NL213217A - - Google Patents
Info
- Publication number
- NL213217A NL213217A NL213217DA NL213217A NL 213217 A NL213217 A NL 213217A NL 213217D A NL213217D A NL 213217DA NL 213217 A NL213217 A NL 213217A
- 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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/15—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
- H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
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 |
|---|---|---|---|
| NL358126X | 1956-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL213217A true NL213217A (de) |
Family
ID=19785298
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL213217D NL213217A (de) | 1956-12-21 | ||
| NL98667D NL98667C (de) | 1956-12-21 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL98667D NL98667C (de) | 1956-12-21 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE563364A (de) |
| CH (1) | CH358126A (de) |
| FR (1) | FR1188842A (de) |
| GB (1) | GB874798A (de) |
| NL (2) | NL98667C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3423609A (en) * | 1964-01-30 | 1969-01-21 | Hewlett Packard Co | Quartz crystal temperature transducer |
-
0
- NL NL213217D patent/NL213217A/xx unknown
- BE BE563364D patent/BE563364A/xx unknown
- NL NL98667D patent/NL98667C/xx active
-
1957
- 1957-12-18 GB GB39355/57A patent/GB874798A/en not_active Expired
- 1957-12-18 CH CH358126D patent/CH358126A/de unknown
- 1957-12-19 FR FR1188842D patent/FR1188842A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL98667C (de) | |
| GB874798A (en) | 1961-08-10 |
| BE563364A (de) | |
| FR1188842A (fr) | 1959-09-25 |
| CH358126A (de) | 1961-11-15 |