Patent US4907163A successfully refreshed from Google Patents.
US4907163A
Expired / Lapsed
US
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System for controlling an NC machine from a PC type computer
Assignee: CapitalSource Finance LLC
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Filing: 1988-03-25
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Granted: 1990-03-06
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Expires: 2008-03-25
Abstract
Abstract Disclosed is a system for controlling a numerically controlled machine tool sysem from a PC type computer system of the kind using an 8088 microprocessor chip and 8-bit words. The system includes an inverter timing board which is inserted into the PC equipment for conditioning signals from the parallel port of the computer into signals having wave forms of selected time length comforting to the numerical control tape code which is acceptable by the numerical control equipment at the machine tool.
Inventors
- 👤 Greg Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:40
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/408; G05B2219/00; G05B2219/20; G05B2219/21; G05B2219/21096; G05B2219/30; G05B2219/34; G05B2219/34279; G05B2219/36; G05B2219/36388
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
146 words
A system for sending control signals to a machine tool which is adapted to be responsive to signals conforming to numerical control tape code, said system utilizing signals output from a computer having a parallel port, said computer being adapted to store, process and send steady but strobable high and/or low bit signals in computer code comprising: (a) means for receiving parallel output bit signals from the parallel port of said computer; (b) means for receiving a strobe signal from the parallel port of said computer; (c) time delay means actuatable by said strobe signal for conditioning the steady by strobable high and/or low bit signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; and (d) means for transmitting said conditioned square wave signals to said machine tool.
Claim 2
Independent Claim
146 words
A system for sending control signals to a machine tool which is adapted to be responsive to signals conforming to numerical control tape code, said system utilizing signals output from a computer having a parallel port, said computer being adapted to store, process and send steady but strobable high and/or low bit signals in computer code comprising: (a) means for receiving parallel output bit signals from the parallel port of said computer; (b) means for receiving a strobe signal from the parallel port of said computer; (c) time delay means actuatable by said strobe signal for conditioning the steady by strobable high and/or low bit signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; and (d) means for transmitting said conditioned square wave signals to said machine tool.
Claim 3
Dependent Claim
38 words
A system in accordance with claim 1 in which said transmitting means comprises an "and" gate for each bit signal generating an output signal upon input of a bit signal and a signal from said time delay means.
Claim 4
Dependent Claim
22 words
A system in accordance with claim 1 in which said transmitting means includes inverter means for each conditioned square wave bit signal.
Claim 5
Dependent Claim
24 words
A system in accordance with claim 3 in which said inverter means are exclusive "or" gates having an input from said time delay means.
Claim 6
Independent Claim
154 words
A system for controlling a machine tool adapted to be responsive to signals conforming to numerical control tape code comprising: (a) a computer adapted to store, process and send steady but strobable high and/or low bit signals in computer code, said computer having a parallel port; (b) means for receiving parallel output bit signals from said parallel port of said computer; (c) means for receiving a strobe signal from the parallel port of said computer; (d) time delay means actuatable by said strobe signal for conditioning the steady but strobable high and/or low bit signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; (e) means for transmitting said conditioned square wave signals; and (f) numerical control equipment adapted to receive, process and apply said conditioned square wave signals to thereby direct movements of said machine tool.
Claim 7
Independent Claim
154 words
A system for controlling a machine tool adapted to be responsive to signals conforming to numerical control tape code comprising: (a) a computer adapted to store, process and send steady but strobable high and/or low bit signals in computer code, said computer having a parallel port; (b) means for receiving parallel output bit signals from said parallel port of said computer; (c) means for receiving a strobe signal from the parallel port of said computer; (d) time delay means actuatable by said strobe signal for conditioning the steady but strobable high and/or low bit signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; (e) means for transmitting said conditioned square wave signals; and (f) numerical control equipment adapted to receive, process and apply said conditioned square wave signals to thereby direct movements of said machine tool.
Claim 8
Dependent Claim
17 words
A system in accordance with claim 5 in which said strobable computer code utilizes an 8-bit word.
Claim 9
Dependent Claim
17 words
A system in accordance with claim 6 in which said computer is based on an 8088 microprocessor.
Claim 10
Dependent Claim
38 words
A system in accordance with claim 5 in which said transmitting means comprises an "and" gate for each bit signal generating an output signal upon input of a bit signal and a signal from said time delay means.
Claim 11
Dependent Claim
22 words
A system in accordance with claim 5 in which said transmitting means includes inverter means for each conditioned square wave bit signal.
Claim 12
Dependent Claim
24 words
A system in accordance with claim 9 in which said inverter means are exclusive "or" gates having an input from said time delay means.
Claim 13
Dependent Claim
52 words
A system in accordance with claim 5 and further comprising means for transmitting signals derived directly from a paper tape to said numerical control equipment and means for selectively connecting one or the other of said conditioned wave transmitting means and said paper tape signal transmitting means to said numerical control equipment.
Claim 14
Dependent Claim
73 words
A system in accordance with claim 5 wherein said numerical control equipment further comprises: means for reading tapes having numerical control tape code signals encoded thereon; means for transmitting numerical control tape code signals read by said tape reading means; and interface means adapted to received; process and apply said conditioned square wave signals or to receive, process and apply said numerical control tape code signals to direct movements of said machine tool.
Claim 15
Dependent Claim
61 words
A system in accordance with claim 12 further comprising switching means for receiving said numerical control tape code signals transmitted by said tape reading means, receiving said conditioned square wave signals from said means for transmitting said conditioned square wave signals and selectively transmitting either said numerical control tape code signals or said conditioned square wave signals to said interface means.
Claim 16
Independent Claim
137 words
A system for sending control signals to a machine tool which is adapted to be responsive to signals conforming to numerical control tape code, said system utilizing signals output from a computer having a parallel port, said computer being adapted to store, process and send signals in computer code, comprising: (a) means for receiving parallel output bit signals from the parallel port of said computer; (b) means for receiving a computer code signal from the parallel port of said computer; (c) time delay means actuatable by said computer code signal for conditioning the parallel output bit signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; and (d) means for transmitting said conditioned square wave signals to said machine tool.
Claim 17
Independent Claim
137 words
A system for sending control signals to a machine tool which is adapted to be responsive to signals conforming to numerical control tape code, said system utilizing signals output from a computer having a parallel port, said computer being adapted to store, process and send signals in computer code, comprising: (a) means for receiving parallel output bit signals from the parallel port of said computer; (b) means for receiving a computer code signal from the parallel port of said computer; (c) time delay means actuatable by said computer code signal for conditioning the parallel output bit signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; and (d) means for transmitting said conditioned square wave signals to said machine tool.
Claim 18
Dependent Claim
38 words
A system in accordance with claim 14 in which said transmitting means comprises an "and" gate for each bit signal generating an output signal upon input of a bit signal and a signal from said time delay means.
Claim 19
Dependent Claim
22 words
A system in accordance with claim 14 in which said transmitting means includes inverter means for each conditioned square wave bit signal.
Claim 20
Dependent Claim
24 words
A system in accordance with claim 16 in which said inverter means are exclusive "or" gates having an input from said time delay means.
Claim 21
Independent Claim
142 words
A system for controlling a machine tool adapted to be responsive to signals conforming to numerical control tape code comprising: (a) a computer adapted to store, process and send signals in computer code, said computer having a parallel port; (b) means for receiving parallel output bit signals from said parallel port of said computer; (c) means for receiving a computer code signal from the parallel port of said computer; (d) time delay means actuatable by said computer code signal for conditioning the signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; (e) means for transmitting said conditioned square wave signals; and (f) numerical control equipment adapted to receive, process and apply said conditioned square wave signals to thereby direct movements of said machine tool.
Claim 22
Independent Claim
142 words
A system for controlling a machine tool adapted to be responsive to signals conforming to numerical control tape code comprising: (a) a computer adapted to store, process and send signals in computer code, said computer having a parallel port; (b) means for receiving parallel output bit signals from said parallel port of said computer; (c) means for receiving a computer code signal from the parallel port of said computer; (d) time delay means actuatable by said computer code signal for conditioning the signals from the parallel port of said computer into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code; (e) means for transmitting said conditioned square wave signals; and (f) numerical control equipment adapted to receive, process and apply said conditioned square wave signals to thereby direct movements of said machine tool.
Claim 23
Dependent Claim
73 words
A system in accordance with claim 18 wherein said numerical control equipment further comprises: means for reading tapes having numerical control tape code signals encoded thereon; means for transmitting numerical control tape code signals read by said tape reading means; and interface means adapted to receive, process and apply said conditioned square wave signals or to receive, process and apply said numerical control tape code signals to direct movements of said machine tool.
Claim 24
Dependent Claim
61 words
A system in accordance with claim 19 further comprising switching means for receiving said numerical control tape code signals transmitted by said tape reading means, receiving said conditioned square wave signals from said means for transmitting said conditioned square wave signals and selectively transmitting either said numerical control tape code signals or said conditioned square wave signals to said interface means.
Claim 25
Dependent Claim
17 words
A system in accordance with claim 18 in which said computer code signal utilizes an 8-bit word.
Claim 26
Dependent Claim
17 words
A system in accordance with claim 21 in which said computer is based on an 8088 microprocessor.
Claim 27
Dependent Claim
38 words
A system in accordance with claim 18 in which said transmitting means comprises an "and" gate for each bit signal generating an output signal upon input of a bit signal and a signal from said time delay means.
Claim 28
Dependent Claim
22 words
A system in accordance with claim 18 in which said transmitting means includes inverter means for each conditioned square wave bit signal.
Claim 29
Dependent Claim
24 words
A system in accordance with claim 24 in which said inverter means are exclusive "or" gates having an input from said time delay means.
Claim 30
Dependent Claim
52 words
A system in accordance with claim 18 and further comprising means for transmitting signals derived directly from a paper tape to said numerical control equipment and means for selectively connecting one or the other of said conditioned wave transmitting means and said paper tape signal transmitting means to said numerical control equipment.
Claim 31
Independent Claim
100 words
A system for controlling a machine tool adapted to be responsive to signals conforming to numerical control tape code comprising: (a) a computer adapted to store, process and send signals in computer code; (b) means for receiving output signals from said computer; (c) time delay means actuatable by said computer for conditioning the output signals of said computer into conditioned signals having wave forms conforming to said numerical control tape code; (d) means for transmitting said conditioned signals; and (e) numerical control equipment adapted to receive, process and apply said conditioned signals to thereby direct movements of said machine tool.
Claim 32
Independent Claim
100 words
A system for controlling a machine tool adapted to be responsive to signals conforming to numerical control tape code comprising: (a) a computer adapted to store, process and send signals in computer code; (b) means for receiving output signals from said computer; (c) time delay means actuatable by said computer for conditioning the output signals of said computer into conditioned signals having wave forms conforming to said numerical control tape code; (d) means for transmitting said conditioned signals; and (e) numerical control equipment adapted to receive, process and apply said conditioned signals to thereby direct movements of said machine tool.
Claim 33
Dependent Claim
73 words
A system in accordance with claim 27 wherein said numerical control equipment further comprises: means for reading tapes having numerical control tape code signals encoded thereon; means for transmitting numerical control tape code signals read by said tape reading means; and interface means adapted to receive, process and apply said conditioned square wave signals or to receive, process and apply said numerical control tape code signals to direct movements of said machine tool.
Claim 34
Dependent Claim
61 words
A system in accordance with claim 27 further comprising switching means for receiving said numerical control tape code signals transmitted by said tape reading means, receiving said conditioned square wave signals from said means for transmitting said conditioned square wave signals and selectively transmitting either said numerical control tape code signals or said conditioned square wave signals to said interface means.
Claim 35
Dependent Claim
24 words
A system in accordance with claim 27 further comprising means for producing a strobe signal, said time delay means actuated by said strobe signal.
Claim 36
Dependent Claim
35 words
A system in accordance with claim 27 wherein said time delay means conditions said output signals into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code.
Claim 37
Dependent Claim
24 words
A system in accordance with claim 31 further comprising means for producing a strobe signal, said time delay means actuated by said strobe signal.
Claim 38
Dependent Claim
16 words
A system in accordance with claim 27 in which said computer further includes a parallel port.
Claim 39
Dependent Claim
33 words
A system in accordance with claim 33 wherein said means for receiving output signals from said computer further comprises means for receiving parallel output bit signals from said parallel port of said computer.
Claim 40
Dependent Claim
22 words
A system in accordance with claim 34 further comprising means for receiving a strobe signal from the parallel port of said computer.
Claim 41
Dependent Claim
18 words
A system in accordance with claim 35 wherein said time delay means are actuated by said strobe signal.
Claim 42
Dependent Claim
35 words
A system in accordance with claim 36 wherein said time delay means conditions said output signals into conditioned square wave signals having wave forms of selected time length conforming to said numerical control tape code.
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) | 1993-03-05 | 1993-09-04 | 1994-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-05 | 1997-09-04 | 1998-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-05 | 2001-09-04 | 2002-03-06 | $7700.00 | Window Closed / Lapsed |