for the reception chamber. The cover is opaque, with a sealed removable cover for the relay reception space overlapping one edge of the antenna cover.
Remote control of electrical loads
Номер патента: GB1355528A. Автор: . Владелец: Mitsubishi Electric Corp. Дата публикации: 1974-06-05.