ATA297576A - Phasenregelkreis mit einem spannungsgesteuerten oszillator - Google Patents
Phasenregelkreis mit einem spannungsgesteuerten oszillatorInfo
- Publication number
- ATA297576A ATA297576A AT762975A AT297576A ATA297576A AT A297576 A ATA297576 A AT A297576A AT 762975 A AT762975 A AT 762975A AT 297576 A AT297576 A AT 297576A AT A297576 A ATA297576 A AT A297576A
- Authority
- AT
- Austria
- Prior art keywords
- control circuit
- controlled oscillator
- voltage controlled
- phase control
- oscillator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
- G11B20/06—Angle-modulation recording or reproducing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/571,379 US3997915A (en) | 1975-04-24 | 1975-04-24 | Frequency modulating and demodulating method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA297576A true ATA297576A (de) | 1981-03-15 |
AT364394B AT364394B (de) | 1981-10-12 |
Family
ID=24283451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0297576A AT364394B (de) | 1975-04-24 | 1976-04-23 | Phasenregelkreis mit einem spannungsgesteuerten oszillator |
Country Status (4)
Country | Link |
---|---|
US (1) | US3997915A (de) |
JP (1) | JPS51130209A (de) |
AT (1) | AT364394B (de) |
DE (1) | DE2616417A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5868305A (ja) * | 1981-10-19 | 1983-04-23 | Hitachi Ltd | 周波数変復調回路 |
US4481546A (en) * | 1981-10-19 | 1984-11-06 | Hitachi, Ltd. | Modulator-demodulator for obtaining and demodulating frequency-modulated signal |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2583983A (en) * | 1947-05-23 | 1952-01-29 | Brush Dev Co | Frequency modulated magnetic recording and reproducing |
FR1488677A (de) * | 1965-08-04 | 1967-10-25 | ||
US3414842A (en) * | 1965-10-21 | 1968-12-03 | Collins Radio Co | Frequency modulated reference controlled oscillator |
US3637951A (en) * | 1968-07-22 | 1972-01-25 | Teledyne Geotech | Recording head driver which avoids saturation |
US3622913A (en) * | 1969-10-29 | 1971-11-23 | Rca Corp | Frequency modulated phase-locked oscillator having a low- and high-frequency response |
-
1975
- 1975-04-24 US US05/571,379 patent/US3997915A/en not_active Expired - Lifetime
-
1976
- 1976-04-14 DE DE19762616417 patent/DE2616417A1/de not_active Withdrawn
- 1976-04-19 JP JP51043744A patent/JPS51130209A/ja active Pending
- 1976-04-23 AT AT0297576A patent/AT364394B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT364394B (de) | 1981-10-12 |
US3997915A (en) | 1976-12-14 |
JPS51130209A (en) | 1976-11-12 |
DE2616417A1 (de) | 1976-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELA | Expired due to lapse of time |