DK114563B - Piezoelektrisk apparat. - Google Patents
Piezoelektrisk apparat.Info
- Publication number
- DK114563B DK114563B DK139861AA DK139861A DK114563B DK 114563 B DK114563 B DK 114563B DK 139861A A DK139861A A DK 139861AA DK 139861 A DK139861 A DK 139861A DK 114563 B DK114563 B DK 114563B
- Authority
- DK
- Denmark
- Prior art keywords
- piezoelectric device
- piezoelectric
- 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
- H03H9/15—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/34—Amplitude modulation by means of light-sensitive element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/38—Time-delay networks with adjustable delay time
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20572A US3091707A (en) | 1960-04-07 | 1960-04-07 | Piezoelectric devices utilizing zinc oxide |
US22015A US3093758A (en) | 1960-04-13 | 1960-04-13 | Piezoelectric devices utilizing cadmium sulfide |
US23441A US3145354A (en) | 1960-04-20 | 1960-04-20 | Circuit element |
Publications (1)
Publication Number | Publication Date |
---|---|
DK114563B true DK114563B (da) | 1969-07-14 |
Family
ID=30449223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK139861AA DK114563B (da) | 1960-04-07 | 1961-04-05 | Piezoelektrisk apparat. |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH390596A (da) |
DE (3) | DE1616606B1 (da) |
DK (1) | DK114563B (da) |
FR (1) | FR1286476A (da) |
GB (3) | GB959293A (da) |
NL (1) | NL263351A (da) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5393444A (en) * | 1992-09-08 | 1995-02-28 | Ngk Insulators, Ltd. | Piezoelectric semiconductor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB311055A (en) * | 1928-03-29 | 1929-05-09 | Paul Freedman | Improvements in or relating to piezo-electric substances |
US2711515A (en) * | 1950-09-29 | 1955-06-21 | Bell Telephone Labor Inc | Delay line |
US2712638A (en) * | 1951-09-18 | 1955-07-05 | David L Arenberg | Single-crystal ultrasonic solid delay lines using multiple reflections |
US2814793A (en) * | 1955-04-05 | 1957-11-26 | Sperry Rand Corp | Variable delay line |
US2818548A (en) * | 1955-10-19 | 1957-12-31 | Rca Corp | Phase modulating device |
-
0
- NL NL263351D patent/NL263351A/xx unknown
-
1961
- 1961-01-16 GB GB1706/61A patent/GB959293A/en not_active Expired
- 1961-03-28 CH CH366561A patent/CH390596A/de unknown
- 1961-04-01 DE DE1961W0029744 patent/DE1616606B1/de active Pending
- 1961-04-01 DE DE1961W0029745 patent/DE1616607B1/de active Pending
- 1961-04-05 DK DK139861AA patent/DK114563B/da unknown
- 1961-04-07 GB GB12515/61A patent/GB958690A/en not_active Expired
- 1961-04-07 GB GB12516/61A patent/GB964589A/en not_active Expired
- 1961-04-11 DE DEW29782A patent/DE1257998B/de active Pending
- 1961-04-19 FR FR859251A patent/FR1286476A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1257998B (de) | 1968-01-04 |
CH390596A (de) | 1965-04-15 |
FR1286476A (fr) | 1962-03-02 |
DE1616606B1 (de) | 1970-04-30 |
GB958690A (en) | 1964-05-21 |
NL263351A (da) | 1900-01-01 |
GB959293A (en) | 1964-05-27 |
DE1616607B1 (de) | 1970-03-26 |
GB964589A (da) | 1964-07-22 |
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