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Class Information
Number: 334/1
Name: Tuners > Combined diverse-type tuners
Description: Subject matter wherein the tuning unit consists of two or more tuners of different types connected together either mechanically and/or electrically to form a single unitary tuner.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7196738 |
Tuner integrated circuit and television tuner using the same circuit |
Mar. 27, 2007 |
| 6593835 |
Multiple-tuning circuit of tuner preventing selection characteristic deterioration |
Jul. 15, 2003 |
| 6594477 |
Electronic tuner |
Jul. 15, 2003 |
| 6486757 |
Double-tuned circuit of tuner featuring restrained degradation of selectivity |
Nov. 26, 2002 |
| 6456174 |
Tuning circuit |
Sep. 24, 2002 |
| 6125269 |
TV FM receiver for multimedia applications |
Sep. 26, 2000 |
| 5511012 |
Apparatus comprising a circuit having an input/output response controllable by a control signal, and approximation method |
Apr. 23, 1996 |
| 5214399 |
Circuit configuration for range changing in tuners |
May. 25, 1993 |
| 5204645 |
Circuit configuration for range switching in tuners |
Apr. 20, 1993 |
| 4607391 |
VHF/UHF band switching tuner including a second diode in band switch loop |
Aug. 19, 1986 |
| 4590612 |
Electronic tuner having selectable band sections appropriately biased to mixer/amplifier |
May. 20, 1986 |
| 4577171 |
Input circuit comprising at least two input paths |
Mar. 18, 1986 |
| 4291290 |
UHF-VHF tuner having damping means to reduce interference in UHF band |
Sep. 22, 1981 |
| 4207549 |
VHF Television tuner circuit with supression of undesired signals |
Jun. 10, 1980 |
| 4200850 |
Combination VHF and UHF tuner arrangement |
Apr. 29, 1980 |
| 4150347 |
Dual band pushbutton electronic tuning system |
Apr. 17, 1979 |
| 4128820 |
Combination VHF and UHF tuner arrangement |
Dec. 5, 1978 |
| 4118679 |
VHF, UHF and superband tuner with automatic switching |
Oct. 3, 1978 |
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