CH478488A - Verfahren zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen - Google Patents

Verfahren zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen

Info

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
Application number
CH505066A
Other languages
English (en)
Inventor
Gassmann Gerhard-Guenter
Original Assignee
Int Standard Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DEST22923A external-priority patent/DE1218020B/de
Priority claimed from DEST22924A external-priority patent/DE1221272B/de
Priority claimed from DEST22927A external-priority patent/DE1254200B/de
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH478488A publication Critical patent/CH478488A/de

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)
CH505066A 1964-11-10 1966-04-06 Verfahren zum Empfang von insbesondere amplituden- und/oder phasenmodulierten Hochfrequenzsignalen CH478488A (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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