User terminal for videotex
June 26, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesDevice for selecting values of data elements Videocommunication network between videophone terminals and a picture bank Videotex system Audio-enhanced videotex system Data entry and display control circuit Print apparatus for videotex terminal Extracting digital data from a bus and multiplexing it with a video signal Communication terminal for processing voice and graphical information Audiographics communication system Telephonic data access and transmission system InventorsAssigneeApplicationNo. 06/879004 filed on 06/26/1986US Classes:715/748, User interactive multicomputer data transfer (e.g., file transfer)379/93.25, Having remote database (e.g., videotex system)707/104.1, Application of database or data structure (e.g., distributed, multimedia, image)715/854, Navigation within structure715/968Interface for database querying and retrievalExaminersPrimary: Harkcom, Gary V.Assistant: Lacasse, Randy W. Attorney, Agent or FirmInternational ClassesG06F 17/30 (20060101)H04M 11/08 (20060101) Foreign Application Priority Data1985-06-27 JPAbstractA method and apparatus for retrieving picture information stored in an information center and subsequently storing the picture information in a user terminal by registering in the information center retrieval control information having picture numbers used in the retrieving operation, requesting the retrieval control information from the information center through a communication line, receiving and storing the retrieval control information in the user terminal, analyzing the retrieval control information and extracting the picture numbers contained in the retrieval control information, transmitting the picture numbers to the information center through the communication line to request the picture information corresponding to the picture numbers, and receiving and storing the picture information in the user terminal, wherein the picture retrieval operations can be achieved in an off-line mode by using the stored picture information and the stored retrieval control information received during an on-line mode. | |
