NL7609471A - Elektromechanisch filter met breed tempera- tuurgebied. - Google Patents
Elektromechanisch filter met breed tempera- tuurgebied.Info
- Publication number
- NL7609471A NL7609471A NL7609471A NL7609471A NL7609471A NL 7609471 A NL7609471 A NL 7609471A NL 7609471 A NL7609471 A NL 7609471A NL 7609471 A NL7609471 A NL 7609471A NL 7609471 A NL7609471 A NL 7609471A
- Authority
- NL
- Netherlands
- Prior art keywords
- temperature range
- wide temperature
- electromechanical filter
- electromechanical
- filter
- 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
- H03H9/48—Coupling means therefor
- H03H9/52—Electric coupling means
-
- 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
- H03H9/48—Coupling means therefor
- H03H9/50—Mechanical coupling means
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 |
---|---|---|---|
JP50104739A JPS5228245A (en) | 1975-08-28 | 1975-08-28 | Mechanical filter |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7609471A true NL7609471A (nl) | 1977-03-02 |
NL169941C NL169941C (nl) | 1982-09-01 |
Family
ID=14388855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7609471,A NL169941C (nl) | 1975-08-28 | 1976-08-25 | Elektro-mechanisch filter voor een breed temperatuurgebied. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4091345A (nl) |
JP (1) | JPS5228245A (nl) |
DE (1) | DE2638948C2 (nl) |
FR (1) | FR2322480A1 (nl) |
IT (1) | IT1068565B (nl) |
NL (1) | NL169941C (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309680A (en) * | 1978-07-07 | 1982-01-05 | Nippon Bearing Company Limited | Electro-mechanical filter including mechanical resonator |
US4387352A (en) * | 1980-03-03 | 1983-06-07 | The United States Of America As Represented By The Secretary Of The Navy | Transducer array crossover network |
US4558285A (en) * | 1984-04-09 | 1985-12-10 | Broadcast Electronics, Inc. | Impedance-matching device for power amplifier circuit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859416A (en) * | 1955-07-18 | 1958-11-04 | Motorola Inc | Filter |
US2955267A (en) * | 1958-08-20 | 1960-10-04 | Bell Telephone Labor Inc | Electromechanical torsional band pass wave filter |
DE1766316A1 (de) * | 1968-05-03 | 1971-07-01 | Fernmeldewerk Leipzig Veb | Elektromechanisches Filter |
DE2214252C3 (de) * | 1972-03-23 | 1980-02-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Bandfilter fur elektrische Schwingungen |
-
1975
- 1975-08-28 JP JP50104739A patent/JPS5228245A/ja active Pending
-
1976
- 1976-08-25 NL NLAANVRAGE7609471,A patent/NL169941C/nl not_active IP Right Cessation
- 1976-08-26 US US05/717,824 patent/US4091345A/en not_active Expired - Lifetime
- 1976-08-27 IT IT26618/76A patent/IT1068565B/it active
- 1976-08-27 FR FR7626078A patent/FR2322480A1/fr active Granted
- 1976-08-28 DE DE2638948A patent/DE2638948C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4091345A (en) | 1978-05-23 |
FR2322480A1 (fr) | 1977-03-25 |
FR2322480B1 (nl) | 1980-09-12 |
DE2638948A1 (de) | 1977-03-03 |
JPS5228245A (en) | 1977-03-03 |
IT1068565B (it) | 1985-03-21 |
NL169941C (nl) | 1982-09-01 |
DE2638948C2 (de) | 1985-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL7603034A (nl) | Niet-waterhoudend elektrochemisch element. | |
NL181831C (nl) | Verwarmingselement. | |
NO143834C (no) | Gassfilterelement. | |
NL185064C (nl) | Filtersamenstel. | |
DK307176A (da) | Elektromekanisk transor | |
NL7610554A (nl) | Bevestigingselement. | |
NL7604084A (nl) | Actuator. | |
NL7607129A (nl) | Elektrochemisch element. | |
NL7501450A (nl) | Sierelement. | |
FR2299499A1 (fr) | Element | |
SE427528B (sv) | Hallare for filterelement | |
SE7500294L (sv) | Filterinfestning. | |
NL7611192A (nl) | Filter met filtercellen. | |
IT1064593B (it) | Termostato | |
NL169006C (nl) | Electromechanisch filter. | |
BE848708A (fr) | Filtres, | |
NL181776B (nl) | Filtersamenstel. | |
NL7609471A (nl) | Elektromechanisch filter met breed tempera- tuurgebied. | |
FR2346900A1 (fr) | Filtres electromecaniques | |
NL7608311A (nl) | Ovenelementdrager. | |
NL7611130A (nl) | Fotogeleidend element. | |
JPS51102759A (ja) | Danseijikutsugite | |
AT383227B (de) | Thermostat | |
ES222430Y (es) | Filtro. | |
NL7614137A (nl) | Thermostaatinrichting. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: NEC CORPORATION |
|
V1 | Lapsed because of non-payment of the annual fee |