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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7355867 | Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage Disclosed is an invention relating to a power supply for use in an apparatus for measuring electrical energy, comprising, in one embodiment, a first switching device, a device for storing electrical charge in electrical connection with the first switching device, a ... | 04/08/2008 |
| 7339805 | Power supply having voltage blocking clamp A power supply comprises a rectifier, a transformer, a switching member, a controller and a voltage blocking clamp. A power supply can receive an alternating current (AC) input voltage having any magnitude within a wide range of AC input voltage magnitudes and can p... | 03/04/2008 |
| 7266184 | Securely sending notification of a new incoming e-mail message by way of a public network A system notifies a computing device of an incoming message. In the system, a message server is coupled to a data communications network for receiving the incoming message, and a communications system is coupled to the message server so that the message server can c... | 09/04/2007 |
| 7180282 | Apparatus for metering at least one type of electrical power over a predetermined range of service voltages Methods and apparatus for supplying power for use in metering electrical energy over a wide range of voltages with a single meter are disclosed. The wide ranging meter includes a processing unit for processing divided input voltage and a current component in order t... | 02/20/2007 |
| 7106466 | Method and apparatus for effectively controlling use of specific communications service A communications terminal is connected to at least one of a telephone line and a local area network and includes a first memory, a second memory, a detector, and an indicating mechanism. The first memory stores service information including availability information ... | 09/12/2006 |
| 6993123 | Intelligent access control system In operational environments where local loop generation equipment is used, communication interruptions between a central office and a customer premises device is minimized by using a dedicated communications link between the local loop generation equipment and the c... | 01/31/2006 |
| 6965307 | Sign sentry A Sign Sentry monitoring system for monitoring lighting. The Sign Sentry system includes a plurality of current sensors for inductively sensing current passing through each lighting circuit. The sign sentry system includes a monitoring panel mounted proximate the si... | 11/15/2005 |
| 6389122 | Method and system for controlling and switching power source associated with electrical devices The present invention relates to a switching system which can control a corresponding load by means of manipulating a manual switch and a remote control switch, and optionally turn on/off any load among a plurality of loads via a telephone line even thoug... | 05/14/2002 |
| 6137878 | Method for outputting user feedback audio messages and telecommunications equipment employing said method Speech messages as user feedback audio signals in electrical/electronic apparatus are more informative to users and better at holding their attention. However, in telecommunications equipment involving transmission of data or signals over a link that has ... | 10/24/2000 |
| 6115456 | Remote control system A remote control system for controlling electrical apparatus in customer premises includes a home control interface for connection by way of network termination equipment, e.g., a telephone socket, to a communications line to a telephone exchange. The hom... | 09/05/2000 |
| 6041106 | Access control apparatus for use with buildings, gated properties and the like An access control apparatus with an outer housing including a door and a plurality of outer keys, a substantially closed inner housing that is removably mounted within the outer housing, and an electronic communication device within the inner housing whic... | 03/21/2000 |
| 5838250 | Remote-control apparatus and image input apparatus A remote-control apparatus for remotely controlling one or more controlled apparatuses includes a video camera capable of inputting an image of a controlled apparatus and outputting the input image to outside the remote-control apparatus, and a controller... | 11/17/1998 |
| 5819071 | Remote simulation of data transmission A user machine simulates data transmission by remotely accessing and starting up a remote machine, and communicating the data transmission method to be simulated to the remote machine. The remote machine simulates the data transmission and returns simulat... | 10/06/1998 |
| 5761320 | Audio distribution system having programmable zoning features A signal distribution and communication arrangement includes an electronic processor-based master control unit which controls the broadcast of different types of signals through speakers located in various zones. The system includes a telephone interfaced... | 06/02/1998 |
| 5734701 | Information transmission/reception device While the answering machine is recording a message from a remote caller, if it is determined that an automatic reproduction request code has been inputted over the telephone, the time and day designated by the remote caller on which the message is to be r... | 03/31/1998 |
| 5636263 | Dispatcher-activated response identification light (DARIL) and method for use thereof Apparatus is disclosed that will temporarily identify a building, house, or other structure to which emergency personnel have been dispatched. The apparatus, which is activated remotely by an emergency service dispatcher, includes, in one embodiment, a hi... | 06/03/1997 |
| 5610975 | Visual telephone apparatus A visual telephone apparatus of the present invention is capable of deciding whether the apparatus of the other party of communication is a normal telephone apparatus or facsimile equipment by the operator who hears the data received from a connected comm... | 03/11/1997 |
| 5600711 | Apparatus and methods for providing initializing settings to an appliance Apparatus and methods are provided for setting a clock in an appliance. The method includes the steps of initiating a telephone connection with a remote site, downloading over the telephone connection a first sequence of commands for setting the clock in ... | 02/04/1997 |
| 5570415 | Video programming and storage control using the telephone network This invention relates to a multi-function, hand-held, wireless, remote control apparatus for television viewer use. An apparatus that permits the viewer to use the public telephone network, to control the selection and distribution of television entertai... | 10/29/1996 |
| 5506892 | System for performing at least one of a checking and adjusting operations for electronic equipment using a telephone In order to achieve check and adjustment of electronic apparatus such as a VTR from a remote location, a tone dialer in a service company converts commands and data into tone signals for checking and adjusting a VTR in a user's house, which tone signals a... | 04/09/1996 |
| 5500794 | Distribution system and method for menu-driven user interface An apparatus for distributing control menus over a multi-channel distribution network such as a CEBus throughout a home is disclosed. The apparatus includes a controller such as a personal computer for centrally generating control menus as video informati... | 03/19/1996 |
| 5424587 | Integrated electrical/communication system hardware In a preferred embodiment, a power module for use in an electrical system of the type having a multiplexer which provides an output signal in response to an input signal, the output signal commanding that electrical power be furnished to a device, the pow... | 06/13/1995 |
| 5410326 | Programmable remote control device for interacting with a plurality of remotely controlled devices A universal remote control device which is programmed to operate a variety of consumer products is disclosed. The device is connected over a bidirectional link to either a cable converter or a telephone interface for receiving programming information. A t... | 04/25/1995 |
| 5363431 | Visual message waiting indication in a telephone voice message system A telephone system which offers a voice message service and which enables visual indication of waiting messages at subscriber locations using suppressed ringing connections through the switching network of the system.... | 11/08/1994 |
| 5315644 | Telephone interface circuit A circuit for interfacing a host telephone system having a trunk line pair with a central office line pair and an additional circuit line pair includes a loop current monitor circuit for monitoring the host telephone system trunk line pair which is normal... | 05/24/1994 |
| 5261061 | Remote maintenance and administration method in a switchboard system There is disclosed a method capable of maintaining and administering remotely a switchboard at each site with a computer in the remote switching operation center which gets through a public switching telephone network (PSTN). The improvement allows that a... | 11/09/1993 |
| 5216228 | Bar code transmission and reception system and method A bar code communication system and method uses a bar code reader to scan a bar code to develop an audible signal that is acoustically coupled to a telephone line. The signal on the telephone line is received by a called station, decoded and the content o... | 06/01/1993 |
| 5200987 | Remote supervisory monitoring and control apparatus connected to monitored equipment A monitoring and control system has a programmable apparatus connected to equipment to be monitored. The apparatus receives inputs from the monitored equipment, detects alarm conditions when the monitored inputs reach predetermined values, dials automatic... | 04/06/1993 |
| 5197094 | System for remotely crediting and billing usage of electronic entertainment machines A method and apparatus for remotely crediting and billing usage of a plurality of electronic entertainment machines situated at different locations. Each electronic entertainment is connected via a transmission link to a billing computer situated at a cen... | 03/23/1993 |
| 5173594 | System for printing personalized charge-card service receipts at remote locations A receipt generator which produces written receipts at locations remote to the location of use for a conventional charge-card activated system is disclosed. The charge-card activated system provides a telecommunications service and maintains billing recor... | 12/22/1992 |
| 5119412 | Method and a system for remotely switching and/or regulating and monitoring and electrically operated device or an environment by the use of signals generated by a telephone or a modem A switching system and method of remote switching and/or regulating an electrically operated device by the use of the DTMF telephone or modem signals. A switching and/or regulating element is actuated and/or controlled by the system upon detecting a speci... | 06/02/1992 |
| 4996703 | Remote supervisory monitoring and control apparatus connected to monitored equipment A monitoring and control system has a programmable apparatus connected to equipment to be monitored. The apparatus receives inputs from the monitored equipment, detects alarm conditions when the monitored inputs reach predetermined values, dials automatic... | 02/26/1991 |
| 4918439 | Remote control device A remote control device is adapted to control a plurality of appliances such as televisions, VCRs, stereos, etc. The remote controller includes a first connector for mating with a plurality of transducer modules, so that the remote control device can be u... | 04/17/1990 |
| 4872195 | Remote control unit for radio/television transmitter station A device and method for remote control of a radio or television transmitting station located separate from a control studio and being capable of (i) monitoring preset conditions, (ii) activating notification channels for communication of monitored conditi... | 10/03/1989 |
| 4852154 | Pay-per-view CATV system A pay-per-view CATV system which is interfaced with the switched public telephone system is described. A subscriber selects a specific scheduled television event by dialing a telephone number which uniquely identifies the selected event. The called and or... | 07/25/1989 |
| 4847894 | Device for aiding maintenance of an electromechanical installation having automatic monitoring and control means A device for aiding maintenance of an electromechanical installation, which installation has an automatic monitoring and control apparatus, provides remote supervision of the electromechanical installation. The device includes a control unit connected to ... | 07/11/1989 |
| 4841562 | Telephone VCR control The invention is an add-on device which allows programming of an existing VCR (video cassette recorder) via standard phone lines. With it attached to a VCR, the user is able to call home and advance program the invention to turn on the VCR at a certain ti... | 06/20/1989 |
| 4792849 | Digital interactive communication system The present invention relates to a digital interactive communication system accessible to a plurality of subscribers who can select by means of their touch-tone telephones any of a plurality of pre-recorded video presentations representative of products a... | 12/20/1988 |
| 4791658 | Integrated alarm and touch tone telephone system A microprocessor controlled integrated alarm and touch tone telephone system which allows the alarm system to be accessed, programmed, and reported upon through a touch tone telephone, either locally or remotely. Under most circumstances, the telephones o... | 12/13/1988 |
| 4783800 | Remote controlled interactive scheduler system An interactive remote controlled scheduling system for enabling a caller at one end of a telephone line, or other channel, to automatically schedule an appointment with an electronic scheduling machine at a receiving end in the absence of human interventi... | 11/08/1988 |
