US3143643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequential analog computing apparatus
Assignee: Phillips Petroleum Co
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Filing: 1962-04-06
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Granted: 1964-08-04
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Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Dale A Fluegel
- 👤 Paul R Hinrichs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:10
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/425; G; G06; G06G; G06G7/00; G06G7/06; G06G7/48; G06G7/58; G11; G11C; G11C27/00; G11C27/02; G11C27/024; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
264 words
COMPUTING APPARATUS COMPRISING: (1) A PIN BOARD HAVING A PLURALITY OF CHANNELS; EACH CHANNEL HAVING A PLURALITY OF INPUT VARIABLE POSITIONS, A PLURALITY OF OUTPUT CAPACITOR POSITIONS, A PLURALITY OF INPUT CAPACITOR POSITIONS, A PLURALITY OF MODE POSITIONS, AND AN OUTPUT POSITION; (2) A STEPPING SWITCH HAVING A PLURALITY OF CHANNELS CORRESPONDING TO SAID PIN BOARD PLURALITY OF CHANNELS, EACH CHANNEL OF SAID STEPPING SWITCH HAVING A PLURALITY OF CONTACTS CORRESPONDING TO SAID PLURALITY OF INPUT VARIABLE POSITIONS AND SAID OUTPUT POSITION, AND A SOLENOID; (3) AN ARITHMETIC UNIT COMPRISING A PLURALITY OF INPUT TERMINALS, FIRST AND SECOND AMPLIFIERS, A PLURALITY OF FUNCTION GENERATORS, FIRST SWITCHING MEANS FOR CONNECTING A FIRST GROUP OF SAID PLURALITY OF FUNCTION GENERATORS BETWEEN RESPECTIVE ONES OF A FIRST GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID FIRST AMPLIFIER, SECOND SWITCHING MEANS FOR CONNECTING A SECOND GROUP OF SAID FUNCTION GENERATORS BETWEEN RESPECTIVE ONES OF A SECOND GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID SECOND AMPLIFIER, A FIRST PLURALITY OF RESISTORS, THIRD SWITCHING MEANS FOR CONNECTING A FIRST GROUP OF SAID FIRST PLURALITY OF RESISTORS BETWEEN RESPECTIVE ONES OF A THIRD GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID FIRST AMPLIFIER, FOURTH SWITCHING MEANS FOR CONNECTING A SECOND GROUP OF SAID FIRST PLURALITY OF RESISTORS BETWEEN RESPECTIVE ONES OF A FOURTH GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID SECOND AMPLIFIER, A PLURALITY OF FIRST FEEDBACK CIRCUITS ADAPTED TO BE CONNECTED BETWEEN THE OUTPUT AND AN INPUT OF SAID FIRST AMPLIFIER, FIFTH SWITCHING MEANS FOR SELECTIVELY CONNECTING ONE OF SAID FIRST FEEDBACK CIRCUITS BETWEEN
Claim 2
Dependent Claim
264 words
COMPUTING APPARATUS COMPRISING: (1) A PIN BOARD HAVING A PLURALITY OF CHANNELS; EACH CHANNEL HAVING A PLURALITY OF INPUT VARIABLE POSITIONS, A PLURALITY OF OUTPUT CAPACITOR POSITIONS, A PLURALITY OF INPUT CAPACITOR POSITIONS, A PLURALITY OF MODE POSITIONS, AND AN OUTPUT POSITION; (2) A STEPPING SWITCH HAVING A PLURALITY OF CHANNELS CORRESPONDING TO SAID PIN BOARD PLURALITY OF CHANNELS, EACH CHANNEL OF SAID STEPPING SWITCH HAVING A PLURALITY OF CONTACTS CORRESPONDING TO SAID PLURALITY OF INPUT VARIABLE POSITIONS AND SAID OUTPUT POSITION, AND A SOLENOID; (3) AN ARITHMETIC UNIT COMPRISING A PLURALITY OF INPUT TERMINALS, FIRST AND SECOND AMPLIFIERS, A PLURALITY OF FUNCTION GENERATORS, FIRST SWITCHING MEANS FOR CONNECTING A FIRST GROUP OF SAID PLURALITY OF FUNCTION GENERATORS BETWEEN RESPECTIVE ONES OF A FIRST GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID FIRST AMPLIFIER, SECOND SWITCHING MEANS FOR CONNECTING A SECOND GROUP OF SAID FUNCTION GENERATORS BETWEEN RESPECTIVE ONES OF A SECOND GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID SECOND AMPLIFIER, A FIRST PLURALITY OF RESISTORS, THIRD SWITCHING MEANS FOR CONNECTING A FIRST GROUP OF SAID FIRST PLURALITY OF RESISTORS BETWEEN RESPECTIVE ONES OF A THIRD GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID FIRST AMPLIFIER, FOURTH SWITCHING MEANS FOR CONNECTING A SECOND GROUP OF SAID FIRST PLURALITY OF RESISTORS BETWEEN RESPECTIVE ONES OF A FOURTH GROUP OF SAID INPUT TERMINALS AND INPUTS OF SAID SECOND AMPLIFIER, A PLURALITY OF FIRST FEEDBACK CIRCUITS ADAPTED TO BE CONNECTED BETWEEN THE OUTPUT AND AN INPUT OF SAID FIRST AMPLIFIER, FIFTH SWITCHING MEANS FOR SELECTIVELY CONNECTING ONE OF SAID FIRST FEEDBACK CIRCUITS BETWEEN
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |