A disclosed electric fence system includes an electric fence; an energizer for generating a plurality of electric pulses applied to the electric fence; a detection circuit for monitoring a voltage of the electric fence; and a grounding device for grounding the electric fence when the electric fence is off. The grounding device is connected to the electric fence, the energizer, the detection circuit, and the ground.

A portable electric fence energizer is described, having a housing and an electric pulse generating circuit located within the housing. The energizer further includes a post securing mechanism configured to secure the housing relative to an electrically conductive post. The post securing mechanism includes at least one electrical contact configured to contact the post when secured by the post securing mechanism. A conductive link between the electrical contact and the electric pulse generating circuit may be used to provide an earth connection for the energiser, or an output connection between the electric pulse generating circuit and a wire of the electric fence.

A robotically controlled system including a fence enclosure that can move and/or shape-shift itself autonomously and automatically without manual intervention. The system includes coils of electric fence wire that are spring-loaded or otherwise tensioned so that the length of electric fence wire between each post robot is able to contract or expand as the system of robots adapts to optimize the shape of the fence enclosure as the entire enclosure is moved by the robots around a field or other grazing pasture on an area of land.

A robotically controlled system including a fence enclosure that can move and/or shape-shift itself autonomously and automatically without manual intervention. The system includes coils of electric fence wire that are spring-loaded or otherwise tensioned so that the length of electric fence wire between each post robot is able to contract or expand as the system of robots adapts to optimize the shape of the fence enclosure as the entire enclosure is moved by the robots around a field or other grazing pasture on an area of land.

A device for controlling an animal is provided, the device comprising a support to be worn by the animal; a first contact member mounted on the support and disposed in a position for contacting an electric fence when the device is being worn by the animal; a second contact member, mounted on the support and in electrical contact with the first contact member, the second contact member being disposed on the support to be in contact with the animal when the device is being worn by the animal; whereby, in use, an electrical current is conducted from the first contact member to the second contact member and an electric shock provided to the animal at the site of the second contact member when contact is made between the first contact member and an electric fence by the animal. The device is particularly suitable for controlling the movements of a horse or a pony. The device is preferably formed as a rug, blanket or a vest to be worn by the animal.

Provided is a reel for a conductor of an electric fence. The reel includes a bobbin, a frame for supporting the bobbin, and a connector. The connector can be two jaws and can have passages to connect the reel to a support such as a conductor of an existing fence or a tube of a vehicle. One of the jaws can be wide for stability. The connector can have an electrical conductor for connecting to the support and electrifying the conductor. The connector can also be operated by a trigger and can have a locking mechanism. The frame can be a one-piece frame made of plastics material. The reel can have a spreader and a hot-up bar. The reel can have a crank that can be disengaged from the bobbin and a brake that is applied when the crank is disengaged.

A guide device (10) is disclosed for constructing a wire or cable fence. The device (10) is arranged for contact with, and movement along, strands of pretensioned wire or cable (64) which form the fence wires. The guide device (10) has a number of rotatable members (16) on a generally horizontal axis of rotation, which are each arranged in use to support one of the strands (64) at a respective, pre-determined elevation above surrounding ground (8). A plurality of fence posts (66) having through-holes (68) that are arranged for receipt of the respective strand(s) (64) can then be caused to slide along the strands (64) in use without contacting the surrounding ground (8), and be spaced apart along those strands (64) to form the posts of the fence.

Modular autonomous mobile fence, delimiter of grazing areas. It consists of two structures (10, 20) arranged opposite and distant from each other. Each structure (10, 20) is composed of at least two movable towers, arranged at the ends of the very same row and structurally linked to each other to form a movable row. An electric wire conductor (14, 15) is arranged between these two rows (10, 20) and forms a closed quadrilateral that delimits a closed grazing area (16). Said rows with towers and the area delimited by the electric fence can be selectively moved from one lot to the next, together with the animals kept therein. Said electric fence must have means of separation (31, 32) of the electric conductor from the ground (14, 15) and at least one of the mentioned towers must have means of tensioning (34) the electric conductor.

The device is comprised of two panels in the shape of “L”s that are interwoven with each other when they are placed on the sides of a fence. The device is secured to the ground through a series of holes for that purpose. Additionally, an expander has been placed on the section of the device, both vertical and horizontal, to address the issue of uneven terrain. A row of embedded lights is installed in each of the horizontal panels to provide additional illumination. Alternatively, a series of embedded wires may be installed in the horizontal panels that rest on the ground to provide a small (but not deadly) shock to prevent animals from entering the yard or preventing a family pet from leaving the yard.

Modular autonomous mobile fence, delimiter of grazing areas. It consists of two structures (10, 20) arranged opposite and distant from each other. Each structure (10, 20) is composed of at least two movable towers, arranged at the ends of the very same row and structurally linked to each other to form a movable row. An electric wire conductor (14, 15) is arranged between these two rows (10, 20) and forms a closed quadrilateral that delimits a closed grazing area (16). Said rows with towers and the area delimited by the electric fence can be selectively moved from one lot to the next, together with the animals kept therein. Said electric fence must have means of separation (31, 32) of the electric conductor from the ground (14, 15) and at least one of the mentioned towers must have means of tensioning (34) the electric conductor.