181 results about "Delayed periods" patented technology

A delay-locked loop (DLL) to produce a plurality of delayed clock signals comprising combinational logic for false lock detection is provided. The combinational logic uses only a subset of the plurality of delayed clock signals to provide a forward indicator indicating a delay period (Δt) is longer than a desired delay period. The combinational logic further provides a back indicator indicating the delay period (Δt) is shorter than a desired delay period.

Methods for controlling irrigation devices coupled to and receiving operational power from a multi-wire interface of an irrigation system, and related irrigation devices, are provided. In some forms, the methods define initialization of the irrigation devices having received operational power, including the timing of charging, discharging and recharging of the irrigation devices in order to provide a time staggered recharging of the energy reserves of the irrigation devices. In some forms, the methods involve the use of different delay periods at different irrigation devices coupled to irrigation valves to place multiple irrigation valves into a known position. In some embodiments, these methods spread out the usage of charging energy drawn from the multi-wire interface by the irrigation devices coupled thereto to reduce inrush currents.

A programmable, customizable system, method, and apparatus for attracting and stimulating aquatic animals are disclosed. The present invention provides for the underwater playback of digitally prerecorded “signature” sounds of prey, and of prey being attacked and eaten, in order to attract fish and other species and stimulate them to strike and feed more aggressively. Playback is achieved by selecting any of a plurality of signature sound recordings stored on a memory device which is located and controlled above water. One sound, all sounds, or a selected sequence of sounds may be selected from the memory device to be played underwater. Underwater playback is achieved by use of a submersible transducer device which may function as both a speaker and a hydrophone. Underwater playback may be customized and controlled above water by providing a number of customized operational modes. For example, a user may select a sound recording to be repeatedly played in a loop, with each iteration separated by a delay period, the length of which is selected by the user. In addition, the user may select a plurality of different sound recordings, and specify the sequence and volume at which they are played underwater, as well as a delay period between each recording. The user may also select all sound recordings to be played at a selected volume level, and the user may further specify a delay period between each recording. Furthermore, the user may select sound recordings to be played underwater at varying volume levels according to selections made by the user.