Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 4312035 | Apparatus for controlling electrical power in a data processing system An apparatus for controlling electrical power in a data processing system having one or more central processor units and a plurality of peripheral units, including circuitry for selectively connecting a voltage signal to each peripheral unit to cause powe... | 01/19/1982 |
| 4310828 | Programmed controller An electronic controller for providing one or more sequences of control outputs for a plurality of controlled devices. The controller includes a pulser which produces pulses at the rate of the frequency of an ac source, a divider for producing spaced puls... | 01/12/1982 |
| 4298860 | Monitor and control apparatus A monitor and control apparatus according to the present disclosure includes a configuration and environment monitor (CEM) connected to a plurality of remote station monitors of a computer system for executing commands at the remote stations and for monit... | 11/03/1981 |
| 4287939 | Air conditioning control system with local and remote control capabilities A versatile yet low cost mode selection control system for an air conditioning unit such as a combination heating and cooling unit having a plurality of operational modes, and which control system is capable of responding both to a relatively local mode s... | 09/08/1981 |
| 4284977 | Data acquisition technique for hoist and conveying systems A data acquisition system is used in an industrial environment in connection with the conveying of work pieces or the like usually through a number of processed steps such as in connection with a programmable conveying system which may be used in the fiel... | 08/18/1981 |
| 4284978 | Conveying system control A control scheme is used in a conveying system which is preferably a programmable conveying system of the station searching type including a wagon with a hoist that is capable of traveling between a number of different stations in the system. One or more ... | 08/18/1981 |
| 4284126 | Environmental control system for a multiple room structure The environmental control system of the present invention is used in a multiple room structure which includes independently actuatable heating and cooling devices in each room. This system operates by monitoring the ambient air temperature in each room an... | 08/18/1981 |
| 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 with programming control over small blocks of time, e.g. t... | 07/14/1981 |
| 4257029 | Traffic control system A traffic control system which controls the timing of a plurality of traffic lights at a plurality of intersections with a variety of timing patterns, this invention contemplates utilizing modules which will operate automatically to control the flow of tr... | 03/17/1981 |
| 4206411 | Radio controlled model aircraft control system A method and apparatus are disclosed for the emergency control of model aircraft. The incoming signals to the model are screened and, if missing or outside acceptable limits, the screened signals are replaced with a sequence of preprogrammed emergency sig... | 06/03/1980 |
| 4164730 | Externally controllable binary interrogation and decoding circuit, particularly for a remote control load selection system To permit external programming of the decoding of outputs from a binary counter, a polarized power supply is connected, selectively, through a plurality of control gates to the counter, the control gates having transfer switch characteristics and, in depe... | 08/14/1979 |
| 4137463 | Control system utilizing momentary switching devices A control system, for a machine and the like having at least one cycle made up of at least two events, utilizes momentary switching devices to actuate each cycle. The control system includes a control circuit having momentary switching devices, digital ci... | 01/30/1979 |
| 4132979 | Method and apparatus for controlling a programmable logic array A circuit is described for controlling a programmable logic array adapted for use with a communications terminal. The logic array includes an input AND-section defined by a plurality of addressable fields and an output OR-section. One field of the input s... | 01/02/1979 |
| 4124887 | Real time computer control system for automatic machines A computer controls a plurality of satellite machines in real time via a single bus comprised of undedicated, continuous transmission lines terminated at both ends in matching impedances. Each machine coupled to the bus is addressed and commanded during e... | 11/07/1978 |
| 4100533 | Multipoint polling technique A multipoint polling system wherein a multipoint switch selectively connects a plurality of remote terminals to a central station in response to remote terminal addresses transmitted on a signaling path to the multipoint switch. Polling apparatus stores p... | 07/11/1978 |
| 4086625 | Process for repeating control of working operations of several machines For telecontrolling a plurality of machines, each machine is provided with logical/analog converter and successive words are formed comprising as many logic information as the number of operations to be controlled by the machines. The words are parallely ... | 04/25/1978 |
| 4081754 | Programmable television receiver controllers Programmable television receiver controllers which may be manually programmed by a user to select or to limit the viewing selections for random times, typically in one-half hour intervals, throughout a predetermined time period such as a one week time per... | 03/28/1978 |
| 4031470 | Operation program-presetting system An Operation Program-Presetting System comprising twelve program data-supplying switches arranged in the same order as the time-indicating notations on a clock dial with means for generating a unique coded signal corresponding to the data-supplying switch... | 06/21/1977 |
| 4020464 | Programmer expander for a plurality of devices The operational states of a plurality, p, of devices is controlled in response to pre-programmed information stored in m channels of a memory device, where m is an integer. The stored information is represented by m digital signals. An encoder combines n ... | 04/26/1977 |
| 3996560 | Sequencing unit An automatic sequencing circuit is disclosed which recognizes a particular coded input signal, initiates a process or data operation, and provides a coded output indicative of the operation performed. The circuit is particularly suited to hardware impleme... | 12/07/1976 |
| 3965335 | Programable data entry system An internally programable data entry system having a microprogram memory, a microprocessor logic and programable storage means for storing program data and constant data. The data entry system permits program data and constant data to be automatically loa... | 06/22/1976 |
| 3949277 | Electric power distribution cabinet commanded by a programmable controller A cabinet for distribution of electric power controlled by a programmable controller comprising a housing for holding frames, said housing having entering therein a multibus which combines the lines carrying addresses and commands sent by the controller a... | 04/06/1976 |
| 3947819 | Apparatus for expanding channel output capacity A plurality of channel expander devices is operated in response to the channel outputs of a programmer. Means are provided for detecting information in the output channels of the programmer. The programmer output channel information is stored in a first s... | 03/30/1976 |
| 3944980 | Electronic sequence control system Electrical sequence control system. There is described an electrical sequence control system which is controlled according to a predetermined program by means of a switching circuit wherein the outputs of the binary counter are connected with n bits to th... | 03/16/1976 |
