CA958085A - Ultrasonic delay line - Google Patents
Ultrasonic delay lineInfo
- Publication number
- CA958085A CA958085A CA142,097A CA142097A CA958085A CA 958085 A CA958085 A CA 958085A CA 142097 A CA142097 A CA 142097A CA 958085 A CA958085 A CA 958085A
- Authority
- CA
- Canada
- Prior art keywords
- delay line
- ultrasonic delay
- ultrasonic
- line
- delay
- Prior art date
- 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
- H03H9/30—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 (en) | 1971-05-14 | 1971-05-14 | |
JP47023371A JPS4890647A (en) | 1971-05-14 | 1972-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA958085A true CA958085A (en) | 1974-11-19 |
Family
ID=26360725
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA142,099A Expired CA954597A (en) | 1971-05-14 | 1972-05-15 | Ultrasonic delay line |
CA142,097A Expired CA958085A (en) | 1971-05-14 | 1972-05-15 | Ultrasonic delay line |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA142,099A Expired CA954597A (en) | 1971-05-14 | 1972-05-15 | Ultrasonic delay line |
Country Status (8)
Country | Link |
---|---|
US (1) | US3798577A (en) |
JP (1) | JPS4890647A (en) |
AU (2) | AU444943B2 (en) |
CA (2) | CA954597A (en) |
DE (2) | DE2223400B2 (en) |
FR (2) | FR2139419A5 (en) |
GB (2) | GB1382703A (en) |
NL (2) | NL7206138A (en) |
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 (en) * | 1985-04-23 | 1986-10-30 | Asahi Glass Co Ltd | Ultrasonic delay line |
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 |
US3247473A (en) * | 1959-11-09 | 1966-04-19 | Corning Glass Works | Cold diffusion bond between acoustic delay line and back electrode or acoustic absorber |
US3131459A (en) * | 1959-11-09 | 1964-05-05 | Corning Glass Works | Method of bonding absorbing material to a delay line |
BE636218A (en) * | 1962-08-15 | |||
FR1559651A (en) * | 1967-11-15 | 1969-03-14 | ||
GB1171261A (en) * | 1968-02-16 | 1969-11-19 | Mullard Ltd | Improved Ultra-Sonic Delay Line |
JPS5145217B1 (en) * | 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/en active Granted
- 1972-05-10 FR FR7216782A patent/FR2139419A5/fr not_active Expired
- 1972-05-15 US US00253116A patent/US3798577A/en not_active Expired - Lifetime
- 1972-05-15 GB GB2273372A patent/GB1382703A/en not_active Expired
- 1972-05-15 CA CA142,099A patent/CA954597A/en not_active Expired
- 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/en 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 |
---|---|
AU4757172A (en) | 1974-05-23 |
GB1382703A (en) | 1975-02-05 |
DE2223400B2 (en) | 1974-09-26 |
NL7206138A (en) | 1972-11-16 |
US3798577A (en) | 1974-03-19 |
CA954597A (en) | 1974-09-10 |
DE2240406B2 (en) | 1975-02-20 |
JPS4890647A (en) | 1973-11-26 |
DE2240406A1 (en) | 1973-09-20 |
NL7210669A (en) | 1973-09-10 |
DE2223400A1 (en) | 1973-01-18 |
AU450723B2 (en) | 1974-07-18 |
DE2223400C3 (en) | 1975-04-30 |
FR2139419A5 (en) | 1973-01-05 |
AU4201672A (en) | 1973-11-15 |
FR2175379A5 (en) | 1973-10-19 |
GB1409766A (en) | 1975-10-15 |
AU444943B2 (en) | 1974-02-07 |
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