BE509224A - - Google Patents
Info
- Publication number
- BE509224A BE509224A BE509224DA BE509224A BE 509224 A BE509224 A BE 509224A BE 509224D A BE509224D A BE 509224DA BE 509224 A BE509224 A BE 509224A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
- G05F1/42—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices discharge tubes only
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/18—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
- H03D1/10—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements of diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/36—DC amplifiers in which all stages are DC-coupled with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
- H04M1/745—Protection devices or circuits for voltages surges on the line
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US211212A US2714702A (en) | 1951-02-16 | 1951-02-16 | Circuits, including semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
BE509224A true BE509224A (pt) |
Family
ID=22785986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE509224D BE509224A (pt) | 1951-02-16 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2714702A (pt) |
JP (1) | JPS274624B2 (pt) |
BE (1) | BE509224A (pt) |
CH (1) | CH304855A (pt) |
FR (1) | FR1048373A (pt) |
GB (1) | GB697880A (pt) |
NL (1) | NL167481C (pt) |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899569A (en) * | 1959-08-11 | Diode circuits | ||
US3032703A (en) * | 1962-05-01 | lowrance | ||
US2854651A (en) * | 1953-06-30 | 1958-09-30 | Bell Telephone Labor Inc | Diode circuits |
GB770200A (en) * | 1953-07-24 | 1957-03-20 | Rca Corp | Temperature controlled semi-conductor bias circuit |
DE1016842B (de) * | 1953-12-21 | 1957-10-03 | Licentia Gmbh | Amplitudenbegrenzer fuer Wechselspannungen |
US2884544A (en) * | 1954-02-17 | 1959-04-28 | Philco Corp | Electrical circuits employing semiconductor devices |
BE536185A (pt) * | 1954-03-05 | 1900-01-01 | ||
US2992399A (en) * | 1954-09-17 | 1961-07-11 | Bell Telephone Labor Inc | Oscillator amplitude control |
US2964650A (en) * | 1954-12-08 | 1960-12-13 | Itt | Signal system including a diode limiter |
BE544125A (pt) * | 1955-01-03 | |||
US2840728A (en) * | 1955-04-26 | 1958-06-24 | Bell Telephone Labor Inc | Non-saturating transistor circuits |
US3030022A (en) * | 1955-05-05 | 1962-04-17 | Maxson Electronics Corp | Transistorized automatic gain control circuit |
US2910624A (en) * | 1955-05-09 | 1959-10-27 | Bendix Aviat Corp | Control circuit |
US2905835A (en) * | 1955-05-27 | 1959-09-22 | Teletype Corp | Transistor relay and signal shaping device |
US2965767A (en) * | 1955-07-15 | 1960-12-20 | Thompson Ramo Wooldridge Inc | Input circuits and matrices employing zener diodes as voltage breakdown gating elements |
US2850695A (en) * | 1955-08-03 | 1958-09-02 | Bell Telephone Labor Inc | Current supply apparatus for load voltage regulation |
US2918619A (en) * | 1955-10-17 | 1959-12-22 | Foxboro Co | Measuring apparatus |
US2886765A (en) * | 1955-10-20 | 1959-05-12 | Gen Motors Corp | Magnetic amplifier voltage regulator |
US2892101A (en) * | 1956-04-25 | 1959-06-23 | Westinghouse Electric Corp | Transistor time delay circuit |
US2914683A (en) * | 1956-08-06 | 1959-11-24 | Litton Ind Of California | Anti-ringing limiter |
US3036241A (en) * | 1956-11-23 | 1962-05-22 | Gen Electric | Voltage detection network |
US2876642A (en) * | 1956-11-28 | 1959-03-10 | Donald G Scorgie | High accuracy voltage reference |
US3025472A (en) * | 1956-12-11 | 1962-03-13 | Taber Instr Corp | Transistor amplifier with temperature compensation |
US2941094A (en) * | 1956-12-20 | 1960-06-14 | Abraham George | Electrical amplifying circuit |
US2964637A (en) * | 1957-03-07 | 1960-12-13 | Rca Corp | Dynamic bistable or control circuit |
US2964646A (en) * | 1957-03-07 | 1960-12-13 | Rca Corp | Dynamic bistable or control circuit |
NL98358C (pt) * | 1957-03-22 | |||
US2965855A (en) * | 1957-04-08 | 1960-12-20 | Bell Telephone Labor Inc | Electrical circuit |
US2956171A (en) * | 1957-04-22 | 1960-10-11 | Baldwin Piano Co | Electrical circuit |
US2924724A (en) * | 1957-04-24 | 1960-02-09 | Westinghouse Electric Corp | Time delay circuits |
US2989688A (en) * | 1957-06-05 | 1961-06-20 | Gen Motors Corp | Saturation permeability tuned transistor radio |
US2887591A (en) * | 1957-07-08 | 1959-05-19 | Video Instr Co Inc | Integral transducer amplifier system |
US3042851A (en) * | 1957-09-03 | 1962-07-03 | Emerson Electric Mfg Co | A.c. voltage regulating system |
US2955256A (en) * | 1957-09-04 | 1960-10-04 | Texas Instruments Inc | Constant current amplifier |
US3041544A (en) * | 1957-11-18 | 1962-06-26 | Rca Corp | Stabilized signal amplifier circuits employing transistors |
US2974279A (en) * | 1957-11-18 | 1961-03-07 | Daystrom Inc | Voltage compensated resistance bridge |
US3019351A (en) * | 1957-12-20 | 1962-01-30 | Ibm | Voltage level translating circuit using constant voltage portion of device characteristic |
US2997651A (en) * | 1958-01-10 | 1961-08-22 | Internat Telephone & Telegraph | Pulse amplitude measuring circuit |
US3020486A (en) * | 1958-01-30 | 1962-02-06 | Gen Electric | Cathode follower circuit having transistor feedback stabilization |
US2922960A (en) * | 1958-04-14 | 1960-01-26 | Gen Dynamics Corp | Frequency changing circuit |
US2979667A (en) * | 1958-05-01 | 1961-04-11 | Hughes Aircraft Co | Automatic volume control amplifier |
US3066229A (en) * | 1958-05-02 | 1962-11-27 | Gen Dynamics Corp | High voltage switching circuit |
US3005956A (en) * | 1958-06-26 | 1961-10-24 | Statham Instrument Inc | Current amplifier for low impedance outputs |
US2968739A (en) * | 1958-08-01 | 1961-01-17 | Motorola Inc | Transistor power supply |
GB925014A (en) * | 1958-09-03 | 1963-05-01 | Ass Elect Ind | Improvements relating to impedance protective systems |
US3049630A (en) * | 1958-10-23 | 1962-08-14 | Honeywell Regulator Co | Transformer-coupled pulse amplifier |
US3003115A (en) * | 1958-11-03 | 1961-10-03 | Westinghouse Electric Corp | Automatic gain control delay system |
US3064143A (en) * | 1958-12-11 | 1962-11-13 | Aircraft Radio Corp | Symmetrical clipping circuit with zener diode |
US3046418A (en) * | 1958-12-19 | 1962-07-24 | Honeywell Regulator Co | Electrical impedance monitoring apparatus |
US3051933A (en) * | 1959-05-04 | 1962-08-28 | Foxboro Co | Electrically operated apparatus for remote measuring |
US3040264A (en) * | 1959-05-29 | 1962-06-19 | Ibm | Transistorized amplifier |
US3059109A (en) * | 1959-09-11 | 1962-10-16 | Motorola Inc | Vehicle radio using zener diodes to both regulate and filter the bias voltage supply |
US3110863A (en) * | 1959-09-21 | 1963-11-12 | Vector Mfg Company | Phase modulation transmitter |
US3058006A (en) * | 1959-11-16 | 1962-10-09 | Ibm | Electrical power systems |
US3099802A (en) * | 1959-12-07 | 1963-07-30 | Westinghouse Electric Corp | D.c. coupled amplifier using complementary transistors |
US3049681A (en) * | 1960-01-18 | 1962-08-14 | Franz L Putzrath | High voltage coupling network |
US3080528A (en) * | 1960-04-21 | 1963-03-05 | Rca Corp | Transistor amplifier circuits utilizing a zener diode for stabilization |
US3113247A (en) * | 1960-07-05 | 1963-12-03 | Garrett Corp | Power failure sensor |
US3093783A (en) * | 1960-07-07 | 1963-06-11 | Marsland Engineering Ltd | Electronic circuits for comparing an a. c. voltage to a d. c. voltage |
US3040265A (en) * | 1960-07-18 | 1962-06-19 | Hewlett Packard Co | Transistor amplifiers having low input impedance |
US3133242A (en) * | 1960-10-28 | 1964-05-12 | Electronic Associates | Stabilized d. c. amplifier power supply |
US3118102A (en) * | 1960-12-14 | 1964-01-14 | Ledex Inc | Diode rectifier with overvoltage protection |
US3168709A (en) * | 1960-12-14 | 1965-02-02 | Honeywell Inc | Stabilized transistor difference amplifier |
NL301034A (pt) * | 1962-11-27 | |||
GB1074941A (en) * | 1963-01-16 | 1967-07-05 | Emi Ltd | Improvements relating to function generators |
US3478605A (en) * | 1964-10-22 | 1969-11-18 | Vernon H Siegel | Accelerometer and pickoff system |
US3486087A (en) * | 1967-08-30 | 1969-12-23 | Raytheon Co | Small capacity semiconductor diode |
US3780322A (en) * | 1971-07-15 | 1973-12-18 | Motorola Inc | Minimized temperature coefficient voltage standard means |
KR960015347B1 (ko) * | 1990-09-10 | 1996-11-09 | 후지쓰 가부시끼가이샤 | 반도체장치 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1325889A (en) * | 1919-12-23 | Protector for electric ceicuits | ||
US1741375A (en) * | 1928-09-24 | 1929-12-31 | American Telephone & Telegraph | Current-equalizing device |
BE495936A (pt) * | 1949-10-11 |
-
0
- BE BE509224D patent/BE509224A/xx unknown
- NL NL7009366.A patent/NL167481C/xx active
-
1951
- 1951-02-16 US US211212A patent/US2714702A/en not_active Expired - Lifetime
- 1951-06-19 JP JP801951A patent/JPS274624B2/ja not_active Expired
- 1951-06-26 GB GB15125/51A patent/GB697880A/en not_active Expired
- 1951-07-25 FR FR1048373D patent/FR1048373A/fr not_active Expired
-
1952
- 1952-02-15 CH CH304855D patent/CH304855A/de unknown
Also Published As
Publication number | Publication date |
---|---|
JPS274624B2 (pt) | 1952-11-10 |
US2714702A (en) | 1955-08-02 |
GB697880A (en) | 1953-09-30 |
FR1048373A (fr) | 1953-12-22 |
NL167481C (nl) | |
CH304855A (de) | 1955-01-31 |