Matches 51 - 100 out of 102 < 1 2 3 >
Match Document Document Title
5602728 Three button programmable sprinkler controller  
A three button programmable sprinkler control system includes a control module having an LCD display, a decrement button, an increment button, and a set or select button. In a preferred embodiment,...
5576734 Keyboard emulator system  
A keyboard emulator system (10) is provided for transmitting simulated keyboard and track ball entries to a control console (100) of a real time data processing system. The simulated keyboard and...
5568376 Irrigation controller  
An improved irrigation controller of solid state design utilizes a microcomputer which retains and executes a watering schedule input by a user through data input means. One of the parameters of...
5479339 Irrigation control and management system  
A system and method for providing cooperative control of irrigation between a groundskeeper having immediate supervision on plants to be irrigated and management personnel remotely located by using...
5479338 Programmable controller apparatus for irrigation systems  
A programmable controller apparatus and method for irrigation systems including at least one removable control module interfacing with internal circuitry of the programmable controller for...
5473309 Apparatus for testing an irrigation system controller and method of testing irrigation systems  
An apparatus for testing the operation of an irrigation system is disclosed. The apparatus pinpoints defects in the irrigation system controller by simulating control signals and processing the...
5461558 Method and apparatus having time dependent sleep modes  
A remote meter reading system (10) includes a group of meter interface units in which each meter interface unit (12) operates between periods of activity and inactivity. The meter interface unit...
5444611 Lawn and garden irrigation controller  
An improved irrigation controller is provided for selectively turning ON and OFF each of a plurality of sprinkler valve stations around a lawn or garden. The controller permits direct entry on a...
5428526 Programmable controller with time periodic communication  
A communication module has a backplane interface circuit that enables the module to communicate with other components of the programmable controller, and has a network interface circuit which sends...
5426775 Method and a device for booting a computer at a programmed time  
A booting method for a microcomputer consists in executing a Power On Self Test program, loading an operating system and executing at least one current startup file including user-selected...
5414618 Irrigation controller with analog data input devices  
An improved irrigation controller of solid state design utilizes a microcomputer which retains and executes a watering schedule. A plurality of analog data input devices are provided with one input...
5381331 Irrigation controller  
An improved irrigation controller of solid state design utilizes a microcomputer which retains and executes a watering schedule input by a user through data input means. A rain delay push button...
5363290 Irrigation controller  
An improved irrigation controller of solid state design utilizes a microcomputer which retains and executes a watering schedule input by a user through data input means. One of the parameters of...
5272620 Irrigation controller with rain delay feature  
An improved irrigation controller of solid state design utilizes a microcomputer which retains and executes a watering schedule input by a user through data input means. A rain delay push button...
5195025 System and method for dynamic change of computer system and subsystem time-of-day clocks  
A system and method for dynamically changing a computer's time-related control blocks to coincide with seasonal time-of-day changes is shown including a first module for synchronizing the...
5160853 Electronic timer switch with time tracker  
A programmable timer for turning a light on and off in response to changing sunset, daylight savings time, and other programmable conditions. The programmable timer includes an input device, a...
5038268 Irrigation system controller apparatus  
A computer-based controller controls and displays, on a real-time basis, the operation of a large number of watering stations. The controller provides functional statistics, assessment of the...
4951204 Irrigation controller having means for watering after failure in primary and back-up power supplies  
An irrigation controller having means for insuring watering, even after a failure in its primary and back-up power supplies. During a failure in the primary supply, the back-up supply is examined...
4937732 Irrigation controller  
An irrigation controller includes a microprocessor for controlling a plurality of watering stations under program control according to a plurality of parameter values, and a module dimensioned and...
4922407 Modular electronic timer switch system  
Each of several, typically three, microprocessorcontrolled modular electronic timers is selectably electrically pluggable to each of several, typically four, custom packaged modular switches. Each...
4851708 Timeswitches  
A programmable timeswitch comprises a microcontroller and a switching relay for controlling the supply of electricity to electrical apparatus in accordance with a predetermined `yearly` program...
4852051 Flexible irrigation controller  
The present invention discloses a simplified solid state controller for flexible use in controlling many individual watering stations that make up an automatic irrigation system. The operator input...
4847782 Energy management system with responder unit having an override  
An energy management system provides energy managing signals over a medium, such as TV cables, power lines, telephone lines or free space radio frequency transmissions, to a plurality of subscriber...
4847781 Energy management system  
Described herein is an energy management system in which a central unit provides a series of energy managing signals over a medium, such as TV cables, power lines, telephone lines or free space...
4841474 Computer system with work stations at remote positions and reserve battery power supply  
A computer system having a central machine, work stations and a background memory, wherein the central machine has an active state, a standby state, a battery power supply state and a rest state, a...
4837731 System for time programming of states by communicating time data via a continuously rotatable potentiometer  
The present invention is a technique for operator entry of a time program into a programmable device. An operator adjustable input device having associated time indicia is employed to enter a time...
4769765 Controlled access programmable event timer system  
A control system is disclosed which can be attached to equipment such as appliances or automobiles, or built in as a part thereof. The control system includes an enabling/disabling device such as a...
4677310 Power supply control device for copier having timer  
A power supply control device for a copier of the type having a timer therein is disclosed. The device allows a power supply of the copier to be turned on and off at any desired time which is set...
4649489 Method for date-setting electronically-controlled postage machines  
A method for setting type wheels of a date printer in electronically-controlled postage machines, includes print rollers, gear racks connected to the print rollers and the type wheels, stepping...
4573127 Programmable electronic real-time load controller, and apparatus therefor, providing for updating of preset calendar events  
Certain calendar events, such as the standard/daylight time transition or a holiday such as Labor Day, always occur on the same alphabetic day always having the same relationship to the beginning...
4570216 Programmable switch  
A fully automatic programmable wall switch timer for controlling lighting circuits is described. The device provides user selected lighting circuit operation at predetermined event times, for...
4567557 Building intelligence system  
A building intelligence system is disclosed that is compact in construction and includes a single cabinet within which all of the operating components are housed. The system incorporates an...
4521869 Program timer control  
A program timer control is disclosed for applying one of at least two functions to a parameter controller which is varied over the course of a full day. A day counter counts the passage of days and...
4521843 Programmable wall switch for controlling lighting times and loads  
A programmable wall switch for controlling the time for turning on and for turning off an incandescent light includes a rectifying circuit for producing from the AC power line a selected DC...
4475153 Method and apparatus for automatic control of electronic equipment  
An electronic device, such as a video tape recorder (VTR), is set into a desired, but complex mode, such as automatic recording of a desired program, by manual scanning with an optical wand or...
4471424 Apparatus and method for conditioning grain  
Method and apparatus for conditioning grain with the aid of a digital computer. Preset ventilation and aeration start and stop times are provided with environment sensitive override conditions.
4466074 Power outage timer  
The power outage timer (36, 136, or 236) forms a part of an electronic watt-hour meter (10) having a microprocessor (22), a real time value memory and a real time clock signal input from a voltage...
4386649 Programmable thermostatic control device  
A programmable thermostatic control device for controlling the temperature within a preselected zone of an enclosed environment. The device can be readily installed and utilizes an interface unit...
4387420 Programmable clock  
A user programmable clock which is both simple to program and capable of executing relatively complex events. The front panel has a display divided into a plurality of functional blocks, with an...
4368408 Time controlled light dimmer  
A method and apparatus for dimming traffic lights during hours of darkness to conserve energy. Electronic circuitry provides storage for weekly tables of twilight times for particular geographic...
4316256 Thermostat with automatic heat/air conditioning changeover  
A microcomputer controlled digital thermostat has separate, independent registers for storing heating control information and cooling control information. On a periodic basis, the microcomputer...
4295191 Programmable control system  
A programmable multi-channel automatic control system is disclosed. A user-accessible front panel is prorammed by the insertion of program pins into program time slots that correspond to one hour...
4279012 Programmable appliance controller  
Programmable apparatus for providing random on/off control of electrical devices such as appliances. Such control may be programmed for an entire week, with different programming for each day, and...
4244022 Irrigation control system  
A solid state control system for large-scale irrigation is disclosed. The system incorporates a central processing unit having a master clock and a central/syringe timing module system connected to...
4213174 Programmable sequence controller with drum emulation and improved power-down power-up circuitry  
A programmable sequence controller is disclosed utilizing digital and analog inputs in order to generate digital output driver signals for the control of external systems or devices. The controller...
4193120 Addressable event display and control system  
An addressable event display and control system for use with a clock controlled programmable memory employs an array of LED's as event designators each of which signifies, when energized, a...
4190884 Automatic digital water control system  
An automatic digital system is disclosed for controlling the duration and frequency of application of water to a lawn or the like. The system includes a keyboard to facilitate programming and/or...
4162036 Solid state thermostat with digital display  
A solid state thermostatic device having two programmable temperature control circuits, one of which, when energized, serves to maintain a comfort controlled region at a high temperature level and...
4071745 Programmable time varying control system and method  
An electronic system and method are disclosed for controlling a measured temperature during a sequence of time intervals, in accordance with a sequence of selected reference temperatures, each...
3903515 Method of and apparatus for controlling the performance of timed functions  
A method of and apparatus for controlling the selective performance of a plurality of predetermined functions at preselected times. Time and function data representing functions to be performed and...
Matches 51 - 100 out of 102 < 1 2 3 >