NL272204A - - Google Patents
Info
- Publication number
- NL272204A NL272204A NL272204DA NL272204A NL 272204 A NL272204 A NL 272204A NL 272204D A NL272204D A NL 272204DA NL 272204 A NL272204 A NL 272204A
- Authority
- NL
- Netherlands
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
- H03L7/08—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
-
- 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
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
- H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR851368A FR1288134A (fr) | 1961-02-01 | 1961-02-01 | Synthétiseur de fréquence à commande électronique d'exploration de fréquence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL272204A true NL272204A (OSRAM) |
Family
ID=8747908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL272204D NL272204A (OSRAM) | 1961-02-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3205451A (OSRAM) |
| CH (1) | CH392637A (OSRAM) |
| DE (1) | DE1273009B (OSRAM) |
| GB (1) | GB969549A (OSRAM) |
| NL (1) | NL272204A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049664A6 (OSRAM) * | 1969-06-16 | 1971-03-26 | Cit Alcatel | |
| GB1420320A (en) * | 1971-12-08 | 1976-01-07 | Matsushita Electric Industrial Co Ltd | Tuning apparatus |
| US3793594A (en) * | 1972-02-18 | 1974-02-19 | Rca Corp | Wide band phase-coherent self-calibrating translation loop |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1075170B (de) * | 1960-02-11 | Siemens &. Halske Aktiengesellschaft, Berlin und München | Schaltung zur Frequenzeinrastung | |
| US2594263A (en) * | 1948-01-21 | 1952-04-22 | Philco Corp | Automatic frequency control system |
| US2631239A (en) * | 1950-02-01 | 1953-03-10 | Lower Jack Wesley | Automatic frequency control system |
| US2749442A (en) * | 1950-12-09 | 1956-06-05 | Servo Corp Of America | Controlled oscillator |
| US2951150A (en) * | 1956-11-16 | 1960-08-30 | Itt | Automatic frequency search and track system |
| US2881319A (en) * | 1957-06-07 | 1959-04-07 | Arthur R Sills | Automatic frequency control system |
-
0
- NL NL272204D patent/NL272204A/xx unknown
-
1961
- 1961-11-13 DE DEC25492A patent/DE1273009B/de active Pending
- 1961-11-20 CH CH1345361A patent/CH392637A/fr unknown
-
1962
- 1962-01-03 US US164068A patent/US3205451A/en not_active Expired - Lifetime
- 1962-01-09 GB GB815/62A patent/GB969549A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1273009B (de) | 1968-07-18 |
| GB969549A (en) | 1964-09-09 |
| CH392637A (fr) | 1965-05-31 |
| US3205451A (en) | 1965-09-07 |