DE2447310A1 - Verfahren und vorrichtung zur datenkomprimierung - Google Patents
Verfahren und vorrichtung zur datenkomprimierungInfo
- Publication number
- DE2447310A1 DE2447310A1 DE19742447310 DE2447310A DE2447310A1 DE 2447310 A1 DE2447310 A1 DE 2447310A1 DE 19742447310 DE19742447310 DE 19742447310 DE 2447310 A DE2447310 A DE 2447310A DE 2447310 A1 DE2447310 A1 DE 2447310A1
- Authority
- DE
- Germany
- Prior art keywords
- bit
- transition
- bits
- word
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 47
- 238000013144 data compression Methods 0.000 title description 7
- 230000007704 transition Effects 0.000 claims description 139
- 230000000295 complement effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 206010011224 Cough Diseases 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000012512 characterization method Methods 0.000 claims 14
- 230000004913 activation Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000000630 rising effect Effects 0.000 description 31
- 238000007906 compression Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 8
- 230000001960 triggered effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000003550 marker Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- LFULEKSKNZEWOE-UHFFFAOYSA-N propanil Chemical compound CCC(=O)NC1=CC=C(Cl)C(Cl)=C1 LFULEKSKNZEWOE-UHFFFAOYSA-N 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101100004297 Caenorhabditis elegans bet-1 gene Proteins 0.000 description 1
- 241000725101 Clea Species 0.000 description 1
- 101100328463 Mus musculus Cmya5 gene Proteins 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000000176 thermal ionisation mass spectrometry Methods 0.000 description 1
- 238000013055 trapped ion mobility spectrometry Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US409607A US3914586A (en) | 1973-10-25 | 1973-10-25 | Data compression method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2447310A1 true DE2447310A1 (de) | 1975-04-30 |
Family
ID=23621233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742447310 Pending DE2447310A1 (de) | 1973-10-25 | 1974-10-03 | Verfahren und vorrichtung zur datenkomprimierung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3914586A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS50113108A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2447310A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2249507A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186845A (en) * | 1981-05-14 | 1982-11-17 | Edowaado W Mooru | Minimum space digital memory for analog information |
| JPS58140899A (ja) * | 1982-02-16 | 1983-08-20 | ソニ−・テクトロニクス株式会社 | ロジツク信号表示方法 |
| US4491934A (en) * | 1982-05-12 | 1985-01-01 | Heinz Karl E | Data compression process |
| US5049881A (en) * | 1990-06-18 | 1991-09-17 | Intersecting Concepts, Inc. | Apparatus and method for very high data rate-compression incorporating lossless data compression and expansion utilizing a hashing technique |
| CA2077271C (en) * | 1991-12-13 | 1998-07-28 | David J. Craft | Method and apparatus for compressing data |
| US5396228A (en) * | 1992-01-16 | 1995-03-07 | Mobile Telecommunications Technologies | Methods and apparatus for compressing and decompressing paging data |
| US5229768A (en) * | 1992-01-29 | 1993-07-20 | Traveling Software, Inc. | Adaptive data compression system |
| US5406278A (en) * | 1992-02-28 | 1995-04-11 | Intersecting Concepts, Inc. | Method and apparatus for data compression having an improved matching algorithm which utilizes a parallel hashing technique |
| US5371499A (en) * | 1992-02-28 | 1994-12-06 | Intersecting Concepts, Inc. | Data compression using hashing |
| US5353024A (en) * | 1992-05-01 | 1994-10-04 | Intersecting Concepts, Inc. | Method for data compression having an improved encoding algorithm which utilizes a token stacking technique |
