Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
153 words
A method for retrieving picture information stored in an information center(1, 2, 3A) and subsequently storing the picture information in storing means in a user terminal ( 4A, 5, 7, 8) comprising the steps of: registering in said information center retrieval control information having picture numbers used in the retrieving operation; requesting the retrieval control information from said information center through a communication line(TL); receiving and storing said retrieval control information in the user terminal; analyzing said retrieval control information and extracting the picture numbers contained in said retrieval control information; transmitting said picture numbers to the information center through said communication line to request the picture information corresponding to said picture numbers; and receiving and storing said picture information in said storing means, 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 obtained in an on-line mode.
Claim 2
Independent Claim
153 words
A method for retrieving picture information stored in an information center(1, 2, 3A) and subsequently storing the picture information in storing means in a user terminal ( 4A, 5, 7, 8) comprising the steps of: registering in said information center retrieval control information having picture numbers used in the retrieving operation; requesting the retrieval control information from said information center through a communication line(TL); receiving and storing said retrieval control information in the user terminal; analyzing said retrieval control information and extracting the picture numbers contained in said retrieval control information; transmitting said picture numbers to the information center through said communication line to request the picture information corresponding to said picture numbers; and receiving and storing said picture information in said storing means, 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 obtained in an on-line mode.
Claim 3
Independent Claim
96 words
A method of retrieving from an information center picture information including retrieval control information having picture numbers used in the retrieving operation, and subsequently storing the picture information in a user terminal comprising the steps of: receiving and storing said retrieval control information in the user terminal; analyzing said retrieval control information and extracting the picture numbers contained in said retrieval control information; transmitting said picture numbers to the information center through said communication line to request the picture information corresponding to said picture numbers; and receiving and storing said picture information in said storing means.
Claim 4
Independent Claim
96 words
A method of retrieving from an information center picture information including retrieval control information having picture numbers used in the retrieving operation, and subsequently storing the picture information in a user terminal comprising the steps of: receiving and storing said retrieval control information in the user terminal; analyzing said retrieval control information and extracting the picture numbers contained in said retrieval control information; transmitting said picture numbers to the information center through said communication line to request the picture information corresponding to said picture numbers; and receiving and storing said picture information in said storing means.
Claim 5
Dependent Claim
41 words
A method of retrieving picture information from an information center as recited in claim 2 comprising the further steps of using the stored picture information and the stored retrieval control information in an off-line mode to carry out picture retrieval operations.
Claim 6
Dependent Claim
86 words
A user terminal for use with a videotex system, the user terminal comprising means for requesting retrieval control information containing the picture numbers of certain picture information required for information retrieval operations at the user terminal, analyzing means for analyzing and extracting the picture numbers from the retrieval control information, transmitting means for transmitting the picture numbers to the information center to request the picture information corresponding to the picture numbers, and receiving means for receiving and storing the picture information transmitted from the information center.
Claim 7
Dependent Claim
86 words
A user terminal for use with a videotex system, the user terminal comprising means for requesting retrieval control information containing the picture numbers of certain picture information required for information retrieval operations at the user terminal, analyzing means for analyzing and extracting the picture numbers from the retrieval control information, transmitting means for transmitting the picture numbers to the information center to request the picture information corresponding to the picture numbers, and receiving means for receiving and storing the picture information transmitted from the information center.
Claim 8
Dependent Claim
100 words
A user terminal for use with a videotex system of the type having a center for storing picture information and retrieval control information which includes the picture numbers of the picture information, the user terminal comprising means for requesting retrieval control information from the videotex system containing certain picture numbers, analyzing means for analyzing and extracting the picture numbers from said retrieval control information, transmitting means for transmitting the picture numbers to the information center to request the picture information corresponding to the picture numbers, and receiving means for receiving and storing the picture information transmitted from the information center.
Claim 9
Dependent Claim
100 words
A user terminal for use with a videotex system of the type having a center for storing picture information and retrieval control information which includes the picture numbers of the picture information, the user terminal comprising means for requesting retrieval control information from the videotex system containing certain picture numbers, analyzing means for analyzing and extracting the picture numbers from said retrieval control information, transmitting means for transmitting the picture numbers to the information center to request the picture information corresponding to the picture numbers, and receiving means for receiving and storing the picture information transmitted from the information center.
Claim 10
Dependent Claim
65 words
6 . A videotex user terminal as recited in claim 5 wherein the user terminal further comprises peripheral equipment for storing picture information, means for requesting peripheral equipment control information from the information center, means for pairing such peripheral equipment control information with predetermined picture numbers to synchronize the operation of such peripheral equipment with the retrieval of stored picture information from the peripheral equipment.