JPH0234499B2 - - Google Patents
Info
- Publication number
- JPH0234499B2 JPH0234499B2 JP58012093A JP1209383A JPH0234499B2 JP H0234499 B2 JPH0234499 B2 JP H0234499B2 JP 58012093 A JP58012093 A JP 58012093A JP 1209383 A JP1209383 A JP 1209383A JP H0234499 B2 JPH0234499 B2 JP H0234499B2
- Authority
- JP
- Japan
- Prior art keywords
- sequence
- radio
- radios
- frequency
- pseudo
- 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.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000004048 modification Effects 0.000 claims abstract description 7
- 238000012986 modification Methods 0.000 claims abstract description 7
- 108091006146 Channels Proteins 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- NNKKTZOEKDFTBU-YBEGLDIGSA-N cinidon ethyl Chemical compound C1=C(Cl)C(/C=C(\Cl)C(=O)OCC)=CC(N2C(C3=C(CCCC3)C2=O)=O)=C1 NNKKTZOEKDFTBU-YBEGLDIGSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/003—Secret communication by varying carrier frequency at or within predetermined or random intervals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Radio Relay Systems (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8202357 | 1982-01-27 | ||
| GB8202357 | 1982-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58161438A JPS58161438A (ja) | 1983-09-26 |
| JPH0234499B2 true JPH0234499B2 (enrdf_load_stackoverflow) | 1990-08-03 |
Family
ID=10527920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58012093A Granted JPS58161438A (ja) | 1982-01-27 | 1983-01-27 | 周波数ホツピング無線通信システム |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0084967B1 (enrdf_load_stackoverflow) |
| JP (1) | JPS58161438A (enrdf_load_stackoverflow) |
| AT (1) | ATE13789T1 (enrdf_load_stackoverflow) |
| AU (1) | AU553652B2 (enrdf_load_stackoverflow) |
| DE (1) | DE3360246D1 (enrdf_load_stackoverflow) |
| GB (1) | GB2114402B (enrdf_load_stackoverflow) |
| IN (1) | IN159180B (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020261403A1 (ja) * | 2019-06-26 | 2020-12-30 | 日本電気株式会社 | 身長推定装置、身長推定方法及びプログラムが格納された非一時的なコンピュータ可読媒体 |
| WO2021084687A1 (ja) * | 2019-10-31 | 2021-05-06 | 日本電気株式会社 | 画像処理装置、画像処理方法及び画像処理プログラムが格納された非一時的なコンピュータ可読媒体 |
| US11270562B2 (en) | 2020-02-18 | 2022-03-08 | Hitachi, Ltd. | Video surveillance system and video surveillance method |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2129655B (en) * | 1982-09-08 | 1986-02-05 | Racal Res Ltd | Improvements in and relating to radio communications |
| IL82561A (en) * | 1986-05-27 | 1991-12-15 | Fairchild Weston Systems Inc | Secure communication system for multiple remote units |
| US5056108A (en) * | 1990-04-04 | 1991-10-08 | Van Metre Lund | Communication system |
| EP0944180A3 (en) * | 1991-08-23 | 2000-06-28 | Kabushiki Kaisha Toshiba | Radio information communication system using multi-carrier spread spectrum transmission system and error correction method |
| WO1993021703A1 (en) * | 1992-04-15 | 1993-10-28 | Coachline Video Express Pty Ltd | Signal distribution system |
| US5533046A (en) * | 1992-10-08 | 1996-07-02 | Lund; Vanmetre | Spread spectrum communication system |
| US5809417A (en) * | 1994-07-05 | 1998-09-15 | Lucent Technologies Inc. | Cordless telephone arranged for operating with multiple portable units in a frequency hopping system |
| US5463659A (en) * | 1994-07-05 | 1995-10-31 | At&T Ipm Corp. | Apparatus and method of configuring a cordless telephone for operating in a frequency hopping system |
| GB2300547B (en) * | 1995-05-02 | 1999-08-25 | Plessey Semiconductors Ltd | Wireless local area neworks |
| GB9508885D0 (en) * | 1995-05-02 | 1995-06-21 | Plessey Semiconductors Ltd | Wireless local area networks |
| GB9513398D0 (en) * | 1995-06-30 | 1995-09-27 | Boateng Jacob K | Automatic exchangeless universal radio phone |
| CA2300064A1 (en) * | 1997-08-14 | 1999-02-25 | Siemens Aktiengesellschaft | Method and device for generating a random number sequence for carrier frequencies of a mobile radio transmission |
| WO1999066653A1 (de) * | 1998-06-18 | 1999-12-23 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zum umsetzen einer zufallszahlen-sequenz in trägerfrequenzen für eine mobilfunkübertragung |
| US8069468B1 (en) * | 2000-04-18 | 2011-11-29 | Oracle America, Inc. | Controlling access to information over a multiband network |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH499931A (de) * | 1968-02-12 | 1970-11-30 | Patelhold Patentverwertung | Synchronisierverfahren für programmgesteuerte Trägerumtastung |
| DE1939975A1 (de) * | 1969-08-06 | 1971-02-18 | Licentia Gmbh | System zur UEbertragung von binaercodierten Nachrichten |
| DE2457027B2 (de) * | 1974-12-03 | 1977-02-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum programmieren von anordnungen zum erzeugen zufallsaehnlicher binaerzeichenfolgen |
-
1983
- 1983-01-18 IN IN30/DEL/83A patent/IN159180B/en unknown
- 1983-01-20 AU AU10623/83A patent/AU553652B2/en not_active Ceased
- 1983-01-21 EP EP83300320A patent/EP0084967B1/en not_active Expired
- 1983-01-21 DE DE8383300320T patent/DE3360246D1/de not_active Expired
- 1983-01-21 AT AT83300320T patent/ATE13789T1/de active
- 1983-01-21 GB GB08301655A patent/GB2114402B/en not_active Expired
- 1983-01-27 JP JP58012093A patent/JPS58161438A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020261403A1 (ja) * | 2019-06-26 | 2020-12-30 | 日本電気株式会社 | 身長推定装置、身長推定方法及びプログラムが格納された非一時的なコンピュータ可読媒体 |
| WO2021084687A1 (ja) * | 2019-10-31 | 2021-05-06 | 日本電気株式会社 | 画像処理装置、画像処理方法及び画像処理プログラムが格納された非一時的なコンピュータ可読媒体 |
| US11270562B2 (en) | 2020-02-18 | 2022-03-08 | Hitachi, Ltd. | Video surveillance system and video surveillance method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU553652B2 (en) | 1986-07-24 |
| EP0084967B1 (en) | 1985-06-12 |
| IN159180B (enrdf_load_stackoverflow) | 1987-04-04 |
| GB2114402B (en) | 1985-06-05 |
| DE3360246D1 (en) | 1985-07-18 |
| EP0084967A2 (en) | 1983-08-03 |
| EP0084967A3 (en) | 1983-08-10 |
| JPS58161438A (ja) | 1983-09-26 |
| GB2114402A (en) | 1983-08-17 |
| AU1062383A (en) | 1983-08-04 |
| ATE13789T1 (de) | 1985-06-15 |
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