US5673117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data communication apparatus with detachable network control unit
Assignee: Canon Inc
•
Filing: 1996-04-22
•
Granted: 1997-09-30
•
Expires: 2016-04-22
Abstract
Abstract A data communication apparatus includes connection means for electrically connecting a detachable network control unit which is an interface for connecting a communication line and control means for controlling the network control unit through the connection means.
Inventors
- 👤 Yosuke Ezumi
- 👤 Toshio Kenmochi
- 👤 Hisashi Toyoda
- 👤 Takeshi Tsukamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:19
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00127; H04N1/00281; H04N1/00302; H04M; H04M19/00; H04M19/08; H04N1/00885; H04N1/00901; H04N1/32; H04N1/327; H04N1/32704; H04N1/32706; H04N1/32708; H04N1/3271; H04N1/32715; H04N1/32719; H04N1/32728; H04N1/32763; H04N1/32797; H04N1/00307; H04N2201/00; H04N2201/0096
Claims Analysis
Total Claims: 62
Claim 1
Independent Claim
79 words
A data communication apparatus arranged in a first housing, comprising: connection means for electrically connecting an external network control unit which is an interface for connecting a communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; and control means for controlling the network control unit through said connection means, said control means being arranged in said first housing.
Claim 2
Dependent Claim
79 words
A data communication apparatus arranged in a first housing, comprising: connection means for electrically connecting an external network control unit which is an interface for connecting a communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; and control means for controlling the network control unit through said connection means, said control means being arranged in said first housing.
Claim 3
Dependent Claim
30 words
A data communication apparatus according to claim 1 further comprising a connecter for connecting a mobile communication terminal so as to perform a communication operation through the mobile communication terminal.
Claim 4
Dependent Claim
30 words
A data communication apparatus according to claim 1 wherein the network control unit has a power supply, wherein power is supplied from said power supply to said data communication apparatus.
Claim 5
Dependent Claim
39 words
A data communication apparatus according to claim 1 wherein the network control unit has a console unit for selecting an operation mode, and said control means discriminates the operation mode selected by said console unit through said connecting means.
Claim 6
Dependent Claim
25 words
A data communication apparatus according to claim 1 wherein the network control unit has a display which displays under the control of said control means.
Claim 7
Dependent Claim
33 words
A data communication apparatus according to claim 1 wherein the network control unit has call detection means for outputting the detection of a call to said control means in response to the call.
Claim 8
Dependent Claim
36 words
A data communication apparatus according to claim 1 wherein the network control unit has CNG signal detection means for outputting the detection of a CNG signal to said control means when the CNG signal is detected.
Claim 9
Dependent Claim
29 words
An apparatus according to claim 1, wherein said second housing includes a connection terminal for a subscriber line, and said network control unit controls connection of the subscriber line.
Claim 10
Dependent Claim
18 words
An apparatus according to claim 8, wherein said second housing further includes a connection terminal for a telephone.
Claim 11
Dependent Claim
89 words
A data communication apparatus arranged in a first housing, comprising: first connection means for electrically connecting an external network control unit which is an interface for connecting communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; second connection means for connecting a mobile communication terminal; and control means for controlling the network control unit through said first connection means, said control means being arranged in said first housing.
Claim 12
Dependent Claim
89 words
A data communication apparatus arranged in a first housing, comprising: first connection means for electrically connecting an external network control unit which is an interface for connecting communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; second connection means for connecting a mobile communication terminal; and control means for controlling the network control unit through said first connection means, said control means being arranged in said first housing.
Claim 13
Dependent Claim
24 words
A data communication apparatus according to claim 10 further comprising switching means for switching between said first connection means and said second connection means.
Claim 14
Dependent Claim
30 words
A data communication apparatus according to claim 10 wherein the network control unit has a power supply, wherein power is supplied from said power supply to said data communication apparatus.
Claim 15
Dependent Claim
40 words
A data communication apparatus according to claim 10 wherein the network control unit has a console unit for selecting an operation mode, and said control means discriminates the operation mode selected by said console unit through said first connection means.
Claim 16
Dependent Claim
25 words
A data communication apparatus according to claim 10 wherein the network control unit has a display which displays under the control of said control means.
Claim 17
Dependent Claim
29 words
An apparatus according to claim 10, wherein said second housing includes a connection terminal for a subscriber line, and said network control unit controls connection of the subscriber line.
Claim 18
Dependent Claim
18 words
An apparatus according to claim 15, wherein said second housing further includes a connection terminal for a telephone.
Claim 19
Dependent Claim
87 words
A data communication system comprising: an external network control unit for connecting a communication line, said network control unit being detachable to a main body arranged in a first housing, said network control unit further being arranged in a second housing different from the first housing of the main body, the main body including: (1) connection means for electrically connecting said network control unit; and (2) control means for controlling said network control unit through said connection means, said control means being arranged in said first housing.
Claim 20
Dependent Claim
87 words
A data communication system comprising: an external network control unit for connecting a communication line, said network control unit being detachable to a main body arranged in a first housing, said network control unit further being arranged in a second housing different from the first housing of the main body, the main body including: (1) connection means for electrically connecting said network control unit; and (2) control means for controlling said network control unit through said connection means, said control means being arranged in said first housing.
Claim 21
Dependent Claim
35 words
A data communication system according to claim 17, wherein the main body further includes second connection means for connecting a mobile communication terminal so as to perform a communication operation through the mobile communication terminal.
Claim 22
Dependent Claim
49 words
A data communication system according to claim 17, wherein said network control unit includes call detection means for detecting a call from the communication line and outputting a detection signal to the main body, and, wherein said control means controls a communication operation in accordance with the detection signal.
Claim 23
Dependent Claim
29 words
A system according to claim 17, wherein said second housing includes a connection terminal for a subscriber line, and said network control unit controls connection of the subscriber line.
Claim 24
Dependent Claim
18 words
A system according to claim 20, wherein said second housing further includes a connection terminal for a telephone.
Claim 25
Dependent Claim
77 words
A data communication apparatus arranged in a first housing, comprising: a connector for electrically connecting an external network control unit which is an interface for connecting a communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; and a controller for controlling the network control unit through said connector, said controller being arranged in said first housing.
Claim 26
Dependent Claim
77 words
A data communication apparatus arranged in a first housing, comprising: a connector for electrically connecting an external network control unit which is an interface for connecting a communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; and a controller for controlling the network control unit through said connector, said controller being arranged in said first housing.
Claim 27
Dependent Claim
31 words
A data communication apparatus according to claim 22, further comprising a second connector for connecting a mobile communication terminal so as to perform a communication operation through the mobile communication terminal.
Claim 28
Dependent Claim
31 words
A data communication apparatus according to claim 22, wherein the network control unit has a power supply, and wherein power is supplied from said power supply to said data communication apparatus.
Claim 29
Dependent Claim
37 words
A data communication apparatus according to claim 22, wherein the network control unit has a console unit for selecting an operation mode, and said controller discriminates the operation mode selected by said console unit through said connector.
Claim 30
Dependent Claim
24 words
A data communication apparatus according to claim 22, wherein the network control unit has a display which displays under the control of said controller.
Claim 31
Dependent Claim
32 words
A data communication apparatus according to claim 22, wherein the network control unit has a call detector for outputting the detection of a call to said controller in response to the call.
Claim 32
Dependent Claim
35 words
A data communication apparatus according to claim 22, wherein the network control unit has a CNG signal detector for outputting the detection of a CNG signal to said controller when the CNG signal is detected.
Claim 33
Dependent Claim
29 words
An apparatus according to claim 22, wherein said second housing includes a connection terminal for a subscriber line, and said network control unit controls connection of the subscriber line.
Claim 34
Dependent Claim
18 words
An apparatus according to claim 29, wherein said second housing further includes a connection terminal for a telephone.
Claim 35
Dependent Claim
87 words
A data communication apparatus arranged in a first housing, comprising: a first connector for electrically connecting an external network control unit which is an interface for connecting communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; a second connector for connecting a mobile communication terminal; and a controller for controlling the network control unit through said first connector, said controller being arranged in said first housing.
Claim 36
Dependent Claim
87 words
A data communication apparatus arranged in a first housing, comprising: a first connector for electrically connecting an external network control unit which is an interface for connecting communication line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from the first housing of said data communication apparatus; a second connector for connecting a mobile communication terminal; and a controller for controlling the network control unit through said first connector, said controller being arranged in said first housing.
Claim 37
Dependent Claim
22 words
A data communication apparatus according to claim 31, further comprising a switch for switching between said first connector and said second connector.
Claim 38
Dependent Claim
31 words
A data communication apparatus according to claim 31, wherein the network control unit has a power supply, and wherein power is supplied from said power supply to said data communication apparatus.
Claim 39
Dependent Claim
37 words
A data communication apparatus according to claim 31, wherein the network control unit has a console unit for selecting an operation mode, and said controller discriminates the operation mode selected by said console unit through said connector.
Claim 40
Dependent Claim
24 words
A data communication apparatus according to claim 31, wherein the network control unit has a display which displays under the control of said controller.
Claim 41
Dependent Claim
29 words
An apparatus according to claim 31, wherein said second housing includes a connection terminal for a subscriber line, and said network control unit controls connection of the subscriber line.
Claim 42
Dependent Claim
18 words
An apparatus according to claim 36, wherein said second housing further includes a connection terminal for a telephone.
Claim 43
Dependent Claim
85 words
A data communication system comprising: an external network control unit for connecting a communication line, said network control unit being detachable to a main body arranged in a first housing, said network control unit further being arranged in a second housing different from the first housing of the main body, the main body including: (1) a connector for electrically connecting said network control unit; and (2) a controller for controlling said network control unit through said connector, said controller being arranged in said first housing.
Claim 44
Dependent Claim
85 words
A data communication system comprising: an external network control unit for connecting a communication line, said network control unit being detachable to a main body arranged in a first housing, said network control unit further being arranged in a second housing different from the first housing of the main body, the main body including: (1) a connector for electrically connecting said network control unit; and (2) a controller for controlling said network control unit through said connector, said controller being arranged in said first housing.
Claim 45
Dependent Claim
35 words
A data communication system according to claim 38, wherein the main body further includes a second connector for connecting a mobile communication terminal so as to perform a communication operation through the mobile communication terminal.
Claim 46
Dependent Claim
48 words
A data communication system according to claim 38, wherein said network control unit includes call a detector for detecting a call from the communication line and outputting a detection signal to the main body, and wherein said controller controls a communication operation in accordance with the detection signal.
Claim 47
Dependent Claim
29 words
A system according to claim 38, wherein said second housing includes a connection terminal for a subscriber line, and said network control unit controls connection of the subscriber line.
Claim 48
Dependent Claim
18 words
A system according to claim 41, wherein said second housing further includes a connection terminal for a telephone.
Claim 49
Dependent Claim
78 words
A data communication apparatus arranged in a first housing, comprising: a modem; and a connection for connecting a network control unit which is an interface for connecting a subscriber line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from said first housing, wherein said data communication apparatus does not have the network control unit in said first housing, and the second housing does not have said modem.
Claim 50
Dependent Claim
78 words
A data communication apparatus arranged in a first housing, comprising: a modem; and a connection for connecting a network control unit which is an interface for connecting a subscriber line, the network control unit being detachable to said data communication apparatus and being arranged in a second housing different from said first housing, wherein said data communication apparatus does not have the network control unit in said first housing, and the second housing does not have said modem.
Claim 51
Dependent Claim
29 words
An apparatus according to claim 43, wherein the network control unit has a power supply and wherein power is supplied from the power supply to said data communication apparatus.
Claim 52
Dependent Claim
24 words
An apparatus according to claim 43, further comprising a controller arranged in said first housing for controlling the network control unit through said connector.
Claim 53
Dependent Claim
35 words
An apparatus according to claim 45, wherein said network control unit has a console unit for selecting an operation mode, and said controller discriminates the operation mode selected by said console unit through said connector.
Claim 54
Dependent Claim
22 words
An apparatus according to claim 45, wherein said network control unit has a display which displays under the control of said controller.
Claim 55
Dependent Claim
30 words
An apparatus according to claim 45, wherein said network control unit has a call detector for outputting the detection of a call to said controller in response to the call.
Claim 56
Dependent Claim
33 words
An apparatus according to claim 45, wherein said network control unit has a CNG signal detector for outputting the detection of a CNG signal to said controller when the CNG signal is detected.
Claim 57
Dependent Claim
17 words
An apparatus according to claim 43, further comprising a second connector for connecting a mobile communication terminal.
Claim 58
Dependent Claim
86 words
A data communication system comprising: a modem arranged a first housing; and a network control unit for connection a subscriber line, said network control unit being detachable to said modem arranged in said first housing, said network control unit further being arranged in a second housing different from said first housing, said first housing including a connector for connecting said network control unit to said modem, wherein said first housing does not include said network control unit, and said second housing does not include said modem.
Claim 59
Dependent Claim
86 words
A data communication system comprising: a modem arranged a first housing; and a network control unit for connection a subscriber line, said network control unit being detachable to said modem arranged in said first housing, said network control unit further being arranged in a second housing different from said first housing, said first housing including a connector for connecting said network control unit to said modem, wherein said first housing does not include said network control unit, and said second housing does not include said modem.
Claim 60
Dependent Claim
23 words
A system according to claim 51, wherein said first housing further includes a controller for controlling said network control unit through said connector.
Claim 61
Dependent Claim
33 words
A system according to claim 51, wherein said first housing further includes a second connector for connecting a mobile communication terminal so as to perform a communication operation through the mobile communication terminal.
Claim 62
Dependent Claim
45 words
A system according to claim 52, wherein said network control unit includes a call detector for detecting a call from the subscriber line and outputting a detection signal to said controller, and wherein said controller controls a communication operation in accordance with the detection signal.
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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) | 2000-09-29 | 2001-03-31 | 2001-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-29 | 2005-03-31 | 2005-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-29 | 2009-03-31 | 2009-09-30 | $7700.00 | Window Closed / Lapsed |