US4837806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data communication process suitable for use in a quiet environment
Assignee: Canon Inc
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Filing: 1987-02-24
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Granted: 1989-06-06
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Expires: 2007-02-24
Abstract
Abstract A data communication apparatus includes a data communication unit for performing data communication; a setting unit for setting the apparatus in an automatic communication mode; an information unit responsive to a calling signal coming from a line for informing of the incoming of a calling signal using a sound; and a control unit for making the information unit not responsive to the calling signal from the line during the automatic communication mode and automatically performing data communication using the data communication means.
Inventors
- 👤 Tsunehiro Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:53
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/0035; H04N1/00405; H04N1/00488; H04N1/0049; H04N1/32; H04N1/32005; H04N1/32609; H04N1/32614; H04N1/32625; H04N1/32635; H04N1/32646; H04N1/32651; H04N1/32657
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
123 words
A data communication apparatus comprising: data communication means for performing data communication; setting means for setting said apparatus in an automatic communication mode; information means responsive to a calling signal coming from a line for informing an operator of an incoming call, using a sound; detection means for detecting malfunction of said data communication means; and control means for disabling said information means from performing its informing function in response to the calling signal from the line while said apparatus is in the automatic communication mode and for automatically performing data communication using said data communication means, wherein said control means controls said information means to be activated when said detection means detects malfunction while said apparatus is in the automatic communication mode.
Claim 2
Dependent Claim
123 words
A data communication apparatus comprising: data communication means for performing data communication; setting means for setting said apparatus in an automatic communication mode; information means responsive to a calling signal coming from a line for informing an operator of an incoming call, using a sound; detection means for detecting malfunction of said data communication means; and control means for disabling said information means from performing its informing function in response to the calling signal from the line while said apparatus is in the automatic communication mode and for automatically performing data communication using said data communication means, wherein said control means controls said information means to be activated when said detection means detects malfunction while said apparatus is in the automatic communication mode.
Claim 3
Dependent Claim
33 words
A data communication apparatus according to claim 1, wherein the control means prevents supplying said calling signal from the line to said information means while said apparatus is in the automatic communication mode.
Claim 4
Dependent Claim
44 words
A data communication apparatus according to claim 1, further comprising display means for displaying that said calling signal is coming from the line, and wherein said control means controls said display means to be activated while said apparatus is in the automatic communication mode.
Claim 5
Dependent Claim
15 words
A data communication apparatus according to claim 1, wherein said information means is a ringer.
Claim 6
Dependent Claim
37 words
A data communication apparatus according to claim 1, wherein said data communication means has means for recording data on a recording paper and said detection means detects the absence of the recording paper in said recording means.
Claim 7
Dependent Claim
37 words
A data communication apparatus according to claim 1, wherein said data communication means has means for recording data on a recording paper and said detection means detects a jam of the recording paper in said recording means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-05 | 1992-12-05 | 1993-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-05 | 1996-12-05 | 1997-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-05 | 2000-12-05 | 2001-06-06 | $7700.00 | Window Closed / Lapsed |