JPS56154856A - Signal detecting circuit - Google Patents
Signal detecting circuitInfo
- Publication number
- JPS56154856A JPS56154856A JP5918880A JP5918880A JPS56154856A JP S56154856 A JPS56154856 A JP S56154856A JP 5918880 A JP5918880 A JP 5918880A JP 5918880 A JP5918880 A JP 5918880A JP S56154856 A JPS56154856 A JP S56154856A
- Authority
- JP
- Japan
- Prior art keywords
- detecting circuit
- momentary
- counter
- break
- received 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Alarm Devices (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5918880A JPS56154856A (en) | 1980-04-30 | 1980-04-30 | Signal detecting circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5918880A JPS56154856A (en) | 1980-04-30 | 1980-04-30 | Signal detecting circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56154856A true JPS56154856A (en) | 1981-11-30 |
Family
ID=13106179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5918880A Pending JPS56154856A (en) | 1980-04-30 | 1980-04-30 | Signal detecting circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56154856A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49129082A (ja) * | 1973-04-20 | 1974-12-10 | ||
JPS52133608A (en) * | 1976-04-30 | 1977-11-09 | Mitsubishi Electric Corp | Frequency discriminating circuit |
-
1980
- 1980-04-30 JP JP5918880A patent/JPS56154856A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49129082A (ja) * | 1973-04-20 | 1974-12-10 | ||
JPS52133608A (en) * | 1976-04-30 | 1977-11-09 | Mitsubishi Electric Corp | Frequency discriminating circuit |
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