NL7200004A - - Google Patents
Info
- Publication number
- NL7200004A NL7200004A NL7200004A NL7200004A NL7200004A NL 7200004 A NL7200004 A NL 7200004A NL 7200004 A NL7200004 A NL 7200004A NL 7200004 A NL7200004 A NL 7200004A NL 7200004 A NL7200004 A NL 7200004A
- 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
- H03H9/74—Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
- H03H9/76—Networks using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1208—Frequency selective two-port networks using amplifiers with feedback comprising an electromechanical resonator
-
- 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
- H03H9/64—Filters using surface acoustic waves
- H03H9/6403—Programmable filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB43971A GB1372052A (en) | 1971-01-05 | 1971-01-05 | Electromechanical frequency selective devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7200004A true NL7200004A (enExample) | 1972-07-07 |
Family
ID=9704360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7200004A NL7200004A (enExample) | 1971-01-05 | 1972-01-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3754192A (enExample) |
| CA (1) | CA936250A (enExample) |
| DE (1) | DE2163876A1 (enExample) |
| FR (1) | FR2121247A5 (enExample) |
| GB (1) | GB1372052A (enExample) |
| NL (1) | NL7200004A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3831116A (en) * | 1973-04-09 | 1974-08-20 | Raytheon Co | Surface acoustic wave filter |
| NL7611558A (nl) * | 1976-02-19 | 1978-04-21 | Expert Nv | Aandrijving voor roterende trommel. |
| FR2430063A2 (fr) * | 1978-06-29 | 1980-01-25 | Thomson Csf | Dispositif acoustique a memoire, pour la correlation notamment, de deux signaux haute frequence, procede de realisation du reseau de diodes utilise dans un tel dispositif et correlateur acoustique a memoire comportant un tel dispositif |
| EP0012306B1 (de) * | 1978-12-15 | 1985-05-22 | Siemens-Albis Aktiengesellschaft | Mehrkanalige Verstärkereinrichtung mit einem Verstärker für zeitlich verschachtelte Schwingungspakete |
| SU805918A1 (ru) * | 1979-09-28 | 1982-03-30 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Преобразователь поверхностных акустических волн |
| US4315228A (en) * | 1980-07-03 | 1982-02-09 | Westinghouse Electric Corp. | Multiple co-surface acoustic wave filters |
| CA1271817A (en) * | 1986-07-16 | 1990-07-17 | Hiromi Yatsuda | Surface elastic wave filter |
| DE3709692A1 (de) * | 1987-03-25 | 1988-10-06 | Siemens Ag | Oberflaechenwellen-filteranordnung mit reduziertem kapazitivem und insbesondere induktivem uebersprechen |
| JP2944287B2 (ja) * | 1991-12-27 | 1999-08-30 | 日本電気株式会社 | 弾性表面波フィルタ |
| US5365207A (en) * | 1992-12-31 | 1994-11-15 | Motorola, Inc. | Multi-bandwidth saw filter |
| US5491670A (en) * | 1993-01-21 | 1996-02-13 | Weber; T. Jerome | System and method for sonic positioning |
| GB2296614B (en) * | 1994-12-23 | 1999-09-15 | Advanced Saw Prod Sa | Saw filter |
| US11848663B2 (en) * | 2018-07-27 | 2023-12-19 | Frec'n'sys | Resonant cavity surface acoustic wave (SAW) filters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3648081A (en) * | 1970-06-30 | 1972-03-07 | Ibm | Piezoelectric acoustic surface wave device utilizing an amorphous semiconductive sensing material |
-
1971
- 1971-01-05 GB GB43971A patent/GB1372052A/en not_active Expired
- 1971-12-22 DE DE19712163876 patent/DE2163876A1/de active Pending
-
1972
- 1972-01-03 NL NL7200004A patent/NL7200004A/xx unknown
- 1972-01-04 CA CA131577A patent/CA936250A/en not_active Expired
- 1972-01-04 FR FR7200123A patent/FR2121247A5/fr not_active Expired
- 1972-01-05 US US00215499A patent/US3754192A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2163876A1 (de) | 1972-07-27 |
| FR2121247A5 (enExample) | 1972-08-18 |
| CA936250A (en) | 1973-10-30 |
| US3754192A (en) | 1973-08-21 |
| GB1372052A (en) | 1974-10-30 |