US3316422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier for reading matrix storer
Assignee: Siemens and Halske AG
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Filing: 1961-04-12
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Granted: 1967-04-25
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Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 Rogge Hartwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:34
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; H; H03; H03K; H03K17/00; H03K17/16; H03K5/00; H03K5/01; H03K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A TWO-STAGE AMPLIFIER FOR READING A MATRIX STORER, COMPRISING A FIRST STAGE WHICH IS CONSTRUCTED AS A DIFFERENTIAL AMPLIFIER, LINE MEANS FOR CONDUCTING TO SAID FIRST STAGE PULSES WHICH ARE TO BE AMPLIFIED, MEANS FOR CAUSING SAID FIRST STAGE TO BECOME BRIEFLY CONDUCTIVE ONLY FOR THE DURATION OF A PULSE WHICH IS TO BE AMPLIFIED, A SECOND STAGE FOR RECEIVING PULSES PASSED BY SAID FIRST STAGE AND FOR AMPLIFYING SUCH PULSES, AND MEANS FORMING A BRIDGE CIRCUIT COMPRISING RECTIFIERS DISPOSED BETWEEN SAID FIRST AND SAID SECOND STAGE FOR IMPROVING THE SIGNAL-INTERFERENCE-RATIO.
Claim 2
Dependent Claim
91 words
A TWO-STAGE AMPLIFIER FOR READING A MATRIX STORER, COMPRISING A FIRST STAGE WHICH IS CONSTRUCTED AS A DIFFERENTIAL AMPLIFIER, LINE MEANS FOR CONDUCTING TO SAID FIRST STAGE PULSES WHICH ARE TO BE AMPLIFIED, MEANS FOR CAUSING SAID FIRST STAGE TO BECOME BRIEFLY CONDUCTIVE ONLY FOR THE DURATION OF A PULSE WHICH IS TO BE AMPLIFIED, A SECOND STAGE FOR RECEIVING PULSES PASSED BY SAID FIRST STAGE AND FOR AMPLIFYING SUCH PULSES, AND MEANS FORMING A BRIDGE CIRCUIT COMPRISING RECTIFIERS DISPOSED BETWEEN SAID FIRST AND SAID SECOND STAGE FOR IMPROVING THE SIGNAL-INTERFERENCE-RATIO.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |