FR1582661A - - Google Patents
Info
- Publication number
- FR1582661A FR1582661A FR1582661DA FR1582661A FR 1582661 A FR1582661 A FR 1582661A FR 1582661D A FR1582661D A FR 1582661DA FR 1582661 A FR1582661 A FR 1582661A
- Authority
- FR
- France
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
- G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66314867A | 1967-08-24 | 1967-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1582661A true FR1582661A (https=) | 1969-10-03 |
Family
ID=24660667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1582661D Expired FR1582661A (https=) | 1967-08-24 | 1968-08-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3475601A (https=) |
| BE (1) | BE719671A (https=) |
| DE (1) | DE1774724A1 (https=) |
| FR (1) | FR1582661A (https=) |
| GB (1) | GB1242753A (https=) |
| NL (1) | NL160664C (https=) |
| SE (1) | SE346042B (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3601633A (en) * | 1969-06-17 | 1971-08-24 | Bendix Corp | Precision multiplier and dc to ac converter |
| FR2186127A5 (https=) * | 1972-05-25 | 1974-01-04 | France Etat | |
| US3906381A (en) * | 1974-01-24 | 1975-09-16 | Westinghouse Electric Corp | Integrator circuit and low frequency two phase oscillator incorporating same |
| US4166962A (en) * | 1977-08-26 | 1979-09-04 | Data General Corporation | Current mode D/A converter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193672A (en) * | 1960-03-28 | 1965-07-06 | Servomechanisms Inc | Solid state computer |
| US3215824A (en) * | 1961-12-26 | 1965-11-02 | Esso Products Res Company | Electronic circuit for arithmetic operations |
| US3292013A (en) * | 1964-09-24 | 1966-12-13 | Mithras Inc | Divider circuit providing quotient of amplitudes of pair of input signals |
| US3289102A (en) * | 1965-04-29 | 1966-11-29 | Bell Telephone Labor Inc | Variable frequency phase shift oscillator utilizing field-effect transistors |
-
1967
- 1967-08-24 US US663148A patent/US3475601A/en not_active Expired - Lifetime
-
1968
- 1968-08-14 SE SE10944/68A patent/SE346042B/xx unknown
- 1968-08-19 BE BE719671D patent/BE719671A/xx unknown
- 1968-08-20 GB GB39800/68A patent/GB1242753A/en not_active Expired
- 1968-08-22 DE DE19681774724 patent/DE1774724A1/de active Pending
- 1968-08-22 FR FR1582661D patent/FR1582661A/fr not_active Expired
- 1968-08-23 NL NL6812044.A patent/NL160664C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL160664B (nl) | 1979-06-15 |
| NL6812044A (https=) | 1969-02-26 |
| BE719671A (https=) | 1969-02-03 |
| US3475601A (en) | 1969-10-28 |
| SE346042B (https=) | 1972-06-19 |
| NL160664C (nl) | 1979-11-15 |
| GB1242753A (en) | 1971-08-11 |
| DE1774724A1 (de) | 1971-12-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |