PH26212A - Method and apparatus for detecting transmission errors in cordless telephone - Google Patents
Method and apparatus for detecting transmission errors in cordless telephone Download PDFInfo
- Publication number
- PH26212A PH26212A PH38905A PH38905A PH26212A PH 26212 A PH26212 A PH 26212A PH 38905 A PH38905 A PH 38905A PH 38905 A PH38905 A PH 38905A PH 26212 A PH26212 A PH 26212A
- Authority
- PH
- Philippines
- Prior art keywords
- byte
- security
- code
- station
- low
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 63
- 230000005540 biological transmission Effects 0.000 title claims description 21
- 238000001514 detection method Methods 0.000 claims description 60
- 238000010200 validation analysis Methods 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 6
- 238000006467 substitution reaction Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 244000068988 Glycine max Species 0.000 claims 1
- 235000010469 Glycine max Nutrition 0.000 claims 1
- 238000012937 correction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- WLNBMPZUVDTASE-HXIISURNSA-N (2r,3r,4s,5r)-2-amino-3,4,5,6-tetrahydroxyhexanal;sulfuric acid Chemical compound [O-]S([O-])(=O)=O.O=C[C@H]([NH3+])[C@@H](O)[C@H](O)[C@H](O)CO.O=C[C@H]([NH3+])[C@@H](O)[C@H](O)[C@H](O)CO WLNBMPZUVDTASE-HXIISURNSA-N 0.000 description 1
- 241001416183 Ginglymostomatidae Species 0.000 description 1
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 1
- 101100128278 Mus musculus Lins1 gene Proteins 0.000 description 1
- 241001115903 Raphus cucullatus Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- FESBVLZDDCQLFY-UHFFFAOYSA-N sete Chemical compound [Te]=[Se] FESBVLZDDCQLFY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/727—Identification code transfer arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Telephone Function (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/215,740 US4982401A (en) | 1988-07-06 | 1988-07-06 | Method and apparatus for detecting transmission errors in cordless telephones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH26212A true PH26212A (en) | 1992-03-18 |
Family
ID=22804192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH38905A PH26212A (en) | 1988-07-06 | 1989-07-05 | Method and apparatus for detecting transmission errors in cordless telephone |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4982401A (zh) |
| JP (1) | JPH04500442A (zh) |
| CN (1) | CN1016391B (zh) |
| AU (1) | AU619033B2 (zh) |
| CA (1) | CA1315032C (zh) |
| GB (1) | GB2238935B (zh) |
| MX (1) | MX166739B (zh) |
| MY (1) | MY106107A (zh) |
| PH (1) | PH26212A (zh) |
| WO (1) | WO1990000843A1 (zh) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5426652A (en) * | 1991-01-08 | 1995-06-20 | The Dsp Group Inc. | Data reception technique |
| GB2254225A (en) * | 1991-03-05 | 1992-09-30 | Nat Semiconductor Corp | Cordless telephone security coding |
| CA2108935A1 (en) * | 1992-10-22 | 1994-04-23 | Walter E. Parkerson | Apparatus and method for fast initiation of connection in cordless telephones |
| US5450425A (en) * | 1993-11-19 | 1995-09-12 | Multi-Tech Systems, Inc. | Protocol for communication of a data packet |
| US6832082B1 (en) * | 1997-12-12 | 2004-12-14 | Thomson Licensing S.A. | Initialization of handsets in a multi-line wireless phone system for secure communications |
| US6609167B1 (en) * | 1999-03-17 | 2003-08-19 | Adaptec, Inc. | Host and device serial communication protocols and communication packet formats |
| US7383490B2 (en) * | 2005-04-14 | 2008-06-03 | International Business Machines Corporation | Methods and apparatus using commutative error detection values for fault isolation in multiple node computers |
| US7046999B2 (en) * | 2003-05-30 | 2006-05-16 | Nasaco Electronics (Hong Kong) Ltd. | Half-duplex wireless audio communication system |
| GB2410161B (en) * | 2004-01-16 | 2008-09-03 | Btg Int Ltd | Method and system for calculating and verifying the integrity of data in data transmission system |
| US7619993B2 (en) * | 2005-11-01 | 2009-11-17 | International Business Machines Corporation | Efficient probabilistic duplicate packet detector in computer networks |
| US8694862B2 (en) * | 2012-04-20 | 2014-04-08 | Arm Limited | Data processing apparatus using implicit data storage data storage and method of implicit data storage |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467140A (en) * | 1981-05-01 | 1984-08-21 | Masco Corporation Of Indiana | Microprocessor-based cordless telephone system |
| US4394642A (en) * | 1981-09-21 | 1983-07-19 | Sperry Corporation | Apparatus for interleaving and de-interleaving data |
| US4723246A (en) * | 1982-05-11 | 1988-02-02 | Tandem Computers Incorporated | Integrated scrambler-encoder using PN sequence generator |
| US4593155A (en) * | 1983-12-05 | 1986-06-03 | Motorola, Inc. | Portable telephone ID code transfer system |
| US4564941A (en) * | 1983-12-08 | 1986-01-14 | Apple Computer, Inc. | Error detection system |
| JPS60223340A (ja) * | 1984-04-20 | 1985-11-07 | Sony Corp | コ−ドレステレホン |
| FR2568436B1 (fr) * | 1984-07-27 | 1986-12-12 | Philips Indle Cale Flers Sa | Procede de gestion de l'appairage d'une base et d'un mobile, notamment telephonique, et dispositif de mise en oeuvre |
| US4736404A (en) * | 1985-03-29 | 1988-04-05 | American Telephone And Telegraph Company, At&T Technologies Inc. | Security arrangement for cordless telephone system |
| JP2582369B2 (ja) * | 1987-05-13 | 1997-02-19 | 日本電気株式会社 | ロ−ミング登録・解除方式 |
-
1988
- 1988-07-06 US US07/215,740 patent/US4982401A/en not_active Expired - Fee Related
-
1989
- 1989-06-29 AU AU39660/89A patent/AU619033B2/en not_active Ceased
- 1989-06-29 WO PCT/US1989/002887 patent/WO1990000843A1/en unknown
- 1989-06-29 JP JP1507658A patent/JPH04500442A/ja active Pending
- 1989-07-05 MX MX016698A patent/MX166739B/es unknown
- 1989-07-05 MY MYPI89000909A patent/MY106107A/en unknown
- 1989-07-05 PH PH38905A patent/PH26212A/en unknown
- 1989-07-06 CN CN89104661A patent/CN1016391B/zh not_active Expired
- 1989-07-06 CA CA000604935A patent/CA1315032C/en not_active Expired - Fee Related
-
1990
- 1990-12-13 GB GB9028044A patent/GB2238935B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| MX166739B (es) | 1993-01-29 |
| CN1040893A (zh) | 1990-03-28 |
| GB2238935A (en) | 1991-06-12 |
| CA1315032C (en) | 1993-03-23 |
| CN1016391B (zh) | 1992-04-22 |
| JPH04500442A (ja) | 1992-01-23 |
| GB9028044D0 (en) | 1991-02-27 |
| US4982401A (en) | 1991-01-01 |
| MY106107A (en) | 1995-03-31 |
| WO1990000843A1 (en) | 1990-01-25 |
| AU619033B2 (en) | 1992-01-16 |
| GB2238935B (en) | 1993-05-19 |
| AU3966089A (en) | 1990-02-05 |
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