| US5563595A (en) * | 1993-12-23 | 1996-10-08 | International Business Machines Corporation | Method and apparatus for compressing data |
| US5818368A (en) * | 1997-04-18 | 1998-10-06 | Premier Research, Llc | Method and apparatus for lossless digital data compression |
| US6993393B2 (en) | 2001-12-19 | 2006-01-31 | Cardiac Pacemakers, Inc. | Telemetry duty cycle management system for an implantable medical device |
| US7729776B2 (en) * | 2001-12-19 | 2010-06-01 | Cardiac Pacemakers, Inc. | Implantable medical device with two or more telemetry systems |
| US6985773B2 (en) | 2002-02-07 | 2006-01-10 | Cardiac Pacemakers, Inc. | Methods and apparatuses for implantable medical device telemetry power management |
| US6714145B1 (en) | 2002-09-26 | 2004-03-30 | Richard Marques | Method and apparatus for integer-based encoding and decoding of bits |
| US7155290B2 (en) * | 2003-06-23 | 2006-12-26 | Cardiac Pacemakers, Inc. | Secure long-range telemetry for implantable medical device |
| US7228182B2 (en) * | 2004-03-15 | 2007-06-05 | Cardiac Pacemakers, Inc. | Cryptographic authentication for telemetry with an implantable medical device |
| EP1732645B1 (en) | 2004-04-07 | 2012-06-13 | Cardiac Pacemakers, Inc. | Rf wake-up of implantable medical device |
| US7457669B2 (en) | 2004-06-17 | 2008-11-25 | Cardiac Pacemakers, Inc. | On-demand retransmission of data with an implantable medical device |
| US7519430B2 (en) * | 2004-06-17 | 2009-04-14 | Cardiac Pacemakers, Inc. | Dynamic telemetry encoding for an implantable medical device |
| US7890180B2 (en) * | 2004-08-09 | 2011-02-15 | Cardiac Pacemakers, Inc. | Secure remote access for an implantable medical device |
| US7664553B2 (en) | 2005-04-27 | 2010-02-16 | Cardiac Pacemakers, Inc. | System and method for enabling communications with implantable medical devices |
| US8779950B2 (en) | 2012-03-05 | 2014-07-15 | Dcba, Llc | Command encoded data compression |
| US9032531B1 (en) | 2012-06-28 | 2015-05-12 | Middlegate, Inc. | Identification breach detection |
| US9543980B2 (en) | 2014-10-10 | 2017-01-10 | Massachusettes Institute Of Technology | Systems and methods for model-free compression and model-based decompression |
| US11677416B2 (en) * | 2021-05-17 | 2023-06-13 | Radu Mircea Secareanu | Hardware implementable data compression/decompression algorithm |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310786A (en) * | 1964-06-30 | 1967-03-21 | Ibm | Data compression/expansion and compressed data processing |
| US3490690A (en) * | 1964-10-26 | 1970-01-20 | Ibm | Data reduction system |
| US3413611A (en) * | 1966-01-17 | 1968-11-26 | Pfuetze David | Method and apparatus for the compaction of data |
| US3571807A (en) * | 1968-11-13 | 1971-03-23 | Bell Telephone Labor Inc | Redundancy reduction system with data editing |
| CH502030A (de) * | 1969-01-15 | 1971-01-15 | Patelhold Patentverwertung | Verfahren zum Betrieb eines adresscodierten Informationsübermittlungssystems |
| US3612660A (en) * | 1969-09-08 | 1971-10-12 | Wendell S Miller | Digital data compaction |
| US3701893A (en) * | 1970-08-28 | 1972-10-31 | Nippon Electric Co | Data converter for a computer system |
| US3701111A (en) * | 1971-02-08 | 1972-10-24 | Ibm | Method of and apparatus for decoding variable-length codes having length-indicating prefixes |
| US3689899A (en) * | 1971-06-07 | 1972-09-05 | Ibm | Run-length-limited variable-length coding with error propagation limitation |
-
1973
- 1973-10-25 US US409607A patent/US3914586A/en not_active Expired - Lifetime
-
1974
- 1974-10-03 DE DE19742447310 patent/DE2447310A1/de active Pending
- 1974-10-11 FR FR7434221A patent/FR2249507A1/fr not_active Withdrawn
- 1974-10-25 JP JP49122623A patent/JPS50113108A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3914586A (en) | 1975-10-21 |
| JPS50113108A (cg-RX-API-DMAC7.html) | 1975-09-05 |
| FR2249507A1 (cg-RX-API-DMAC7.html) | 1975-05-23 |
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