NL157166B - Monolytisch kristalfilter. - Google Patents
Monolytisch kristalfilter.Info
- Publication number
- NL157166B NL157166B NL6704844.A NL6704844A NL157166B NL 157166 B NL157166 B NL 157166B NL 6704844 A NL6704844 A NL 6704844A NL 157166 B NL157166 B NL 157166B
- Authority
- NL
- Netherlands
- Prior art keywords
- monolytic
- crystal filter
- crystal
- filter
- monolytic crystal
- 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 devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/566—Electric coupling means therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54154966A | 1966-04-11 | 1966-04-11 | |
US55833866A | 1966-06-17 | 1966-06-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6704844A NL6704844A (nl) | 1967-10-12 |
NL157166B true NL157166B (nl) | 1978-06-15 |
Family
ID=27066728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6704844.A NL157166B (nl) | 1966-04-11 | 1967-04-05 | Monolytisch kristalfilter. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3564463A (nl) |
JP (1) | JPS5212532B1 (nl) |
BE (1) | BE696493A (nl) |
DE (1) | DE1566035C3 (nl) |
ES (1) | ES339667A1 (nl) |
GB (1) | GB1187472A (nl) |
NL (1) | NL157166B (nl) |
SE (1) | SE335581B (nl) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3657578A (en) * | 1969-09-24 | 1972-04-18 | Denki Onkyo Co Ltd | Piezoelectric transducer elements |
US3697788A (en) * | 1970-09-30 | 1972-10-10 | Motorola Inc | Piezoelectric resonating device |
US3686592A (en) * | 1970-10-08 | 1972-08-22 | Us Army | Monolithic coupled crystal resonator filter having cross impedance adjusting means |
US3684905A (en) * | 1971-04-15 | 1972-08-15 | Mccoy Electronics Co | Piezoelectric crystal device including loading elements having the shape of chordal sections |
JPS5329265B2 (nl) * | 1972-09-20 | 1978-08-19 | ||
US3898489A (en) * | 1974-03-04 | 1975-08-05 | Motorola Inc | Piezoelectric resonators including mass loading to attenuate spurious modes |
US3944951A (en) * | 1974-11-21 | 1976-03-16 | Bell Telephone Laboratories, Incorporated | Monolithic crystal filter |
CA1041186A (en) * | 1976-04-28 | 1978-10-24 | Henry K. Yee | Monolithic crystal filters |
US4076987A (en) * | 1976-12-10 | 1978-02-28 | Societe Suisse Pour L'industrie Horlogere Management Services S.A. | Multiple resonator or filter vibrating in a coupled mode |
CA1101945A (en) * | 1977-04-15 | 1981-05-26 | Henry K. Yee | Single side band monolithic crystal filter |
US4112147A (en) * | 1977-05-13 | 1978-09-05 | Western Electric Company, Inc. | Method of manufacturing a monolithic crystal filter |
US4224586A (en) * | 1978-10-10 | 1980-09-23 | Motorola, Inc. | Monolithic crystal filter having a passband symmetrical about a center frequency |
US4246554A (en) * | 1978-12-11 | 1981-01-20 | E-Systems, Inc. | Inductorless monolithic crystal filter network |
US4229718A (en) * | 1979-04-19 | 1980-10-21 | Motorola, Inc. | Wide-bandwidth monolithic crystal filter |
US4329666A (en) * | 1980-08-11 | 1982-05-11 | Motorola, Inc. | Two-pole monolithic crystal filter |
JPH04127486A (ja) * | 1990-09-18 | 1992-04-28 | Fujitsu Ltd | 圧電トランス |
US5231327A (en) * | 1990-12-14 | 1993-07-27 | Tfr Technologies, Inc. | Optimized piezoelectric resonator-based networks |
EP0818882A3 (en) * | 1996-07-10 | 1999-12-15 | Matsushita Electric Industrial Co., Ltd. | Energy trapping piezoelectric device and producing method thereof |
DE19860001C2 (de) * | 1998-12-23 | 2001-10-04 | Epcos Ag | Piezoelektrisches Bauelement, Verfahren zu dessen Herstellung und Verwendung eines derartigen Bauelements |
US7111500B2 (en) * | 2002-12-26 | 2006-09-26 | Ulvac Inc. | Analysis method using piezoelectric resonator |
US7847656B2 (en) * | 2006-07-27 | 2010-12-07 | Georgia Tech Research Corporation | Monolithic thin-film piezoelectric filters |
FI20106063A (fi) | 2010-10-14 | 2012-06-08 | Valtion Teknillinen | Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin |
RU2700374C1 (ru) * | 2018-12-11 | 2019-09-16 | Открытое акционерное общество "Межгосударственная Корпорация Развития" (ОАО "Межгосударственная Корпорация Развития") | Пьезоэлектрический компонент для фильтра |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2248776A (en) * | 1938-07-28 | 1941-07-08 | Bell Telephone Labor Inc | Wave filter |
-
1966
- 1966-06-17 US US558338A patent/US3564463A/en not_active Expired - Lifetime
-
1967
- 1967-04-03 BE BE696493D patent/BE696493A/xx not_active IP Right Cessation
- 1967-04-05 NL NL6704844.A patent/NL157166B/nl not_active IP Right Cessation
- 1967-04-05 JP JP42021301A patent/JPS5212532B1/ja active Pending
- 1967-04-10 DE DE1566035A patent/DE1566035C3/de not_active Expired
- 1967-04-10 SE SE04954/67A patent/SE335581B/xx unknown
- 1967-04-11 GB GB06539/67A patent/GB1187472A/en not_active Expired
- 1967-04-11 ES ES339667A patent/ES339667A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1187472A (en) | 1970-04-08 |
ES339667A1 (es) | 1968-09-01 |
NL6704844A (nl) | 1967-10-12 |
BE696493A (nl) | 1967-09-18 |
DE1566035A1 (de) | 1971-04-22 |
JPS5212532B1 (nl) | 1977-04-07 |
US3564463B1 (nl) | 1986-02-18 |
US3564463A (en) | 1971-02-16 |
DE1566035C3 (de) | 1981-07-30 |
DE1566035B2 (de) | 1973-03-08 |
SE335581B (nl) | 1971-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: WESTERN EL CY |
|
V4 | Discontinued because of reaching the maximum lifetime of a patent |