NL79212C - - Google Patents
Info
- Publication number
- NL79212C NL79212C NL79212DA NL79212C NL 79212 C NL79212 C NL 79212C NL 79212D A NL79212D A NL 79212DA NL 79212 C NL79212 C NL 79212C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/12—Variable inductances or transformers of the signal type discontinuously variable, e.g. tapped
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/02—Lecher resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/003—One-port networks comprising only passive electrical elements as network components comprising distributed impedance elements together with lumped impedance elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/26—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
- H03J5/28—Tuning circuits or elements supported on a revolving member with contacts arranged in a plane perpendicular to the axis
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US673278A US2551228A (en) | 1946-05-31 | 1946-05-31 | Tuning means for resonant transmission lines |
Publications (1)
Publication Number | Publication Date |
---|---|
NL79212C true NL79212C (xx) |
Family
ID=24701989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL79212D NL79212C (xx) | 1946-05-31 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2551228A (xx) |
BE (1) | BE473384A (xx) |
FR (1) | FR946946A (xx) |
GB (1) | GB637116A (xx) |
NL (1) | NL79212C (xx) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2734175A (en) * | 1956-02-07 | Wasmansdorff | ||
US2735015A (en) * | 1956-02-14 | Separator | ||
US2693581A (en) * | 1947-09-19 | 1954-11-02 | Oak Mfg Co | High-frequency tuner |
US2740042A (en) * | 1949-03-08 | 1956-03-27 | Standard Coil Prod Co Inc | Tunable amplifier and converter unit for radio apparatus |
DE904666C (de) * | 1950-06-16 | 1954-02-22 | Blaupunkt Werke Gmbh | Umschaltbarer UKW-Schwingkreis |
US2748286A (en) * | 1951-06-29 | 1956-05-29 | Avco Mfg Corp | Combined very-high-frequency and ultra-high-frequency tuner for television receiver |
US2694150A (en) * | 1951-06-29 | 1954-11-09 | Avco Mfg Corp | Combined very-high-frequency and ultra-high-frequency tuner for television receivers |
US2772355A (en) * | 1951-07-05 | 1956-11-27 | Polytechnic Res & Dev Co Inc | Wide range tuner |
US2843828A (en) * | 1951-10-18 | 1958-07-15 | Avco Mfg Corp | Ultra-high-frequency converter for very-high-frequency television receiver |
US2854578A (en) * | 1951-10-18 | 1958-09-30 | Avco Mfg Corp | Oscillator |
US2765447A (en) * | 1951-11-06 | 1956-10-02 | Du Mont Allen B Lab Inc | Tuning device |
US2791124A (en) * | 1951-12-13 | 1957-05-07 | Standard Coil Prod Co Inc | Fine tuning unit |
US2695963A (en) * | 1951-12-13 | 1954-11-30 | Standard Coil Prod Co Inc | Fine tuner |
US2665377A (en) * | 1951-12-20 | 1954-01-05 | Sarkes Tarzian | Universal tuning system for television receivers |
US2839936A (en) * | 1952-02-27 | 1958-06-24 | Rca Corp | Uni-control tuning mechanism for multi-band signal receivers and the like |
US2755386A (en) * | 1952-04-09 | 1956-07-17 | Standard Coil Prod Co Inc | Tuner shield |
US2698388A (en) * | 1952-06-13 | 1954-12-28 | John M Cage | Television channel selector |
NL173058B (nl) * | 1952-10-10 | Sir Soc Italiana Resine Spa | Werkwijze voor het stabiliseren van polyacetalen en gevormde voortbrengselen, vervaardigd onder toepassing van de aldus gestabiliseerde polyacetalen. | |
US2787713A (en) * | 1952-11-20 | 1957-04-02 | Mallory & Co Inc P R | Television tuner |
