| 
            
              US3126490A
              (en)
            
            *
            
           | 
           | 
          1964-03-24 | 
           | 
          High current pulse driver using darlington circuit  | 
        
        
          | 
            
              US2748041A
              (en)
            
            *
            
           | 
          1952-08-30 | 
          1956-05-29 | 
          Rca Corp | 
          Semiconductor devices and their manufacture 
        | 
        
        
          | 
            
              US2750453A
              (en)
            
            *
            
           | 
          1952-11-06 | 
          1956-06-12 | 
          Gen Electric | 
          Direct current amplifier 
        | 
        
        
          | 
            
              NL83838C
              (en:Method)
            
            *
            
           | 
          1952-12-01 | 
          1957-01-15 | 
           | 
           | 
        
        
          | 
            
              BE526156A
              (en:Method)
            
            *
            
           | 
          1953-02-02 | 
           | 
           | 
           | 
        
        
          | 
            
              BE527086A
              (en:Method)
            
            *
            
           | 
          1953-03-09 | 
           | 
           | 
           | 
        
        
          | 
            
              BE528756A
              (en:Method)
            
            *
            
           | 
          1953-05-11 | 
           | 
           | 
           | 
        
        
          | 
            
              US2759104A
              (en)
            
            *
            
           | 
          1953-05-20 | 
          1956-08-14 | 
          Nat Union Electric Corp | 
          Multivibrator oscillator generator 
        | 
        
        
          | 
            
              BE529256A
              (en:Method)
            
            *
            
           | 
          1953-06-01 | 
           | 
           | 
           | 
        
        
          | 
            
              NL91359C
              (en:Method)
            
            *
            
           | 
          1953-06-19 | 
           | 
           | 
           | 
        
        
          | 
            
              NL84563C
              (en:Method)
            
            *
            
           | 
          1953-08-18 | 
           | 
           | 
           | 
        
        
          | 
            
              BE532755A
              (en:Method)
            
            *
            
           | 
          1953-10-24 | 
           | 
           | 
           | 
        
        
          | 
            
              US2982918A
              (en)
            
            *
            
           | 
          1953-11-09 | 
          1961-05-02 | 
          Philips Corp | 
          Amplifying-circuit arrangement 
        | 
        
        
          | 
            
              US2919355A
              (en)
            
            *
            
           | 
          1953-12-31 | 
          1959-12-29 | 
          Sylvania Electric Prod | 
          Bi-stable transistor circuit 
        | 
        
        
          | 
            
              US2886748A
              (en)
            
            *
            
           | 
          1954-03-15 | 
          1959-05-12 | 
          Rca Corp | 
          Semiconductor devices 
        | 
        
        
          | 
            
              US2809304A
              (en)
            
            *
            
           | 
          1954-04-15 | 
          1957-10-08 | 
          Ibm | 
          Transistor circuits 
        | 
        
        
          | 
            
              US2900530A
              (en)
            
            *
            
           | 
          1954-04-16 | 
          1959-08-18 | 
          Vitro Corp Of America | 
          Transistor protection circuitry 
        | 
        
        
          | 
            
              US2913597A
              (en)
            
            *
            
           | 
          1954-04-20 | 
          1959-11-17 | 
          Westinghouse Electric Corp | 
          Single transistor full wave rectifier 
        | 
        
        
          | 
            
              US2805347A
              (en)
            
            *
            
           | 
          1954-05-27 | 
          1957-09-03 | 
          Bell Telephone Labor Inc | 
          Semiconductive devices 
        | 
        
        
          | 
            
              DE1021082B
              (de)
            
            *
            
           | 
          1954-06-02 | 
          1957-12-19 | 
          Siemens Ag | 
          Flaechentransistor mit fuenf Elektroden, die an fuenf abwechselnd aufeinanderfolgenden Halbleiterschichten vom n-Typ und p-Typ anliegen, deren zweite und vierte Schicht als Basisschichten dienen 
        | 
        
        
          | 
            
              US2889496A
              (en)
            
