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 |
| 8177035 | Elevator system which controls a value of overspeed An elevator system in which a controller monitors whether or not a speed of an ascending/descending body reaches a preset overspeed. At a time of maintenance work, a stopper is interposed between a buffer and the ascending/descending body to limit a lowered position... | 05/15/2012 |
| 8177034 | Elevator system which controls a value of overspeed An elevator system in which a controller monitors whether or not a speed of an ascending/descending body reaches a preset overspeed. At a time of maintenance work, a stopper is interposed between a buffer and the ascending/descending body to limit a lowered position... | 05/15/2012 |
| 8136637 | Safety device for securing minimum spaces at the top or bottom of an elevator shaft being inspected, and elevator having such safety devices A safety device for an elevator system includes a retractable element mounted on a support. The retractable element has a stopping position in which a catch portion of the retractable element projects from the support to engage a triggering member of a safety brake ... | 03/20/2012 |
| 8136636 | Elevator hall call system including a programmable adaptable touch screen Elevator hall call devices have a programmable touch screen which can be programmed to display (a) ten-key destination call buttons, (b) up hall call and down hall call buttons, or (c) N-key destination buttons, as well as buttons which identify utilization of major... | 03/20/2012 |
| 8118140 | Elevator system with a controller of fast start of travel and method in conjunction with the same An elevator system and a method for accelerating the starting of travel in an elevator system are provided. The elevator system includes an elevator control system for implementing controlled motion of an elevator car; a door mechanism control system for implementin... | 02/21/2012 |
| 8118139 | Thermoelectric temperature control with convective air flow for cooling elevator components Components of an elevator system are cooled using natural convective airflow in conjunction with thermoelectric heating and cooling. Rising air within the hoistway is funneled into a cold air duct (20) and a warm air duct (22). As air flows vertically ... | 02/21/2012 |
| 8104586 | Elevator motor brake torque measurement device An elevator machine (20) assembly useful in an elevator system (10) includes a motor frame (26) that supports a motor (24) for selectively rotating a motor shaft (28). A brake (36) selectively applies a braking force to resi... | 01/31/2012 |
| 8096388 | Elevator system for transmitting information to passenger An elevator system has a data receiving unit that receives service state data transmitted from a control device of an elevator. A pulse modulation unit separates the service state data received by the data receiving unit into first information data and second inform... | 01/17/2012 |
| 8083034 | Lift control interface A lift control interface is operable to control and monitor a lift system. Each lift column in the system has such a lift control interface. The lift control interface allows a user to assign lift columns to a lift system. One or more of the assigned lift columns ma... | 12/27/2011 |
| 8069957 | Elevator display system providing an indication of an estimated arrival of an elevator car An elevator target floor registration unit, which displays an estimated amount of time until an assigned elevator car arrives, reduces feelings of uneasiness. Various target floor registration units by which a user may register a target floor are installed on respec... | 12/06/2011 |
| 8051955 | Elevator alert for fluid overflow into elevator pit The elevator alert includes an elevator pit can (10) and a float switch (240) disposed therein. The float switch (240) produces an alarm-activating signal when the pit can (10) is nearly full and overflow of oil into the pit is imminent. ... | 11/08/2011 |
| 8028808 | Retractable stop for maintaining overhead clearance above an elevator car An assembly (30) controls the amount of downward movement of a counterweight (24) within an elevator system (20). By limiting the downward movement of the counterweight (24), a desired overhead clearance above an elevator car (22) ... | 10/04/2011 |
| 8028809 | Elevator system control providing specialized service features and individual location information 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... | 10/04/2011 |
| 8028807 | Remote recording of maintenance operations for an elevator or escalator installation A method and device for maintenance of an elevator installation or an escalator installation communicates the presence of a maintenance technician at the elevator or escalator installation to a remote service center. The service center is thus informed about that th... | 10/04/2011 |
| 7980363 | Elevator safety arrangement having safety spaces An elevator safety arrangement and a method for implementing safety spaces in an elevator has a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying th... | 07/19/2011 |
| 7921969 | Restriction of output of electrical drive and protection of an elevator A method for restricting the output of an electrical drive and for protection of an elevator are provided. The electrical drive includes a motor as well as a power supply appliance of the motor. In the method for restricting the output of an electrical drive the sta... | 04/12/2011 |
| 7905330 | Door control safety arrangement for transportation system A system and a method for monitoring a safety circuit are presented. The system includes a control appliance and the safety circuit comprises at least one serial circuit of two or more switches. The arrangement system also includes a way of measuring the status of a... | 03/15/2011 |
| 7896138 | Elevator arrangement The invention concerns an arrangement and a method for controlling the power supply of the load of an elevator system. The arrangement has at least a monitoring unit and at least one controllable power source. The controllable power source is connected between the l... | 03/01/2011 |
| 7882939 | Elevator operating apparatus An elevator operation controller can land the elevator cage of an elevator at a predetermined floor by giving a command to the elevator without using a special key or a special portable terminal. An elevator operation controller 10 includes a receiving unit | 02/08/2011 |
| 7857105 | System and method for forming information pertaining to a transportation device The present invention relates to a system for forming information pertaining to a transportation device, such as an elevator. Audio visual information of the contents of an elevator, such as a person using the elevator, is captured and transmitted to a remote comput... | 12/28/2010 |
| 7819230 | Method of assigning a user to an elevator system and such an elevator system A method of assigning a user to an elevator system with several elevators wherein a user issues a destination call, at least one elevator is determined to serve the destination call and is announced to the user by an acoustic signal that identifies the elevator. All... | 10/26/2010 |
| 7798290 | Arrangement in an elevator without counterweight The present invention relates to an arrangement in an elevator without counterweight, which comprises at least a control unit (5), a hoisting machine (3) and a traction sheave (4) connected to it, and an elevator car (1) suspended on hois... | 09/21/2010 |
| 7793761 | Elevator car lighting equipment for guidance of persons Lighting equipment of an elevator car and a method for guidance of persons in an elevator provides a floor indication that communicates to the passenger, in a simple and clear manner, reaching of his or her destination floor, even in high buildings with numerous flo... | 09/14/2010 |
| 7775329 | Method and detection system for monitoring the speed of an elevator car A method and detection system monitors the speed of an elevator car and, in case of excess speed caused by brake failure of a motor brake or shaft fracture of a drive pulley shaft, a safety circuit is opened and the detection system is transferred from a normal oper... | 08/17/2010 |
| 7721852 | Control device of elevator In an elevator control apparatus, the presence/absence of an abnormality in an elevator is monitored by an abnormality monitoring portion. The abnormality monitoring portion makes a determination on the presence/absence of an abnormality in the elevator based on inf... | 05/25/2010 |
| 7712586 | Passenger guiding system for a passenger transportation system Passenger transportation system (4) including a hallway (2) providing access to at least one transport car (6, 8, 10, 12) and a control for controlling the movement of the cars, characterized by a passenger trajectory tracking device (16)... | 05/11/2010 |
| 7712587 | Elevator system and method of monitoring elevators by using a virtual elevator group The present invention relates to a method and an elevator system for monitoring elevators by using a virtual elevator group. The method for monitoring elevators in an elevator system including a plurality of elevators classified into a plurality of elevator groups, ... | 05/11/2010 |
| 7708118 | Condition monitoring method Method for the condition monitoring of the safety switches of the safety circuit of an elevator. Inferences can be made about the condition of a safety switch by measuring and examining the current of the safety circuit of the elevator after the state of the safety ... | 05/04/2010 |
| 7699142 | Diagnostic system having user defined sequence logic map for a transportation device A diagnostic system for a transportation device includes an analyzer unit. The analyzer unit includes a user defined sequence logic map. The sequence logic map defines a sequence for a plurality of name inputs. The analyzer unit is configured to monitor the operatin... | 04/20/2010 |
| 7686139 | Elevator device In an elevator apparatus, a brake device for braking the running of a car is controlled by a brake control device. The brake control device monitors a speed of the car and a degree of deceleration of the car at a time of emergency braking of the car. When the degree... | 03/30/2010 |
| 7677364 | Elevator installation comprising a light module in the door sill profile An elevator installation contains an elevator car (12) that is arranged movably between floors (S1, S2) in an elevator hoistway (11). The elevator car (12) has a car door (14), and the elevator hoistway (11) has on th... | 03/16/2010 |
| 7669696 | Equipment for producing shaft information Equipment for producing shaft information consists of a housing, a base, a first cover, a sliding guide with a code carrier and an electronic circuitboard with a sensor for detection of a code on a code carrier and electronic circuits for evaluation of the detected ... | 03/02/2010 |
| 7669697 | Elevator apparatus In an elevator apparatus, a brake control device has a first brake control portion, a second brake control portion, and a third brake control portion. The first brake control portion operates a hoisting machine brake to stop a ascending/descending body as an emergen... | 03/02/2010 |
| 7665581 | Method and device for automatic checking of the availability of technical equipment in or at a building The method serves for automatic checking of the availability of technical equipment which is arranged in or at a building and executes at least one repeatable procedure, and comprises the following steps. There is determined at least one estimated value (NS | 02/23/2010 |
| 7617911 | Method and system for detecting and stopping uncontrolled movement of an elevator car in an elevator Method and system for detecting and stopping uncontrolled movement of the car (1) in an elevator. In the method movement of the car is detected with the first movement detection means (2, 3, 4, 5, 6) when the brake (8) of the drive machinery ( | 11/17/2009 |
| 7614482 | Elevator rope slip detector and elevator system In an elevator apparatus, a pulley is provided in a hoistway. A rope that moves together with the movement of a car is wound around the pulley. Further, the pulley is provided with a pulley sensor for generating a signal according to the rotation of the pulley. The ... | 11/10/2009 |
| 7600613 | RFID and low resolution CCD sensor based positioning system An apparatus and method for measuring a position of a moveable platform comprising a plurality of RFID tags encoded with location information situated at known locations and a plurality of visual markers situated at precise, known locations. An RF reader attached to... | 10/13/2009 |
| 7591348 | Destination floor register for elevator A destination floor registering apparatus that can at any time and appropriately afford information on each floor to elevator users. For this purpose, a floor information display is provided for each destination button so that the contents of displays of the floor i... | 09/22/2009 |
| 7588127 | Elevator rail joint detector and elevator system In an elevator apparatus, a guide rail has a plurality of unit rails that are vertically connected to each other. A car is provided with a rail joint detecting device mounted on the car, for detecting the presence/absence of a joint between each of the unit rails. T... | 09/15/2009 |
| 7578373 | Elevator rope slip detector and elevator system In an elevator apparatus, a pulley is provided in a hoistway. A rope that moves together with the movement of a car is wound around the pulley. Further, the pulley is provided with a pulley sensor for generating a signal according to the rotation of the pulley. A ro... | 08/25/2009 |
