NL150323B - Zelfopenende en -sluitende paraplu. - Google Patents
Zelfopenende en -sluitende paraplu.Info
- Publication number
- NL150323B NL150323B NL707011602A NL150323DA NL150323B NL 150323 B NL150323 B NL 150323B NL 707011602 A NL707011602 A NL 707011602A NL 150323D A NL150323D A NL 150323DA NL 150323 B NL150323 B NL 150323B
- Authority
- NL
- Netherlands
- Prior art keywords
- self
- opening
- closing umbrella
- umbrella
- closing
- 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
- H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL139952A NL94706C (nl) | 1948-04-15 | 1948-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL150323B true NL150323B (nl) |
Family
ID=41259905
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL707011602A NL150323B (nl) | 1948-04-15 | Zelfopenende en -sluitende paraplu. | |
NL139952A NL94706C (nl) | 1948-04-15 | 1948-04-15 | |
NL150323A NL102007C (nl) | 1948-04-15 | 1949-12-07 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL139952A NL94706C (nl) | 1948-04-15 | 1948-04-15 | |
NL150323A NL102007C (nl) | 1948-04-15 | 1949-12-07 |
Country Status (7)
Country | Link |
---|---|
US (2) | US2624006A (nl) |
BE (2) | BE488474A (nl) |
CH (2) | CH277172A (nl) |
DE (2) | DE807826C (nl) |
FR (2) | FR1074502A (nl) |
GB (2) | GB677730A (nl) |
NL (3) | NL94706C (nl) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE523337A (nl) * | 1950-03-19 | |||
US2729745A (en) * | 1951-06-05 | 1956-01-03 | Sperry Rand Corp | Sweep arrangements for servo systems |
US2742591A (en) * | 1952-07-18 | 1956-04-17 | Samuel A Procter | Television sweep circuit |
GB742656A (en) * | 1953-01-08 | 1955-12-30 | Marconi Wireless Telegraph Co | Improvements in or relating to variable frequency oscillators |
US2908868A (en) * | 1953-06-17 | 1959-10-13 | Garold K Jensen | Electrical frequency selective circuit |
US2868973A (en) * | 1953-06-17 | 1959-01-13 | Garold K Jensen | Decade frequency generator |
US2930892A (en) * | 1954-03-26 | 1960-03-29 | Sperry Rand Corp | Demodulator for a phase or frequency modulated signal |
US2811642A (en) * | 1954-05-14 | 1957-10-29 | Cgs Lab Inc | Stabilized oscillator circuit |
NL197223A (nl) * | 1954-05-14 | |||
US2871349A (en) * | 1954-07-14 | 1959-01-27 | Jonas M Shapiro | Discriminator circuit |
US2863067A (en) * | 1954-08-24 | 1958-12-02 | Thompson Prod Inc | Alternated control system with temperature compensated frequency discriminator |
US3101448A (en) * | 1954-12-23 | 1963-08-20 | Gen Electric | Synchronous detector system |
US2877379A (en) * | 1954-12-24 | 1959-03-10 | Sylvania Electric Prod | Automatic frequency control apparatus |
NL210904A (nl) * | 1955-09-29 | |||
US2837646A (en) * | 1955-10-24 | 1958-06-03 | Hughes Aircraft Co | Coherent detector circuit |
DE1132184B (de) * | 1958-07-22 | 1962-06-28 | Siemens Elektrogeraete Gmbh | Schaltungsanordnung zur automatischen Nachregelung der Eigenfrequenz synchronisierter Generatoren |
DE1093814B (de) * | 1959-04-07 | 1960-12-01 | Standard Elektrik Lorenz Ag | Verfahren zur automatischen Kontrastregelung von Fernsehgeraeten |
US3209271A (en) * | 1961-08-17 | 1965-09-28 | Radiation Inc | Phase-locked loops |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2096881A (en) * | 1936-06-09 | 1937-10-26 | Wired Radio Inc | Electronic synchronizing system |
US2312079A (en) * | 1940-09-06 | 1943-02-23 | Rca Corp | Frequency control |
US2332540A (en) * | 1941-02-27 | 1943-10-26 | Philco Radio & Television Corp | Method and apparatus for receiving frequency modulated waves |
US2341649A (en) * | 1941-05-23 | 1944-02-15 | Rca Corp | Frequency control |
FR957645A (nl) * | 1942-11-03 | 1950-02-23 | ||
US2406125A (en) * | 1943-12-17 | 1946-08-20 | Hartford Nat Bank & Trust Co | Frequency stabilizing system |
US2437609A (en) * | 1946-08-07 | 1948-03-09 | Farnsworth Res Corp | Frequency comparison apparatus |
-
0
- NL NL707011602A patent/NL150323B/nl unknown
-
1948
- 1948-04-15 NL NL139952A patent/NL94706C/xx active
-
1949
- 1949-02-11 US US75804A patent/US2624006A/en not_active Expired - Lifetime
- 1949-03-19 DE DEP37236A patent/DE807826C/de not_active Expired
- 1949-04-12 GB GB9846/49A patent/GB677730A/en not_active Expired
- 1949-04-13 CH CH277172D patent/CH277172A/de unknown
- 1949-04-13 FR FR1074502D patent/FR1074502A/fr not_active Expired
- 1949-04-13 BE BE488474D patent/BE488474A/xx unknown
- 1949-12-07 NL NL150323A patent/NL102007C/xx active
-
1950
- 1950-11-02 US US193603A patent/US2623177A/en not_active Expired - Lifetime
- 1950-12-03 DE DEN3213A patent/DE839815C/de not_active Expired
- 1950-12-04 GB GB29616/50A patent/GB677963A/en not_active Expired
- 1950-12-05 CH CH287782D patent/CH287782A/de unknown
- 1950-12-05 BE BE499825D patent/BE499825A/xx unknown
- 1950-12-05 FR FR61108D patent/FR61108E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL102007C (nl) | 1961-09-15 |
BE499825A (nl) | 1952-06-05 |
US2623177A (en) | 1952-12-23 |
GB677963A (en) | 1952-08-27 |
US2624006A (en) | 1952-12-30 |
GB677730A (en) | 1952-08-20 |
NL94706C (nl) | 1959-08-15 |
CH287782A (de) | 1952-12-15 |
CH277172A (de) | 1951-08-15 |
FR1074502A (fr) | 1954-10-06 |
DE807826C (de) | 1951-07-05 |
FR61108E (fr) | 1955-03-23 |
BE488474A (nl) | 1949-10-13 |
DE839815C (de) | 1952-05-26 |
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