US3329148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of electrotherapeutic apparatus
Assignee: Dynapower Systems Corp
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Filing: 1965-09-21
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Granted: 1967-07-04
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Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 Kendall William Denis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:24
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN ELECTROTHERAPEUTIC APPARATUS, A POWER RADIATING HEAD INCLUDING FIRST MEANS OPERABLE TO EFFECT TRANSMISSION OF PULSED HIGH FREQUENCY RADIATION FOR TREATMENT OF A PATIENT, SAID MEANS INCLUDING INDUCTIVELY COUPLED PRIMARY AND SECONDARY COILS AND A NON-ADJUSTABLE CAPACITANCE CONDENSER ELECTRICALLY CONNECTED WITH THE SECONDARY COIL TO FORM A TANK CIRCUIT, INPUT MEANS TO SUPPLY PULSED HIGH FREQUENCY ENERGY IN THE MEGACYCLE RANGE, A NETWORK COUPLED TO THE OUTPUT OF SAID INPUT MEANS, A COAXIAL CABLE HAVING A CENTER CONDUCTOR COUPLING THE OUTPUT OF THE NETWORK TO THE PRIMARY COIL, SAID NETWORK HAVING A VARIABLE CAPACITOR THAT IS CONTROLLABLE TO ADJUSTABLY MATCH THE OUTPUT IMPEDANCE THAT IS CHARACTERISTIC OF SAID INPUT MEANS TO THE INPUT IMPEDANCE THAT IS CHARACTERISTIC OF SAID COAXIAL CABLE WHEN A PATIENT IS UNDERGOING TREATMENT, THEREBY TO OPTIMIZE THE ELECTROMAGNETIC ENERGY OUTPUT OF SAID HEAD, A CONSOLE REMOTE FROM SAID HEAD AND CONTAINING SAID INPUT MEANS AND NETWORK AND HAVING A CONTROL PANEL, AND A MANUAL CONTROL AT SAID PANEL AND HAVING OPERATIVE CONNECTION TO SAID CONTROLLABLE CAPACITOR.
Claim 2
Dependent Claim
170 words
IN ELECTROTHERAPEUTIC APPARATUS, A POWER RADIATING HEAD INCLUDING FIRST MEANS OPERABLE TO EFFECT TRANSMISSION OF PULSED HIGH FREQUENCY RADIATION FOR TREATMENT OF A PATIENT, SAID MEANS INCLUDING INDUCTIVELY COUPLED PRIMARY AND SECONDARY COILS AND A NON-ADJUSTABLE CAPACITANCE CONDENSER ELECTRICALLY CONNECTED WITH THE SECONDARY COIL TO FORM A TANK CIRCUIT, INPUT MEANS TO SUPPLY PULSED HIGH FREQUENCY ENERGY IN THE MEGACYCLE RANGE, A NETWORK COUPLED TO THE OUTPUT OF SAID INPUT MEANS, A COAXIAL CABLE HAVING A CENTER CONDUCTOR COUPLING THE OUTPUT OF THE NETWORK TO THE PRIMARY COIL, SAID NETWORK HAVING A VARIABLE CAPACITOR THAT IS CONTROLLABLE TO ADJUSTABLY MATCH THE OUTPUT IMPEDANCE THAT IS CHARACTERISTIC OF SAID INPUT MEANS TO THE INPUT IMPEDANCE THAT IS CHARACTERISTIC OF SAID COAXIAL CABLE WHEN A PATIENT IS UNDERGOING TREATMENT, THEREBY TO OPTIMIZE THE ELECTROMAGNETIC ENERGY OUTPUT OF SAID HEAD, A CONSOLE REMOTE FROM SAID HEAD AND CONTAINING SAID INPUT MEANS AND NETWORK AND HAVING A CONTROL PANEL, AND A MANUAL CONTROL AT SAID PANEL AND HAVING OPERATIVE CONNECTION TO SAID CONTROLLABLE CAPACITOR.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |