US3257569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generator
Assignee: International Business Machines Corp
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Filing: 1963-11-19
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Granted: 1966-06-21
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Abramson Paul
- 👤 Pao H Chin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:20
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/153; H03K5/1534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PULSE GENERATOR COMPRISING: A SOURCE OF POLYPHASE ELECTRICAL SIGNAL, MEANS RESPONSIVE TO SAID SOURCE OF POLYPHASE SIGNAL FOR PRODUCING A PLURALITY OF ALTERNATING POTENTIALS RELATIVELY SPACED IN PHASE, AND MEANS RESPONSIVE TO SAID ALTERNATING POTENTIALS FOR PRODUCING ELECTRICAL PULSES WHEN EACH OF SAID ALTERNATING POTENTIALS CHANGES POLARITY, SAID ELECTRICAL PULSES BEING RELATIVELY SPACED IN TIME IN ACCORDANCE WITH SAID PHASE SPACING OF SAID ALTERNATING POTENTIALS, WHEREIN SAID MEANS FOR PRODUCING A PLURALITY OF ALTERNATING POTENTIALS INCLUDES A TRANSFORMER HAVING PRIMARY AND SECONDARY WINDINGS, SAID PRIMARY WINDINGS BEING CONNECTED TO SAID SOURCE OF POLYPHASE SIGNAL, SAID SECONDARY WINDINGS INCLUDING A PLURALITY OF INDIVIDUAL WINDINGS JOINED END TO END TO FORM A CLOSED LOOP, AND EACH OF SAID INDIVIDUAL WINDINGS HAVING A MOVABLE CONTACT THEREON, ALTERNATING POTENTIALS BEING MANIFESTED BETWEEN SAID JUNCTIONS OF SAID INDIVIDUAL WINDINGS AND BETWEEN SAID JUNCTIONS AND SAID MOVABLE CONTACTS IN RESPONSE TO SAID POLYPHASE SIGNAL, SAID ALTERNATING POTENTIALS BEING RELATIVELY SPACED IN PHASE.
Claim 2
Dependent Claim
157 words
A PULSE GENERATOR COMPRISING: A SOURCE OF POLYPHASE ELECTRICAL SIGNAL, MEANS RESPONSIVE TO SAID SOURCE OF POLYPHASE SIGNAL FOR PRODUCING A PLURALITY OF ALTERNATING POTENTIALS RELATIVELY SPACED IN PHASE, AND MEANS RESPONSIVE TO SAID ALTERNATING POTENTIALS FOR PRODUCING ELECTRICAL PULSES WHEN EACH OF SAID ALTERNATING POTENTIALS CHANGES POLARITY, SAID ELECTRICAL PULSES BEING RELATIVELY SPACED IN TIME IN ACCORDANCE WITH SAID PHASE SPACING OF SAID ALTERNATING POTENTIALS, WHEREIN SAID MEANS FOR PRODUCING A PLURALITY OF ALTERNATING POTENTIALS INCLUDES A TRANSFORMER HAVING PRIMARY AND SECONDARY WINDINGS, SAID PRIMARY WINDINGS BEING CONNECTED TO SAID SOURCE OF POLYPHASE SIGNAL, SAID SECONDARY WINDINGS INCLUDING A PLURALITY OF INDIVIDUAL WINDINGS JOINED END TO END TO FORM A CLOSED LOOP, AND EACH OF SAID INDIVIDUAL WINDINGS HAVING A MOVABLE CONTACT THEREON, ALTERNATING POTENTIALS BEING MANIFESTED BETWEEN SAID JUNCTIONS OF SAID INDIVIDUAL WINDINGS AND BETWEEN SAID JUNCTIONS AND SAID MOVABLE CONTACTS IN RESPONSE TO SAID POLYPHASE SIGNAL, SAID ALTERNATING POTENTIALS BEING RELATIVELY SPACED IN PHASE.
References Cited (Backward Citations)
US2824976A
Cited
US3075094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |