NL7215409A - - Google Patents
Info
- Publication number
- NL7215409A NL7215409A NL7215409A NL7215409A NL7215409A NL 7215409 A NL7215409 A NL 7215409A NL 7215409 A NL7215409 A NL 7215409A NL 7215409 A NL7215409 A NL 7215409A NL 7215409 A NL7215409 A NL 7215409A
- 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
- H03H9/36—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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3448672A JPS5219942B2 (en:Method) | 1972-04-07 | 1972-04-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7215409A true NL7215409A (en:Method) | 1973-10-09 |
| NL161007B NL161007B (nl) | 1979-07-16 |
| NL161007C NL161007C (nl) | 1979-12-17 |
Family
ID=12415561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7215409A NL161007C (nl) | 1972-04-07 | 1972-11-14 | Ultrasone vertragingslijn. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5219942B2 (en:Method) |
| BE (1) | BE791635A (en:Method) |
| DE (1) | DE2252783B2 (en:Method) |
| GB (1) | GB1402908A (en:Method) |
| NL (1) | NL161007C (en:Method) |
-
0
- BE BE791635D patent/BE791635A/xx not_active IP Right Cessation
-
1972
- 1972-04-07 JP JP3448672A patent/JPS5219942B2/ja not_active Expired
- 1972-09-28 GB GB4488372A patent/GB1402908A/en not_active Expired
- 1972-10-27 DE DE19722252783 patent/DE2252783B2/de not_active Ceased
- 1972-11-14 NL NL7215409A patent/NL161007C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1402908A (en) | 1975-08-13 |
| JPS48102949A (en:Method) | 1973-12-24 |
| NL161007C (nl) | 1979-12-17 |
| DE2252783A1 (de) | 1973-10-18 |
| JPS5219942B2 (en:Method) | 1977-05-31 |
| BE791635A (fr) | 1973-03-16 |
| DE2252783B2 (de) | 1974-10-31 |
| NL161007B (nl) | 1979-07-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: ASANI GLASS |
|
| V4 | Lapsed because of reaching the maxim lifetime of a patent |