US4150254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone system for selecting and reproducing text on a screen
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1978-05-03
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Granted: 1979-04-17
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Expires: 1998-05-03
Abstract
Abstract In a system for displaying text information obtained from a remote text data bank, which system includes a television receiver equipped for receiving and storing the text information and displaying the information on its screen, an operating device operatively associated with the receiver for effecting program selection and control of the television receiver functions, an accessory device which is connected with the television receiver by means of a line, which accessory device includes a modulator, a demodulator, a dialing device, a conventional telephone interface for connection to a telephone and an interface for connecting the accessory device to an outside telephone line, operating device is arranged to establish a connection with the remote text data bank via the line, the accessory device and the outside telephone line for permitting selected texts to be called up for display on the screen of the television receiver.
Inventors
- 👤 Hans Schussler
- 👤 Bernhard Wiest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:51
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/08; H04M11/085
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
148 words
In a system for displaying text information obtained from a remote text data bank, which system includes a television receiver equipped for receiving and storing the text information and displaying the information on its screen, an operating device operatively associated with the receiver for effecting program selection and control of the television receiver functions, an accessory device which is connected with the television receiver by means of a line, which accessory device includes a modulator, a demodulator, a dialing device, a conventional telephone inferface for connection to a telephone, and an interface for connecting the accessory device to an outside telephone line, the improvement wherein said operating device is operative to establish a connection with the remote text data bank via said line, said accessory device and said outside telephone line for permitting selected texts to be called up for display on the screen of said television receiver.
Claim 2
Dependent Claim
148 words
In a system for displaying text information obtained from a remote text data bank, which system includes a television receiver equipped for receiving and storing the text information and displaying the information on its screen, an operating device operatively associated with the receiver for effecting program selection and control of the television receiver functions, an accessory device which is connected with the television receiver by means of a line, which accessory device includes a modulator, a demodulator, a dialing device, a conventional telephone inferface for connection to a telephone, and an interface for connecting the accessory device to an outside telephone line, the improvement wherein said operating device is operative to establish a connection with the remote text data bank via said line, said accessory device and said outside telephone line for permitting selected texts to be called up for display on the screen of said television receiver.
Claim 3
Dependent Claim
21 words
System as defined in claim 1 wherein said operating device is arranged to establish the connection by the conventional pulse method.
Claim 4
Dependent Claim
21 words
System as defined in claim 1 wherein said operating device is arranged to establish the connection by a tone dialing process.
Claim 5
Dependent Claim
24 words
System as defined in claim 1 wherein said text information is transmitted to said receiver at a bit rate of 600 to 2400 bauds.
Claim 6
Dependent Claim
24 words
System as defined in claim 4 further comprising an interface having TTL levels and connecting said accessory device to said receiver via said line.
Claim 7
Dependent Claim
24 words
System as defined in claim 4 wherein the occurrence of an occupied state of said outside telephone line is indicated at said television receiver.
Claim 8
Dependent Claim
17 words
System as defined in claim 6 which such indication is effected by establishment of an unique-color display.
Claim 9
Dependent Claim
18 words
System as defined in claim 1 wherein said accessory device is provided with its own mains voltage connection.
Claim 10
Dependent Claim
25 words
System as defined in claim 1 wherein said accessory device is arranged to permit line checking according to testing criteria applicable to a telephone receiver.
Claim 11
Dependent Claim
29 words
System as defined in claim 1 wherein said accessory device is arranged to connect a telephone to the outside telephone line so that normal telephonic conversation can take place.
Claim 12
Dependent Claim
34 words
System as defined in claim 10 wherein said accessory device is arranged to interrupt its connection to said television receiver when a telephonic conversation connection has been or is being established via the telephone.
Claim 13
Dependent Claim
21 words
System as defined in claim 1 wherein said operating device is arranged to effect dialing to an automatic text data bank.
Claim 14
Dependent Claim
22 words
System as defined in claim 12 wherein said operating device is arranged to select and call up texts through an interactive dialog.
Claim 15
Dependent Claim
23 words
System as defined in claim 13 wherein the text selection is effected by means of feeding a brevity code into said operating device.
Claim 16
Dependent Claim
19 words
System as defined in claim 1 wherein said operating device is arranged to be removed from said television receiver.
Claim 17
Dependent Claim
22 words
System as defined in claim 15 wherein said operating device communicates with said television receiver by means of an infrared light link.
Claim 18
Dependent Claim
20 words
System as defined in claim 15 wherein said operating device communicates with said receiver by means of an ultrasonic link.
Claim 19
Dependent Claim
21 words
System as defined in claim 15 wherein said operating device communicates with said receiver by means of a radio emission link.
Claim 20
Dependent Claim
18 words
System as defined in claim 15 wherein said operating device communicates with said receiver via a wire connection.
Claim 21
Dependent Claim
28 words
System as defined in claim 1 wherein said operating device is arranged to permit a one-time actuation thereof to automatically establish the connection with a text data bank.
Claim 22
Dependent Claim
25 words
System as defined in claim 20 wherein said operating device is provided with a function key to which such one-time actuation is to be applied.
Claim 23
Dependent Claim
19 words
System as defined in claim 1 arranged to display the text on the screen in synchronism with its reception.
Claim 24
Dependent Claim
18 words
System as defined in claim 1 arranged to effect text selection via a telephone in a telephone dialog.
References Cited (Backward Citations)
US3301957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-16 | 1982-10-16 | 1983-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-16 | 1986-10-16 | 1987-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-16 | 1990-10-16 | 1991-04-17 | $7700.00 | Window Closed / Lapsed |