            *
            
           | 
          1954-07-09 | 
          1959-06-02 | 
          Honeywell Regulator Co | 
          Electrical control apparatus 
        | 
        
        
          | 
            
              US2887540A
              (en)
            
            *
            
           | 
          1954-09-20 | 
          1959-05-19 | 
          Rca Corp | 
          Temperature-compensated transistor biasing circuits 
        | 
        
        
          | 
            
              US2920189A
              (en)
            
            *
            
           | 
          1954-10-26 | 
          1960-01-05 | 
          Rca Corp | 
          Semiconductor signal translating circuit 
        | 
        
        
          | 
            
              US2816964A
              (en)
            
            *
            
           | 
          1954-10-27 | 
          1957-12-17 | 
          Rca Corp | 
          Stabilizing means for semi-conductor circuits 
        | 
        
        
          | 
            
              US2957993A
              (en)
            
            *
            
           | 
          1954-11-17 | 
          1960-10-25 | 
          Siemens Ag | 
          Control circuits for series connected semiconductors 
        | 
        
        
          | 
            
              US2967951A
              (en)
            
            *
            
           | 
          1955-01-17 | 
          1961-01-10 | 
          Philco Corp | 
          Direct-coupled transistor circuit 
        | 
        
        
          | 
            
              NL204073A
              (en:Method)
            
            *
            
           | 
          1955-02-01 | 
           | 
           | 
           | 
        
        
          | 
            
              US3030586A
              (en)
            
            *
            
           | 
          1955-02-18 | 
          1962-04-17 | 
          Philco Corp | 
          Transistor circuit 
        | 
        
        
          | 
            
              US2926267A
              (en)
            
            *
            
           | 
          1955-03-10 | 
          1960-02-23 | 
          Itt | 
          Direct-current transistor switching amplifier circuit 
        | 
        
        
          | 
            
              US2882353A
              (en)
            
            *
            
           | 
          1955-03-16 | 
          1959-04-14 | 
          Raytheon Mfg Co | 
          Series-parallel transistor circuits 
        | 
        
        
          | 
            
              US2892931A
              (en)
            
            *
            
           | 
          1955-03-25 | 
          1959-06-30 | 
          I D E A Inc | 
          Transistor radio apparatus 
        | 
        
        
          | 
            
              US2849626A
              (en)
            
            *
            
           | 
          1955-04-15 | 
          1958-08-26 | 
          Bell Telephone Labor Inc | 
          Monostable circuit 
        | 
        
        
          | 
            
              US2929939A
              (en)
            
            *
            
           | 
          1955-11-17 | 
          1960-03-22 | 
          Philco Corp | 
          Transistor amplifier 
        | 
        
        
          | 
            
              US2864904A
              (en)
            
            *
            
           | 
          1955-11-29 | 
          1958-12-16 | 
          Honeywell Regulator Co | 
          Semi-conductor circuit 
        | 
        
        
          | 
            
              US2925501A
              (en)
            
            *
            
           | 
          1956-01-20 | 
          1960-02-16 | 
          Texas Instruments Inc | 
          Discriminator circuit 
        | 
        
        
          | 
            
              US3015763A
              (en)
            
            *
            
           | 
          1956-03-08 | 
          1962-01-02 | 
          Hazeltine Research Inc | 
          Signal-translating device 
        | 
        
        
          | 
            
              US2967952A
              (en)
            
            *
            
           | 
          1956-04-25 | 
          1961-01-10 | 
          Shockley William | 
          Semiconductor shift register 
        | 
        
        
          | 
            
              GB843366A
              (en)
            
            *
            
           | 
          1956-10-20 | 
          1960-08-04 | 
          Svenska Relafabriken Ab | 
          Improvements in and relating to transistor amplifiers 
      | 
        
        
          | 
            
              US2947879A
              (en)
            
            *
            
           | 
          1956-10-30 | 
          1960-08-02 | 
          Ibm | 
          Transistor power inverter circuit 
        | 
        
        
          | 
            
              GB856430A
              (en)
            
            *
            
           | 
          1956-12-13 | 
          1960-12-14 | 
          Mullard Ltd | 
          Improvements in and relating to semi-conductive devices 
      | 
        
        
          | 
            
              US2927204A
              (en)
            
            *
            
           | 
          1957-01-22 | 
          1960-03-01 | 
          Hazeltine Research Inc | 
          Multiple unit transistor circuit with means for maintaining common zone at a fixed reference potential 
        | 
        
        
          | 
            
              US2898454A
              (en)
            
            *
            
           | 
          1957-01-22 | 
          1959-08-04 | 
          Hazeltine Research Inc | 
          Five zone composite transistor with common zone grounded to prevent interaction 
        | 
        
        
          | 
            
              US2929025A
              (en)
            
            *
            
           | 
          1957-01-22 | 
          1960-03-15 | 
          Hazeltine Research Inc | 
          Transistor signal-translating system 
        | 
        
        
          | 
            
              US3047733A
              (en)
            
            *
            
           | 
          1957-03-12 | 
          1962-07-31 | 
          Ibm | 
          Multiple output semiconductor logical device 
        | 
        
        
          | 
            
              US2936384A
              (en)
            
            *
            
           | 
          1957-04-12 | 
          1960-05-10 | 
          Hazeltine Research Inc | 
          Six junction transistor signaltranslating system 
        | 
        
        
          | 
            
              US2949543A
              (en)
            
            *
            
           | 
          1957-07-22 | 
          1960-08-16 | 
          Sperry Rand Corp | 
          Electronic amplifier 
        | 
        
        
          | 
            
              US2951991A
              (en)
            
            *
            
           | 
          1957-12-09 | 
          1960-09-06 | 
          Edward J Rickner | 
          Transistor servo amplifier 
        | 
        
        
          | 
            
              DE1130523B
              (de)
            
            *
            
           | 
          1958-01-22 | 
          1962-05-30 | 
          Siemens Ag | 
          Anordnung mit mindestens drei pnp-bzw. npn-Flaechentransistoren 
        | 
        
        
          | 
            
              US3049629A
              (en)
            
            *
            
           | 
          1958-02-11 | 
          1962-08-14 | 
          Honeywell Regulator Co | 
          Electrical pulse amplifying and reshape apparatus 
        | 
        
        
          | 
            
              US2985805A
              (en)
            
            *
            
           | 
          1958-03-05 | 
          1961-05-23 | 
          Rca Corp | 
          Semiconductor devices 
        | 
        
        
          | 
            
              US3082405A
              (en)
            
            *
            
           | 
          1958-10-15 | 
          1963-03-19 | 
          Richard J Hanak | 
          Electrical systems 
        | 
        
        
          | 
            
              US3092729A
              (en)
            
            *
            
           | 
          1958-11-03 | 
          1963-06-04 | 
          Control Data Corp | 
          Bi-level amplifier and control device 
        | 
        
        
          | 
            
              US3178633A
              (en)
            
            *
            
           | 
          1958-11-12 | 
          1965-04-13 | 
          Transitron Electronic Corp | 
          Semi-conductor circuit 
        | 
        
        
          | 
            
              US3051000A
              (en)
            
            *
            
           | 
          1959-01-28 | 
          1962-08-28 | 
          Miami Shipbuilding Corp | 
          Submergence measuring apparatus 
        | 
        
        
          | 
            
              GB945742A
              (en:Method)
            
            *
            
           | 
          1959-02-06 | 
           | 
          Texas Instruments Inc | 
           | 
        
        
          | 
            
              US3138721A
              (en)
            
            *
            
           | 
          1959-05-06 | 
          1964-06-23 | 
          Texas Instruments Inc | 
          Miniature semiconductor network diode and gate 
        | 
        
        
          | 
            
              US3029366A
              (en)
            
            *
            
           | 
          1959-04-22 | 
          1962-04-10 | 
          Sprague Electric Co | 
          Multiple semiconductor assembly 
        | 
        
        
          | 
            
              US3051933A
              (en)
            
            *
            
           | 
          1959-05-04 | 
          1962-08-28 | 
          Foxboro Co | 
          Electrically operated apparatus for remote measuring 
        | 
        
        
          | 
            
              GB958248A
              (en)
            
            *
            
           | 
          1959-05-06 | 
          1964-05-21 | 
          Texas Instruments Inc | 
          Semiconductor devices 
      | 
        
        
          | 
            
              US3109940A
              (en)
            
            *
            
           | 
          1959-05-21 | 
          1963-11-05 | 
          Allis Chalmers Mfg Co | 
          Compound cascade transistor switch having nonlinear resistance thermal runaway protection 
        | 
        
        
          | 
            
              US3097309A
              (en)
            
            *
            
           | 
          1959-06-02 | 
          1963-07-09 | 
          Clevite Corp | 
          Junction transistors used to approximate non-linear functions 
        | 
        
        
          | 
            
              US3018392A
              (en)
            
            *
            
           | 
          1959-07-02 | 
          1962-01-23 | 
          Gen Precision Inc | 
          Monostable multivibrator employing four zone semiconductive gate in series with at least a transistor 
        | 
        
        
          | 
            
              US3230398A
              (en)
            
            *
            
           | 
          1960-05-02 | 
          1966-01-18 | 
          Texas Instruments Inc | 
          Integrated structure semiconductor network forming bipolar field effect transistor 
        | 
        
        
          | 
            
              DE1225714B
              (de)
            
            *
            
           | 
          1960-08-26 | 
          1966-09-29 | 
          Charbonnages De France | 
          Transistorisiere Modulationsschaltung mit Vorverstaerker fuer die Modulationsspannung 
        | 
        
        
          | 
            
              US3173069A
              (en)
            
            *
            
           | 
          1961-02-15 | 
          1965-03-09 | 
          Westinghouse Electric Corp | 
          High gain transistor 
        | 
        
        
          | 
            
              US3142021A
              (en)
            
            *
            
           | 
          1961-02-27 | 
          1964-07-21 | 
          Westinghouse Electric Corp | 
          Monolithic semiconductor amplifier providing two amplifier stages 
        | 
        
        
          | 
            
              US3210561A
              (en)
            
            *
            
           | 
          1961-05-03 | 
          1965-10-05 | 
          Sylvania Electric Prod | 
          Compound transistor circuits 
        | 
        
        
          | 
            
              US3177414A
              (en)
            
            *
            
           | 
          1961-07-26 | 
          1965-04-06 | 
          Nippon Electric Co | 
          Device comprising a plurality of transistors 
        | 
        
        
          | 
            
              NL268355A
              (en:Method)
            
            *
            
           | 
          1961-08-17 | 
           | 
           | 
           | 
        
        
          | 
            
              US3209214A
              (en)
            
            *
            
           | 
          1961-09-25 | 
          1965-09-28 | 
          Westinghouse Electric Corp | 
          Monolithic universal logic element 
        | 
        
        
          | 
            
              US3237062A
              (en)
            
            *
            
           | 
          1961-10-20 | 
          1966-02-22 | 
          Westinghouse Electric Corp | 
          Monolithic semiconductor devices 
        | 
        
        
          | 
            
              US3218469A
              (en)
            
            *
            
           | 
          1962-02-13 | 
          1965-11-16 | 
          Westinghouse Electric Corp | 
          Monostable multivibrator in a single crystalline wafer 
        | 
        
        
          | 
            
              US3240288A
              (en)
            
            *
            
           | 
          1962-06-11 | 
          1966-03-15 | 
          Exxon Production Research Co | 
          Apparatus for seismic prospecting 
        | 
        
        
          | 
            
              NL297821A
              (en:Method)
            
            *
            
           | 
          1962-10-08 | 
           | 
           | 
           | 
        
        
          | 
            
              US3243732A
              (en)
            
