NL7204836A - - Google Patents
Info
- Publication number
- NL7204836A NL7204836A NL7204836A NL7204836A NL7204836A NL 7204836 A NL7204836 A NL 7204836A NL 7204836 A NL7204836 A NL 7204836A NL 7204836 A NL7204836 A NL 7204836A NL 7204836 A NL7204836 A NL 7204836A
- Authority
- NL
- Netherlands
Links
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
- H03H9/0504—Holders; Supports for bulk acoustic wave devices
- H03H9/0528—Holders; Supports for bulk acoustic wave devices consisting of clips
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13429271A | 1971-04-15 | 1971-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7204836A true NL7204836A (xx) | 1972-10-17 |
Family
ID=22462688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7204836A NL7204836A (xx) | 1971-04-15 | 1972-04-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3684905A (xx) |
| BE (1) | BE782168A (xx) |
| DE (1) | DE2217941A1 (xx) |
| FR (1) | FR2136414A5 (xx) |
| GB (1) | GB1355165A (xx) |
| IT (1) | IT952541B (xx) |
| NL (1) | NL7204836A (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3898489A (en) * | 1974-03-04 | 1975-08-05 | Motorola Inc | Piezoelectric resonators including mass loading to attenuate spurious modes |
| US3918013A (en) * | 1974-04-08 | 1975-11-04 | Antonio Lungo | Filter device |
| DE2641571B1 (de) * | 1976-09-15 | 1977-06-08 | Siemens Ag | Als obertonquarz verwendeter dickenscherungsschwinger |
| US4365181A (en) * | 1979-07-18 | 1982-12-21 | Murata Manufacturing Co., Ltd. | Piezoelectric vibrator with damping electrodes |
| DE3650562T2 (de) * | 1985-04-11 | 1997-03-20 | Toyo Communication Equip | Piezoelektrischer resonator zur erzeugung von oberschwingungen |
| US5114777B2 (en) | 1985-08-05 | 1997-11-18 | Wangner Systems Corp | Woven multilayer papermaking fabric having increased stability and permeability and method |
| JPH09168287A (ja) * | 1995-12-14 | 1997-06-24 | Seiko Instr Inc | 超音波モータ |
| US20040036383A1 (en) * | 2002-08-23 | 2004-02-26 | Rubach Robert Walter | Elliptical electrode for crystals |
| JP2007212751A (ja) * | 2006-02-09 | 2007-08-23 | Nippon Dempa Kogyo Co Ltd | 球状又は半球状の結晶体の製造方法及び球状ｓａｗデバイスの製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA497732A (en) * | 1953-11-17 | Canadian Marconi Company | Piezo-electric crystals | |
| US3165651A (en) * | 1959-12-01 | 1965-01-12 | Rudolf H Bechmann | Piezoelectric crystal apparatus |
| US3382381A (en) * | 1965-05-27 | 1968-05-07 | Piezo Technology Inc | Tab plateback |
| US3564463A (en) * | 1966-04-11 | 1971-02-16 | Bell Telephone Labor Inc | Monolithic piezoelectric filter having mass loaded electrodes for resonation regions acoustically coupled together |
| US3585418A (en) * | 1969-07-22 | 1971-06-15 | Clevite Corp | Piezoelectric resonators and method of tuning the same |
-
1971
- 1971-04-15 US US134292A patent/US3684905A/en not_active Expired - Lifetime
-
1972
- 1972-04-04 GB GB1529172A patent/GB1355165A/en not_active Expired
- 1972-04-07 IT IT49440/72A patent/IT952541B/it active
- 1972-04-11 NL NL7204836A patent/NL7204836A/xx unknown
- 1972-04-13 DE DE19722217941 patent/DE2217941A1/de active Pending
- 1972-04-14 BE BE782168A patent/BE782168A/xx unknown
- 1972-04-14 FR FR7213123A patent/FR2136414A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2217941A1 (de) | 1972-10-19 |
| US3684905A (en) | 1972-08-15 |
| FR2136414A5 (xx) | 1972-12-22 |
| BE782168A (fr) | 1972-07-31 |
| GB1355165A (en) | 1974-06-05 |
| IT952541B (it) | 1973-07-30 |