US3239763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal converter
Assignee: International Business Machines Corp
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Filing: 1963-06-05
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Granted: 1966-03-08
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Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Anthony B Cistola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:35
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
APPARATUS FOR TRANSFORMING AN ALTERNATING ELECTRIC SIGNAL TO A PULSE FORM, COMPRISING: A PAIR OF INPUT TERMINALS; A SERIES RESONANT CIRCUIT ARRANGED ACROSS THE INPUT TERMINALS IN SHUNTING RELATION; VOLTAGE THRESHOLD SWITCHING MEANS ELECTRICALLY RELATED TO SAID SERIES RESONANT CIRCUIT FOR BEING ACTUATED THEREBY IN A CYCLIC MANNER; AND AN RC OUTPUT NETWORK FED BY THE THRESHOLD MEANS FOR PROVIDING A PULSELIKE SIGNAL OUTPUT HAVING A CHARACTERISTIC REPETITION FREQUENCY DETERMINED BY THE RATE OF ACTUATION OF THE VOLTAGE THRESHOLD DEVICE.
Claim 2
Dependent Claim
80 words
APPARATUS FOR TRANSFORMING AN ALTERNATING ELECTRIC SIGNAL TO A PULSE FORM, COMPRISING: A PAIR OF INPUT TERMINALS; A SERIES RESONANT CIRCUIT ARRANGED ACROSS THE INPUT TERMINALS IN SHUNTING RELATION; VOLTAGE THRESHOLD SWITCHING MEANS ELECTRICALLY RELATED TO SAID SERIES RESONANT CIRCUIT FOR BEING ACTUATED THEREBY IN A CYCLIC MANNER; AND AN RC OUTPUT NETWORK FED BY THE THRESHOLD MEANS FOR PROVIDING A PULSELIKE SIGNAL OUTPUT HAVING A CHARACTERISTIC REPETITION FREQUENCY DETERMINED BY THE RATE OF ACTUATION OF THE VOLTAGE THRESHOLD DEVICE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |