JPS6087553A - 入力信号識別回路 - Google Patents
入力信号識別回路Info
- Publication number
- JPS6087553A JPS6087553A JP58196495A JP19649583A JPS6087553A JP S6087553 A JPS6087553 A JP S6087553A JP 58196495 A JP58196495 A JP 58196495A JP 19649583 A JP19649583 A JP 19649583A JP S6087553 A JPS6087553 A JP S6087553A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- oscillation
- frequency
- flop
- 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
- 230000010355 oscillation Effects 0.000 claims description 62
- 238000001514 detection method Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (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 |
|---|---|---|---|
| JP58196495A JPS6087553A (ja) | 1983-10-19 | 1983-10-19 | 入力信号識別回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58196495A JPS6087553A (ja) | 1983-10-19 | 1983-10-19 | 入力信号識別回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6087553A true JPS6087553A (ja) | 1985-05-17 |
| JPH0479187B2 JPH0479187B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-12-15 |
Family
ID=16358718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58196495A Granted JPS6087553A (ja) | 1983-10-19 | 1983-10-19 | 入力信号識別回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6087553A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839146A (ja) * | 1981-09-01 | 1983-03-07 | Nec Corp | 信号検出回路 |
-
1983
- 1983-10-19 JP JP58196495A patent/JPS6087553A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839146A (ja) * | 1981-09-01 | 1983-03-07 | Nec Corp | 信号検出回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0479187B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-12-15 |