|
US2754452A
(en)
*
|
|
1956-07-10 |
|
Headlight dimmer system |
|
US2455899A
(en)
*
|
1943-11-18 |
1948-12-07 |
Farnsworth Res Corp |
Automatic signal level control
|
|
US2418574A
(en)
*
|
1943-12-20 |
1947-04-08 |
Farnsworth Television & Radio |
Electron multiplier
|
|
US2431507A
(en)
*
|
1944-04-03 |
1947-11-25 |
Farnsworth Res Corp |
Electron multiplier
|
|
US2531951A
(en)
*
|
1944-08-02 |
1950-11-28 |
W I Westervelt |
Interference reducing method of secret communication
|
|
US2431510A
(en)
*
|
1944-09-29 |
1947-11-25 |
Farnsworth Res Corp |
Photocell multiplier apparatus
|
|
US2564572A
(en)
*
|
1946-10-31 |
1951-08-14 |
Rca Corp |
Gain control system for facsimile scanning
|
|
BE481473A
(en:Method)
*
|
1947-03-27 |
|
|
|
|
US2542822A
(en)
*
|
1947-09-27 |
1951-02-20 |
Westinghouse Electric Corp |
X-ray thickness gauge
|
|
US2565265A
(en)
*
|
1949-06-30 |
1951-08-21 |
Dow Chemical Co |
Stabilized electrooptical system
|
|
US2663758A
(en)
*
|
1951-03-01 |
1953-12-22 |
Intelligent Machines Res Corp |
Apparatus for reading
|
|
DE1045004B
(de)
*
|
1954-11-24 |
1958-11-27 |
Gasaccumulator Svenska Ab |
Photoelektrisches Geraet mit einer Roehre, die eine Photokathode und mindestens eine Anode enthaelt
|
|
US3179801A
(en)
*
|
1958-09-23 |
1965-04-20 |
Serge A Scherbatskoy |
Stabilized scintillation detector system with comparison light pulses of constant amplitude to control the sensitivity of the system
|
|
US3170032A
(en)
*
|
1961-06-22 |
1965-02-16 |
Dick Co Ab |
Facsimile-scanner with a.g.c. of output signal by multiplication of low and high definition signals
|
|
US3218460A
(en)
*
|
1962-03-26 |
1965-11-16 |
Serge A Scherbatskoy |
Stabilized scintillation counter using photomultiplier
|
|
US3243588A
(en)
*
|
1962-08-17 |
1966-03-29 |
Serge A Scherbatskoy |
Scintillation detector system using a white light as a standard to stabilize the system
|
|
US3337737A
(en)
*
|
1963-04-10 |
1967-08-22 |
Itt |
Multiplier phototube with calibrating electron beam
|
|
FR1474002A
(fr)
*
|
1966-01-17 |
1967-03-24 |
Radiotechnique Coprim |
Photomultiplicateur à structure collectrice améliorée
|
|
CN110828277A
(zh)
*
|
2019-11-13 |
2020-02-21 |
上海裕达实业有限公司 |
集成式倍增检测装置
|