JPS58161438A - 周波数ホツピング無線通信システム - Google Patents
周波数ホツピング無線通信システムInfo
- Publication number
- JPS58161438A JPS58161438A JP58012093A JP1209383A JPS58161438A JP S58161438 A JPS58161438 A JP S58161438A JP 58012093 A JP58012093 A JP 58012093A JP 1209383 A JP1209383 A JP 1209383A JP S58161438 A JPS58161438 A JP S58161438A
- Authority
- JP
- Japan
- Prior art keywords
- sequence
- radio
- frequency
- radios
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 23
- 108091006146 Channels Proteins 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 abstract description 6
- 238000012986 modification Methods 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 235000008694 Humulus lupulus Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 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
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012546 transfer Methods 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 true JPS58161438A (ja) | 1983-09-26 |
| JPH0234499B2 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004546A1 (en) * | 1991-08-23 | 1993-03-04 | Kabushiki Kaisha Toshiba | Radio information and communication system using multicarrier spread-spectrum transmission system |
Families Citing this family (16)
| 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 |
| 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 |
| JP7197011B2 (ja) * | 2019-06-26 | 2022-12-27 | 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 |
| US20240087353A1 (en) * | 2019-10-31 | 2024-03-14 | Nec Corporation | Image processing apparatus, image processing method, and non-transitory computer readable medium storing image processing program |
| JP7355674B2 (ja) | 2020-02-18 | 2023-10-03 | 株式会社日立製作所 | 映像監視システムおよび映像監視方法 |
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004546A1 (en) * | 1991-08-23 | 1993-03-04 | Kabushiki Kaisha Toshiba | Radio information and communication system using multicarrier spread-spectrum transmission system |
| US5561686A (en) * | 1991-08-23 | 1996-10-01 | Kabushiki Kaisha Toshiba | Radio information communication system using multi-carrier spread spectrum transmission system |
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 |
| JPH0234499B2 (enrdf_load_stackoverflow) | 1990-08-03 |
| EP0084967A2 (en) | 1983-08-03 |
| EP0084967A3 (en) | 1983-08-10 |
| GB2114402A (en) | 1983-08-17 |
| AU1062383A (en) | 1983-08-04 |
| ATE13789T1 (de) | 1985-06-15 |
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