JPS6328374B2 - - Google Patents
Info
- Publication number
- JPS6328374B2 JPS6328374B2 JP56078219A JP7821981A JPS6328374B2 JP S6328374 B2 JPS6328374 B2 JP S6328374B2 JP 56078219 A JP56078219 A JP 56078219A JP 7821981 A JP7821981 A JP 7821981A JP S6328374 B2 JPS6328374 B2 JP S6328374B2
- Authority
- JP
- Japan
- Prior art keywords
- relay station
- signal
- pilot signal
- information
- sub
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7821981A JPS57193146A (en) | 1981-05-23 | 1981-05-23 | Monitoring system for relay station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7821981A JPS57193146A (en) | 1981-05-23 | 1981-05-23 | Monitoring system for relay station |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57193146A JPS57193146A (en) | 1982-11-27 |
JPS6328374B2 true JPS6328374B2 (enrdf_load_html_response) | 1988-06-08 |
Family
ID=13655932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7821981A Granted JPS57193146A (en) | 1981-05-23 | 1981-05-23 | Monitoring system for relay station |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57193146A (enrdf_load_html_response) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH052787U (ja) * | 1991-07-02 | 1993-01-19 | ヤンマー農機株式会社 | 生ゴミ処理機の防虫剤投入機構 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53144204A (en) * | 1977-05-21 | 1978-12-15 | Mitsubishi Electric Corp | Transmitting system for optical communication circuit monitor/order signal |
-
1981
- 1981-05-23 JP JP7821981A patent/JPS57193146A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH052787U (ja) * | 1991-07-02 | 1993-01-19 | ヤンマー農機株式会社 | 生ゴミ処理機の防虫剤投入機構 |
Also Published As
Publication number | Publication date |
---|---|
JPS57193146A (en) | 1982-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU619105B2 (en) | Hybrid modulation satellite communication system | |
JPH0479178B2 (enrdf_load_html_response) | ||
IE33059B1 (en) | Improvements in or relating to data transmission systems | |
JP3039811B2 (ja) | 中継器の監視方式 | |
KR880013334A (ko) | 수 신 장 치 | |
JPS6328374B2 (enrdf_load_html_response) | ||
US4941198A (en) | Communications repeater monitoring system | |
JPS6034859B2 (ja) | 信号伝送方式 | |
JPH06164554A (ja) | 周波数ダイバーシティ通信装置 | |
JPS6228615B2 (enrdf_load_html_response) | ||
Anderson et al. | A technique for digital information broadcasting using SCA channels | |
JPS6439129A (en) | Communication equipment facilitating transfer of information between vehicle and stational information spot | |
JP2517108B2 (ja) | ディジタル送受信装置 | |
JPS61285836A (ja) | 回線監視方式 | |
JP3197915B2 (ja) | 列車通信装置 | |
JPH04137837A (ja) | 鉄道用情報伝送装置 | |
KR100681105B1 (ko) | 시간분할 편이 변조 장치 및 방법 | |
JP2877197B2 (ja) | 非再生中継の警報伝送装置及び方法 | |
JPH0247940A (ja) | 直接周波数拡散同期方式 | |
JPH0523652B2 (enrdf_load_html_response) | ||
JPS5818821B2 (ja) | Psk信号の搬送波同期方式 | |
JPS63110842A (ja) | 受信制御方式 | |
JPH0544210B2 (enrdf_load_html_response) | ||
JPH09261288A (ja) | データ伝送システム | |
JPS5829252A (ja) | 写真同報電送方式 |