An information signal transmission device including objects, an event manager, a broadcast manager, and a network messenger. By simply exchanging a message with the event manager, the object can perform message exchange without any discrimination between communication outside the device and communi
An information signal transmission device including objects, an event manager, a broadcast manager, and a network messenger. By simply exchanging a message with the event manager, the object can perform message exchange without any discrimination between communication outside the device and communication inside the device or without any discrimination between particular destinations and unspecified destinations. Cooperation between objects within the device and cooperation between devices are thus assured, permitting a time sufficient enough to transmit information signal.
대표청구항▼
What is claimed is: 1. An information signal device connected to a network, comprising: at least one object for generating messages concerning events occurring in the information signal device, wherein said messages have specified and unspecified destinations; an event manager for directing the me
What is claimed is: 1. An information signal device connected to a network, comprising: at least one object for generating messages concerning events occurring in the information signal device, wherein said messages have specified and unspecified destinations; an event manager for directing the messages generated by the at least one object to destinations inside and outside the information signal device; a network messenger for transmitting generated messages to a specified destination on the network directed by the event manager; a broadcast manager for broadcasting generated messages having unspecified destinations to the network as directed by the event manager, wherein the broadcast manager broadcasts each message with reference information attached thereto, the reference information changing at each message broadcast according to a predetermined sequence, wherein the broadcast manager broadcasts, in a predetermined repetition period, verification information having a predetermined relationship with the reference information, and wherein the broadcast manager deletes the held message at a moment a duration longer than twice the predetermined repetition period elapses, and wherein the messages generated by the at least one object are delivered by exchanging the messages with the event manager in a one-to-one communication, and wherein the at least one object does not discriminate whether the destinations of the messages are outside or inside the information signal device. 2. An information signal device according to claim 1, wherein the broadcast manager holds the broadcast messages and transmits the held messages in response to a transmission request from the event manager. 3. An information signal device connected to a network, comprising: at least one object for generating messages concerning events occurring in the information signal device, wherein said messages have specified and unspecified destinations; an event manager for directing the messages generated by the at least one object to destinations inside and outside the information signal device; a network messenger for transmitting generated messages to a specified destination on the network directed by the event manager; a broadcast manager for broadcasting generated messages having unspecified destinations to the network as directed by the event manager, and wherein the messages generated by the object are delivered by exchanging the messages with the event manager in a one-to-one communication, and wherein the at least one object does not discriminate whether the destinations of the messages are outside or inside the information signal device, wherein the broadcast manager also receives broadcasted messages from the network, recognizes a change in reference information attached to the broadcasted messages received from the network, deletes the held message at a moment a duration longer than twice the predetermined repetition period elapses, wherein the reference information changes at each message broadcasted according to a predetermined sequence, and requests a sender of a broadcasted message to retransmit the broadcasted message in response to a result of the recognition. 4. an information signal device according to claim 3, wherein the broadcast manager receives broadcasted messages from the network, and also receives verification information transmitted to the network, and requests a device, which has transmitted the verification information, to transmit the broadcasted message when there is no predetermined relationship between the received verification information and the reference information attached to the received message.
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이 특허에 인용된 특허 (7)
Tanaka Shigeo (Tokyo JPX) Sato Masaru (Tokyo JPX), Audio-visual system with two-way communication between devices.
Arnold Loraine (Rhinebeck NY) Fisher ; Sr. Gary A. (Port Ewen NY) Flaxer David B. (Accord NY), Method and apparatus for verifying the configuration of a link-connected network.
Bernhard, Josef; Petkov, Hristo; Psiuk, Rafael; Kilian, Gerd; Troeger, Hans-Martin, Concept for transmitting and/or receiving data packets for a system for detecting an event, corresponding to an object crossing over a monitored line.
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