JPS52131767A - Frequency detector - Google Patents
Frequency detectorInfo
- Publication number
- JPS52131767A JPS52131767A JP4889876A JP4889876A JPS52131767A JP S52131767 A JPS52131767 A JP S52131767A JP 4889876 A JP4889876 A JP 4889876A JP 4889876 A JP4889876 A JP 4889876A JP S52131767 A JPS52131767 A JP S52131767A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency detector
- demodulator
- input signal
- detecting
- 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
Abstract
PURPOSE: To permit detecting minute variations in the frequency of a signal from an input signal source except for ripples in the demodulator output signal, by demodulating the input signal in an FM demodulator and detecting the level of the demodulated signal after integration.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4889876A JPS52131767A (en) | 1976-04-28 | 1976-04-28 | Frequency detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4889876A JPS52131767A (en) | 1976-04-28 | 1976-04-28 | Frequency detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52131767A true JPS52131767A (en) | 1977-11-04 |
Family
ID=12816075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4889876A Pending JPS52131767A (en) | 1976-04-28 | 1976-04-28 | Frequency detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52131767A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02192207A (en) * | 1989-01-20 | 1990-07-30 | Pioneer Electron Corp | Fm detection circuit |
-
1976
- 1976-04-28 JP JP4889876A patent/JPS52131767A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02192207A (en) * | 1989-01-20 | 1990-07-30 | Pioneer Electron Corp | Fm detection circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52141554A (en) | Detection of disturbing wave of angle-modulated wave signal demodulator | |
JPS5350613A (en) | Synchronous signal processing circuit | |
JPS53113462A (en) | Frequency discriminator | |
JPS52131767A (en) | Frequency detector | |
JPS54101651A (en) | Fm demodulator circuit | |
JPS51114802A (en) | Fm stereo receiver | |
JPS52141551A (en) | Fm demodulator of phase-shift multiplication type | |
JPS5344098A (en) | Detecting apparatus of upper and lower limit | |
JPS52105711A (en) | Fm receiver | |
JPS52111321A (en) | Receiver for static picture | |
JPS5299058A (en) | Fm signal demodulating circuit | |
JPS5363083A (en) | Detecting circuit for minute changing quantity | |
JPS53129096A (en) | Chromatography apparatus | |
JPS535901A (en) | Driving device of tuning indication meter | |
JPS5321502A (en) | Display unit in electrical machinery and apparatus | |
JPS538044A (en) | Detector | |
JPS5399715A (en) | Video signal processing circuit | |
JPS5370652A (en) | Fm demodulator | |
JPS5294587A (en) | Method of detecting deformity in grinding wheel | |
JPS5334452A (en) | Am-fm detecting circuit | |
JPS5380126A (en) | Television receiver | |
JPS5366323A (en) | Frequency control circuit | |
JPS53137658A (en) | Demodulating unit | |
JPS5398768A (en) | Area conversion circuit | |
JPS5352017A (en) | Frequency detector |