US3196357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery condition tester for devices having an audio amplifier and electroacoustic transducer
Assignee: General Electric Co
•
Filing: 1962-12-31
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Granted: 1965-07-20
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Yates M Hoag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A BATTERY CONDITION TESTER FOR USE WITH AN ELECTRONIC DEVICE INCLUDING A BATTERY-POWERED AUDIO AMPLIFIER NORMALLY OPERATIVE FOR AMPLIFYING INPUT SIGNALS APPLIED THERETO, AND AN AUDIBLE SIGNAL DEVICE RESPONSIVE TO THE AUDIO OUTPUT OF SAID AMPLIFIER TO PRODUCE AN AUDIBLE SIGNAL OUTPUT, SAID BATTERY CONDITION TESTER COMPRISING A NORMALLY INOPERATIVE REGENERATIVE FEEDBACK CIRCUIT FOR SAID AMPLIFIER WHEREBY THE AMPLIFIER WILL AMPLIFY SAID INPUT SIGNALS APPLIED THERETO, AND MEANS TO RENDER SAID FEEDBACK CIRCUIT OPERABLE, WHEN IT IS DESIRED TO TEST THE CONDITION OF THE BATTERY, TO PRODUCE REGENERATION IN SAID AUDIO AMPLIFIER THEREBY TO PRODUCE AN AUDIBLE SIGNAL FROM SAID SIGNAL DEVICE ONLY WHEN THE POTENTIAL OF SAID BATTERY IS ABOVE A PREDETERMINED VALUE HIGHER THAN THE MINIMUM POTENTIAL OF SAID BATTERY FOR NORMAL OPERATION OF THE AMPLIFIER.
Claim 2
Dependent Claim
128 words
A BATTERY CONDITION TESTER FOR USE WITH AN ELECTRONIC DEVICE INCLUDING A BATTERY-POWERED AUDIO AMPLIFIER NORMALLY OPERATIVE FOR AMPLIFYING INPUT SIGNALS APPLIED THERETO, AND AN AUDIBLE SIGNAL DEVICE RESPONSIVE TO THE AUDIO OUTPUT OF SAID AMPLIFIER TO PRODUCE AN AUDIBLE SIGNAL OUTPUT, SAID BATTERY CONDITION TESTER COMPRISING A NORMALLY INOPERATIVE REGENERATIVE FEEDBACK CIRCUIT FOR SAID AMPLIFIER WHEREBY THE AMPLIFIER WILL AMPLIFY SAID INPUT SIGNALS APPLIED THERETO, AND MEANS TO RENDER SAID FEEDBACK CIRCUIT OPERABLE, WHEN IT IS DESIRED TO TEST THE CONDITION OF THE BATTERY, TO PRODUCE REGENERATION IN SAID AUDIO AMPLIFIER THEREBY TO PRODUCE AN AUDIBLE SIGNAL FROM SAID SIGNAL DEVICE ONLY WHEN THE POTENTIAL OF SAID BATTERY IS ABOVE A PREDETERMINED VALUE HIGHER THAN THE MINIMUM POTENTIAL OF SAID BATTERY FOR NORMAL OPERATION OF THE AMPLIFIER.
References Cited (Backward Citations)
US3090917A
Cited
US3063004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |