JPH01160736U - - Google Patents
Info
- Publication number
- JPH01160736U JPH01160736U JP5722488U JP5722488U JPH01160736U JP H01160736 U JPH01160736 U JP H01160736U JP 5722488 U JP5722488 U JP 5722488U JP 5722488 U JP5722488 U JP 5722488U JP H01160736 U JPH01160736 U JP H01160736U
- Authority
- JP
- Japan
- Prior art keywords
- identification signal
- signal
- radio device
- carrier wave
- beacon signal
- 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
- 238000010586 diagram Methods 0.000 description 5
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
Landscapes
- Transmitters (AREA)
Description
第１図はこの考案の１実施例を示すブロツク回
路図、第２図は上記第１図の各信号の波形図、第
３図はこの考案の他の実施例を示すブロツク回路
図、第４図は従来の実施例を示すブロツク回路図
、第５図は上記第４図の各信号の波形図である。
図中、２，２ｖ，２ｕ…変調手段、５…ビーコ
ン信号発生手段、６…識別信号発生手段、８…ス
イツチ手段、Ｓｂ…ビーコン信号、Ｓｄ…識別信
号、Ｓｓ…掃引信号。
FIG. 1 is a block circuit diagram showing one embodiment of this invention, FIG. 2 is a waveform diagram of each signal in FIG. 1, FIG. 3 is a block circuit diagram showing another embodiment of this invention, and FIG. The figure is a block circuit diagram showing a conventional embodiment, and FIG. 5 is a waveform diagram of each signal shown in FIG. 4. In the figure, 2, 2v, 2u...Modulation means, 5...Beacon signal generation means, 6...Identification signal generation means, 8...Switch means, Sb...Beacon signal, Sd...Identification signal, Ss...Sweep signal.
Claims (1)
電波を発信する救命無線機に於いて、 識別信号Ｓｄを発生する識別信号発生手段６と
、上記ビーコン信号Ｓｂと識別信号Ｓｄとを所定
周期で切り換えて変調手段２に入力するスイツチ
手段８とを備え、同一搬送波がビーコン信号Ｓｂ
と識別信号Ｓｄとで交互に変調され、発信される
構成としたことを特徴とする救命無線機。 (2) 前記同一搬送波に代えて周波数の異なる２
種の搬送波を用いるとともに、それぞれの搬送波
に対応する変調手段２ｖ，２ｕを備え、上記スイ
ツチ手段８により、ビーコン信号Ｓｂと識別信号
Ｓｄとを上記２つの変調手段２ｖ，２ｕに交互に
入力する構成とした請求項１に記載の救命無線機
。 (3) スイツチ手段８の切り換え制御にビーコン
信号Ｓｂを発生する際に必要な掃引信号Ｓｓを用
いた請求項１、又は２に記載の救命無線機。[Claims for Utility Model Registration] (1) In a lifesaving radio device that transmits emergency radio waves by modulating a carrier wave with a beacon signal Sb, an identification signal generating means 6 that generates an identification signal Sd, and the beacon signal Sb. switch means 8 for switching the identification signal Sd at a predetermined period and inputting the same carrier wave to the modulation means 2;
A life-saving radio device characterized in that it is configured to be alternately modulated and transmitted with an identification signal Sd and an identification signal Sd. (2) Two different frequencies instead of the same carrier wave
A configuration in which different carrier waves are used and modulation means 2v, 2u corresponding to the respective carrier waves are provided, and the beacon signal Sb and the identification signal Sd are alternately input to the two modulation means 2v, 2u by the switch means 8. The lifesaving radio device according to claim 1. (3) The life-saving radio device according to claim 1 or 2, wherein the sweep signal Ss necessary for generating the beacon signal Sb is used for switching control of the switch means 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988057224U JP2501109Y2 (en) | 1988-04-26 | 1988-04-26 | Lifesaving radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988057224U JP2501109Y2 (en) | 1988-04-26 | 1988-04-26 | Lifesaving radio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160736U true JPH01160736U (en) | 1989-11-08 |
| JP2501109Y2 JP2501109Y2 (en) | 1996-06-12 |
Family
ID=31283081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988057224U Expired - Lifetime JP2501109Y2 (en) | 1988-04-26 | 1988-04-26 | Lifesaving radio |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501109Y2 (en) |
-
1988
- 1988-04-26 JP JP1988057224U patent/JP2501109Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501109Y2 (en) | 1996-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2501109Y2 (en) | Lifesaving radio | |
| JPH0322490U (en) | ||
| JPH033826U (en) | ||
| JPS52109811A (en) | Amplitude phase modulation communication system | |
| JPH032268U (en) | ||
| JPS62129827U (en) | ||
| JPH01177631U (en) | ||
| JPS6433084U (en) | ||
| JPS6224547U (en) | ||
| JPS61171344U (en) | ||
| JPH01107276U (en) | ||
| JPH0353035U (en) | ||
| JPS6387929U (en) | ||
| JPS6438852U (en) | ||
| JPS6268942U (en) | ||
| JPS6277938U (en) | ||
| JPS63146765U (en) | ||
| JPS61171339U (en) | ||
| JPS61119437U (en) | ||
| JPS6164767U (en) | ||
| JPS6135435U (en) | V/F converter | |
| JPH0267404U (en) | ||
| JPH02150834U (en) | ||
| JPS62109534U (en) | ||
| JPS63108243U (en) |