CH295853A - Schaltungsanordnung zur automatischen Frequenzregelung. - Google Patents
Schaltungsanordnung zur automatischen Frequenzregelung.Info
- Publication number
- CH295853A CH295853A CH295853DA CH295853A CH 295853 A CH295853 A CH 295853A CH 295853D A CH295853D A CH 295853DA CH 295853 A CH295853 A CH 295853A
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit arrangement
- frequency control
- automatic frequency
- automatic
- arrangement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
- F01L7/08—Rotary or oscillatory slide valve-gear or valve arrangements with conically or frusto-conically shaped valves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/22—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Generation Of Surge Voltage And Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL295853X | 1950-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH295853A true CH295853A (de) | 1954-01-15 |
Family
ID=19782970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH295853D CH295853A (de) | 1950-05-22 | 1951-05-21 | Schaltungsanordnung zur automatischen Frequenzregelung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US2725476A (de) |
BE (1) | BE503401A (de) |
CH (1) | CH295853A (de) |
DE (1) | DE855420C (de) |
FR (1) | FR1037342A (de) |
GB (1) | GB684217A (de) |
NL (1) | NL75725C (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1034214B (de) * | 1955-08-26 | 1958-07-17 | Continental Rundfunk G M B H | Synchronisierschaltung fuer Fernsehgeraete |
US2833923A (en) * | 1955-10-13 | 1958-05-06 | Gen Electric | Hunting a. f. c. system |
US2896169A (en) * | 1955-10-24 | 1959-07-21 | Gen Electric | Automatic frequency control system with a two-speed frequency sweep |
US2924783A (en) * | 1956-12-27 | 1960-02-09 | Itt | Wide band automatic frequency control systems |
DE1040087B (de) * | 1957-04-06 | 1958-10-02 | Telefunken Gmbh | Phasenvergleichsschaltung, insbesondere fuer Fernsehempfaenger |
US3147448A (en) * | 1961-01-30 | 1964-09-01 | Hazeltine Research Inc | Four layer diode sweep search afc circuit |
DE1194463B (de) * | 1961-09-05 | 1965-06-10 | Siemens Ag | Frequenzregelschaltung |
DE1276127B (de) * | 1963-09-30 | 1968-08-29 | Siemens Ag | Schaltung zur Frequenzteilung |
DE1267245B (de) * | 1964-12-30 | 1968-05-02 | Telefunken Patent | Schaltungsanordnung zur Synchronisierung eines freischwingenden Oszillators |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR957645A (de) * | 1942-11-03 | 1950-02-23 | ||
US2457140A (en) * | 1944-10-09 | 1948-12-28 | Standard Telephones Cables Ltd | Voltage control circuit |
-
0
- BE BE503401D patent/BE503401A/xx unknown
- NL NL75725D patent/NL75725C/xx active
-
1951
- 1951-05-09 US US225417A patent/US2725476A/en not_active Expired - Lifetime
- 1951-05-18 GB GB11666/51A patent/GB684217A/en not_active Expired
- 1951-05-19 DE DEN3936A patent/DE855420C/de not_active Expired
- 1951-05-21 FR FR1037342D patent/FR1037342A/fr not_active Expired
- 1951-05-21 CH CH295853D patent/CH295853A/de unknown
Also Published As
Publication number | Publication date |
---|---|
DE855420C (de) | 1952-11-13 |
BE503401A (de) | |
NL75725C (de) | |
FR1037342A (fr) | 1953-09-16 |
GB684217A (en) | 1952-12-10 |
US2725476A (en) | 1955-11-29 |
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