JPS4912780B1 - - Google Patents
Info
- Publication number
- JPS4912780B1 JPS4912780B1 JP44094017A JP9401769A JPS4912780B1 JP S4912780 B1 JPS4912780 B1 JP S4912780B1 JP 44094017 A JP44094017 A JP 44094017A JP 9401769 A JP9401769 A JP 9401769A JP S4912780 B1 JPS4912780 B1 JP S4912780B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
Landscapes
- Networks Using Active Elements (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77872868A | 1968-11-25 | 1968-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4912780B1 true JPS4912780B1 (ja) | 1974-03-27 |
Family
ID=25114246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44094017A Pending JPS4912780B1 (ja) | 1968-11-25 | 1969-11-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3633122A (ja) |
| JP (1) | JPS4912780B1 (ja) |
| BE (1) | BE742165A (ja) |
| FR (1) | FR2024177A1 (ja) |
| GB (1) | GB1227105A (ja) |
| SE (1) | SE346664B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3815012A (en) * | 1973-03-30 | 1974-06-04 | Gen Electric | Current transformer with active load termination for providing, inter alia, phase angle alteration |
| US7061310B2 (en) * | 2003-09-04 | 2006-06-13 | Kabushiki Kaisha Toshiba | All-pass filter circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439245A (en) * | 1945-06-02 | 1948-04-06 | Philco Corp | Resistance-capacitance type oscillator |
| US2774043A (en) * | 1953-03-03 | 1956-12-11 | Jr Oswald G Villard | Frequency selective apparatus |
| US3116460A (en) * | 1960-09-27 | 1963-12-31 | Charles H Nowlin | Frequency selective amplifier methods and circuits |
-
1968
- 1968-11-25 US US778728A patent/US3633122A/en not_active Expired - Lifetime
-
1969
- 1969-11-14 SE SE15652/69A patent/SE346664B/xx unknown
- 1969-11-18 GB GB1227105D patent/GB1227105A/en not_active Expired
- 1969-11-24 FR FR6940429A patent/FR2024177A1/fr not_active Withdrawn
- 1969-11-25 JP JP44094017A patent/JPS4912780B1/ja active Pending
- 1969-11-25 BE BE742165D patent/BE742165A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE346664B (ja) | 1972-07-10 |
| DE1958140B2 (de) | 1972-06-22 |
| DE1958140A1 (de) | 1970-05-27 |
| GB1227105A (ja) | 1971-04-07 |
| FR2024177A1 (ja) | 1970-08-28 |
| BE742165A (ja) | 1970-05-04 |
| US3633122A (en) | 1972-01-04 |