JPS4973952A - - Google Patents
Info
- Publication number
- JPS4973952A JPS4973952A JP48110253A JP11025373A JPS4973952A JP S4973952 A JPS4973952 A JP S4973952A JP 48110253 A JP48110253 A JP 48110253A JP 11025373 A JP11025373 A JP 11025373A JP S4973952 A JPS4973952 A JP S4973952A
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
-
- 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
- G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
- G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29423972A | 1972-10-02 | 1972-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4973952A true JPS4973952A (forum.php) | 1974-07-17 |
| JPS547550B2 JPS547550B2 (forum.php) | 1979-04-07 |
Family
ID=23132502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11025373A Expired JPS547550B2 (forum.php) | 1972-10-02 | 1973-10-02 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3750007A (forum.php) |
| JP (1) | JPS547550B2 (forum.php) |
| BE (1) | BE805379A (forum.php) |
| CA (1) | CA973262A (forum.php) |
| DE (1) | DE2348514C3 (forum.php) |
| FR (1) | FR2201591B1 (forum.php) |
| GB (1) | GB1417213A (forum.php) |
| IT (1) | IT996759B (forum.php) |
| NL (1) | NL169129C (forum.php) |
| SE (1) | SE385531B (forum.php) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3375434A (en) * | 1965-05-06 | 1968-03-26 | Winsco Instr & Controls Compan | Constant current generator |
| US3423579A (en) * | 1965-09-03 | 1969-01-21 | Nasa | Electronic divider and multiplier using photocells |
| US3466572A (en) * | 1965-10-14 | 1969-09-09 | Automatic Elect Lab | Apparatus for regulating signals in response to their total root mean square value |
| US3668510A (en) * | 1970-01-19 | 1972-06-06 | Bell Telephone Labor Inc | Thermistor control circuit |
-
1972
- 1972-10-02 US US00294239A patent/US3750007A/en not_active Expired - Lifetime
-
1973
- 1973-04-25 CA CA169,514A patent/CA973262A/en not_active Expired
- 1973-09-18 SE SE7312703A patent/SE385531B/xx unknown
- 1973-09-27 DE DE2348514A patent/DE2348514C3/de not_active Expired
- 1973-09-27 BE BE136095A patent/BE805379A/xx unknown
- 1973-09-27 GB GB4520873A patent/GB1417213A/en not_active Expired
- 1973-09-28 IT IT69869/73A patent/IT996759B/it active
- 1973-09-28 NL NLAANVRAGE7313407,A patent/NL169129C/xx not_active IP Right Cessation
- 1973-10-01 FR FR7335065A patent/FR2201591B1/fr not_active Expired
- 1973-10-02 JP JP11025373A patent/JPS547550B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS547550B2 (forum.php) | 1979-04-07 |
| DE2348514B2 (de) | 1978-06-08 |
| CA973262A (en) | 1975-08-19 |
| FR2201591A1 (forum.php) | 1974-04-26 |
| AU6074573A (en) | 1975-03-27 |
| NL169129B (nl) | 1982-01-04 |
| IT996759B (it) | 1975-12-10 |
| FR2201591B1 (forum.php) | 1978-02-17 |
| GB1417213A (en) | 1975-12-10 |
| SE385531B (sv) | 1976-07-05 |
| BE805379A (fr) | 1974-01-16 |
| US3750007A (en) | 1973-07-31 |
| DE2348514A1 (de) | 1974-04-18 |
| NL169129C (nl) | 1982-06-01 |
| DE2348514C3 (de) | 1979-02-01 |
| NL7313407A (forum.php) | 1974-04-04 |