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
Application number
NL707011602A
Other languages
English (en)
Original Assignee
Ideal Kk
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.)
Publication of NL150323B publication Critical patent/NL150323B/nl

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
NL707011602A 1948-04-15 Zelfopenende en -sluitende paraplu. NL150323B (nl)

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)

* Cited by examiner, † Cited by third party
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
US2868973A (en) * 1953-06-17 1959-01-13 Garold K Jensen Decade frequency generator
US2908868A (en) * 1953-06-17 1959-10-13 Garold K Jensen Electrical frequency selective circuit
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
NL112775C (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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US2623177A (en) 1952-12-23
NL94706C (nl) 1959-08-15
FR1074502A (fr) 1954-10-06
FR61108E (fr) 1955-03-23
BE488474A (nl) 1949-10-13
DE807826C (de) 1951-07-05
NL102007C (nl) 1961-09-15
GB677730A (en) 1952-08-20
US2624006A (en) 1952-12-30
DE839815C (de) 1952-05-26
CH277172A (de) 1951-08-15
CH287782A (de) 1952-12-15
GB677963A (en) 1952-08-27
BE499825A (nl) 1952-06-05

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