Dilworth & Barrese, LLP
Time switch with the control memory
 A time switch for use in communications systems and method for controlling the same is provided. The control memory is controlled by using a 16 bits data bus. The lower 9 bits represent information relating to the input port and time slot, and an upper 6 bits represent information which is needed for output conversion. The use of 16 bit control provides simplicity of time switch design by removing unnecessary elements of the prior art time switch and decreases the switch set up time. In addition, the time switch of the present invention makes it possible to process gain control from inside the time switch and eliminates the need for external gain control processing. 
Samsung Electronics Co., Ltd.
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Seung-youl Son-jeong
Lee Keun