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Class Information
Number: 333/155
Name: Wave transmission lines and networks > Coupling networks > Delay lines including elastic surface wave propagation means > Temperature stabilization or compensation
Description: Subject matter wherein the materials or structural elements included in the delay lines reduce the delay time variations caused by ambient temperature change.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8614634 8b/9b encoding for reducing crosstalk on a high speed parallel bus Dec. 24, 2013
8264303 Composite substrate and elastic wave device using the same Sep. 11, 2012
7606294 Channel quality estimation method and receiving apparatus Oct. 20, 2009
7469017 Multimodulation transmitter Dec. 23, 2008
7463672 Technique for adaptive multiuser equalization in code division multiple access systems Dec. 9, 2008
7372897 Portable information communication terminal, program, and recording medium May. 13, 2008
7352800 Method of partial parallel interference cancellation Apr. 1, 2008
7248635 Method and apparatus for communicating computer data from one point to another over a communications medium Jul. 24, 2007
7042131 Surface acoustic wave device May. 9, 2006
6815867 Substrate usable for an acoustic surface wave device, a method for fabricating the same substrate and an acoustic surface wave device having the same substrate Nov. 9, 2004
6452464 Backgate heterojunction acoustic charge transport device Sep. 17, 2002
6229409 Surface acoustic wave matched filter May. 8, 2001
6049155 Thermally tunable surface acoustic wave devices Apr. 11, 2000
5432392 Surface wave device Jul. 11, 1995
5410742 SAW electric part and frequency conversion circuit Apr. 25, 1995
5294859 Surface acoustic wave filter device Mar. 15, 1994
5084646 Electric/acoustic transducers and acoustic/electric transducers for a surface wave device with reduced diffraction and a corresponding surface wave device Jan. 28, 1992
5068893 Television signal processing network for subscription television jamming signals Nov. 26, 1991
4862110 Oscillator, in particular a surface acoustic wave oscillator, frequency controlled by controlling its temperature Aug. 29, 1989
4752709 Surface acoustic wave device Jun. 21, 1988
4705979 Stress and temperature compensated surface acoustic wave devices Nov. 10, 1987
4661738 Compensation techniques for temperature effects and non-uniform amplitude distributions in saw devices Apr. 28, 1987
4644297 Frequency locked loop for the temperature compensation of phase coded surface acoustic wave devices Feb. 17, 1987
4639697 Temperature compensation circuitry Jan. 27, 1987
4516049 Multi-layer acoustic surface wave device having minimal delay time temperature coefficient May. 7, 1985
4511816 Surface acoustic wave device using an elastic substrate and an aluminum nitride piezoelectric film Apr. 16, 1985
4491931 Elastic wave processing system invariant with the temperature Jan. 1, 1985
4489289 Saw oscillator with digital compensation for temperature related frequency changes Dec. 18, 1984
4489250 Temperature compensated surface acoustic wave device Dec. 18, 1984
4484098 Environmentally stable lithium niobate acoustic wave devices Nov. 20, 1984
4462011 Low drift relative phase sensor employing surface acoustic waves Jul. 24, 1984
4434383 Temperature stable surface acoustic wave device Feb. 28, 1984
4409570 Separated substrate acoustic wave device Oct. 11, 1983
4398117 Bellows support for surface acoustic wave device Aug. 9, 1983
4381469 Temperature stable piezoelectric device Apr. 26, 1983
4358745 Semiconductor surface acoustic wave device Nov. 9, 1982
4349794 Shallow bulk acoustic wave devices Sep. 14, 1982
4342012 Surface acoustic wave device Jul. 27, 1982
4327340 Surface wave resonator cascade Apr. 27, 1982
4325038 SAW Resonator filters with improved temperature stability Apr. 13, 1982
4323809 Surface acoustic wave substrate having orthogonal temperature compensated propagation directions and device applications Apr. 6, 1982
4272742 Acoustic wave devices with temperature stabilization Jun. 9, 1981
4270105 Stabilized surface wave device May. 26, 1981
4247835 Surface acoustic wave devices Jan. 27, 1981
4245201 Elastic surface wave device Jan. 13, 1981
4213104 Vacuum encapsulation for surface acoustic wave (SAW) devices Jul. 15, 1980
4193045 Temperature compensated surface acoustic wave oscillators Mar. 11, 1980
4191934 High efficiency wide band surface acoustic wave coupler processors Mar. 4, 1980
4166228 Temperature compensated reflective array for surface acoustic wave processing Aug. 28, 1979
4110653 Method of modifying the temperature drift of the propagation time of surface elastic waves and a device obtained by said method Aug. 29, 1978

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