GB1594152A - Frequency converting filter - Google Patents
Frequency converting filter Download PDFInfo
- Publication number
- GB1594152A GB1594152A GB52434/77A GB5243477A GB1594152A GB 1594152 A GB1594152 A GB 1594152A GB 52434/77 A GB52434/77 A GB 52434/77A GB 5243477 A GB5243477 A GB 5243477A GB 1594152 A GB1594152 A GB 1594152A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- frequency
- sampling
- frequency converting
- charge
- 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
- H03H15/00—Transversal filters
- H03H15/02—Transversal filters using analogue shift registers
Landscapes
- Filters That Use Time-Delay Elements (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/758,366 US4360791A (en) | 1977-01-10 | 1977-01-10 | Frequency converting filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1594152A true GB1594152A (en) | 1981-07-30 |
Family
ID=25051478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB52434/77A Expired GB1594152A (en) | 1977-01-10 | 1977-12-16 | Frequency converting filter |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412190A (en) * | 1981-11-05 | 1983-10-25 | Rca Corporation | Apparatus for processing CCD output signals |
| US4554858A (en) * | 1982-08-13 | 1985-11-26 | Nippon Gakki Seizo Kabushiki Kaisha | Digital filter for an electronic musical instrument |
| EP0699627A1 (en) * | 1994-08-29 | 1996-03-06 | Akzo Nobel N.V. | Anti-caking agents for ammonium thiocyanate |
| US5742189A (en) * | 1994-09-16 | 1998-04-21 | Kabushiki Kaisha Toshiba | Frequency conversion circuit and radio communication apparatus with the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402355A (en) * | 1965-01-05 | 1968-09-17 | Army Usa | Electronically variable delay line |
| NL7306902A (US06272168-20010807-M00014.png) * | 1972-05-26 | 1973-11-28 | ||
| DE2501934C2 (de) * | 1974-01-25 | 1982-11-11 | Hughes Aircraft Co., Culver City, Calif. | Verfahren zum Betrieb eines ladungsgekoppelten Halbleiter-Bauelementes und ladungsgekoppeltes Halbleiter-Bauelement zur Durchführung dieses Verfahrens |
| US3999152A (en) * | 1974-10-21 | 1976-12-21 | Hughes Aircraft Company | CCD selective transversal filter |
-
1977
- 1977-01-10 US US05/758,366 patent/US4360791A/en not_active Expired - Lifetime
- 1977-12-16 GB GB52434/77A patent/GB1594152A/en not_active Expired
- 1977-12-20 CA CA293,482A patent/CA1105572A/en not_active Expired
- 1977-12-28 JP JP16091877A patent/JPS5392646A/ja active Pending
- 1977-12-28 FR FR7739465A patent/FR2377117A1/fr active Granted
-
1978
- 1978-01-10 DE DE19782800931 patent/DE2800931A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5392646A (en) | 1978-08-14 |
| FR2377117A1 (fr) | 1978-08-04 |
| FR2377117B1 (US06272168-20010807-M00014.png) | 1985-03-22 |
| DE2800931A1 (de) | 1978-07-13 |
| CA1105572A (en) | 1981-07-21 |
| US4360791A (en) | 1982-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19971215 |