            *
            
           | 
          1963-02-19 | 
          1966-03-29 | 
          Rca Corp | 
          Semiconductor circuits exhibiting nshaped transconductance characteristic utilizing unipolar field effect and bipolar transistors 
        | 
        
        
          | 
            
              GB1054513A
              (en:Method)
            
            *
            
           | 
          1963-03-21 | 
          1900-01-01 | 
           | 
           | 
        
        
          | 
            
              US3381143A
              (en)
            
            *
            
           | 
          1963-09-10 | 
          1968-04-30 | 
          Canadian Patents Dev | 
          Encapsulated anti-bounce switch circuit 
        | 
        
        
          | 
            
              US3178814A
              (en)
            
            *
            
           | 
          1963-09-11 | 
          1965-04-20 | 
          Craig J. Burnie | 
          Safety razor for receiving blades from a magazine 
        | 
        
        
          | 
            
              US3332028A
              (en)
            
            *
            
           | 
          1964-04-29 | 
          1967-07-18 | 
          Garrett Corp | 
          Dynamic bandpass filter amplifier having multiple feedback paths 
        | 
        
        
          | 
            
              US3446988A
              (en)
            
            *
            
           | 
          1964-12-25 | 
          1969-05-27 | 
          Honeywell Inc | 
          Transistorized safety switch 
        | 
        
        
          | 
            
              US3502935A
              (en)
            
            *
            
           | 
          1965-05-14 | 
          1970-03-24 | 
          Rca Corp | 
          Transistor deflection circuits 
        | 
        
        
          | 
            
              US3450978A
              (en)
            
            *
            
           | 
          1965-06-01 | 
          1969-06-17 | 
          Statham Instrument Inc | 
          Resistive bridge calibration circuit 
        | 
        
        
          | 
            
              US3449574A
              (en)
            
            *
            
           | 
          1965-11-12 | 
          1969-06-10 | 
          Westinghouse Electric Corp | 
          Semiconductor current pulse controller for regulating the exposure provided by an x-ray tube 
        | 
        
        
          | 
            
              US3445776A
              (en)
            
            *
            
           | 
          1966-12-19 | 
          1969-05-20 | 
          Rca Corp | 
          Phase splitting circuit for a direct coupled push-pull amplifier 
        | 
        
        
          | 
            
              US3388394A
              (en)
            
            *
            
           | 
          1967-02-13 | 
          1968-06-11 | 
          Air Force Usa | 
          Thin film range gated filter circuit 
        | 
        
        
          | 
            
              US3500140A
              (en)
            
            *
            
           | 
          1967-06-19 | 
          1970-03-10 | 
          Hitachi Ltd | 
          Multichannel integrated devices consisting of darlington circuits 
        | 
        
        
          | 
            
              US3629623A
              (en)
            
            *
            
           | 
          1968-11-01 | 
          1971-12-21 | 
          Nippon Denso Co | 
          Composite semiconductor device and semiconductor voltage regulator device for vehicles 
        | 
        
        
          | 
            
              US3601680A
              (en)
            
            *
            
           | 
          1969-04-01 | 
          1971-08-24 | 
          Robert W Beckwith | 
          Dc-to-dc converter 
        | 
        
        
          | 
            
              US3598902A
              (en)
            
            *
            
           | 
          1969-06-11 | 
          1971-08-10 | 
          Motorola Inc | 
          Gated differential gain control circuit for a television receiver 
        | 
        
        
          | 
            
              US3624454A
              (en)
            
            *
            
           | 
          1969-09-15 | 
          1971-11-30 | 
          Gen Motors Corp | 
          Mesa-type semiconductor device 
        | 
        
        
          | 
            
              US3657577A
              (en)
            
            *
            
           | 
          1971-04-23 | 
          1972-04-18 | 
          Matsushita Electronics Corp | 
          Synchronizing signal separating circuit 
        | 
        
        
          | 
            
              US3694670A
              (en)
            
