IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
US-0480301
(1983-03-30)
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발명자
/ 주소 |
- Davids Martin (Leigh-on-Sea GBX) Blackman Peter (London GBX) Teo Lily (Romford GBX)
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| 출원인 / 주소 |
- Reuters Ltd. (London GB2 03)
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| 인용정보 |
피인용 횟수 :
59 인용 특허 :
5 |
초록
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A video conversational data communication network (30) in which subscribers (34, 36) may conduct conversational video textual data communications with one or more keystations (70, 602,98) in the network (30). Each keystation (70, 602, 98) is associated with a keystation terminal controller interface
A video conversational data communication network (30) in which subscribers (34, 36) may conduct conversational video textual data communications with one or more keystations (70, 602,98) in the network (30). Each keystation (70, 602, 98) is associated with a keystation terminal controller interface (68, 96, 600) which is in turn connected to a message switching node (32) for routing calls throughout the network (30). The controller (68, 96, 600) locally stores (304, 306) video conversational textual data for its associated keystations (70, 82, 84, 98, 100, 602) and enables two different designated keystations to conduct two different video conversations with a common keystation in a split screen display (76). The split screen display (76) may also be used to display retrievable data from a data base (50, 52) for simultaneous display (76) along with a video conversation. The data is transmitted between connected controllers (96, 602) in packets which contain less than the total displayable data content of the video message input via the keyboard (72 ). Each keystation may create a unique CONTACT LIST as well as a unique INHIBIT LIST to accelerate and screen contacts to be made throughout the network (30). The CONTACT LIST may be used to place two calls from one subscriber at the same time to set up two conversations. In addition a DEAL KEY function may be employed to immediately confirm receipt of a sent message on the screen of the sender. These functions may be performed by the controller (68, 96, 600) without access to the host computer (38).
대표청구항
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In a video communication network capable of providing textual data messages to a plurality of subscriber terminals throughout said network, at least a portion of said plurality of subscriber terminals comprising subscriber keystations, each of said subscriber keystations comprising a keyboard means
In a video communication network capable of providing textual data messages to a plurality of subscriber terminals throughout said network, at least a portion of said plurality of subscriber terminals comprising subscriber keystations, each of said subscriber keystations comprising a keyboard means for operator input of textual data messages and associated data control signals to said network via said keyboard means and a video display means for providing a textual video display of at least keyboard generated data input to said network; the improvement comprising at least one message switching interface means for routing video conversational textual data messages throughout said network, a plurality of said keystations being operatively connected to said one message switching interface means, said one message switching interface means comprising message routing logic means and storage means operatively connected to said message routing logic means for providing message routing logic control signals and further comprising display control logic means and local video display storage means for locally storing video conversational textual data for providing a video display thereof to at least a pair of said keystations which are operatively connected together through said one interface means in a completed call in said network, said keyboard means comprising means for providing unique calling signals to said interface means for initiating calls to a designated keystation portion of said plurality of keystations in said network, said one interface means further comprising means for receiving said calling signals provided thereto for completing a call to said designated connected keystation, said message routing logic means comprising means for controlling the routing of said calling signals to said designated keystations to control the completion of said initiated calls, said display control logic means comprising means for providing on said pair of connected keystation video display means a video display of video conversational textual data transmitted between said connected keystations in said network with which said call is completed via said separate keyboard means associated with said pair of connected keystations, said one message switching interface means storage means comprising means for retrievably storing at least one subscriber created contact list for each of said keystations connected to said one message switching interface means, each of a plurality of said keyboard means being capable of providing at least a different one of said subscriber created retrievably stored contact lists to said one message switching interface storage means for each of a corresponding plurality of associated ones of said subscriber keystations whereby a plurality of different unique contact lists may be retrievably stored in said one message switching interface storage means, said contact lists each being capable of comprising a plurality of different unique designated keystation identification codes each of which corresponds to a different keystation in said network, said keystation keyboard means unique calling signal providing means being capable of providing a unique contact list calling signal corresponding to a designated one of said retrievably stored contact lists to said one message switching interface means message routing logic, said message routing logic comprising means capable of retrieving said stored one designated contact list in response to said unique contact list calling signal and sequentially providing a calling signal to each of said keystations designated by said identification codes in said contact list until a call is completed with the first one of said designated keystations which is available, said one message switching interface means comprising at least one host computer network control means and a plurality of keystation terminal controller interface means operatively connected between said keystations and said one host computer network control means with at least one keystation being operatively connected to and associated with one keystation terminal controller interface means for each of said plurality of keystation terminal controller interface means, said host computer network control means comprising said message routing logic means and said storage means operatively connected thereto, each of said keystation terminal controller interface means comprising said display control logic means and said local video display storage means for locally storing video conversational textual data for providing a video display thereof to at least one of said keystations connected to said keystation terminal controller interface means and local storage means for locally retrievably storing a copy of said subscriber created retrievably stored contact lists created by said one associated subscriber keystation and stored in said host computer network control means storage means and local message routing logic means for locally retrieving said locally stored one designated contact list designated by said one associated subscriber keystation unique calling signal providing means and providing a processed contact request calling signal to said host computer network control means message routing logic means for sequentially providing said calling signal to each of said keystations designated by said identification codes in said locally retrieved and processed contact list, said keyboard means providing said unique calling signals to said associated keystation terminal controller interface means, said keystation terminal controller interface means comprising means for providing said calling signal to said one host computer network control means and for receiving said calling signals therefrom for completing a call to said one connected keystation; whereby a single call may be simultaneously initiated by said one associated subscriber keystation to a plurality of predesignated keystations in said locally stored contact list to establish a textual data video conversation with the first free subscriber in said plurality.
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