HK31977A - Improvements in or relating to crystal mounting assemblie - Google Patents
Improvements in or relating to crystal mounting assemblieInfo
- Publication number
- HK31977A HK31977A HK31977A HK31977A HK31977A HK 31977 A HK31977 A HK 31977A HK 31977 A HK31977 A HK 31977A HK 31977 A HK31977 A HK 31977A HK 31977 A HK31977 A HK 31977A
- Authority
- HK
- Hong Kong
- Prior art keywords
- assemblie
- relating
- crystal mounting
- crystal
- mounting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/09—Elastic or damping supports
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00325996A US3805098A (en) | 1971-12-02 | 1973-01-23 | Quartz-crystal mounting assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
HK31977A true HK31977A (en) | 1977-06-30 |
Family
ID=23270376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK31977A HK31977A (en) | 1973-01-23 | 1977-06-23 | Improvements in or relating to crystal mounting assemblie |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA975871A (enrdf_load_stackoverflow) |
ES (1) | ES415344A1 (enrdf_load_stackoverflow) |
HK (1) | HK31977A (enrdf_load_stackoverflow) |
IT (1) | IT1048109B (enrdf_load_stackoverflow) |
NL (1) | NL7307698A (enrdf_load_stackoverflow) |
-
1973
- 1973-05-29 ES ES415344A patent/ES415344A1/es not_active Expired
- 1973-06-01 IT IT2495373A patent/IT1048109B/it active
- 1973-06-01 CA CA173,013A patent/CA975871A/en not_active Expired
- 1973-06-01 NL NL7307698A patent/NL7307698A/xx not_active Application Discontinuation
-
1977
- 1977-06-23 HK HK31977A patent/HK31977A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA975871A (en) | 1975-10-07 |
ES415344A1 (es) | 1976-06-01 |
IT1048109B (it) | 1980-11-20 |
NL7307698A (enrdf_load_stackoverflow) | 1974-07-25 |
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