Inventor
John S. Eggenberger
Inventor
Sunnyvale, CA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding36%
G06FElectric digital data processing27%
G11BInformation storage based on relative movement between record carrier and transducer18%
G11CStatic stores9%
H04LTransmission of digital information, e.g. telegraphic communication9%
PatentTitleYear
5,734,663'Abbreviated trial-and-error technique for correcting long bursts of consecutive errors using CRC bytes'19985,617,432'Common error protection code for data stored as a composite of different data formats'19974,916,701'Method and system for correcting long bursts of consecutive errors'19904,707,681'Method and apparatus for implementing optimum PRML codes'19874,115,768'Sequential encoding and decoding of variable word length, fixed rate data codes'19784,100,403'Method and means for discriminating between systematic and noise-induced error in data extracted from word organized memory arrays'19784,028,685'Field access propagation of bubble lattice'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1998Patents assigned to IBM (7)· patent assignee history
1977–1978Based in Los Altos, CA, US· patent location history
1987–1998Based in Sunnyvale, CA, US· patent location history
1997Based in Shingle Springs, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 7 | 1977–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 3 | 1987–1998 |
| Los Altos, California, US | 3 | 1977–1978 |
| Shingle Springs, California, US | 1 | 1997 |