NL7215205A - - Google Patents
Info
- Publication number
- NL7215205A NL7215205A NL7215205A NL7215205A NL7215205A NL 7215205 A NL7215205 A NL 7215205A NL 7215205 A NL7215205 A NL 7215205A NL 7215205 A NL7215205 A NL 7215205A NL 7215205 A NL7215205 A NL 7215205A
- 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
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks using surface acoustic waves
- H03H9/423—Time-delay networks using surface acoustic waves with adjustable delay time
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7140292A FR2170291A5 (enrdf_load_stackoverflow) | 1971-11-10 | 1971-11-10 | |
| FR7238716A FR2205253A6 (enrdf_load_stackoverflow) | 1971-11-10 | 1972-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7215205A true NL7215205A (enrdf_load_stackoverflow) | 1973-05-14 |
Family
ID=26216712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7215205A NL7215205A (enrdf_load_stackoverflow) | 1971-11-10 | 1972-11-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3787786A (enrdf_load_stackoverflow) |
| CA (1) | CA958086A (enrdf_load_stackoverflow) |
| DE (1) | DE2254903A1 (enrdf_load_stackoverflow) |
| FR (2) | FR2170291A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1412264A (enrdf_load_stackoverflow) |
| NL (1) | NL7215205A (enrdf_load_stackoverflow) |
| SE (1) | SE389246B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037175A (en) * | 1974-01-02 | 1977-07-19 | University Of Illinois Foundation | Variable delay device |
| FR2266395B1 (enrdf_load_stackoverflow) * | 1974-03-26 | 1980-10-31 | Thomson Csf | |
| US9099982B2 (en) * | 2012-01-25 | 2015-08-04 | International Business Machines Corporation | Method of manufacturing switching filters and design structures |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3103640A (en) * | 1961-06-19 | 1963-09-10 | Lab For Electronics Inc | Variable ultrasonic delay line |
| US3360749A (en) * | 1964-12-09 | 1967-12-26 | Bell Telephone Labor Inc | Elastic wave delay device |
| US3436688A (en) * | 1966-05-24 | 1969-04-01 | Lab For Electronics Inc | Variable delay line with movable electrode |
| US3676721A (en) * | 1970-08-28 | 1972-07-11 | Iit Res Inst | Composite surface-wave transducer |
-
1971
- 1971-11-10 FR FR7140292A patent/FR2170291A5/fr not_active Expired
-
1972
- 1972-10-23 SE SE7213643A patent/SE389246B/xx unknown
- 1972-10-31 FR FR7238716A patent/FR2205253A6/fr not_active Expired
- 1972-11-09 DE DE2254903A patent/DE2254903A1/de active Pending
- 1972-11-09 CA CA156,251*7A patent/CA958086A/en not_active Expired
- 1972-11-09 US US00304950A patent/US3787786A/en not_active Expired - Lifetime
- 1972-11-10 GB GB5210772A patent/GB1412264A/en not_active Expired
- 1972-11-10 NL NL7215205A patent/NL7215205A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2254903A1 (de) | 1973-05-17 |
| SE389246B (sv) | 1976-10-25 |
| CA958086A (en) | 1974-11-19 |
| FR2170291A5 (enrdf_load_stackoverflow) | 1973-09-14 |
| US3787786A (en) | 1974-01-22 |
| FR2205253A6 (enrdf_load_stackoverflow) | 1974-05-24 |
| GB1412264A (en) | 1975-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |