Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7349532 | Picture and video message center system A message originator sends a picture or video message to a message center along with caller identifying information. The message is stored in a memory and transmitted to a wireless picture phone, PDA or portable computing device, or stored at the message center in a... | 03/25/2008 |
| 7337233 | Network system with TCP/IP protocol spoofing A system in which a personal computer sends messages into a TCP/IP network using a conventional dial-up link and downloads data from the TCP/IP network using a high-speed one-way satellite link. A preferred embodiment uses a conventional SLIP provider to connect to ... | 02/26/2008 |
| 7323970 | Method and system for remote interaction with a vehicle via wireless communication A telemetry system coupled to a vehicle can communicate with a remote site using the overhead control channels of a wireless network, such as a cellular mobile radiotelephone network. The telemetry system can monitor or control aspects of the vehicle's operations ba... | 01/29/2008 |
| 7325063 | Apparatus, method, and system for removing ethernet header and adding second IP header An apparatus including a protocol stack, the protocol stack including an application layer, a network layer, and a physical layer, wherein the physical layer comprises a hardware interface between the apparatus and a network, wherein network-level tunnelling of a pa... | 01/29/2008 |
| 7310416 | Method and apparatus for improved personal communication devices and systems A system for adding or updating contact data in a wireless communication device, cellular telephone, pager or personal digital assistant (PDA) is shown. Contact data associated with actual or potential communicants may be entered into a database in the wireless comm... | 12/18/2007 |
| 7305076 | Method and apparatus for improved paging receiver and system A wireless information communication system and method, such as a paging network, that provides caller identification information transmitted from the public switched telephone network to a pager, PDA (Personal Digital Assistant), a portable computing device, or per... | 12/04/2007 |
| 7286658 | Method and apparatus for improved personal communication devices and systems A method for use in a wireless communication device, cellular telephone, pager or personal digital assistant (PDA) is shown in which Caller ID data originating from the public switched telephone network or other caller identifying data is received in a paging signal... | 10/23/2007 |
| 7266186 | Method and apparatus for improved paging receiver and system Contact data in a phonebook database for a personal communication device are remotely updateable from, or transferable between, a computer system using a wireless radio frequency connection. New contact data, and changes or updates to existing contact data, are inpu... | 09/04/2007 |
| 7257210 | Picture phone with caller id Pictures are transmitted to a wireless picture phone with caller ID from a message originator and used by the message recipient to identify who is to sending the picture. In one embodiment the pictures are sent to a message center along with the caller ID of the mes... | 08/14/2007 |
| 7254223 | Method and apparatus for improved personal communication devices and systems Contact data in a database for a wireless personal communication device are remotely updatable from, or transferable between, a computer system using a radio frequency connection. New contact data, and changes or updates to existing contact data, are input at the co... | 08/07/2007 |
| 7251318 | Method and apparatus for improved personal communication devices and systems An apparatus and method provide a database in a pager that contains menus that may be displayed on a pager display. A paging service sends a page including an identification, retrieves a menu from the pager database and displays the menu. The pager responds to the p... | 07/31/2007 |
| 7212825 | Network communication system using a single reservation request made with randomly generated information to identify a node A network communication system is provided for communication between network nodes, including individual nodes and a central control station node. In the network, signals are transmitted from the central control node to identify specific timeslots in which individua... | 05/01/2007 |
| 7209748 | Network communication system using a single reservation request over one or more assigned frequencies to identify a node A network communication system is provided for communication between network nodes, including individual nodes and a central control station node. In the network, signals are transmitted from the central control node to identify one or more frequencies that the node... | 04/24/2007 |
| 7200406 | Network communication system using a single reservation request made from a node to transmit its data A network communication system is provided for communication between network nodes, including individual nodes and a central control station node. In the network, signals are transmitted from the central control node to identify specific timeslots in which individua... | 04/03/2007 |
| 7035914 | System and method for transmission of data A system and method for data communication connecting on-line networks with on-line and off-line computers. The present system provides for broadcast of up to the minute notification centric information thereby providing an instant call to action for users who are p... | 04/25/2006 |
| 6956497 | Method and apparatus for sending presence messages An intentional presence system in accordance with the present invention includes a transmitting device at a first physical location that is responsive to a command intentionally initiated by a first individual at the first physical location to develop a presence sig... | 10/18/2005 |
| 6931512 | Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface A requesting terminal includes an interface that allows a user to select whether data downloaded from a network (such as the Internet) is transmitted to the requesting terminal via a high-speed link, such as a satellite link, or a lower speed link, such as a terrest... | 08/16/2005 |
| 6816067 | Apparatus and method for selecting wireless devices A method and apparatus for identifying and selecting a desired wireless device from multiple available wireless devices is provided. In one embodiment, the desired wireless device receives a signal from a searching wireless device. An indicator on the desired wirele... | 11/09/2004 |
| 6492897 | System for coupling wireless signals to and from a power transmission line communication system A system for communicating information to and from untethered subscriber devices and tethered devices by the use of a power transmission line communication system interfacing to a conventional electric power distribution network. Untethered subscriber dev... | 12/10/2002 |
| 6154488 | Low frequency bilateral communication over distributed power lines A system and method for providing full-duplex data communications between an electric power distribution station and a power consumer via the power distribution line providing electric power is provided. A first information transmitter, coupled to the pow... | 11/28/2000 |
| 6140912 | Method and a device for telecommunication A method and apparatus for forwarding and billing a telephone call, wherein a first subscriber telephone is connected to a second subscriber telephone via a standard telephone network and a third subscriber is billed for the call. The first subscriber dia... | 10/31/2000 |
| 6057781 | Method for urging transmission of answer message in bilateral pager A method for urging a transmission of an answer message in a bilateral pager is provided. In an exemplary embodiment, the method includes the step of generating, in an answer transmission mode after receiving a call message, a receipt alarm at given time ... | 05/02/2000 |
| 5930399 | Data encoding for a communication channel supporting a subset of the characters to be transmitted Characters that are not among those recognized for use in page messages are encoded using a subset of the recognized printable characters to enable the data comprising a page object to be transmitted over a paging channel. In one preferred form of the inv... | 07/27/1999 |
| 5793301 | Assured two-way wireless communication system for financial industry transactions A method for providing assured communications in a two-way wireless communications system is disclosed. An instruction is constructed at a first device for wireless transmission to a second device where the instruction is received by the second device and... | 08/11/1998 |
| 5786748 | Method and apparatus for giving notification of express mail delivery To provide prompt notification of delivery of an express mailing to the addressee thereof, the page number of a person to be notified upon delivery of the express mailing is communicated to an express mail tracking network and to an operations center of a... | 07/28/1998 |
| 5724410 | Two-way voice messaging terminal having a speech to text converter A two-way voice messaging terminal for communicating with a receiving terminal which may or may not be capable of reproducing a voice message transmitted from the voice messaging terminal. A voice message is digitally encoded and stored in a memory. A rec... | 03/03/1998 |
| 5625338 | Wireless alarm system A security system having a two way wireless keypad which operates in a particular manner for improved operation. The keypad processes information to effectively reduce communications between the control panel and the keypad. The keypad selectively activat... | 04/29/1997 |
| 5600703 | Method and apparatus for remotely retrieving messages intended for an acknowledge-back pager in a selective call communication system A method and apparatus remotely retrieves messages intended for an acknowledge-back pager (400, 700) in a communication system including a fixed portion (100) and the pager (400, 700). The communication system has provisions for interconnection with a use... | 02/04/1997 |
| 5450073 | Controlling power sequencing of a control unit in an input/output system A mechanism for controlling the powering-on and powering-off of control units in a data processing system having a plurality of channels, a plurality of control units, and a communications network of links for linking the channels to the control units. Ea... | 09/12/1995 |
| 5357245 | Communicant verifier An ID memory part memorizes an ID such as a telephone number that identifies a communicant, and a use frequency memory part memorizes a corresponding use frequency. When a communication apparatus takes a sending action, a writing part receives the ID from... | 10/18/1994 |
| 5260700 | Enhanced throughput in simulcast communication systems A selective call receiver system includes a plurality of base sites capable of simultaneous operation. Each base site includes a transmitter and a base receiver capable of measuring the signal strength of a received signal. A controller coupled to the plu... | 11/09/1993 |
| 4940963 | Paging system with improved acknowledge-back capabilities A paging system comprising a centrally located terminal and a plurality of remote pager units is disclosed wherein both automatic and manual acknowledge back signalling is provided. An appropriate acknowledge back signal by a called pager within a set int... | 07/10/1990 |
| 4851811 | Communication device for entries of buildings A communication device for entries to buildings with several apartments including a support in one piece with the outside facade of the building having a transparent body formed by a plate of bulletproof glass which is entirely smooth and is provided with... | 07/25/1989 |
| 4556958 | Device for single line bidirectional data transmission between an intelligent card's microprocessor and a second processor Each section includes a data processing unit (1) provided with circuitry (7) for transmitting processed data to the other station, as well as circuitry (7) and (2) for reception of the data processed by the other station. The transmission occurs between t... | 12/03/1985 |