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Piedek Technical Laboratory patents


Recent patent applications related to Piedek Technical Laboratory. Piedek Technical Laboratory is listed as an Agent/Assignee. Note: Piedek Technical Laboratory may have other listings under different names/spellings. We're not affiliated with Piedek Technical Laboratory, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Piedek Technical Laboratory-related inventors


Quartz crystal unit, quartz crystal oscillator and electronic apparatus

In a quartz crystal unit, the unit comprising a quartz crystal tuning fork resonator having a quartz crystal tuning fork base, and first and second quartz crystal tuning fork tines, each of the first and second quartz crystal tuning fork tines having a first vibrational portion including a first width and a second vibrational portion including a second width greater than the first width, at least one groove being formed in at least one of opposite main surfaces of the first vibrational portion of each quartz crystal tuning fork tine, the first width of the first vibrational portion of each quartz crystal tuning fork tine being greater than 0.03 mm and less than 0.075 mm and the second width of the second vibrational portion of each quartz crystal tuning fork tine being greater than 0.04 mm and less than 0.23 mm.. . ... Piedek Technical Laboratory

Unit, oscillator and electronic apparatus

A unit comprising a quartz crystal resonator having an overall length less than 2.1 mm and a base portion including a length less than 0.5 mm and a width less than 0.55 mm, and vibrational arms, mounting arms being connected to the base portion through connecting portions, each vibrational arm having a first vibrational portion including a first width and a first length within a range of 0.32 mm to 0.72 mm and a second vibrational portion including a second width greater than the first width and a second length less than the first length, a groove being formed in at least one of opposite main surfaces of the first vibrational portions of the vibrational arms, a width of the groove being less than 0.07 mm and a distance in the width direction of the groove measured from an outer edge of the groove to an outer edge of the corresponding arm being less than 0.015 mm, a width of the mounting arms being less than 0.45 mm and a width of the connecting portions being less than 0.41 mm, the second width being greater than a spaced-apart distance between the second vibrational portions.. . ... Piedek Technical Laboratory








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