Patent US3209254A successfully refreshed from Google Patents.
US3209254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring phase angles between oscillations
Assignee: Siemens Schweiz AG
•
Filing: 1962-05-24
•
Granted: 1965-09-28
•
Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Hossmann Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:09
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01R; G01R25/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
A SYSTEM FOR DIGITAL MEASUREMENT OF THE PHASE ANGLE BETWEEN TWO OSCILLATIONS OF THE SAME FREQUENCY, COMPRISING A BISTABLE MULTIVIBRATOR SWITCHABLE BETWEEN CONDUCTIVE AND BLOCKED CONDITIONS UNDER CONTROL BY SEQUENTIAL CONTROL PULSES INDICATIVE OF THE RESPECTIVE PHASE POSITIONS OF THE FIRST AND SECOND OCILLATIONS RESPECTIVELY; A SOURCE OF HIGH-FREQUENCY PULSES; A DITIGAL PULSE COUNTER; A NORMALLY CLOSED GATE CONNECTED TO AND CONTROLLABLE BY AND SAID COUNTER AND CONNECTED TO AND CONTROLLABLE BY SAID MULTIVIBRATOR TO OPEN FOR PASSING A PULSE TRAIN FROM SAID SOURCE TO SAID COUNTER WHEN SAID MULTIVIBRATOR IS IN CONDUCTING CONDITION WHEREBY SAID COUNTER PROVIDES A MEASUREMENT OF THE PHASE ANGLE BETWEEN SAID FIRST AND SECOND OSCILLATIONS; REPETITION CONTROL MEANS CONNECTED WITH SAID MULTIVIBRATOR FOR REPEATING THE MEASUREMENT A PREDETERMINED NUMBER OF TIMES; A PHASE COMPARATOR CIRCUIT RESPONSIVE TO SAID FIRST AND SECOND OSCILLATIONS; AND AN ASTABLE MULTIVIBRATOR CONNECTED TO SAID PHASE COMPARATOR CIRCUIT AND CONTROLLED THEREBY AND CONNECTED WITH SAID BISTABLE MULTIVIBRATOR FOR PREVENTING THE INITIATION OF THE BLOCKED CONDITION OF SAID BISTABLE MULTIVIBRATOR UNTIL ARRIVAL OF THE CONTROL PULSE INDICATIVE OF THE PHASE POSITION OF SAID SECOND OSCILLATION AND PREVENTING THE INITIATION OF SAID CONDUCTIVE CONDITION UNTIL ARRIVAL OF THE CONTROL PULSE INDICATIVE OF THE PHASE POSITION OF SAID FIRST OSCILLATION AND FOLLOWING SAID SECOND OSCILLATION PULSE, WHEREBY MEASURING ERRORS AT VERY SMALL AND LARGE PHASE ANGLES ARE MINIMIZED.
Claim 2
Independent Claim
224 words
A SYSTEM FOR DIGITAL MEASUREMENT OF THE PHASE ANGLE BETWEEN TWO OSCILLATIONS OF THE SAME FREQUENCY, COMPRISING A BISTABLE MULTIVIBRATOR SWITCHABLE BETWEEN CONDUCTIVE AND BLOCKED CONDITIONS UNDER CONTROL BY SEQUENTIAL CONTROL PULSES INDICATIVE OF THE RESPECTIVE PHASE POSITIONS OF THE FIRST AND SECOND OCILLATIONS RESPECTIVELY; A SOURCE OF HIGH-FREQUENCY PULSES; A DITIGAL PULSE COUNTER; A NORMALLY CLOSED GATE CONNECTED TO AND CONTROLLABLE BY AND SAID COUNTER AND CONNECTED TO AND CONTROLLABLE BY SAID MULTIVIBRATOR TO OPEN FOR PASSING A PULSE TRAIN FROM SAID SOURCE TO SAID COUNTER WHEN SAID MULTIVIBRATOR IS IN CONDUCTING CONDITION WHEREBY SAID COUNTER PROVIDES A MEASUREMENT OF THE PHASE ANGLE BETWEEN SAID FIRST AND SECOND OSCILLATIONS; REPETITION CONTROL MEANS CONNECTED WITH SAID MULTIVIBRATOR FOR REPEATING THE MEASUREMENT A PREDETERMINED NUMBER OF TIMES; A PHASE COMPARATOR CIRCUIT RESPONSIVE TO SAID FIRST AND SECOND OSCILLATIONS; AND AN ASTABLE MULTIVIBRATOR CONNECTED TO SAID PHASE COMPARATOR CIRCUIT AND CONTROLLED THEREBY AND CONNECTED WITH SAID BISTABLE MULTIVIBRATOR FOR PREVENTING THE INITIATION OF THE BLOCKED CONDITION OF SAID BISTABLE MULTIVIBRATOR UNTIL ARRIVAL OF THE CONTROL PULSE INDICATIVE OF THE PHASE POSITION OF SAID SECOND OSCILLATION AND PREVENTING THE INITIATION OF SAID CONDUCTIVE CONDITION UNTIL ARRIVAL OF THE CONTROL PULSE INDICATIVE OF THE PHASE POSITION OF SAID FIRST OSCILLATION AND FOLLOWING SAID SECOND OSCILLATION PULSE, WHEREBY MEASURING ERRORS AT VERY SMALL AND LARGE PHASE ANGLES ARE MINIMIZED.
References Cited (Backward Citations)
US2877416A
Cited
US2866092A
Cited
US2918625A
Cited
US2935609A
Cited
US2977538A
Cited
US3013211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |