NL6817492A - - Google Patents
Info
- Publication number
- NL6817492A NL6817492A NL6817492A NL6817492A NL6817492A NL 6817492 A NL6817492 A NL 6817492A NL 6817492 A NL6817492 A NL 6817492A NL 6817492 A NL6817492 A NL 6817492A NL 6817492 A NL6817492 A NL 6817492A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires
-
- 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
- H03H9/36—Time-delay networks with non-adjustable delay time
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Integrated Circuits (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6817492A NL6817492A (de) | 1968-12-06 | 1968-12-06 | |
| US881461A US3654575A (en) | 1968-12-06 | 1969-12-02 | Wave transmission time device |
| GB1297774D GB1297774A (de) | 1968-12-06 | 1969-12-03 | |
| DE19691961668 DE1961668C3 (de) | 1968-12-06 | 1969-12-04 | Prismatischer Wellenlaufzeitkörper mit dreieckiger Grundfläche |
| FR6942092A FR2025539A1 (de) | 1968-12-06 | 1969-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6817492A NL6817492A (de) | 1968-12-06 | 1968-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6817492A true NL6817492A (de) | 1969-02-25 |
Family
ID=19805338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6817492A NL6817492A (de) | 1968-12-06 | 1968-12-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3654575A (de) |
| FR (1) | FR2025539A1 (de) |
| GB (1) | GB1297774A (de) |
| NL (1) | NL6817492A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006006167A1 (de) * | 2005-04-06 | 2006-10-12 | Lanxess Deutschland Gmbh | Formmassen auf Basis eines thermoplastischen Polycarbonats |
| DE102007052783A1 (de) * | 2007-11-02 | 2009-05-07 | Bayer Materialscience Ag | Flammwidrige Polycarbonate mit Polyolen |
| ES2563229T3 (es) | 2011-09-28 | 2016-03-11 | Covestro Deutschland Ag | Policarbonato con fibras de vidrio |
| TWI764909B (zh) | 2016-07-04 | 2022-05-21 | 德商科思創德意志股份有限公司 | 含特定聚碳酸酯組成物作為基質材料之多層複合材料 |
| EP3688095B1 (de) | 2017-09-28 | 2023-09-13 | Covestro Intellectual Property GmbH & Co. KG | Polycarbonatzusammensetzung |
| EP3502170A1 (de) | 2017-12-19 | 2019-06-26 | Covestro Deutschland AG | Mehrschichtverbundwerkstoff enthaltend spezielle polycarbonat-zusammensetzungen als matrixmaterial |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2839731A (en) * | 1953-01-14 | 1958-06-17 | Bell Telephone Labor Inc | Multi-facet ultrasonic delay line |
| US2826745A (en) * | 1956-08-05 | 1958-03-11 | Irving H Page | Grid-type liquid delay line |
| US2965851A (en) * | 1957-12-26 | 1960-12-20 | Bell Telephone Labor Inc | Tapped ultrasonic delay line |
| NL143392B (nl) * | 1965-04-17 | 1974-09-16 | Philips Nv | Ultrasone vertragingsinrichting. |
-
1968
- 1968-12-06 NL NL6817492A patent/NL6817492A/xx unknown
-
1969
- 1969-12-02 US US881461A patent/US3654575A/en not_active Expired - Lifetime
- 1969-12-03 GB GB1297774D patent/GB1297774A/en not_active Expired
- 1969-12-05 FR FR6942092A patent/FR2025539A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3654575A (en) | 1972-04-04 |
| GB1297774A (de) | 1972-11-29 |
| FR2025539A1 (de) | 1970-09-11 |
| DE1961668A1 (de) | 1970-06-18 |
| DE1961668B2 (de) | 1976-09-23 |