Animal training apparatus having multiple receivers and method of controlling the same

An animal training apparatus comprising:

• a single transmitter and multiple receivers, wherein the transmitter includes:
• a plurality of level adjustment switches provided to correspond to the multiple receivers and configured to set levels of an electrical shock to be produced in the respective receivers;
• a receiver selection switch for selecting a desired receiver from the multiple receivers;
• a transmitter control unit comprising a selector switch configured to select vibration or shock levels set by said plurality of level adjustment switches and to input the vibration or shock levels to an input terminal of an Analog/Digital (A/D) converter, the A/D converter configured to perform A/D conversion on said vibration or shock levels set by said plurality of level adjustment switches, a central processing unit configured to allow said plurality of level adjustment switches to be sequentially selected by controlling the selector switch, allow each of said vibration or shock levels set by the plurality of level adjustment switches to be input to and A/D converted by the A/D converter, store the converted vibration or shock levels in a memory, read vibration or shock level of receiver corresponding to receiver selection signal input from the receiver selection switch from the memory, attach an identification (ID) code of the corresponding receiver to said read vibration or shock levels, and transmit said read vibration or shock level with the ID code attached thereto to the corresponding receiver and the memory configured to sequentially store said converted vibration or shock levels set by said level adjustment switches obtained by A/D conversion under control of the central processing unit, and configured to perform control such that the vibration or shock level data of the respective receivers set by the level adjustment switches are stored in said memory, and in response to a selection input from the receiver selection switch the ID code of said selected receiver initially stored in the memory is attached to the vibration or shock level data of the selected receiver, and the shock level date with the ID code is formed into a data frame to be transmitted to the receivers;
• a display unit for displaying vibration or shock levels set by the respective level adjustment switches under control of the transmitter control unit;
• and
• a radio frequency (RF) transmission unit for transmitting RF signals including the data frame generated from the transmitter control unit,
• wherein the receivers are configured to receive the RF signals including ID codes and vibration or shock level data of receivers corresponding to the level adjustment switches and to generate vibration or electrical shock, levels of which have been changed in response to the vibration or shock level data, to animals when the received ID code is identical to ID codes code stored in their own memory units.