BE546952A - - Google Patents
Info
- Publication number
- BE546952A BE546952A BE546952DA BE546952A BE 546952 A BE546952 A BE 546952A BE 546952D A BE546952D A BE 546952DA BE 546952 A BE546952 A BE 546952A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500792A US2898458A (en) | 1955-04-12 | 1955-04-12 | Phase detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE546952A true BE546952A (da) |
Family
ID=23990953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE546952D BE546952A (da) | 1955-04-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US2898458A (da) |
| BE (1) | BE546952A (da) |
| DE (1) | DE1038106B (da) |
| FR (1) | FR1149020A (da) |
| NL (1) | NL206202A (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1093814B (de) * | 1959-04-07 | 1960-12-01 | Standard Elektrik Lorenz Ag | Verfahren zur automatischen Kontrastregelung von Fernsehgeraeten |
| DE1121110B (de) * | 1959-05-13 | 1962-01-04 | Standard Elektrik Lorenz Ag | Synchronisationsschaltung fuer Schwingungserzeuger |
| US3192314A (en) * | 1962-04-25 | 1965-06-29 | Philco Corp | Synchronizing signal separator making use of forward and reverse space charge currents |
| US3815051A (en) * | 1972-12-29 | 1974-06-04 | Rca Corp | Controlled oscillator |
| US6519569B1 (en) * | 1999-12-01 | 2003-02-11 | B. Braun Medical, Inc. | Security infusion pump with bar code reader |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB491728A (en) * | 1937-03-10 | 1938-09-08 | Eric Lawrence Casling White | Improvements in or relating to circuit arrangements for separating electric signal pulses |
| US2473853A (en) * | 1946-01-22 | 1949-06-21 | Westinghouse Electric Corp | Frequency control system |
| US2644133A (en) * | 1947-07-22 | 1953-06-30 | Komnenus M Soukaras | Phase comparing system |
| US2561182A (en) * | 1948-05-26 | 1951-07-17 | Gen Precision Lab Inc | Sharp frequency discriminator |
| US2539374A (en) * | 1949-07-23 | 1951-01-23 | Gen Precision Lab Inc | Vertical synchronization pulse separation circuit |
| GB701985A (en) * | 1951-02-19 | 1954-01-06 | Standard Telephones Cables Ltd | Improvements in or relating to television receivers |
| US2645717A (en) * | 1951-08-18 | 1953-07-14 | Motorola Inc | Synchronization circuit |
| US2810783A (en) * | 1954-12-28 | 1957-10-22 | Gen Electric | Combined automatic gain control and synchronizing signal separation circuits |
-
0
- BE BE546952D patent/BE546952A/xx unknown
- US US25743D patent/USRE25743E/en not_active Expired
- NL NL206202D patent/NL206202A/xx unknown
-
1955
- 1955-04-12 US US500792A patent/US2898458A/en not_active Expired - Lifetime
-
1956
- 1956-03-31 DE DEH26677A patent/DE1038106B/de active Pending
- 1956-04-12 FR FR1149020D patent/FR1149020A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL206202A (da) | |
| DE1038106B (de) | 1958-09-04 |
| USRE25743E (en) | 1965-03-09 |
| FR1149020A (fr) | 1957-12-19 |
| US2898458A (en) | 1959-08-04 |