NL142555B - Magnetische registratie- en weergeefinrichting met een correctie van de amplitudefrequentie weergeefkarakteristiek. - Google Patents
Magnetische registratie- en weergeefinrichting met een correctie van de amplitudefrequentie weergeefkarakteristiek.Info
- Publication number
- NL142555B NL142555B NL666603192A NL142555DA NL142555B NL 142555 B NL142555 B NL 142555B NL 666603192 A NL666603192 A NL 666603192A NL 142555D A NL142555D A NL 142555DA NL 142555 B NL142555 B NL 142555B
- Authority
- NL
- Netherlands
- Prior art keywords
- correction
- magnetic recording
- display device
- amplitude frequency
- display characteristics
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB267826X | 1948-09-27 | ||
US5234248A | 1948-10-01 | 1948-10-01 | |
US142424A US2691095A (en) | 1948-09-27 | 1950-02-04 | Circuit arrangement for phase or frequency modulated oscillations |
US154087A US2691139A (en) | 1948-09-27 | 1950-04-05 | Circuit arrangement for phase or frequency modulated oscillations |
Publications (1)
Publication Number | Publication Date |
---|---|
NL142555B true NL142555B (nl) |
Family
ID=32303576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL666603192A NL142555B (nl) | 1948-09-27 | Magnetische registratie- en weergeefinrichting met een correctie van de amplitudefrequentie weergeefkarakteristiek. |
Country Status (7)
Country | Link |
---|---|
US (2) | US2691095A (ru) |
BE (2) | BE485082A (ru) |
CH (2) | CH267826A (ru) |
DE (2) | DE827508C (ru) |
FR (1) | FR972594A (ru) |
GB (2) | GB663619A (ru) |
NL (1) | NL142555B (ru) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE931665C (de) * | 1952-01-30 | 1955-08-16 | Telefunken Gmbh | Schaltung zur Frequenzmodulation eines Hochfrequenzgenerators |
DE956522C (de) * | 1954-02-02 | 1957-01-17 | Lorenz C Ag | Frequenzmodulationssystem mit selbsterregter Stufe grosser Leistung |
SE343734B (ru) * | 1970-07-10 | 1972-03-13 | Ericsson Telefon Ab L M |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2227596A (en) * | 1938-03-31 | 1941-01-07 | Rca Corp | Signaling system |
US2201978A (en) * | 1938-10-26 | 1940-05-28 | Rca Corp | Frequency control circuits |
US2209507A (en) * | 1939-02-15 | 1940-07-30 | Du Mont Allen B Lab Inc | Synchronizing generator |
US2401007A (en) * | 1942-03-03 | 1946-05-28 | Hazeltine Research Inc | Phase-modulation system |
US2394393A (en) * | 1943-05-26 | 1946-02-05 | Gen Electric | Frequency modulation transmitter |
US2400648A (en) * | 1943-06-30 | 1946-05-21 | Rca Corp | Timing modulation |
BE469203A (ru) * | 1945-09-20 | |||
AT168033B (de) * | 1947-09-30 | 1951-04-10 | Philips Nv | Schaltung zur Erzeugung phasen- oder frequenzmodulierter Schwingungen |
US2595608A (en) * | 1948-12-30 | 1952-05-06 | Rca Corp | Automatically tuned wide range receiver and transmitter |
-
0
- FR FR972594D patent/FR972594A/fr not_active Expired
- NL NL666603192A patent/NL142555B/xx unknown
- BE BE267826D patent/BE267826A/xx unknown
- BE BE485082D patent/BE485082A/xx unknown
-
1947
- 1947-09-30 GB GB26414/47A patent/GB663619A/en not_active Expired
-
1948
- 1948-09-27 GB GB25143/48A patent/GB652717A/en not_active Expired
- 1948-09-30 CH CH267826D patent/CH267826A/de unknown
- 1948-09-30 CH CH271266D patent/CH271266A/de unknown
- 1948-12-25 DE DEP26839D patent/DE827508C/de not_active Expired
-
1950
- 1950-02-04 US US142424A patent/US2691095A/en not_active Expired - Lifetime
- 1950-03-02 DE DEN570A patent/DE811966C/de not_active Expired
- 1950-04-05 US US154087A patent/US2691139A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE267826A (ru) | |
BE485082A (ru) | |
CH267826A (de) | 1950-04-15 |
DE811966C (de) | 1951-08-27 |
GB663619A (en) | 1951-12-27 |
US2691139A (en) | 1954-10-05 |
CH271266A (de) | 1950-10-15 |
DE827508C (de) | 1952-01-10 |
US2691095A (en) | 1954-10-05 |
GB652717A (en) | 1951-05-02 |
FR972594A (ru) | 1951-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR992048A (fr) | Amplificateur électronique | |
NL171847B (nl) | Geluidsopneem- en weergeefapparaat. | |
FR984126A (fr) | Amplificateur magnétique | |
FR985357A (fr) | Haut-parleur | |
NL142555B (nl) | Magnetische registratie- en weergeefinrichting met een correctie van de amplitudefrequentie weergeefkarakteristiek. | |
AT168868B (de) | Kombinierter Nadelton- und Magnettonplattenspieler | |
FR993223A (fr) | Perfectionnement apporté aux polissoirs et similaires | |
CA448048A (en) | Toy or display device | |
FR976213A (fr) | Enregistreur magnétique | |
CA452590A (en) | Ointments and the like | |
FR946845A (fr) | Perfectionnement aux appareils enregistreurs magnétiques | |
CA447447A (en) | Assembly track and assorter | |
CA449682A (en) | Amplitude modulation | |
CA16270S (en) | Combination record player and radio | |
FR1008623A (fr) | Perfectionnements aux haut-parleurs | |
FR967925A (fr) | Jante | |
DK75792C (da) | Lydoptagelsesapparat. | |
CH278330A (de) | Kombiniertes Nadelton- und Magnetton-Plattenspielgerät. | |
CA447459A (en) | Sound pick-up device | |
CA453731A (en) | Apparatus for reproducing characters and the like | |
CA439703A (en) | Sound reproducing and amplifying device | |
FR980153A (fr) | Enregistreur magnétique | |
CA429703A (en) | Sound recording and reproducing device | |
AU142206B2 (en) | Indicating instruments having maximum and minimum indicating members | |
CA452415A (en) | Magnetic recorder |