US3127481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bidirectional transducers
Assignee: Individual
•
Filing: 1959-11-10
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Granted: 1964-03-31
•
Expires: 1979-11-10
Abstract
No abstract record available.
Inventors
- 👤 Herve Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:51
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/04; G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/125; H04R19/06; H04R19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN ELECTROSTATIC TRANSDUCER SENSITIVE TO MOVEMENT IN TWO DIFFERENT ANGULARLY SEPARATED DIRECTIONS COMPRISING TWO RIGID MEMBERS ONE OF WHICH IS MOVABLE RELATIVE TO THE OTHER AND IS ARRANGED AT LEAST PARTIALLY WITHIN THE OTHER AND WHEREIN PORTIONS OF THE SURFACES OF SAID TWO MEMBERS ARE PROVIDED WITH CONDUCTING AREAS WHICH TOGETHER FORM CONDENSERS BETWEEN THE TWO MEMBERS, SAID CONDENSERS BEING CONNECTED TO FORM TWO SEPARATE BRIDGE NETWORKS EACH CONSISTING OF FOUR CONDENSERS OF SIMILAR ELECTRICAL VALUE, MEANS FOR FEEDING AN EXCITING POTENTIAL TO THE INPUT OF EACH BRIDGE NETWORK AND MEANS FOR DERIVING AN OUTPUT SIGNAL FROM EACH BRIDGE NETWORK RESPECTIVELY PROPORTIONAL TO THE MOVEMENT IN ONE OF THE TWO ANGULARLY SEPARATED DIRECTIONS.
Claim 2
Dependent Claim
113 words
AN ELECTROSTATIC TRANSDUCER SENSITIVE TO MOVEMENT IN TWO DIFFERENT ANGULARLY SEPARATED DIRECTIONS COMPRISING TWO RIGID MEMBERS ONE OF WHICH IS MOVABLE RELATIVE TO THE OTHER AND IS ARRANGED AT LEAST PARTIALLY WITHIN THE OTHER AND WHEREIN PORTIONS OF THE SURFACES OF SAID TWO MEMBERS ARE PROVIDED WITH CONDUCTING AREAS WHICH TOGETHER FORM CONDENSERS BETWEEN THE TWO MEMBERS, SAID CONDENSERS BEING CONNECTED TO FORM TWO SEPARATE BRIDGE NETWORKS EACH CONSISTING OF FOUR CONDENSERS OF SIMILAR ELECTRICAL VALUE, MEANS FOR FEEDING AN EXCITING POTENTIAL TO THE INPUT OF EACH BRIDGE NETWORK AND MEANS FOR DERIVING AN OUTPUT SIGNAL FROM EACH BRIDGE NETWORK RESPECTIVELY PROPORTIONAL TO THE MOVEMENT IN ONE OF THE TWO ANGULARLY SEPARATED DIRECTIONS.
References Cited (Backward Citations)
US2843679A
Cited
US2974202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |