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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7136469 | Service selection gateway (SSG) supporting tariff changes for traffic volume A service selection gateway (SSG) which receives data indicating tariff switching points, and sends accounting records enabling accurate computation of traffic volumes in each switching duration is described. In one embodiment, a counter value indicating the traffic... | 11/14/2006 |
| 7082191 | Telephone usage control A device and method for controlling the use of a telephone make a determination as to whether a telephone call may proceed. The determination may be based upon a time reference, such as a total amount of time that a call may proceed or an interval of time when a cal... | 07/25/2006 |
| 7010360 | Automatic conversion of dates and times for messaging A system and method are disclosed for automatically converting dates and times in electronic text messages to the local dates and times of the message recipients. For example, when a text message is sent to an intended recipient, a messaging server can recognize dat... | 03/07/2006 |
| 6931381 | Methods and apparatus for authenticating the download of information onto a smart card Systems and methods for producing a digitally-computed acknowledgment of a delegated download event are disclosed. An information owner, such as the issuer of a smart card, delegates an information download to a third party. The information is downloaded from the th... | 08/16/2005 |
| 6847709 | Private branch exchange apparatus and accounting process method Each time the time in a timer is re-set, a control section overwrites a difference integration value corresponding to the amount of the change from a reference value “0” in an registration memory of a memory section. When a call is sent from an extension to an o... | 01/25/2005 |
| 6556817 | Method and apparatus for selectively communicating in a wireless communication system based on varying time incremental costs of communication A wireless communication system employs a method and apparatus for selectively communicating in the wireless communication system based on varying time incremental costs of communication. A communication unit (116) receives a transmission (118) from the s... | 04/29/2003 |
| 6532284 | Method and system for optimizing bandwidth cost via caching and other network transmission delaying techniques Methods and systems for optimizing bandwidth pricing for a data transmission system electronically connected to a source of bandwidth spot prices, where the data transmission system transmits data as packets to a predetermined destination, are provided. I... | 03/11/2003 |
| 6487283 | Pricing center for internet protocol routed transactions A call pricing center that assists Internet Protocol (IP)-compatible devices in defining preferences, including prices, for completing an IP routed transaction. A centralized routing engine associated with a clearinghouse uses the preferences to assist IP... | 11/26/2002 |
| 6424704 | Method of charging a subscriber for communication service according to the usage time in a telecommunication switching system A communication switching system comprising a first time counter for registering a starting time of a communication service, the first time counter adapted to change the present reference time according to a request given during the communication service,... | 07/23/2002 |
| 6298126 | Method and apparatus for controlling rating of calls to pay services A telecommunications toll network system employs a central database computer to provide routing and calling rate instructions to toll switches. To allow sponsors of pay services, such as 900 number information services, to control the kinds of calls they ... | 10/02/2001 |
| 6205211 | Internet telephony call pricing center The present invention discloses a call pricing center that assists gateway operators in defining preferences, including call prices for terminating an IP telephony call. A centralized routing engine associated with a clearinghouse uses the preferences to ... | 03/20/2001 |
| 6178236 | Method and system for providing password protection Access is granted to a portion of a computing system, such as to a configuration menu of a telephone system. In order to grant access, a password is received from a user. A variable password is also calculated. The variable password varies with time. For ... | 01/23/2001 |
| 5912958 | On-hold device A system and a method for connecting an on-hold audio device to a pager in a PBX system is disclosed. The system and method include digitally downloading messages from a server over a communication link to the on-hold device so that convenient and clear m... | 06/15/1999 |
| 5854975 | Prepaid security cellular telecommunications system A cellular telecommunications system having a security feature which allows only pre-authorized users to complete cellular telephone calls. The system and method recognizes a cellular radiotelephone's pre-programmed and pre-selected telephone number and a... | 12/29/1998 |
| 5852659 | System and method for improved billing records A system and method for the switches of a telecommunications network to generate call records for telephone calls using a flexible and expandable record format. Upon receipt of a telephone call, a switch in the network analyzes the telephone call to deter... | 12/22/1998 |
| 5793854 | System for selection and monitoring telephone rates A system for selecting and monitoring telephone rates including a telephone hand-set with a numeric keypad and a plurality of scroll keys and an enter key situated thereon. A modem is adapted to receive and download from a database information including a... | 08/11/1998 |
| 5774534 | Context-based transactions using broadcast advertising A broadcast network, which may have multiple affiliated television stations each broadcasting in different geographic areas, is provided with one or more easy-to-use telephone numbers. The broadcast network, in turn, assigns one or more the these numbers ... | 06/30/1998 |
| 5642410 | Call processor for a computer telephone integration system A rule-based computer-telephone integration system including a telephone system for transmitting call information, a computer in communication with the telephone system including a plurality of application programs having data retrievable in response to c... | 06/24/1997 |
| 5566231 | Apparatus and system for recording and accessing information received over a telephone network An apparatus and system records and accesses information from a telephone network. A premises recording unit has a housing which is connected to an outside information source via the first communication channel. A premises recording system is mounted with... | 10/15/1996 |
| 5557664 | Calling party-paid wireless telephone service A method is described for completing calls to wireless communications customers. A database is queried to determine whether to bill the calling party or the called party for communication charges (e.g., airtime charges) associated with the wireless commun... | 09/17/1996 |
| 5515425 | Telecommunications system with active database Interexchange carriers make their rate information for long-distance service available in a database. PBXs and telephone central offices access that rate information using ISDN and/or SS7 signaling and use it as a basis for determining which carder to use... | 05/07/1996 |
| 5420914 | System and method for real time carrier selection A method and system for real time selection of an inter-exchange telephone carrier for a telephone call. The system includes a processing, storage and routing equipment capable of performing the method steps of generating a call information signal, storin... | 05/30/1995 |
| 5187710 | Method and apparatus for the billing of value-added communications calls A call billing method and apparatus establishes an ISDN connection between the network and a called location which enables the called location to specify call billing information to the network, via the ISDN connection, on a call-by-call basis. The method... | 02/16/1993 |
| 4707853 | Electronic private branch exchanges An electronic private branch exchange apparatus is constituted by a plurality of office line trunk circuits for connecting a calling terminal in an exchange network to one of a plurality of office lines. An order of connection priority for the office line... | 11/17/1987 |
| 4356352 | Circuit arrangement for telephone exchange systems having time staggered charge metering pulse frequencies A calling subscriber, in dialing a special code before a subscriber number, causes a renunciation character to be stored in a trunk exchange to provide him with priority in trunk line selection, when reduced charge metering equipment, is in operation; oth... | 10/26/1982 |
