CH478488A - Verfahren zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen - Google Patents
Verfahren zum Empfang von insbesondere amplituden- und/oder phasenmodulierten HochfrequenzsignalenInfo
- Publication number
- CH478488A CH478488A CH505066A CH505066A CH478488A CH 478488 A CH478488 A CH 478488A CH 505066 A CH505066 A CH 505066A CH 505066 A CH505066 A CH 505066A CH 478488 A CH478488 A CH 478488A
- Authority
- CH
- Switzerland
- Prior art keywords
- amplitude
- phase
- receiving
- frequency signals
- modulated high
- Prior art date
Links
Classifications
-
- 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
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Television Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Television Receiver Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST22923A DE1218020B (de) | 1964-11-10 | 1964-11-10 | Verfahren zur Demodulation einer hochfrequenten elektrischen Schwingung |
DEST22924A DE1221272B (de) | 1964-11-10 | 1964-11-10 | Vierstufiger transistorisierter Videoverstaerker |
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 |
---|---|
CH478488A true CH478488A (de) | 1969-09-15 |
Family
ID=27512246
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1549865A CH454969A (de) | 1964-11-10 | 1965-11-10 | Verfahren zum Empfang von, insbesondere amplituden- und/oder phasenmodulierten, Hochfrequenzsignalen |
CH505066A CH478488A (de) | 1964-11-10 | 1966-04-06 | Verfahren zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen |
CH1699966A CH486803A (de) | 1964-11-10 | 1966-11-29 | Verfahren zum Empfang von, insbesonders amplituden- und/oder phasenmodulierten, Hochfrequenzsignalen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1549865A CH454969A (de) | 1964-11-10 | 1965-11-10 | Verfahren zum Empfang von, insbesondere amplituden- und/oder phasenmodulierten, Hochfrequenzsignalen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1699966A CH486803A (de) | 1964-11-10 | 1966-11-29 | Verfahren zum Empfang von, insbesonders amplituden- und/oder phasenmodulierten, Hochfrequenzsignalen |
Country Status (8)
Country | Link |
---|---|
US (2) | US3454710A (de) |
BE (3) | BE672125A (de) |
CH (3) | CH454969A (de) |
FI (1) | FI46447C (de) |
GB (3) | GB1131245A (de) |
NL (3) | NL150288B (de) |
NO (1) | NO117986B (de) |
SE (3) | SE321698B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946148A (en) * | 1974-10-03 | 1976-03-23 | Zenith Radio Corporation | Television receiver operable in exact or extended range tuning modes |
US3939341A (en) * | 1975-04-02 | 1976-02-17 | Hughes Aircraft Company | Phase-locked optical homodyne receiver |
US4346477A (en) * | 1977-08-01 | 1982-08-24 | E-Systems, Inc. | Phase locked sampling radio receiver |
US4715001A (en) * | 1984-08-23 | 1987-12-22 | Motorola, Inc. | Extremely accurate automatic frequency control circuit and method therefor |
NL8403648A (nl) * | 1984-11-30 | 1986-06-16 | Philips Nv | Fasegesleutelde lus in het bijzonder voor toepassing in een direktmengende am-synchroonontvanger. |
JPH01132253A (ja) * | 1987-11-18 | 1989-05-24 | Hitachi Ltd | 位相制御装置 |
US5140703A (en) * | 1988-10-14 | 1992-08-18 | Payne Christopher P | Modulation distortion analyzer |
US5444865A (en) * | 1991-04-01 | 1995-08-22 | Motorola, Inc. | Generating transmit injection from receiver first and second injections |
WO1997038525A1 (fr) * | 1996-04-04 | 1997-10-16 | Sony Corporation | Recepteur de television |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2231704A (en) * | 1939-03-04 | 1941-02-11 | Hazeltine Corp | Homodyne receiver |
GB840485A (en) * | 1958-02-14 | 1960-07-06 | Gen Electric Co Ltd | Improvements in or relating to arrangements for demodulating electric carrier oscillations that are modulated by television signals |
US3144512A (en) * | 1961-05-03 | 1964-08-11 | Int Standard Electric Corp | Televsion signal receiver terminal |
-
1965
- 1965-11-08 NO NO65160376A patent/NO117986B/no unknown
- 1965-11-08 SE SE14333/65A patent/SE321698B/xx unknown
- 1965-11-08 US US506647A patent/US3454710A/en not_active Expired - Lifetime
- 1965-11-10 FI FI652693A patent/FI46447C/fi active
- 1965-11-10 GB GB47664/65A patent/GB1131245A/en not_active Expired
- 1965-11-10 CH CH1549865A patent/CH454969A/de unknown
- 1965-11-10 BE BE672125D patent/BE672125A/nl unknown
- 1965-11-10 NL NL656514619A patent/NL150288B/xx unknown
-
1966
- 1966-04-05 NL NL666604586A patent/NL151600B/xx unknown
- 1966-04-06 CH CH505066A patent/CH478488A/de unknown
- 1966-04-07 GB GB15564/66A patent/GB1136451A/en not_active Expired
- 1966-04-07 BE BE679172D patent/BE679172A/xx unknown
- 1966-04-07 SE SE4803/66A patent/SE344664B/xx unknown
- 1966-11-08 US US592774A patent/US3519740A/en not_active Expired - Lifetime
- 1966-11-29 CH CH1699966A patent/CH486803A/de unknown
- 1966-12-01 SE SE16440/66A patent/SE345571B/xx unknown
- 1966-12-01 NL NL666616908A patent/NL153742B/xx unknown
- 1966-12-02 GB GB54107/66A patent/GB1146865A/en not_active Expired
- 1966-12-05 BE BE690662D patent/BE690662A/nl unknown
Also Published As
Publication number | Publication date |
---|---|
FI46447C (fi) | 1973-03-12 |
NL6616908A (de) | 1967-06-05 |
US3454710A (en) | 1969-07-08 |
BE672125A (de) | 1966-05-10 |
NL6604586A (de) | 1966-10-10 |
NL151600B (nl) | 1976-11-15 |
FI46447B (de) | 1972-11-30 |
GB1136451A (en) | 1968-12-11 |
US3519740A (en) | 1970-07-07 |
BE690662A (de) | 1967-06-05 |
NL150288B (nl) | 1976-07-15 |
NL6514619A (de) | 1966-05-11 |
SE321698B (de) | 1970-03-16 |
CH486803A (de) | 1970-02-28 |
CH454969A (de) | 1968-04-30 |
SE344664B (de) | 1972-04-24 |
SE345571B (de) | 1972-05-29 |
NO117986B (de) | 1969-10-20 |
GB1146865A (en) | 1969-03-26 |
BE679172A (de) | 1966-10-07 |
GB1131245A (en) | 1968-10-23 |
NL153742B (nl) | 1977-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLZ | Patent of addition ceased |