...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 |
| 7921968 | Elevator traffic control including destination grouping An elevator traffic control technique includes destination grouping that is selectively implemented during selected traffic condition. One example includes determining when up peak traffic conditions exist. If so, the passenger-to-car assignments are grouped based u... | 04/12/2011 |
| 7882938 | Elevator system control providing specialized service features to facilitate a passenger accessing an assigned elevator car An elevator system (20) includes a transceiver (22) that receives at least one wirelessly transmitted signal (24). In one example, a signaling device (26) includes a plurality of switches (28) that can be activated to provide a sig... | 02/08/2011 |
| 7392883 | Elevator group control system An elevator group control apparatus collectively controls an elevator system where at least two cars can travel in each shaft independently of each other. The apparatus has a destination floor registration device installed at each hall for passengers to register des... | 07/01/2008 |
| 7392884 | Elevator group management controller An elevator group supervisory control apparatus is obtained which can achieve efficient group supervisory control while preventing or reducing the possibility of collision and the safe stopping of an upper car and a lower car in one and the same shaft as much as pos... | 07/01/2008 |
| 7353912 | Elevator system The invention relates to an elevator system with at least one shaft, in which at least two cars can be made to travel along a common traveling path, and also with a shaft information system for determining the positions and speeds of the cars, which is connected to ... | 04/08/2008 |
| 7353915 | Automatic destination entry system with override capability An elevator system (20) utilizes destination entry dispatching techniques. A controller (28) receives an automated destination request that includes a prestored, primary destination. This allows for seamlessly integrating building access and destinatio... | 04/08/2008 |
| 7347303 | Method and apparatus for generating elevator calls A method and a system for generating a request for elevator service in which the elevator user receives with his/her terminal a general transmission of information about the elevator system from base stations placed in the elevator lobby of the building. By way of t... | 03/25/2008 |
| 7319967 | Procedures, system and computer program for the presentation of multimedia contents in elevator installations A procedure, a system and a computer program product presents multimedia contents in elevator installations. At least one user profile with multimedia contents is provided for an associated elevator user. When the user is identified in proximity to the elevator syst... | 01/15/2008 |
| 7319968 | Procedures, system and computer program product for the presentation of multimedia contents in elevator installations A method, a system and a computer program product presents multimedia contents in elevator installations. At least one individual user profile with multimedia contents is stored for each elevator user. When a user is identified, the multimedia contents in the associ... | 01/15/2008 |
| 7319966 | Method of communicating information for elevator users A method of communicating information to elevator users utilizes a building server to store elevator user personal information profiles and information to be communicated. When an elevator user is identified, the building server communicates a portion of the stored ... | 01/15/2008 |
| 7281610 | Elevator control based on group size A method for allocating an elevator in a destination floor elevator system. An elevator group includes several elevators, a passenger data terminal for reserving elevators for use by passengers, and an elevator group control system for controlling the elevators in r... | 10/16/2007 |
| 7266505 | Procedures, system and computer program product for the presentation of multimedia contents in elevator installations A method, a system and a computer program product presents multimedia contents in elevator installations. At least one individual user profile with multimedia contents is stored for each elevator user. When a user is identified, the multimedia contents in the associ... | 09/04/2007 |
| 7258203 | Method for controlling the elevators in an elevator group The present invention relates to a method for controlling the elevators of an elevator group in a building divided into zones comprising different floors in such manner that, at the passenger's departure floor, the elevators are given calls to floors beyond the zone... | 08/21/2007 |
| 7213685 | Control device and control method for elevator An elevator control device which realizes, in a multi-car system, operation control superior in transportation efficiency. A first shunting device outputs a first shunting command for moving a car which has responded to a call request to a shunting floor. A blocked ... | 05/08/2007 |
| 7162233 | Elevator call registration system In an elevator call registration system, elevator-related information is constantly transmitted from an elevator call registration server, and a call registration reservation for a desired elevator can be made by selecting contents from the information. Therefore, i... | 01/09/2007 |
| 7093693 | Elevator access control system and method An information and access control system and associated methods for personnel transport devices. In one embodiment, the system comprises a signal emitter capable of emitting electromagnetic energy of a first frequency, the electromagnetic energy including first data... | 08/22/2006 |
| 7032716 | Destination selection control for elevator installation having multiple elevator cars The invention relates to a method for controlling an elevator installation with at least one shaft and a number of cars, it being possible to make at least two cars travel separately up and down along a common traveling path and a passenger being able to enter a des... | 04/25/2006 |
| 7025180 | Method of and device for controlling an elevator installation with zonal control A method of controlling an elevator installation having a plurality of cars in a building with floors subdivided into several zones wherein travel orders are allocated to the cars. There is no allocation to an elevator car, which has just been allocated a travel ord... | 04/11/2006 |
| 6991068 | Method for controlling the elevators in an elevator bank in a building divided into zones Method for controlling the elevators in an elevator bank in a building divided into zones has a plurality of floors via a process whereby destination floor calls are issued to the elevators by destination floor call input devices in the lobby of departure and the ca... | 01/31/2006 |
| 6948592 | Elevators equipped with emergency medical devices The invention provides an elevator cab equipped with an emergency medical device, such as an automated external defibrillator (AED). The elevator cab equipped with the emergency medical device may be controlled in order to deliver the emergency medical device to a f... | 09/27/2005 |
| 6905003 | Elevator group supervisory control device An elevator group supervisory control system for an elevator system including indicators of positions of elevators, for a group supervisory control of elevators, in which a car reversal, which becomes a cause of irritation for passengers, is curbed. For a hall call ... | 06/14/2005 |
| 6868945 | Method for controlling an elevator utilizing a mobile telephone The invention relates to the equipping of an elevator (1, 2) with hardware in order to control the same. This hardware is provided in the form of a customary radio telephone (3) which serves as a unit for controlling the elevator. The radio telephone (... | 03/22/2005 |
| 6808049 | Optimal parking of free cars in elevator group control A method controls the distribution of free cars in an elevator system. First, the number of free cars in the elevator system are counted whenever this number changes. At the same time, the arrival/destination rates of passengers at each of the floor is determined. T... | 10/26/2004 |
| 6601678 | Method of allocating elevator cars to operating groups of a destination call control A method of allocating elevator cars to operating groups in which the cars execute travel tasks for specific zones. For example, each elevator car can be assigned to an operating group (EXP) for long-distance trips, an operating group (LOC) for local trip... | 08/05/2003 |
| 6394231 | Method of communication of travel destination information between user and a plural vehicle transport system A transport system with several autonomous vehicles includes a terminal for a user to input his travel destination. The boarding location and the allocated vehicle are selected for serving the travel request and this information is communicated to the use... | 05/28/2002 |
| 6209685 | Selective, automatic elevator call registering system Each elevator corridor of an elevator system has a transponder beacon disposed near each access to the corridor, each potential passenger, including regular tenants and visitors, carries a responder, such as an RFID responder, so as to provide an indicati... | 04/03/2001 |
| 6202799 | Processing and registering automatic elevator cell destinations The next destination for an automatically registered elevator call is displayed to a passenger on a portable card that he carries, when he passes a beacon adjacent to the elevator, only if the destination is designated as "fixed"; if the destination is de... | 03/20/2001 |
| 6161655 | Non-contact elevator call button An elevator call button transmits infrared radiation into the space adjacent an elevator, and a call request is recognized by infrared radiation reflected from a potential passenger to an infrared receiver. Thus not only is contact with the button not req... | 12/19/2000 |
| 6011839 | Control device for a lift A control device for access and lift operation to a predetermined story in multi-family dwellings or other buildings is provided. Call input devices which may comprise a first input button and a second input button are provided in the upper stories of the... | 01/04/2000 |
| 5331121 | Elevator control apparatus An elevator control apparatus determines an estimation of a car's crowdedness based on the a car's crowdedness when the car stops or passes an elevator hall, and controls an operation of the car using the obtained estimated car crowdedness. The elevator c... | 07/19/1994 |
| 5258587 | Estimating elevator passengers from gender ratioed weight For any given sensed load weight in an elevator car, the union (30-36) of a fuzzy set (FIG. 2) indicative of the likelihood of possible number of male passengers causing the sensed weight, taking into account the relative mix of males in the total populat... | 11/02/1993 |
| 5243155 | Estimating number of people waiting for an elevator car based on crop and fuzzy values The number of hall passengers waiting at a stop for service by an elevator car is determined by first calculating instantaneous passenger rates whenever a hall call button is pressed or whenever passengers board an elevator car. The instantaneous passenge... | 09/07/1993 |
| 5233138 | Elevator control apparatus using evaluation factors and fuzzy logic An elevator control apparatus includes a fuzzy rule base having fuzzy rules stored therein which govern the selection of an elevator cage to be assigned to respond to a call. A reasoning unit is provided for selecting the appropriate fuzzy rule to be appl... | 08/03/1993 |
| 5219042 | Using fuzzy logic to determine the number of passengers entering and exiting an elevator car Embedded elevator control software, responsive to WEIGHT, CARCALLS, HALLCALLS and STOPS signals, uses fuzzy logic to determine the number of passengers entering and exiting an elevator car at a stop. The software forms three fuzzy logic sets representing ... | 06/15/1993 |
| 5146053 | Elevator dispatching based on remaining response time The present invention is directed to assigning an elevator car in response to a hall call, based on a series of bonuses and penalties and remaining response time, defined herein as an estimation of the amount of time required for an elevator car to reach ... | 09/08/1992 |
| 4708224 | Apparatus for the load dependent control of an elevator An elevator control system includes a car load measuring device for generating a car load signal representing the number of passengers in an elevator car and a floor load sensor for generating a signal representing the number of passengers waiting for an ... | 11/24/1987 |
| 4469199 | Elevator system An elevator system in which indicia in the hatchway to signal elevator car slowdown points for the floors of a building are also used to maintain and update the advanced car position. The advanced car position is changed to the next floor in the car's tra... | 09/04/1984 |
| 4440266 | Rack and pinion lift system The invention relates to rack and pinion lifts, which include a lift car which is driven via toothed wheels by means of an electromotor along a rack carried by a lift mast, said car containing a control and maneuver unit for the electric motor with a cont... | 04/03/1984 |
| 4337847 | Drive control for an elevator A drive control for transportation systems, especially elevators or the like, improves the stopping accuracy of the elevator cabin at a storey or floor of the building. A reference value transmitter operated by a digital computer produces step-like succes... | 07/06/1982 |