NL182822B - Preparatief elektroforese-apparaat. - Google Patents

Preparatief elektroforese-apparaat.

Info

Publication number
NL182822B
NL182822B NLAANVRAGE7605315,A NL182822DA NL182822B NL 182822 B NL182822 B NL 182822B NL 182822D A NL182822D A NL 182822DA NL 182822 B NL182822 B NL 182822B
Authority
NL
Netherlands
Prior art keywords
electrophone
preparative
preparative electrophone
electrophone device
Prior art date
Application number
NLAANVRAGE7605315,A
Other languages
English (en)
Dutch (nl)
Original Assignee
Roskam Willem Gerrit
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 NL182822B publication Critical patent/NL182822B/xx

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
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • 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
    • H03D13/005—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular
    • H03D13/006—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular and by sampling this signal by narrow pulses obtained from the second oscillation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/14—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of semiconductor devices having more than two electrodes
NLAANVRAGE7605315,A 1952-11-15 Preparatief elektroforese-apparaat. NL182822B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US320712A US2876382A (en) 1952-11-15 1952-11-15 Phase comparison

Publications (1)

Publication Number Publication Date
NL182822B true NL182822B (nl)

Family

ID=23247588

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7605315,A NL182822B (nl) 1952-11-15 Preparatief elektroforese-apparaat.

Country Status (9)

Country Link
US (1) US2876382A (xx)
JP (1) JPS308194B1 (xx)
CH (1) CH326806A (xx)
DE (1) DE941065C (xx)
DK (1) DK103573C (xx)
ES (1) ES212175A1 (xx)
FR (1) FR1088793A (xx)
GB (1) GB742829A (xx)
NL (1) NL182822B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190028B (de) * 1958-06-05 1965-04-01 Loewe Opta Ag Synchronisieranordnung fuer die Bild- oder Zeilenablenkung in Fernsehempfaengern
DE1093814B (de) * 1959-04-07 1960-12-01 Standard Elektrik Lorenz Ag Verfahren zur automatischen Kontrastregelung von Fernsehgeraeten
GB944161A (en) * 1959-04-09 1963-12-11 Rank Bush Murphy Ltd Improvements in or relating to oscillator synchronizing circuit arrangements
US3022461A (en) * 1959-07-20 1962-02-20 Ampex Frequency and/or phase demodulator
US3084276A (en) * 1960-01-18 1963-04-02 Texas Instruments Inc Transistorized dynamic focus circuit
US3199045A (en) * 1961-08-09 1965-08-03 Zenith Radio Corp Automatic frequency control system
US3183445A (en) * 1962-04-04 1965-05-11 Sigel David Phase comparator "and" gate
NL301214A (xx) * 1962-12-03
LU61620A1 (xx) * 1969-09-19 1970-12-01
US3863080A (en) * 1973-10-18 1975-01-28 Rca Corp Current output frequency and phase comparator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503700A (en) * 1947-09-30 1950-04-11 Rca Corp Phase detector
BE488563A (xx) * 1948-04-21
BE507048A (xx) * 1949-04-16
US2627039A (en) * 1950-05-29 1953-01-27 Bell Telephone Labor Inc Gating circuits
US2713665A (en) * 1950-11-09 1955-07-19 Bell Telephone Labor Inc Transistor modulator circuits
US2645717A (en) * 1951-08-18 1953-07-14 Motorola Inc Synchronization circuit
US2629834A (en) * 1951-09-15 1953-02-24 Bell Telephone Labor Inc Gate and trigger circuits employing transistors
BE521520A (xx) * 1952-07-18
US2657360A (en) * 1952-08-15 1953-10-27 Bell Telephone Labor Inc Four-electrode transistor modulator

Also Published As

Publication number Publication date
DE941065C (de) 1956-04-05
FR1088793A (fr) 1955-03-10
GB742829A (en) 1956-01-04
CH326806A (de) 1957-12-31
ES212175A1 (es) 1954-01-01
US2876382A (en) 1959-03-03
JPS308194B1 (xx) 1955-11-12
DK103573C (da) 1966-01-24

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