US2811637A (en) * | 1953-05-26 | 1957-10-29 | Standard Coil Prod Co Inc | Ultra high frequency turret tuner with uniform band spread on all bands |
US2997579A (en) * | 1953-05-27 | 1961-08-22 | Rca Corp | Tunable oscillator circuit |
US2789212A (en) * | 1953-06-12 | 1957-04-16 | Rca Corp | Two-band tuner with stator carried coil inductors and rotor carried strip inductor |
US2801377A (en) * | 1954-03-09 | 1957-07-30 | Oak Mfg Co | Vernier condenser |
US2859419A (en) * | 1955-01-03 | 1958-11-04 | White Rodgers Company | All channel television tuner |
US2835818A (en) * | 1955-01-10 | 1958-05-20 | Oak Mfg Co | Television tuner |
US2898563A (en) * | 1955-01-24 | 1959-08-04 | Cola Rinaldo E De | Turret tuner with peripherally extending contact carrying straps forming part of tuned circuit |
US2922881A (en) * | 1955-04-18 | 1960-01-26 | Standard Coil Prod Co Inc | Manual control having rotatable and tiltable stepped cam for television tuner |
US2868985A (en) * | 1955-08-15 | 1959-01-13 | Admiral Corp | Dual disc turret tuner with chassis centrally disposed between discs |
US2870381A (en) * | 1956-04-30 | 1959-01-20 | Instr For Industry Inc | Micro-wave transmission networks |
US2920197A (en) * | 1956-08-22 | 1960-01-05 | Motorola Inc | Wave signal tuner with removable switch wafers |
US2918637A (en) * | 1957-04-05 | 1959-12-22 | John S Prichard | Step-varied r-f tuner |
US2949522A (en) * | 1957-05-31 | 1960-08-16 | Globe Union Inc | Electrical component |
US2978651A (en) * | 1957-12-30 | 1961-04-04 | Sarkes Tarzian | Vernier tuning circuit for high frequency tuner |
US2954469A (en) * | 1958-12-22 | 1960-09-27 | Oak Mfg Co | Switch type television tuner with stamped tuning element mounted on stationary contacts |
US3069638A (en) * | 1959-07-03 | 1962-12-18 | Motorola Inc | Tuning apparatus having common vernier reactance |
US3183464A (en) * | 1959-12-21 | 1965-05-11 | Sony Corp | Tuner device for a radio or television receiving apparatus |
US3234801A (en) * | 1960-10-20 | 1966-02-15 | Sarkes Tarzian | Tuner |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2088580A (en) * | 1933-01-06 | 1937-08-03 | Submarine Signal Co | Electrical compensator |
US2113758A (en) * | 1934-10-05 | 1938-04-12 | Philips Nv | Tuning device for lecher-wire systems |
US2206010A (en) * | 1937-07-28 | 1940-07-02 | Nat Television Corp | Receiving apparatus |
FR855735A (xx) * | 1938-06-04 | 1940-05-18 | ||
US2263376A (en) * | 1938-06-28 | 1941-11-18 | Emi Ltd | Electric wave filter or the like |
US2332868A (en) * | 1939-09-30 | 1943-10-26 | Nowak Alfred | High frequency variable inductance |
US2262365A (en) * | 1939-10-03 | 1941-11-11 | Westinghouse Electric & Mfg Co | Ultra-high-frequency tank circuit |
US2259292A (en) * | 1939-11-17 | 1941-10-14 | Rca Corp | Ultra short wave apparatus |
US2315159A (en) * | 1941-04-02 | 1943-03-30 | Mark T Moore | Automatic inductive reactance for welding circuits |
US2416827A (en) * | 1943-06-09 | 1947-03-04 | Rca Corp | Transmission line having dead-end portion |
US2463417A (en) * | 1945-08-08 | 1949-03-01 | Horace E Overacker | Tunable circuit |
-
0
- NL NL79212D patent/NL79212C/xx active
- BE BE473384D patent/BE473384A/xx unknown
-
1946
- 1946-05-31 US US673278A patent/US2551228A/en not_active Expired - Lifetime
-
1947
- 1947-05-20 FR FR946946D patent/FR946946A/fr not_active Expired
- 1947-06-02 GB GB14516/47A patent/GB637116A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE473384A (xx) | |
FR946946A (fr) | 1949-06-17 |
GB637116A (en) | 1950-05-10 |
US2551228A (en) | 1951-05-01 |