NL7210669A - - Google Patents
Info
- Publication number
- NL7210669A NL7210669A NL7210669A NL7210669A NL7210669A NL 7210669 A NL7210669 A NL 7210669A NL 7210669 A NL7210669 A NL 7210669A NL 7210669 A NL7210669 A NL 7210669A NL 7210669 A NL7210669 A NL 7210669A
- 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 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)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3284971A JPS5211549B1 (xx) | 1971-05-14 | 1971-05-14 | |
| JP47023371A JPS4890647A (xx) | 1971-05-14 | 1972-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7210669A true NL7210669A (xx) | 1973-09-10 |
Family
ID=26360725
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206138A NL7206138A (xx) | 1971-05-14 | 1972-05-05 | |
| NL7210669A NL7210669A (xx) | 1971-05-14 | 1972-08-03 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206138A NL7206138A (xx) | 1971-05-14 | 1972-05-05 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3798577A (xx) |
| JP (1) | JPS4890647A (xx) |
| AU (2) | AU444943B2 (xx) |
| CA (2) | CA954597A (xx) |
| DE (2) | DE2223400B2 (xx) |
| FR (2) | FR2139419A5 (xx) |
| GB (2) | GB1382703A (xx) |
| NL (2) | NL7206138A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873946A (en) * | 1973-10-04 | 1975-03-25 | Hughes Aircraft Co | Acoustic surface wave tapped delay line |
| JPS5710516A (en) * | 1980-06-23 | 1982-01-20 | Matsushita Electric Ind Co Ltd | Comb type filter |
| JPS61244112A (ja) * | 1985-04-23 | 1986-10-30 | Asahi Glass Co Ltd | 超音波遅延線 |
| US5173667A (en) * | 1991-02-19 | 1992-12-22 | Ford Motor Company | Acoustic wave transmission media delay line having internally disposed absorber channels |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2859415A (en) * | 1952-09-03 | 1958-11-04 | Bell Telephone Labor Inc | Ultrasonic acoustic wave transmission delay lines |
| US2839731A (en) * | 1953-01-14 | 1958-06-17 | Bell Telephone Labor Inc | Multi-facet ultrasonic delay line |
| GB748438A (en) * | 1953-11-30 | 1956-05-02 | Marconi Wireless Telegraph Co | Improvements in or relating to ultrasonic delay devices |
| US3131459A (en) * | 1959-11-09 | 1964-05-05 | Corning Glass Works | Method of bonding absorbing material to a delay line |
| US3247473A (en) * | 1959-11-09 | 1966-04-19 | Corning Glass Works | Cold diffusion bond between acoustic delay line and back electrode or acoustic absorber |
| NL295653A (xx) * | 1962-08-15 | |||
| FR1559651A (xx) * | 1967-11-15 | 1969-03-14 | ||
| GB1171261A (en) * | 1968-02-16 | 1969-11-19 | Mullard Ltd | Improved Ultra-Sonic Delay Line |
| JPS5145217B1 (xx) * | 1969-12-06 | 1976-12-02 |
-
1972
- 1972-03-06 JP JP47023371A patent/JPS4890647A/ja active Pending
- 1972-05-05 NL NL7206138A patent/NL7206138A/xx unknown
- 1972-05-08 AU AU42016/72A patent/AU444943B2/en not_active Expired
- 1972-05-10 DE DE2223400A patent/DE2223400B2/de active Granted
- 1972-05-10 FR FR7216782A patent/FR2139419A5/fr not_active Expired
- 1972-05-15 CA CA142,099A patent/CA954597A/en not_active Expired
- 1972-05-15 GB GB2273372A patent/GB1382703A/en not_active Expired
- 1972-05-15 US US00253116A patent/US3798577A/en not_active Expired - Lifetime
- 1972-05-15 CA CA142,097A patent/CA958085A/en not_active Expired
- 1972-08-03 NL NL7210669A patent/NL7210669A/xx unknown
- 1972-08-14 DE DE2240406A patent/DE2240406B2/de active Pending
- 1972-08-30 FR FR7230806A patent/FR2175379A5/fr not_active Expired
- 1972-10-10 AU AU47571/72A patent/AU450723B2/en not_active Expired
-
1973
- 1973-01-30 GB GB460873A patent/GB1409766A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2139419A5 (xx) | 1973-01-05 |
| AU4201672A (en) | 1973-11-15 |
| AU450723B2 (en) | 1974-07-18 |
| DE2223400B2 (de) | 1974-09-26 |
| CA954597A (en) | 1974-09-10 |
| US3798577A (en) | 1974-03-19 |
| FR2175379A5 (xx) | 1973-10-19 |
| DE2240406B2 (de) | 1975-02-20 |
| CA958085A (en) | 1974-11-19 |
| DE2223400A1 (de) | 1973-01-18 |
| JPS4890647A (xx) | 1973-11-26 |
| DE2223400C3 (xx) | 1975-04-30 |
| NL7206138A (xx) | 1972-11-16 |
| DE2240406A1 (de) | 1973-09-20 |
| GB1382703A (en) | 1975-02-05 |
| GB1409766A (en) | 1975-10-15 |
| AU4757172A (en) | 1974-05-23 |
| AU444943B2 (en) | 1974-02-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BN | A decision not to publish the application has become irrevocable |