Patent US3337722A successfully refreshed from Google Patents.
US3337722A
Expired / Lapsed
US
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Recording apparatus
Assignee: PE Manufacturing GmbH
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Filing: 1964-03-23
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Granted: 1967-08-22
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Siess Gerhard
- 👤 Schulz Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:49
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8651; H; H03; H03M; H03M1/00; H03M1/12; H03M1/18; G06; G06F; G06F2218/00; G06F2218/08; G06F2218/10; H03M1/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
269 words
RECORDING APPARTUS COMPRISING: A VOLTAGE-TO-FREQUENCY TRANSDUCER HAVING A LIMITED RANGE OVER WHICH THE FREQUENCY OF THE IMPULSES DEVELOPED BY SAID TRANSDUCER IS LINEARLY RELATED TO THE AMPLITUDE OF A SIGNAL SUPPLIED THERETO; MEANS FOR SUPPLYING AN INPUT SIGNAL TO SAID VOLTAGETO-FREQUENCY TRANSDUCER; A COUNTER FOR COUNTING THE IMPULSES DEVELOPED BY SAID VOLTAGE-TO-FREQUENCY TRANSDUCER; SENSING MEANS FOR MONITORING THE LEVEL AT WHICH SAID VOLTAGE-TO-FREQUENCY TRANSDUCER IS OPERATING AND FOR DEVELOPING A CONTROL EFFECT WHEN A PRESELECTED LEVEL ON SAID LIMITED RANGE IS EXCEEDED; MEANS RESPONSIVE TO SAID CONTROL EFFECT FOR ATTENUATING SAID INPUT SIGNAL BY A PRESCRIBED FACTOR WHEN SAID PRESELECTED LEVEL IS EXCEEDED AND FOR TRANSLATING SAID ATTENUATED SIGNAL TO SAID VOLTAGE-TO-FREQUENCY TRANSDUCER AND FOR DISCONTINUING ATTENUATION OF SAID INPUT SIGNAL BY SAID PRESCRIBED FACTOR WHEN THE OPERATION OF SAID TRANSDUCER DROPS BELOW SAID PRESELECTED LEVEL; MEANS RESPONSIVE TO SAID CONTROL EFFECT FOR INCREASING THE COUNTING RATE OF SAID COUNTER BY THE SAME PRESCRIBED FACTOR BY WHICH SAID INPUT SIGNAL IS ATTENUATED WHEN SAID PRESELECTED LEVEL IS EXCEEDED AND FOR RESUMING THE INITIAL COUNTING RATE OF SAID COUNTER WHEN THE OPERATION OF SAID TRANSDUCER DROPS BELOW SAID PRESELECTED LEVEL; MEANS FOR EXTRACTING THE TOTAL COUNT OF SAID COUNTER AT THE OCCURRENCES OF EXTREME VALUES OF SAID INPUT SIGNAL; MEANS FOR DETECTING THE OCCURRENCES OF EXTREME VALUES OF SAID SIGNALS SUPPLIED TO SAID VOLTAGE-TO-FREQUENCY TRANSDUCER AND FOR INITIATING THE OPERATION OF SAID COUNT EXTRACTING MEANS WHEN SAID EXTREME VALUES ARE DETECTED; AND MEANS RESPONSIVE TO SAID CONTROL EFFECT FOR PREVENTING SAID DETECTION OF OCCURENCES OF EXTREME VALUES FROM PASSING TO SAID COUNT EXTRACTING MEANS WHENEVER SAID CONTROL EFFECT IS DEVELOPED.
Claim 2
Dependent Claim
269 words
RECORDING APPARTUS COMPRISING: A VOLTAGE-TO-FREQUENCY TRANSDUCER HAVING A LIMITED RANGE OVER WHICH THE FREQUENCY OF THE IMPULSES DEVELOPED BY SAID TRANSDUCER IS LINEARLY RELATED TO THE AMPLITUDE OF A SIGNAL SUPPLIED THERETO; MEANS FOR SUPPLYING AN INPUT SIGNAL TO SAID VOLTAGETO-FREQUENCY TRANSDUCER; A COUNTER FOR COUNTING THE IMPULSES DEVELOPED BY SAID VOLTAGE-TO-FREQUENCY TRANSDUCER; SENSING MEANS FOR MONITORING THE LEVEL AT WHICH SAID VOLTAGE-TO-FREQUENCY TRANSDUCER IS OPERATING AND FOR DEVELOPING A CONTROL EFFECT WHEN A PRESELECTED LEVEL ON SAID LIMITED RANGE IS EXCEEDED; MEANS RESPONSIVE TO SAID CONTROL EFFECT FOR ATTENUATING SAID INPUT SIGNAL BY A PRESCRIBED FACTOR WHEN SAID PRESELECTED LEVEL IS EXCEEDED AND FOR TRANSLATING SAID ATTENUATED SIGNAL TO SAID VOLTAGE-TO-FREQUENCY TRANSDUCER AND FOR DISCONTINUING ATTENUATION OF SAID INPUT SIGNAL BY SAID PRESCRIBED FACTOR WHEN THE OPERATION OF SAID TRANSDUCER DROPS BELOW SAID PRESELECTED LEVEL; MEANS RESPONSIVE TO SAID CONTROL EFFECT FOR INCREASING THE COUNTING RATE OF SAID COUNTER BY THE SAME PRESCRIBED FACTOR BY WHICH SAID INPUT SIGNAL IS ATTENUATED WHEN SAID PRESELECTED LEVEL IS EXCEEDED AND FOR RESUMING THE INITIAL COUNTING RATE OF SAID COUNTER WHEN THE OPERATION OF SAID TRANSDUCER DROPS BELOW SAID PRESELECTED LEVEL; MEANS FOR EXTRACTING THE TOTAL COUNT OF SAID COUNTER AT THE OCCURRENCES OF EXTREME VALUES OF SAID INPUT SIGNAL; MEANS FOR DETECTING THE OCCURRENCES OF EXTREME VALUES OF SAID SIGNALS SUPPLIED TO SAID VOLTAGE-TO-FREQUENCY TRANSDUCER AND FOR INITIATING THE OPERATION OF SAID COUNT EXTRACTING MEANS WHEN SAID EXTREME VALUES ARE DETECTED; AND MEANS RESPONSIVE TO SAID CONTROL EFFECT FOR PREVENTING SAID DETECTION OF OCCURENCES OF EXTREME VALUES FROM PASSING TO SAID COUNT EXTRACTING MEANS WHENEVER SAID CONTROL EFFECT IS DEVELOPED.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |