US3315142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic-field dependence signal transmitter or signaller
Assignee: Siemens Schuckertwerke AG
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Filing: 1963-12-19
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Granted: 1967-04-18
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Weiss Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:21
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/945; H03K17/95; H03K17/9517; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1203; H03B5/1231; H03B5/1296; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A MAGNETICALLY RESPONSIVE SIGNAL TRANSMITTER, COMPRISING A SIGNAL-VOLTAGE GENERATING TANK CIRCUIT HAVING AN IRON-CORED INDUCTANCE MEMBER, A TRANSISTOR HAVING AN EMITTER-COLLECTOR LOAD CIRCUIT AND A BASE CONTROL CIRCUIT, SAID TANK CIRCUIT BEING SERIES-CONNECTED IN THE LOAD CIRCUIT OF SAID TRANSISTOR, A MAGNETIC-FIELD RESPONSIVE RESISTANCE MEMBER, THE BASE CONTROL CIRCUIT OF SAID TRANSISTOR BEING FEEDBACK-COUPLED THROUGH SAID RESISTANCE MEMBER WITH
Claim 2
Dependent Claim
59 words
A MAGNETICALLY RESPONSIVE SIGNAL TRANSMITTER, COMPRISING A SIGNAL-VOLTAGE GENERATING TANK CIRCUIT HAVING AN IRON-CORED INDUCTANCE MEMBER, A TRANSISTOR HAVING AN EMITTER-COLLECTOR LOAD CIRCUIT AND A BASE CONTROL CIRCUIT, SAID TANK CIRCUIT BEING SERIES-CONNECTED IN THE LOAD CIRCUIT OF SAID TRANSISTOR, A MAGNETIC-FIELD RESPONSIVE RESISTANCE MEMBER, THE BASE CONTROL CIRCUIT OF SAID TRANSISTOR BEING FEEDBACK-COUPLED THROUGH SAID RESISTANCE MEMBER WITH
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |