NL194945A - - Google Patents
Info
- Publication number
- NL194945A NL194945A NL194945DA NL194945A NL 194945 A NL194945 A NL 194945A NL 194945D A NL194945D A NL 194945DA NL 194945 A NL194945 A NL 194945A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL782337X | 1955-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL194945A true NL194945A (de) |
Family
ID=19832186
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL194945D NL194945A (de) | 1955-02-18 | ||
| NL104314D NL104314C (de) | 1955-02-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL104314D NL104314C (de) | 1955-02-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2948815A (de) |
| DE (1) | DE1041537B (de) |
| GB (1) | GB782337A (de) |
| NL (2) | NL104314C (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053985A (en) * | 1959-08-03 | 1962-09-11 | Eastman Kodak Co | Photocell circuits |
| US3127594A (en) * | 1960-09-15 | 1964-03-31 | Robert L Farr | Remote metering device |
| GB927993A (en) * | 1961-03-10 | 1963-06-06 | Emi Ltd | Improvements relating to non-linear electrical circuits |
| US3292095A (en) * | 1961-10-10 | 1966-12-13 | Westinghouse Canada Ltd | Complementary transistor amplifier including input impedance increasing feedback means |
| US3423594A (en) * | 1964-03-03 | 1969-01-21 | Anthony G Galopin | Photoelectric semiconductor device with optical fiber means coupling input signals to base |
| DE1212593B (de) * | 1964-07-29 | 1966-03-17 | Telefunken Patent | Photoverstaerker, bestehend aus der Kombination eines Phototransistors mit einem dazu komplementaeren Verstaerkertransistor |
| US3412293A (en) * | 1965-12-13 | 1968-11-19 | Honeywell Inc | Burner control apparatus with photodarlington flame detector |
| US3465158A (en) * | 1966-11-14 | 1969-09-02 | Bunker Ramo | Forward biased phototransistor with exposed base |
| US3523189A (en) * | 1968-05-23 | 1970-08-04 | Trw Inc | Light-sensitive circuit in which the effective load of a phototransistor is bootstrapped |
| JPS58143224A (ja) * | 1982-02-22 | 1983-08-25 | Fuji Electric Co Ltd | フオトセンサの受光強度測定回路 |
| US5262635A (en) * | 1991-11-20 | 1993-11-16 | Bio-Rad Laboratories, Inc. | Techniques for correcting non-linearity in a photodetector using predefined calibration information |
| US5466954A (en) * | 1994-12-21 | 1995-11-14 | Honeywell Inc. | Shunt phototransistor with reverse bias protection |
| US5969399A (en) * | 1998-05-19 | 1999-10-19 | Hewlett-Packard Company | High gain current mode photo-sensor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB448421A (en) * | 1934-09-04 | 1936-06-04 | Alan Dower Blumlein | Improvements in and relating to thermionic valve circuits |
| DE713399C (de) * | 1936-09-18 | 1941-11-06 | Aeg | Lichtelektrisches Sekundaerelektronenrelais |
| DE875672C (de) * | 1944-12-19 | 1953-05-04 | Klangfilm Gmbh | Anordnung zur Ankopplung einer Fotozelle an einen Verstaerker |
| US2701309A (en) * | 1948-12-24 | 1955-02-01 | Bell Telephone Labor Inc | Semiconductor oscillation generator |
| US2544211A (en) * | 1949-05-18 | 1951-03-06 | Rca Corp | Variable impedance device |
| GB697851A (en) * | 1950-06-06 | 1953-09-30 | British Thomson Houston Co Ltd | Improvements relating to the utilisation of the photo-electric effect in semi-conductors |
| US2579336A (en) * | 1950-09-15 | 1951-12-18 | Bell Telephone Labor Inc | Stabilized transistor trigger circuit |
| US2811590A (en) * | 1953-03-02 | 1957-10-29 | Motorola Inc | Series-energized cascade transistor amplifier |
| US2862109A (en) * | 1954-08-11 | 1958-11-25 | Westinghouse Electric Corp | Phototransistor light detector |
| NL201086A (de) * | 1954-10-11 | |||
| US2820855A (en) * | 1955-07-07 | 1958-01-21 | Gen Precision Lab Inc | High impedance transistor amplifier |
| US2816283A (en) * | 1956-03-30 | 1957-12-10 | Rca Corp | Semiconductor null detector |
-
0
- NL NL194945D patent/NL194945A/xx unknown
- NL NL104314D patent/NL104314C/xx active
-
1956
- 1956-01-23 US US560598A patent/US2948815A/en not_active Expired - Lifetime
- 1956-02-15 GB GB4742/56A patent/GB782337A/en not_active Expired
- 1956-02-15 DE DEN11845A patent/DE1041537B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1041537B (de) | 1958-10-23 |
| GB782337A (en) | 1957-09-04 |
| US2948815A (en) | 1960-08-09 |
| NL104314C (de) |