US4558369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile connection system
Assignee: Iwasaki Tsushinki KK
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Filing: 1983-12-27
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Granted: 1985-12-10
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Expires: 2003-12-27
Abstract
Abstract A facsimile connection system, which is provided with a plurality of facsimile terminal equipments having no CO line interface circuit, at least one facsimile signal processor having a CO line interface circuit, and an exchange for interconnecting the plurality of facsimile terminal equipments and the facsimile signal processor, so that the facsimile terminal equipments can use the facsimile signal processor in common to them. An additional information generator may be further provided in common to the facsimile terminal equipments so as to be connected to the exchange.
Inventors
- 👤 Masaru Shinohara
- 👤 Makoto Ueno
- 👤 Tsunetaka Sakata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:36
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/06; H04N; H04N1/00; H04N1/32; H04N1/32358; H04N1/324
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
64 words
A facsimile connection system comprising: a plurality of facsimile terminal equipments having no CO line interface circuit, at least one facsimile signal processor having a CO line interface circuit, and an exchange for interconnecting the plurality of facsimile terminal equipments and the facsimile signal processor, so that the facsimile terminal equipments can use the facsimile signal processor in common to the facsimile terminal equipments.
Claim 2
Dependent Claim
64 words
A facsimile connection system comprising: a plurality of facsimile terminal equipments having no CO line interface circuit, at least one facsimile signal processor having a CO line interface circuit, and an exchange for interconnecting the plurality of facsimile terminal equipments and the facsimile signal processor, so that the facsimile terminal equipments can use the facsimile signal processor in common to the facsimile terminal equipments.
Claim 3
Dependent Claim
44 words
A facsimile connection system according to claim 1, in which the facsimile signal processor is provided with a memory capable of storing signals of more than frame of a picture, and in which the facsimile terminal equipments each perform sub-scanning at a fixed speed.
Claim 4
Dependent Claim
75 words
A facsimile connection system comprising: a plurality of facsimile terminal equipments, an additional information generator for supplying additional information of facsimile communication, at least one facsimile signal processor having a CO line interface circuit, and an exchange for interconnecting the plurality of facsimile terminal equipments, the additional information generator and the facsimile signal processor, so that the additional information generator and the facsimile signal processor may be used in common to the facsimile terminal equipments.
Claim 5
Dependent Claim
75 words
A facsimile connection system comprising: a plurality of facsimile terminal equipments, an additional information generator for supplying additional information of facsimile communication, at least one facsimile signal processor having a CO line interface circuit, and an exchange for interconnecting the plurality of facsimile terminal equipments, the additional information generator and the facsimile signal processor, so that the additional information generator and the facsimile signal processor may be used in common to the facsimile terminal equipments.
Claim 6
Dependent Claim
123 words
In a voice-facsimile transceiver communication system wherein voice and facsimile information is transmitted and received simultaneously comprising, a telephone system for voice communications, a plurality of facsimile transceiver apparatus for transmitting and receiving facsimile communication signals, means for converting voice communications and control signals of the telephone system to voice communication digital signals, means for converting facsimile communication signals of the facsimile transceiver apparatus facsimile digital signals, and control means receptive of the voice communication digital signals and of the facsimile digital signals for controlling by common means transmission of the voice communication digital signals and the facsimile communication digital signal simultaneously along separate paths between telephones of the telephone system and between corresponding ones of the plurality of the facsimile transceiver apparatus.
Claim 7
Dependent Claim
123 words
In a voice-facsimile transceiver communication system wherein voice and facsimile information is transmitted and received simultaneously comprising, a telephone system for voice communications, a plurality of facsimile transceiver apparatus for transmitting and receiving facsimile communication signals, means for converting voice communications and control signals of the telephone system to voice communication digital signals, means for converting facsimile communication signals of the facsimile transceiver apparatus facsimile digital signals, and control means receptive of the voice communication digital signals and of the facsimile digital signals for controlling by common means transmission of the voice communication digital signals and the facsimile communication digital signal simultaneously along separate paths between telephones of the telephone system and between corresponding ones of the plurality of the facsimile transceiver apparatus.
Claim 8
Dependent Claim
29 words
In a voice-facsimile transceiver communication system according to claim 4, including storing means of digital signals for effecting said simultaneously transmission of the voice and facsimile communication transmission signals.
Claim 9
Dependent Claim
23 words
In a voice-facsimile transceiver communication system according to claim 4, including coding and decoding means for the voice and facsimile communication digital signals.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-12-09 | 1989-06-10 | 1989-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-09 | 1993-06-10 | 1993-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-09 | 1997-06-10 | 1997-12-10 | $7700.00 | Window Closed / Lapsed |