            *
            
           | 
          1971-10-26 | 
          1972-09-26 | 
          Joseph M Marzolf | 
          Easily switched silicon controlled rectifier 
        | 
        
        
          | 
            
              US3829830A
              (en)
            
            *
            
           | 
          1972-03-16 | 
          1974-08-13 | 
          Hope Tronics Ltd | 
          Circuit for switching d. c. power 
        | 
        
        
          | 
            
              US3863135A
              (en)
            
            *
            
           | 
          1973-07-16 | 
          1975-01-28 | 
          Ibm | 
          Regulated Transformerless Power Supply 
        | 
        
        
          | 
            
              JPS5245176Y2
              (en:Method)
            
            *
            
           | 
          1973-09-19 | 
          1977-10-14 | 
           | 
           | 
        
        
          | 
            
              US3875539A
              (en)
            
            *
            
           | 
          1973-11-26 | 
          1975-04-01 | 
          Amp Inc | 
          High voltage ripple reduction circuit 
        | 
        
        
          | 
            
              US3978515A
              (en)
            
            *
            
           | 
          1974-04-26 | 
          1976-08-31 | 
          Bell Telephone Laboratories, Incorporated | 
          Integrated injection logic using oxide isolation 
        | 
        
        
          | 
            
              JPS5635260Y2
              (en:Method)
            
            *
            
           | 
          1975-01-23 | 
          1981-08-19 | 
           | 
           | 
        
        
          | 
            
              FR2299750A1
              (fr)
            
            *
            
           | 
          1975-01-31 | 
          1976-08-27 | 
          Vitte Jacky | 
          Dispositif de securite pour la 
        | 
        
        
          | 
            
              US4228405A
              (en)
            
            *
            
           | 
          1976-09-10 | 
          1980-10-14 | 
          Vrl Growth Associates, Incorporated | 
          Load activated normally quiescent waveform generator 
        | 
        
        
          | 
            
              US4155112A
              (en)
            
            *
            
           | 
          1977-06-06 | 
          1979-05-15 | 
          Motorola, Inc. | 
          Power supply circuitry 
        | 
        
        
          | 
            
              GB2030765B
              (en)
            
            *
            
           | 
          1978-10-02 | 
          1983-04-27 | 
          Lumenition Ltd | 
          Darlington transistor pairs 
      | 
        
        
          | 
            
              US4380795A
              (en)
            
            *
            
           | 
          1981-03-24 | 
          1983-04-19 | 
          The United States Of America As Represented By The United States Department Of Energy | 
          Base drive circuit for a four-terminal power Darlington 
        | 
        
        
          | 
            
              DE3123667C2
              (de)
            
            *
            
           | 
          1981-06-15 | 
          1985-04-18 | 
          Robert Bosch Gmbh, 7000 Stuttgart | 
          Darlington-Transistorschaltung 
        | 
        
        
          | 
            
              US5021856A
              (en)
            
            *
            
           | 
          1989-03-15 | 
          1991-06-04 | 
          Plessey Overseas Limited | 
          Universal cell for bipolar NPN and PNP transistors and resistive elements 
        | 
        
        
          | 
            
              US6271721B1
              (en)
            
            
            
           | 
          1999-06-23 | 
          2001-08-07 | 
          Christopher Trask | 
          Common-base transistor amplifiers with linearity augmentation 
        | 
        
        
          | 
            
              US6172563B1
              (en)
            
            
            
           | 
          1999-06-30 | 
          2001-01-09 | 
          Christopher Trask | 
          Lossless feedback transistor amplifiers with linearity augmentation 
        | 
        
        
          | 
            
              US6842075B2
              (en)
            
            *
            
           | 
          2001-06-06 | 
          2005-01-11 | 
          Anadigics, Inc. | 
          Gain block with stable internal bias from low-voltage power supply 
        | 
        
        
          | 
            
              US6753734B2
              (en)
            
            
            
           | 
          2001-06-06 | 
          2004-06-22 | 
          Anadigics, Inc. | 
          Multi-mode amplifier bias circuit 
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