AT279690B - Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen - Google Patents
Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten HochfrequenzsignalenInfo
- Publication number
- AT279690B AT279690B AT995265A AT995265A AT279690B AT 279690 B AT279690 B AT 279690B AT 995265 A AT995265 A AT 995265A AT 995265 A AT995265 A AT 995265A AT 279690 B AT279690 B AT 279690B
- Authority
- AT
- Austria
- Prior art keywords
- amplitude
- phase
- receiving
- circuit arrangement
- frequency signals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/06—Means for changing frequency deviation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2281—Homodyne or synchrodyne circuits using a phase locked loop
-
- 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
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
- H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST22923A DE1218020B (de) | 1964-11-10 | 1964-11-10 | Verfahren zur Demodulation einer hochfrequenten elektrischen Schwingung |
DEST22927A DE1254200B (de) | 1964-11-10 | 1964-11-11 | Synchrodynempfaenger fuer hochfrequente elektrische Schwingungen |
DEST023659 | 1965-04-09 | ||
DE1965ST024726 DE1283928C2 (de) | 1964-11-10 | 1965-12-03 | Synchrodynempfaenger fuer hochfrequente elektrische schwingungen |
Publications (1)
Publication Number | Publication Date |
---|---|
AT279690B true AT279690B (de) | 1970-03-10 |
Family
ID=27437448
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT995165A AT280374B (de) | 1964-11-10 | 1965-11-03 | Einrichtung zur Demodulation eines Signals |
AT995265A AT279690B (de) | 1964-11-10 | 1965-11-03 | Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen |
AT1089666A AT287803B (de) | 1964-11-10 | 1966-11-25 | Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT995165A AT280374B (de) | 1964-11-10 | 1965-11-03 | Einrichtung zur Demodulation eines Signals |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1089666A AT287803B (de) | 1964-11-10 | 1966-11-25 | Schaltungsanordnung zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen |
Country Status (4)
Country | Link |
---|---|
AT (3) | AT280374B (sv) |
DE (3) | DE1254200B (sv) |
FI (1) | FI47703C (sv) |
FR (1) | FR1466385A (sv) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB518480A (en) * | 1938-07-23 | 1940-02-28 | John Emyr Rhys Jones | Improvements in or relating to electrical frequency-dependent control means, primarily for radio apparatus |
DE864411C (de) * | 1942-05-19 | 1953-01-26 | Patelhold Patentverwertung | Einrichtung zur Verringerung der Verstimmung eines Generators |
FR963719A (sv) * | 1946-03-04 | 1950-07-19 | ||
GB662754A (en) * | 1947-12-05 | 1951-12-12 | Philips Nv | Improvements in or relating to circuits for automatic frequency-correction |
-
1964
- 1964-11-11 DE DEST22927A patent/DE1254200B/de active Pending
-
1965
- 1965-04-09 DE DE19651466420 patent/DE1466420A1/de active Pending
- 1965-11-03 AT AT995165A patent/AT280374B/de active
- 1965-11-03 AT AT995265A patent/AT279690B/de not_active IP Right Cessation
- 1965-11-10 FR FR37911A patent/FR1466385A/fr not_active Expired
- 1965-12-03 DE DE1965ST024726 patent/DE1283928C2/de not_active Expired
-
1966
- 1966-11-25 AT AT1089666A patent/AT287803B/de not_active IP Right Cessation
- 1966-12-02 FI FI663206A patent/FI47703C/sv active
Also Published As
Publication number | Publication date |
---|---|
AT287803B (de) | 1971-02-10 |
DE1254200B (de) | 1967-11-16 |
AT280374B (de) | 1970-04-10 |
FR1466385A (fr) | 1967-01-20 |
DE1283928B (de) | 1968-11-28 |
DE1466420A1 (de) | 1969-07-17 |
DE1283928C2 (de) | 1976-03-25 |
FI47703C (sv) | 1974-02-11 |
FI47703B (sv) | 1973-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |