JPS4968249A - - Google Patents
Info
- Publication number
- JPS4968249A JPS4968249A JP9975473A JP9975473A JPS4968249A JP S4968249 A JPS4968249 A JP S4968249A JP 9975473 A JP9975473 A JP 9975473A JP 9975473 A JP9975473 A JP 9975473A JP S4968249 A JPS4968249 A JP S4968249A
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
-
- 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
-
- 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
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7212293A NL7212293A (it) | 1972-09-09 | 1972-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4968249A true JPS4968249A (it) | 1974-07-02 |
| JPS5412619B2 JPS5412619B2 (it) | 1979-05-24 |
Family
ID=19816901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9975473A Expired JPS5412619B2 (it) | 1972-09-09 | 1973-09-06 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5412619B2 (it) |
| CA (1) | CA1015401A (it) |
| DE (1) | DE2342325A1 (it) |
| FR (1) | FR2199145B1 (it) |
| GB (1) | GB1444765A (it) |
| IT (1) | IT993882B (it) |
| NL (1) | NL7212293A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM383162U (en) * | 2009-12-16 | 2010-06-21 | Macroblock Inc | Analog multiplier |
-
1972
- 1972-09-09 NL NL7212293A patent/NL7212293A/xx unknown
-
1973
- 1973-08-22 DE DE19732342325 patent/DE2342325A1/de active Pending
- 1973-09-04 CA CA180,194A patent/CA1015401A/en not_active Expired
- 1973-09-04 FR FR7331851A patent/FR2199145B1/fr not_active Expired
- 1973-09-06 GB GB4192373A patent/GB1444765A/en not_active Expired
- 1973-09-06 JP JP9975473A patent/JPS5412619B2/ja not_active Expired
- 1973-09-06 IT IT2862173A patent/IT993882B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5412619B2 (it) | 1979-05-24 |
| CA1015401A (en) | 1977-08-09 |
| NL7212293A (it) | 1974-03-12 |
| DE2342325A1 (de) | 1974-03-21 |
| GB1444765A (en) | 1976-08-04 |
| IT993882B (it) | 1975-09-30 |
| FR2199145B1 (it) | 1978-11-10 |
| FR2199145A1 (it) | 1974-04-05 |
| AU6005073A (en) | 1975-03-06 |