BE729935A - - Google Patents
Info
- Publication number
- BE729935A BE729935A BE729935DA BE729935A BE 729935 A BE729935 A BE 729935A BE 729935D A BE729935D A BE 729935DA BE 729935 A BE729935 A BE 729935A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/08—Networks for phase shifting
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71362168A | 1968-03-18 | 1968-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE729935A true BE729935A (xx) | 1969-09-01 |
Family
ID=24866833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE729935D BE729935A (xx) | 1968-03-18 | 1969-03-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3537015A (xx) |
| BE (1) | BE729935A (xx) |
| DE (1) | DE1912674C3 (xx) |
| FR (1) | FR2004131A1 (xx) |
| GB (1) | GB1189278A (xx) |
| NL (1) | NL153393C (xx) |
| SE (1) | SE335186B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE759506A (nl) * | 1969-11-27 | 1971-05-27 | Int Standard Electric Corp | Werkwijze voor het filteren en schakelinrichting voor het uitvoeren vande werkwijze voor het filteren |
| GB1457768A (en) * | 1972-12-22 | 1976-12-08 | Siemens Ag | Digital filters |
| FR2232153B1 (xx) * | 1973-05-11 | 1976-03-19 | Ibm France | |
| JPS60132412A (ja) * | 1983-12-21 | 1985-07-15 | Toshiba Corp | 可変移相回路 |
| US5258713A (en) * | 1992-04-16 | 1993-11-02 | Northern Telecom Limited | Impedance generator for a telephone line interface circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3314015A (en) * | 1963-09-16 | 1967-04-11 | Bell Telephone Labor Inc | Digitally synthesized artificial transfer networks |
| US3307408A (en) * | 1966-08-10 | 1967-03-07 | Int Research & Dev Co Ltd | Synchronous filter apparatus in which pass-band automatically tracks signal, useful for vibration analysis |
| US3370292A (en) * | 1967-01-05 | 1968-02-20 | Raytheon Co | Digital canonical filter |
| US3421141A (en) * | 1967-10-16 | 1969-01-07 | Huntec Ltd | Self-adjusting filter |
-
1968
- 1968-03-18 US US713621A patent/US3537015A/en not_active Expired - Lifetime
-
1969
- 1969-03-11 SE SE03313/69A patent/SE335186B/xx unknown
- 1969-03-13 DE DE1912674A patent/DE1912674C3/de not_active Expired
- 1969-03-13 NL NL6903884A patent/NL153393C/xx active
- 1969-03-17 BE BE729935D patent/BE729935A/xx not_active IP Right Cessation
- 1969-03-17 GB GB03781/69A patent/GB1189278A/en not_active Expired
- 1969-03-17 FR FR6907537A patent/FR2004131A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2004131A1 (xx) | 1969-11-21 |
| SE335186B (xx) | 1971-05-17 |
| GB1189278A (en) | 1970-04-22 |
| NL153393C (nl) | 1977-05-16 |
| DE1912674C3 (de) | 1975-03-27 |
| DE1912674B2 (de) | 1974-08-08 |
| NL6903884A (xx) | 1969-09-22 |
| DE1912674A1 (de) | 1969-10-09 |
| US3537015A (en) | 1970-10-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19890317 |