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Class Information
Number: 968/824
Name: Horology > Apparatus for producing preselected time intervals for use as timing standards (generating clock signals for electric digital computers g06f 1/04; regulating frequency in general h03c, l) [g04f 5/00] > Using oscillators with electromechanical resonators (producing electric oscillations or timing pulses [g04f 5/04] > Using piezoelectric resonators [g04f 5/06] > Constructional details (details of resonators in general h03h 9/02) [g043f 5/06b]
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4873465 |
2T-cut piezoelectric resonator using coupled contour modes |
Oct. 10, 1989 |
| 4788096 |
Devices for making piezoelectric ceramic or ceramic-base composite sensors |
Nov. 29, 1988 |
| 4771202 |
Tuning fork resonator |
Sep. 13, 1988 |
| 4652787 |
Piezoelectric oscillator |
Mar. 24, 1987 |
| 4618798 |
Resonator vibrating in a thickness-shear mode |
Oct. 21, 1986 |
| 4611871 |
Shock mount |
Sep. 16, 1986 |
| 4464599 |
Piezoelectric resonator with integrated capacitances |
Aug. 7, 1984 |
| 4451754 |
High frequency piezoelectric resonator |
May. 29, 1984 |
| 4450378 |
ZT-Cut piezo-electric resonator |
May. 22, 1984 |
| 4450377 |
Integrated circuit with piezoelectric resonator mounted on blocks comprising capacitors |
May. 22, 1984 |
| 4447753 |
Miniature GT-cut quartz resonator |
May. 8, 1984 |
| 4418299 |
Face-shear mode quartz crystal vibrators and method of manufacture |
Nov. 29, 1983 |
| 4362961 |
Encapsulated piezoelectric resonator device |
Dec. 7, 1982 |
| 4356425 |
Electrode for tuning fork type quartz crystal vibrator |
Oct. 26, 1982 |
| 4355257 |
Thickness shear type piezoelectric vibrator with integral mounting |
Oct. 19, 1982 |
| 4350918 |
Contour vibration mode piezoelectric resonator |
Sep. 21, 1982 |
| 4349763 |
Tuning fork type quartz resonator |
Sep. 14, 1982 |
| 4340835 |
Piezoelectrically driven tuning fork with integral damper member |
Jul. 20, 1982 |
| 4306170 |
AT-Cut quartz resonator, with w/t=2.0 to 2.8, l/t<25 |
Dec. 15, 1981 |
| 4297610 |
Small piezoelectric tuning fork |
Oct. 27, 1981 |
| 4293986 |
Method of making a quartz crystal oscillator |
Oct. 13, 1981 |
| 4288284 |
Method of producing housing element for quartz crystal oscillator |
Sep. 8, 1981 |
| 4267479 |
Mounting clips for thickness shear piezoelectric oscillator |
May. 12, 1981 |
| 4266156 |
Subminiature piezoelectric quartz vibrator |
May. 5, 1981 |
| 4252839 |
Tuning fork-type quartz crystal vibrator and method of forming the same |
Feb. 24, 1981 |
| 4253036 |
Subminiature tuning fork quartz crystal vibrator with nicrome and palladium electrode layers |
Feb. 24, 1981 |
| 4245173 |
Beveled, coupled mode piezo-electric resonator |
Jan. 13, 1981 |
| 4234811 |
Supporting structure for a thickness-shear type crystal oscillator for watches |
Nov. 18, 1980 |
| 4219754 |
Temperature compensation by positioning of plural piezoelectric vibrators in an electronic wristwatch |
Aug. 26, 1980 |
| 4219756 |
Mounting structure of a quartz crystal unit |
Aug. 26, 1980 |
| 4216402 |
Sealed piezoelectric resonator with integral mounting frame |
Aug. 5, 1980 |
| 4178566 |
Quartz crystal tuning fork vibrator for a crystal oscillator |
Dec. 11, 1979 |
| 4167686 |
Miniaturized at-cut piezoelectric crystal resonator |
Sep. 11, 1979 |
| 4160928 |
Case assembly for piezoelectric resonator |
Jul. 10, 1979 |
| 4148183 |
Supporting structure for quartz oscillator |
Apr. 10, 1979 |
| 4139793 |
Integral resonant support arms for piezoelectric microresonators |
Feb. 13, 1979 |
| 4131816 |
Mechanism and method for supporting a tuning fork-type quartz crystal element |
Dec. 26, 1978 |
| 4126802 |
Torsional mode CT or DT cut quartz resonator |
Nov. 21, 1978 |
| 4124809 |
Quartz crystal resonator |
Nov. 7, 1978 |
| RE29763 |
Crystal vibrator mounting |
Sep. 12, 1978 |
| 4110655 |
Piezo electric vibrator unit sealed with 90Sn-10Au solder |
Aug. 29, 1978 |
| 4104553 |
Fastening and suspension element for a piezoelectric resonator |
Aug. 1, 1978 |
| 4103482 |
Wristwatch having a liquid crystal display |
Aug. 1, 1978 |
| 4080696 |
Method of making piezoelectric vibrator |
Mar. 28, 1978 |
| 4076987 |
Multiple resonator or filter vibrating in a coupled mode |
Feb. 28, 1978 |
| 4071797 |
Quartz piezo-electric element vibrating in a coupled mode |
Jan. 31, 1978 |
| 4070502 |
Method of treating piezoelectric resonators |
Jan. 24, 1978 |
| 4065684 |
Piezoelectric resonator for timepieces and method for making same |
Dec. 27, 1977 |
| RE29429 |
Oscillator for a timepiece |
Oct. 4, 1977 |
| 4050126 |
Method for adjusting frequency-temperature characteristic of GT cut quartz oscillator |
Sep. 27, 1977 |
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