CA1145050A - Analog-digital conversion device with surface elastic waves - Google Patents
Analog-digital conversion device with surface elastic wavesInfo
- Publication number
- CA1145050A CA1145050A CA000312449A CA312449A CA1145050A CA 1145050 A CA1145050 A CA 1145050A CA 000312449 A CA000312449 A CA 000312449A CA 312449 A CA312449 A CA 312449A CA 1145050 A CA1145050 A CA 1145050A
- Authority
- CA
- Canada
- Prior art keywords
- transducers
- binary
- output
- standard
- return tracks
- 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
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- UOACKFBJUYNSLK-XRKIENNPSA-N Estradiol Cypionate Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H](C4=CC=C(O)C=C4CC3)CC[C@@]21C)C(=O)CCC1CCCC1 UOACKFBJUYNSLK-XRKIENNPSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7730634 | 1977-10-06 | ||
| FR7730634A FR2405591A1 (fr) | 1977-10-06 | 1977-10-06 | Dispositifs de conversion analogique-numerique a ondes elastiques de surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1145050A true CA1145050A (en) | 1983-04-19 |
Family
ID=9196385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000312449A Expired CA1145050A (en) | 1977-10-06 | 1978-10-02 | Analog-digital conversion device with surface elastic waves |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4225855A (enExample) |
| CA (1) | CA1145050A (enExample) |
| FR (1) | FR2405591A1 (enExample) |
| GB (1) | GB2005939B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10378342B2 (en) * | 2014-12-29 | 2019-08-13 | Halliburton Energy Services, Inc. | Mud pulse telemetry using gray coding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1762877A1 (de) * | 1968-09-14 | 1970-11-12 | Standard Elek K Lorenz Ag | Analog-Digital-Wandler mit beliebiger Kennlinie fuer n Bit,insbesondere Coder fuer schnelle PCM |
| US4079342A (en) * | 1976-09-15 | 1978-03-14 | Sperry Rand Corporation | Fanned multistrip coupler filters |
-
1977
- 1977-10-06 FR FR7730634A patent/FR2405591A1/fr active Granted
-
1978
- 1978-10-02 CA CA000312449A patent/CA1145050A/en not_active Expired
- 1978-10-03 US US05/948,251 patent/US4225855A/en not_active Expired - Lifetime
- 1978-10-05 GB GB7839362A patent/GB2005939B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2405591A1 (fr) | 1979-05-04 |
| GB2005939A (en) | 1979-04-25 |
| GB2005939B (en) | 1982-03-31 |
| US4225855A (en) | 1980-09-30 |
| FR2405591B1 (enExample) | 1980-04-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |