JPS5588443A - Signal detection circuit - Google Patents
Signal detection circuitInfo
- Publication number
- JPS5588443A JPS5588443A JP16334578A JP16334578A JPS5588443A JP S5588443 A JPS5588443 A JP S5588443A JP 16334578 A JP16334578 A JP 16334578A JP 16334578 A JP16334578 A JP 16334578A JP S5588443 A JPS5588443 A JP S5588443A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection
- delivered
- circuit
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 title abstract 10
- 239000000969 carrier Substances 0.000 abstract 2
- 230000001939 inductive effect Effects 0.000 abstract 1
Landscapes
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
PURPOSE: To increase the velocity for the tone burst communication by obtaining the minute coefficient through detection of the increase or decrease of the carriers to be detected, performing the level decision for the carriers and then delivering the result of the level decision in preference to the detection result of the minute coefficient.
CONSTITUTION: The detection is given to the reception of the signals applied to inductive line L which is provided along the traveling line via sensor 10 of signal detection circuit 1, and then reception signal RS is delivered. Signal RS is then applied to band pass filters 11 and 12, and tone signal TS and pilot signal PS are delivered to the output of filters 11 and 12 each. Then output signal TS of filter 11 is detected through detection circuit 13 to deliver tone burst signal TSC, and signal TSC is applied to minute coefficient detection circuit 15 as well as to level comparator circuit 18. And a comparison is given between signal PS obtained through detection of the output of filter 12 through detection circuit 14 and the mean level signal, and the comparison result is applied to preference control circuit 19 to be delivered in preference to the detection result of the minute coefficient delivered through circuit 15.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16334578A JPS5588443A (en) | 1978-12-26 | 1978-12-26 | Signal detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16334578A JPS5588443A (en) | 1978-12-26 | 1978-12-26 | Signal detection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5588443A true JPS5588443A (en) | 1980-07-04 |
JPS6221296B2 JPS6221296B2 (en) | 1987-05-12 |
Family
ID=15772103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16334578A Granted JPS5588443A (en) | 1978-12-26 | 1978-12-26 | Signal detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5588443A (en) |
-
1978
- 1978-12-26 JP JP16334578A patent/JPS5588443A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6221296B2 (en) | 1987-05-12 |
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