BR7017181D0 - Detector de frequencia modulada de faixa limitada - Google Patents
Detector de frequencia modulada de faixa limitadaInfo
- Publication number
- BR7017181D0 BR7017181D0 BR217181/70A BR21718170A BR7017181D0 BR 7017181 D0 BR7017181 D0 BR 7017181D0 BR 217181/70 A BR217181/70 A BR 217181/70A BR 21718170 A BR21718170 A BR 21718170A BR 7017181 D0 BR7017181 D0 BR 7017181D0
- Authority
- BR
- Brazil
- Prior art keywords
- frequency detector
- modulated frequency
- limited band
- band modulated
- limited
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manipulation Of Pulses (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80571269A | 1969-03-10 | 1969-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7017181D0 true BR7017181D0 (pt) | 1973-01-16 |
Family
ID=25192313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR217181/70A BR7017181D0 (pt) | 1969-03-10 | 1970-03-03 | Detector de frequencia modulada de faixa limitada |
Country Status (5)
Country | Link |
---|---|
US (1) | US3573642A (pt) |
BR (1) | BR7017181D0 (pt) |
DE (1) | DE2010536B2 (pt) |
GB (1) | GB1292934A (pt) |
HK (1) | HK36977A (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838349A (en) * | 1973-06-01 | 1974-09-24 | Motorola Inc | Band limited fm detector |
US4755792A (en) * | 1985-06-13 | 1988-07-05 | Black & Decker Inc. | Security control system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE480687A (pt) * | 1941-12-19 | |||
US2462100A (en) * | 1946-04-18 | 1949-02-22 | Fed Telecomm Lab Inc | Demodulator system for time modulated pulses |
US2520480A (en) * | 1947-11-12 | 1950-08-29 | Philco Corp | Frequency modulation receiver |
-
1969
- 1969-03-10 US US805712A patent/US3573642A/en not_active Expired - Lifetime
-
1970
- 1970-02-24 GB GB8722/70A patent/GB1292934A/en not_active Expired
- 1970-03-03 BR BR217181/70A patent/BR7017181D0/pt unknown
- 1970-03-05 DE DE19702010536 patent/DE2010536B2/de not_active Withdrawn
-
1977
- 1977-07-14 HK HK369/77A patent/HK36977A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3573642A (en) | 1971-04-06 |
DE2010536A1 (de) | 1971-02-04 |
DE2010536B2 (de) | 1972-04-13 |
GB1292934A (en) | 1972-10-18 |
HK36977A (en) | 1977-07-22 |
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