FR2448790B1 - - Google Patents
Info
- Publication number
- FR2448790B1 FR2448790B1 FR8003080A FR8003080A FR2448790B1 FR 2448790 B1 FR2448790 B1 FR 2448790B1 FR 8003080 A FR8003080 A FR 8003080A FR 8003080 A FR8003080 A FR 8003080A FR 2448790 B1 FR2448790 B1 FR 2448790B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H03H9/25—Constructional features of resonators using surface acoustic waves
-
- 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
- H03H9/42—Time-delay networks using surface acoustic waves
-
- 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
- H03H9/42—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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/011,612 US4233573A (en) | 1979-02-12 | 1979-02-12 | Carrier concentration controlled surface acoustic wave variable delay devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448790A1 FR2448790A1 (fr) | 1980-09-05 |
| FR2448790B1 true FR2448790B1 (US07166745-20070123-C00016.png) | 1984-08-03 |
Family
ID=21751200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8003080A Granted FR2448790A1 (fr) | 1979-02-12 | 1980-02-12 | Dispositifs de retard variables a onde acoustique superficielle controles par la concentration de porteurs de charge |
Country Status (9)
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644858A (en) * | 1979-09-19 | 1981-04-24 | Matsushita Electric Ind Co Ltd | Voltage measuring device |
| US4354166A (en) * | 1980-10-23 | 1982-10-12 | United Technologies Corporation | Carrier concentration controlled surface acoustic wave resonator and oscillator |
| US4345176A (en) * | 1980-11-03 | 1982-08-17 | United Technologies Corporation | Temperature compensated gallium arsenide surface acoustic wave devices |
| US4328473A (en) * | 1980-11-03 | 1982-05-04 | United Technologies Corporation | Isolated gate, programmable internal mixing saw signal processor |
| EP0061033B1 (en) * | 1981-03-06 | 1985-10-30 | Matsushita Electric Industrial Co., Ltd. | Electrostatic voltage sensor |
| US4380864A (en) * | 1981-07-27 | 1983-04-26 | The United States Of America As Represented By The Secretary Of The Air Force | Method for providing in-situ non-destructive monitoring of semiconductors during laser annealing process |
| US4625184A (en) * | 1982-07-02 | 1986-11-25 | Clarion Co., Ltd. | Surface acoustic wave device with impedance matching network formed thereon |
| US4633285A (en) * | 1982-08-10 | 1986-12-30 | University Of Illinois | Acoustic charge transport device and method |
| US4581592A (en) * | 1983-05-03 | 1986-04-08 | R F Monolithics, Inc. | Saw stabilized oscillator with controlled pull-range |
| JPS6194411A (ja) * | 1984-10-15 | 1986-05-13 | Clarion Co Ltd | 帯域可変弾性表面波フイルタ |
| US4748364A (en) * | 1984-10-15 | 1988-05-31 | Clarion Co., Ltd. | Surface acoustic wave device |
| US4665374A (en) * | 1985-12-20 | 1987-05-12 | Allied Corporation | Monolithic programmable signal processor using PI-FET taps |
| JPS63196115U (US07166745-20070123-C00016.png) * | 1987-06-05 | 1988-12-16 | ||
| DE3922671A1 (de) * | 1989-07-10 | 1991-01-24 | Siemens Ag | Akustoelektronisches bauelement mit einer oberflaechenwellenanordnung und einer elektronischen halbleiterschaltung |
| US5128579A (en) * | 1990-10-02 | 1992-07-07 | United Technologies Corporation | Act electrode configuration for linear readout |
| JP2574612B2 (ja) * | 1992-10-13 | 1997-01-22 | 松下電器産業株式会社 | 電子音響集積回路およびその製造方法 |
| WO1997009624A1 (de) * | 1995-09-04 | 1997-03-13 | Siemens Aktiengesellschaft | Spannungsmesser, geeignet für mittel-/hochspannungseinrichtungen, mit oberflächenwellen-einrichtung |
| US6003370A (en) * | 1996-05-30 | 1999-12-21 | Minolta Co., Ltd. | Elastic surface wave gyroscope |
| JP3276930B2 (ja) * | 1998-11-17 | 2002-04-22 | 科学技術振興事業団 | トランジスタ及び半導体装置 |
| US6300706B1 (en) * | 1999-07-14 | 2001-10-09 | The United States Of America As Represented By The Secretary Of The Army | Compound semiconductor monolithic frequency sources and actuators |
| GB0307746D0 (en) * | 2003-04-03 | 2003-05-07 | Microemissive Displays Ltd | Removing a material from a substrate |
| JP3835696B2 (ja) * | 2004-04-06 | 2006-10-18 | セイコーエプソン株式会社 | 発振回路および電子機器 |
| US7687971B2 (en) * | 2006-08-15 | 2010-03-30 | Northrop Grumman Corporation | Electric field control of surface acoustic wave velocity |
| US7656253B2 (en) | 2007-04-18 | 2010-02-02 | Northrop Grumman Space & Mission Systems Corporation | Surface acoustic wave passband control |
| JP7160593B2 (ja) * | 2018-08-08 | 2022-10-25 | 東海旅客鉄道株式会社 | 温度異常検出システム及び温度異常検出方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2019780C3 (de) * | 1970-04-23 | 1974-07-18 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum nachträglichen Abgleichen der Laufzeit von elektroakustischen Verzögerungsleitungen auf piezoelektrischen Keramiksubstraten |
| US3827002A (en) * | 1973-05-18 | 1974-07-30 | Us Navy | Tunable electroacoustic transducers |
| US3894286A (en) * | 1974-01-28 | 1975-07-08 | Crystal Tech Inc | Temperature compensated voltage tunable circuits using surface wave devices |
| US4005376A (en) * | 1976-04-15 | 1977-01-25 | The United States Of America As Represented By The Secretary Of The Navy | Electronically variable surface acoustic wave phase shifter |
| US4078186A (en) * | 1976-10-21 | 1978-03-07 | The United States Of America As Represented By The Secretary Of The Navy | Magnetically tuned, surface acoustic wave device |
-
1979
- 1979-02-12 US US06/011,612 patent/US4233573A/en not_active Expired - Lifetime
-
1980
- 1980-01-18 CA CA000343972A patent/CA1149030A/en not_active Expired
- 1980-02-08 DK DK53980A patent/DK53980A/da not_active Application Discontinuation
- 1980-02-08 NL NL8000792A patent/NL8000792A/nl not_active Application Discontinuation
- 1980-02-11 GB GB8004552A patent/GB2042842B/en not_active Expired
- 1980-02-12 DE DE19803005179 patent/DE3005179A1/de not_active Withdrawn
- 1980-02-12 JP JP1648880A patent/JPS55109021A/ja active Pending
- 1980-02-12 FR FR8003080A patent/FR2448790A1/fr active Granted
- 1980-02-12 BE BE0/199359A patent/BE881671A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4233573A (en) | 1980-11-11 |
| DK53980A (da) | 1980-08-13 |
| GB2042842A (en) | 1980-09-24 |
| CA1149030A (en) | 1983-06-28 |
| FR2448790A1 (fr) | 1980-09-05 |
| GB2042842B (en) | 1983-03-23 |
| NL8000792A (nl) | 1980-08-14 |
| BE881671A (fr) | 1980-05-30 |
| DE3005179A1 (de) | 1980-08-21 |
| JPS55109021A (en) | 1980-08-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |