IT971402B - Gruppo di supporto per cristalli - Google Patents
Gruppo di supporto per cristalliInfo
- Publication number
- IT971402B IT971402B IT32321/72A IT3232172A IT971402B IT 971402 B IT971402 B IT 971402B IT 32321/72 A IT32321/72 A IT 32321/72A IT 3232172 A IT3232172 A IT 3232172A IT 971402 B IT971402 B IT 971402B
- Authority
- IT
- Italy
- Prior art keywords
- crystals
- support group
- group
- support
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; 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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; 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)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20417771A | 1971-12-02 | 1971-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT971402B true IT971402B (it) | 1974-04-30 |
Family
ID=22756942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT32321/72A IT971402B (it) | 1971-12-02 | 1972-11-30 | Gruppo di supporto per cristalli |
Country Status (8)
Country | Link |
---|---|
US (1) | US3754153A (it) |
JP (1) | JPS5336062Y2 (it) |
CA (1) | CA968069A (it) |
CH (1) | CH552847A (it) |
FR (1) | FR2170415A5 (it) |
GB (1) | GB1415337A (it) |
HK (1) | HK56576A (it) |
IT (1) | IT971402B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH414272A4 (it) * | 1972-03-21 | 1974-05-31 | ||
US3885174A (en) * | 1974-01-16 | 1975-05-20 | Motorola Inc | X-T flexure piezoelectric device |
US4453104A (en) * | 1982-05-12 | 1984-06-05 | Motorola, Inc. | Low-profile crystal package with an improved crystal-mounting arrangement |
US4484158A (en) * | 1982-07-07 | 1984-11-20 | General Electric Company | Monolithic crystal filter and method of manufacturing same |
DE3731785A1 (de) * | 1987-09-22 | 1989-03-30 | Philips Patentverwaltung | Schwingquarzgehaeuse fuer oberflaechenmontage |
US5493166A (en) * | 1988-08-12 | 1996-02-20 | Murata Manufacturing Co., Ltd. | Vibrator and vibrating gyroscope using the same |
US5874674A (en) * | 1988-08-12 | 1999-02-23 | Murata Manufacturing Co., Ltd. | Vibrator including piezoelectric electrodes or detectors arranged to be non-parallel and non-perpendicular to coriolis force direction and vibratory gyroscope using the same |
US5030875A (en) * | 1990-01-26 | 1991-07-09 | Motorola, Inc. | Sacrificial quartz crystal mount |
US5210455A (en) * | 1990-07-26 | 1993-05-11 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive actuator having ceramic substrate having recess defining thin-walled portion |
JP2532779B2 (ja) * | 1991-10-08 | 1996-09-11 | 赤井電機株式会社 | 振動子の支持構造 |
US5616980A (en) * | 1993-07-09 | 1997-04-01 | Nanomotion Ltd. | Ceramic motor |
US5682076A (en) * | 1993-08-03 | 1997-10-28 | Nanomotion Ltd. | Ceramic disc-drive actuator |
EP0839392B1 (en) * | 1996-05-15 | 2002-02-27 | Tokin Corporation | Piezoelectric transformer |
US20060017516A1 (en) * | 2004-05-25 | 2006-01-26 | Broadcom Corporation | Small crystal with grounded package |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1830328A (en) * | 1926-12-20 | 1931-11-03 | Fed Telegraph Co | Cast piezo-electric device |
BE473801A (it) * | 1940-06-05 | |||
US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
GB848030A (en) * | 1958-02-03 | 1960-09-14 | Marconi Wireless Telegraph Co | Improvements in or relating to piezo-electric crystals |
US3046423A (en) * | 1958-10-09 | 1962-07-24 | Bliley Electric Company | High shock and vibration resistant piezoelectric crystal units |
US3221189A (en) * | 1963-06-03 | 1965-11-30 | Dynamics Corp America | Ceramic ruggedized low frequency crystal unit |
CH791567A4 (it) * | 1967-06-05 | 1970-03-31 | ||
US3518460A (en) * | 1968-10-30 | 1970-06-30 | Euphonics Corp | Ultrasonic transducer employing suspended piezoelectric plate |
CH40269A4 (it) * | 1969-01-13 | 1970-06-30 |
-
1971
- 1971-12-02 US US00204177A patent/US3754153A/en not_active Expired - Lifetime
-
1972
- 1972-11-30 CH CH1748972A patent/CH552847A/xx unknown
- 1972-11-30 IT IT32321/72A patent/IT971402B/it active
- 1972-12-01 FR FR7242841A patent/FR2170415A5/fr not_active Expired
- 1972-12-01 CA CA158,451A patent/CA968069A/en not_active Expired
- 1972-12-01 GB GB5573272A patent/GB1415337A/en not_active Expired
-
1976
- 1976-09-16 HK HK565/76*UA patent/HK56576A/xx unknown
- 1976-12-10 JP JP1976165752U patent/JPS5336062Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH552847A (it) | 1974-08-15 |
CH1748972A4 (it) | 1974-02-28 |
JPS52131972U (it) | 1977-10-06 |
JPS5336062Y2 (it) | 1978-09-02 |
GB1415337A (en) | 1975-11-26 |
DE2258510A1 (de) | 1973-06-07 |
FR2170415A5 (it) | 1973-09-14 |
DE2258510B2 (de) | 1976-09-30 |
HK56576A (en) | 1976-09-24 |
CA968069A (en) | 1975-05-20 |
US3754153A (en) | 1973-08-21 |
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