US3569934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of detecting and correcting errors in multiplexed seismic data
Assignee: PETTY GEOPHYSICAL ENG CO
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Filing: 1968-12-17
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Granted: 1971-03-09
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Expires: 1988-12-17
Abstract
Abstract A method for the detection and correction of errors in multiplexed data whereby the data is initially identified and counted to determine whether or not there are complete sets of data and subsequent data examination to detect errors in individual bit groups. Previously validated data is substituted for incorrect data to provide a useful data collection.
Inventors
- 👤 Josephus O Parr Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G06; G06F; G06F11/00; G06F11/07; G06F11/14
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
122 words
A method of operating an automatic computing system to verify the transmission of seismic data in multiplexed digital format wherein the seismic signals are assembled in bit groups, the bit groups are assembled in separate samples and the samples are assembled in data scans, comprising the steps of: 1. transferring successive individual data scans from storage in said cOmputing system; 2. examining each data scan in said computing system to determine whether there is a complete set of data therein; 3. substituting a previously examined data scan in said computing system for a successive scan that does not contain a complete set of data; and 4. transferring the data scans in said computing system to storage for transmission to data processing apparatus.
Claim 2
Independent Claim
122 words
A method of operating an automatic computing system to verify the transmission of seismic data in multiplexed digital format wherein the seismic signals are assembled in bit groups, the bit groups are assembled in separate samples and the samples are assembled in data scans, comprising the steps of: 1. transferring successive individual data scans from storage in said cOmputing system; 2. examining each data scan in said computing system to determine whether there is a complete set of data therein; 3. substituting a previously examined data scan in said computing system for a successive scan that does not contain a complete set of data; and 4. transferring the data scans in said computing system to storage for transmission to data processing apparatus.
Claim 3
Dependent Claim
19 words
examining each data scan in said computing system to determine whether there is a complete set of data therein;
Claim 4
Dependent Claim
19 words
examining each data scan in said computing system to determine whether there is a complete set of data therein;
Claim 5
Dependent Claim
73 words
A method according to claim 1 wherein step 2 includes the initial step of examining the data scans in said computing system to determine whether the number of samples within the individual data scans is correct, transference of a complete set of data to intermediate storage in said computing system and then subsequently checking the individual samples of data in said computing system to determine whether the individual bit groups therein are correct.
Claim 6
Dependent Claim
22 words
examining each of said data scans individually in said computing system to determine if the correct number of samples is represented therein;
Claim 7
Dependent Claim
22 words
examining each of said data scans individually in said computing system to determine if the correct number of samples is represented therein;
Claim 8
Dependent Claim
23 words
substituting a previously acceptable data scan in said computing system for a data scan that does not contain the correct number of samples;
Claim 9
Dependent Claim
23 words
substituting a previously acceptable data scan in said computing system for a data scan that does not contain the correct number of samples;
Claim 10
Dependent Claim
34 words
A method according to claim 2 wherein a corresponding sample from the previous data scan is substituted in said computing system for a sample of the data scan currently being checked which is defective.
Claim 11
Dependent Claim
24 words
substituting a previously examined data scan in said computing system for a successive scan that does not contain a complete set of data; and
Claim 12
Dependent Claim
24 words
substituting a previously examined data scan in said computing system for a successive scan that does not contain a complete set of data; and
Claim 13
Dependent Claim
16 words
transferring the data scans in said computing system to storage for transmission to data processing apparatus.
Claim 14
Dependent Claim
16 words
transferring the data scans in said computing system to storage for transmission to data processing apparatus.
Claim 15
Dependent Claim
26 words
A method according to claim 3 wherein the data scans are checked in said computing system for the correct parity in each of the respective samples.
Claim 16
Dependent Claim
22 words
transferring the data scans for further examination in said computing system to determine if the parity of the individual samples is correct;
Claim 17
Dependent Claim
22 words
transferring the data scans for further examination in said computing system to determine if the parity of the individual samples is correct;
Claim 18
Dependent Claim
31 words
substituting a sample from the previously acceptable data scan in said computing system for the samples that have incorrect parity, said substituted samples corresponding to the sample that is defective; and
Claim 19
Dependent Claim
31 words
substituting a sample from the previously acceptable data scan in said computing system for the samples that have incorrect parity, said substituted samples corresponding to the sample that is defective; and
Claim 20
Independent Claim
70 words
A method of operating an automatic computing system to verify the transmission of seismic data in multiplexed digital format wherein the seismic signals are assembled in bit groups, the bit groups in samples and the samples are assembled in data scans in such a manner that an adjacent subsequent data scan contains information representing an adjacent sample of the seismic signals contained in the digital data, comprising the steps of:
Claim 21
Independent Claim
70 words
A method of operating an automatic computing system to verify the transmission of seismic data in multiplexed digital format wherein the seismic signals are assembled in bit groups, the bit groups in samples and the samples are assembled in data scans in such a manner that an adjacent subsequent data scan contains information representing an adjacent sample of the seismic signals contained in the digital data, comprising the steps of:
Claim 22
Dependent Claim
11 words
transferring the data scans to storage means in said computing system.
Claim 23
Dependent Claim
11 words
transferring the data scans to storage means in said computing system.
References Cited (Backward Citations)
US3115620A
Cited
US3119098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |