"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7313540 | Electronic communication system and method for facilitating financial transaction bidding and reporting processes A system and method for electronically communicating investment plan information between money managers and issuers of investment contracts to facilitate plan inquiry and plan bidding processes. An import specification is defined, identifying database format charact... | 12/25/2007 |
| 7239038 | Apparatus for electrical signal generation based upon movement and associated methods A generator/sensor may include a pair of arcuate swing arms having respective opposing ends pivotally carried by a base so that the arcuate swing arms are transverse to one another and define a movable crossing point therebetween. A body may be carried by the arcuat... | 07/03/2007 |
| 7006792 | Wireless andon communication method and system A portable wireless andon communication system and method for use in manufacturing, assembly and other industrial settings. A transmitter station and receiver station are set up for immediate use by simply connecting each to a standard power source. A user needing a... | 02/28/2006 |
| 6727815 | Fire alarm system A fire alarm system may comprise a control center, a wired communication pathway connected to the control center, and a relay station having a receiver and a signal evaluation circuit connected to the communication pathway. First decentralized alarm boxes may be wir... | 04/27/2004 |
| 6532447 | Apparatus and method of controlling a voice controlled operation An electronic device, e.g. a mobile telephone, includes speech recognition means for controlling the operation of the device in response to a voice command. The device includes a proximity sensor e.g. a capacitive, inductive, or IR-red proximity sensor, f... | 03/11/2003 |
| 6487375 | System to communicate information from a plurality of machines to a remotely located receiver The invention provides automatic machinery with the capability to communicate to an operator or technician or other machine user with a description of a machine condition, such as, for example, a machine problem, if the machine requires attention.... | 11/26/2002 |
| 6060979 | Call box apparatus A call box apparatus includes a controller unit, a radio frequency audio transceiver unit controlled by the controller unit, and a sensor assembly connected to the controller unit for controlling operation of the controller unit. A power supply assembly, ... | 05/09/2000 |
| 6052052 | Portable alarm system An alarm security system is provided that interfaces a standard communications system with the monitoring of variety of remote sensors resulting in a flexible portable silent alarm. The sensor alarm conditions are communicated, with prerecorded voice info... | 04/18/2000 |
| 5828292 | Button emergency signal via incorporated transmitter A 3-button emergency signal via incorporated transmitter device including a housing with 3 push button switches situated thereon. Also included is a transmitter and a reset module positioned within the housing and in communication with the switches. The t... | 10/27/1998 |
| 5761534 | System for arbitrating packetized data from the network to the peripheral resources and prioritizing the dispatching of packets onto the network A client interface supporting a plurality of peripheral channels and a network channel. The peripheral channels include a maintenance channel, message input channel, message output channel, express channel and several DMA channels. The client interface ro... | 06/02/1998 |
| 5532677 | Variable distance marker A variable distance marker system includes a display mounted in a housing and attached to electronics circuits having a light detector for receiving externally generated light signals. A rechargeable battery and a solar cell array are interconnected for s... | 07/02/1996 |
| 5339339 | Process for carrying out an inspection round of nuclear installations Process for carrying out an inspection or monitoring round of a nuclear site (5) consisting of recording in a central computer (22) connected to a radiofrequency transmitter/receiver or transceiver (24) a combination or sequence of different collection or... | 08/16/1994 |
| 4928099 | Telemetry system for automated remote calling and central dispatch of services, particularly taxicabs Each of a large number of geographically distributed call boxes asynchronously transmits unique code-identified digital messages for taxicab request, vanadalism alarm, low power, or on-line status by Frequency Shift Keyed Bi-phase Modulated radio. To ensu... | 05/22/1990 |
| 4633231 | Monitoring arrangement Apparatus for monitoring the time duration in which a visitor remains in a defined region on the way from a visited place to another place, more particularly from the entry to the visited place and back, freely and without supervision. At the entry place,... | 12/30/1986 |
| 4630035 | Alarm system having alarm transmitter indentification codes and acoustic ranging An alarm system for sensing an alarm condition within a relevant alarm area includes one or more portable alarm units for sensing an alarm condition. Each alarm unit includes a radio frequency transmitter for identifying the alarm unit and a secondary, au... | 12/16/1986 |
| 4389635 | Interfacing attachment for remote mechanical fire alarms An attachment which converts a single station, spring powered, temperature sensitive, fire alarm protection device into a remote signalling heat detector for a central fire alarm system, without affecting the internal apparatus of the alarm device or the ... | 06/21/1983 |
| 4296408 | Location transmitting system A location transmitting system for use by one or more guards in a security system. Encoders are located at predetermined reporting locations which have no power supplies. Each guard carries a walkie-talkie radio transmitter which he places in a receptacle... | 10/20/1981 |
| 4157540 | Wireless alarm system The wireless alarm system comprises a portable wireless transmitter assembly adapted to be concealed on the person, a radio receiver and signal decoder for receiving a coded wireless signal transmitted by the radio transmitter, an adjustable timer and sig... | 06/05/1979 |
| 4017844 | Fire protection apparatus A multi-zone fire protection system in which each protected zone is provided with a detector for producing an alarm signal in response to the presence of combustion products, a source of fire extinguishing agent, and a pull box station manually operable t... | 04/12/1977 |
| 3970939 | Signal generating and transmitting apparatus A self-contained alarm signal apparatus is disclosed which comprises an electrical signal generator, and encoder connected to receive the output of the generator and to encode a message to be delivered to a transmitter, a source of stored mechanical energ... | 07/20/1976 |