JPS505062A - - Google Patents
Info
- Publication number
- JPS505062A JPS505062A JP48044632A JP4463273A JPS505062A JP S505062 A JPS505062 A JP S505062A JP 48044632 A JP48044632 A JP 48044632A JP 4463273 A JP4463273 A JP 4463273A JP S505062 A JPS505062 A JP S505062A
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
- H03G7/005—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using discontinuously variable devices, e.g. switch-operated
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Manipulation Of Pulses (AREA)
- Recording Measured Values (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7214006A FR2181184A6 (US07534539-20090519-C00280.png) | 1972-04-20 | 1972-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS505062A true JPS505062A (US07534539-20090519-C00280.png) | 1975-01-20 |
Family
ID=9097229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48044632A Pending JPS505062A (US07534539-20090519-C00280.png) | 1972-04-20 | 1973-04-19 |
Country Status (7)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51141560U (US07534539-20090519-C00280.png) * | 1975-05-08 | 1976-11-15 | ||
| JPS5290055U (US07534539-20090519-C00280.png) * | 1975-12-27 | 1977-07-05 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4040001A (en) * | 1972-01-19 | 1977-08-02 | Schlumberger Technology Corporation | Acoustic well logging with threshold adjustment |
| US4066977A (en) * | 1976-03-30 | 1978-01-03 | E-Systems, Inc. | Digitized AGC amplifier with gain hysteresis circuit |
| US4140994A (en) * | 1977-11-02 | 1979-02-20 | Dresser Industries, Inc. | Method and apparatus for acoustic well logging of earth boreholes |
| US4344158A (en) * | 1979-04-27 | 1982-08-10 | Western Geophysical Co. Of America | Noise-suppression method |
| US4581725A (en) * | 1982-07-21 | 1986-04-08 | Mobil Oil Corporation | Method and system for gain selection |
| GB8701365D0 (en) * | 1987-01-22 | 1987-02-25 | Thomas L D | Signal level control |
| DE4017444A1 (de) * | 1990-05-30 | 1991-12-12 | Henkel Kgaa | Broeselmasse zum abdichten von kabelmuffen |
| FI90166C (fi) * | 1991-10-16 | 1993-12-27 | Nokia Mobile Phones Ltd | Cmos-kompander |
| TW201218621A (en) * | 2010-10-29 | 2012-05-01 | Anpec Electronics Corp | Device and method for signal amplification |
| MX361205B (es) | 2013-12-30 | 2018-11-30 | Halliburton Energy Services Inc | Algoritmo híbrido de ajuste de amplitud para herramientas de adquisición de registros de resistividad. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3525948A (en) * | 1966-03-25 | 1970-08-25 | Sds Data Systems Inc | Seismic amplifiers |
| US3315223A (en) * | 1966-06-10 | 1967-04-18 | Exxon Production Research Co | Digital seismic recording |
| US3539936A (en) * | 1968-02-09 | 1970-11-10 | Du Pont | Automatic range changing circuit |
| US3683284A (en) * | 1968-06-25 | 1972-08-08 | Picker Corp | Pulse height analyzer |
| US3629720A (en) * | 1970-03-12 | 1971-12-21 | Canadian Patents Dev | Digitally controlled variable-gain linear dc amplifier |
-
1972
- 1972-04-20 FR FR7214006A patent/FR2181184A6/fr not_active Expired
-
1973
- 1973-04-02 GB GB1574773A patent/GB1432237A/en not_active Expired
- 1973-04-16 US US00351560A patent/US3828262A/en not_active Expired - Lifetime
- 1973-04-16 CA CA169,003A patent/CA985750A/en not_active Expired
- 1973-04-19 JP JP48044632A patent/JPS505062A/ja active Pending
- 1973-04-19 DE DE2320110A patent/DE2320110A1/de not_active Withdrawn
- 1973-04-19 NL NL7305528A patent/NL7305528A/xx not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51141560U (US07534539-20090519-C00280.png) * | 1975-05-08 | 1976-11-15 | ||
| JPS5290055U (US07534539-20090519-C00280.png) * | 1975-12-27 | 1977-07-05 | ||
| JPS5821039Y2 (ja) * | 1975-12-27 | 1983-05-02 | 株式会社島津製作所 | ２ センシキデンソウキ |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7305528A (US07534539-20090519-C00280.png) | 1973-10-23 |
| DE2320110A1 (de) | 1973-10-25 |
| FR2181184A6 (US07534539-20090519-C00280.png) | 1973-11-30 |
| GB1432237A (en) | 1976-04-14 |
| CA985750A (en) | 1976-03-16 |
| US3828262A (en) | 1974-08-06 |
