Patent US3109930A successfully refreshed from Google Patents.
US3109930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical analogue for diffusion analysis
Assignee: Texas Instruments Inc
•
Filing: 1960-06-13
•
Granted: 1963-11-05
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Macdonald James Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:21
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN ANALOGUE CIRCUIT COMPRISING A FIRST CAPACITOR, A SECOND CAPACITOR, FIRST MEANS TO PRODUCE OUTPUT VOLTAGE FUNCTIONALLY RELATED TO THE VOLTAGE ON SAID FIRST CAPACITOR BUT ISOLATED FROM SAID VOLTAGE ON SAID FIRST CAPACITOR, SECOND MEANS TO PRODUCE AN OUTPUT VOLTAGE FUNCTIONALLY RELATED TO BUT ISOLATED FROM THE VOLTAGE ON SAID SECOND CAPACITOR, THIRD MEANS TO PRODUCE AN OUTPUT VOLTAGE FUNCTIONALLY RELATED TO THE SUM OF SAID OUTPUT VOLTAGE OF SAID FIRST MEANS AND SAID OUTPUT VOLTAGE OF SAID SECOND MEANS, A FIRST IMPEDANCE CONNECTING SAID OUTPUT VOLTAGE OF THIRD MEANS TO SAID FIRST CAPACITOR, A SECOND IMPEDANCE CONNECTING SAID OUTPUT VOLTAGE OF SAID THIRD MEANS TO SAID SECOND CAPACITOR, A THIRD IMPEDANCE SHUNTING SAID FIRST CAPACITOR, AND A FOURTH IMPEDANCE SHUNTING SAID SECOND CAPACITOR.
Claim 2
Dependent Claim
125 words
AN ANALOGUE CIRCUIT COMPRISING A FIRST CAPACITOR, A SECOND CAPACITOR, FIRST MEANS TO PRODUCE OUTPUT VOLTAGE FUNCTIONALLY RELATED TO THE VOLTAGE ON SAID FIRST CAPACITOR BUT ISOLATED FROM SAID VOLTAGE ON SAID FIRST CAPACITOR, SECOND MEANS TO PRODUCE AN OUTPUT VOLTAGE FUNCTIONALLY RELATED TO BUT ISOLATED FROM THE VOLTAGE ON SAID SECOND CAPACITOR, THIRD MEANS TO PRODUCE AN OUTPUT VOLTAGE FUNCTIONALLY RELATED TO THE SUM OF SAID OUTPUT VOLTAGE OF SAID FIRST MEANS AND SAID OUTPUT VOLTAGE OF SAID SECOND MEANS, A FIRST IMPEDANCE CONNECTING SAID OUTPUT VOLTAGE OF THIRD MEANS TO SAID FIRST CAPACITOR, A SECOND IMPEDANCE CONNECTING SAID OUTPUT VOLTAGE OF SAID THIRD MEANS TO SAID SECOND CAPACITOR, A THIRD IMPEDANCE SHUNTING SAID FIRST CAPACITOR, AND A FOURTH IMPEDANCE SHUNTING SAID SECOND CAPACITOR.
References Cited (Backward Citations)
US2855145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |