FR945572A - Point contact negative electrical resistance - Google Patents

Point contact negative electrical resistance

Info

Publication number
FR945572A
FR945572A FR945572DA FR945572A FR 945572 A FR945572 A FR 945572A FR 945572D A FR945572D A FR 945572DA FR 945572 A FR945572 A FR 945572A
Authority
FR
France
Prior art keywords
electrical resistance
point contact
negative electrical
contact negative
point
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR945572A publication Critical patent/FR945572A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used
    • H04B3/18—Control of transmission; Equalising characterised by the negative-impedance network used wherein the network comprises semiconductor devices
    • 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
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/06—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • 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
    • H03F3/10—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes
    • H03F3/12—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes with Esaki diodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49014—Superconductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Ceramic Engineering (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Silicon Compounds (AREA)
FR945572D 1945-03-02 1947-04-22 Point contact negative electrical resistance Expired FR945572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580677A US2469569A (en) 1945-03-02 1945-03-02 Point contact negative resistance devices

Publications (1)

Publication Number Publication Date
FR945572A true FR945572A (en) 1949-05-09

Family

ID=24322077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945572D Expired FR945572A (en) 1945-03-02 1947-04-22 Point contact negative electrical resistance

Country Status (3)

Country Link
US (1) US2469569A (en)
FR (1) FR945572A (en)
GB (1) GB628287A (en)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL34436C (en) * 1945-04-20
NL70486C (en) * 1945-12-29
GB635690A (en) * 1946-07-31 1950-04-12 Gen Electric Co Ltd Improvements in and relating to crystal rectifiers
US2542115A (en) * 1948-01-30 1951-02-20 Fay C Brown Photosensitive device
US2586597A (en) * 1948-06-17 1952-02-19 Bell Telephone Labor Inc Oscillation generator
NL147713B (en) * 1948-07-23 Laing & Son Ltd John METHOD FOR PREPARING A PLASTIC MORTAR.
US2701309A (en) * 1948-12-24 1955-02-01 Bell Telephone Labor Inc Semiconductor oscillation generator
US2666977A (en) * 1948-12-31 1954-01-26 Bell Telephone Labor Inc Reversible semiconductor and method of making it
US2675474A (en) * 1949-05-14 1954-04-13 Rca Corp Two-terminal sine wave oscillator
US2707223A (en) * 1949-06-15 1955-04-26 Hans E Hollmann Electric resistor
US2713117A (en) * 1949-06-18 1955-07-12 Sylvania Electric Prod Heterodyne converter
US2686279A (en) * 1949-09-28 1954-08-10 Rca Corp Semiconductor device
US2662984A (en) * 1950-01-27 1953-12-15 Gen Electric Co Ltd Crystal contact device
US2683809A (en) * 1950-02-28 1954-07-13 Westinghouse Electric Corp Pulse generator
NL160163B (en) * 1950-03-31 Staley Mfg Co A E METHOD OF MANUFACTURE OF TABLETS.
US2622116A (en) * 1950-05-13 1952-12-16 Edward B Gregg Thermoelectric device
US2619414A (en) * 1950-05-25 1952-11-25 Bell Telephone Labor Inc Surface treatment of germanium circuit elements
US2666816A (en) * 1950-10-20 1954-01-19 Westinghouse Electric Corp Semiconductor amplifier
US2810106A (en) * 1950-11-16 1957-10-15 Bristol Company Precise measurement means for electrical networks
US2740940A (en) * 1950-12-08 1956-04-03 Bell Telephone Labor Inc High speed negative resistance
US2697268A (en) * 1950-12-30 1954-12-21 Sylvania Electric Prod Diode fabricating apparatus
US2735011A (en) * 1951-02-01 1956-02-14 Oscillating circuit
US2774052A (en) * 1951-04-06 1956-12-11 Stewart Warner Corp Mechanical assembly of electronic circuit components
DE1051341B (en) * 1952-03-03 1959-02-26 Ericsson Telefon Ab L M Crystal diode for centimeter or decimeter waves
US2713132A (en) * 1952-10-14 1955-07-12 Int Standard Electric Corp Electric rectifying devices employing semiconductors
US2737601A (en) * 1952-11-05 1956-03-06 Hughes Aircraft Co Semiconductor variable circuit
US2794917A (en) * 1953-01-27 1957-06-04 Bell Telephone Labor Inc High frequency negative resistance device
NL269212A (en) * 1953-07-28 1900-01-01
BE536485A (en) * 1954-03-18
US2983448A (en) * 1955-02-07 1961-05-09 Gen Precision Inc Trigonometric function generator
NL107361C (en) * 1955-04-22 1900-01-01
US2820855A (en) * 1955-07-07 1958-01-21 Gen Precision Lab Inc High impedance transistor amplifier
US2941094A (en) * 1956-12-20 1960-06-14 Abraham George Electrical amplifying circuit
US2885521A (en) * 1957-02-11 1959-05-05 Horizons Inc Non-linear electric resistor
US3055084A (en) * 1958-03-07 1962-09-25 Seci Method of making covered electrical resistors
US3078219A (en) * 1958-11-03 1963-02-19 Westinghouse Electric Corp Surface treatment of silicon carbide
NL251536A (en) * 1959-05-13
US3125725A (en) * 1959-07-20 1964-03-17 chang
US3156910A (en) * 1959-08-10 1964-11-10 James S Tarbutton Telemetering system
US3062970A (en) * 1959-09-24 1962-11-06 Rca Corp Converter circuits employing negative resistance elements
US3050684A (en) * 1959-10-05 1962-08-21 Nuclcar Corp Of America Self-powered semiconductor oscillators
US3135920A (en) * 1959-10-12 1964-06-02 Rca Corp Frequency controlled oscillator
US3112454A (en) * 1959-11-23 1963-11-26 Rca Corp Negative conductance amplifier
US3108233A (en) * 1959-11-27 1963-10-22 Rca Corp Apparatus for controlling negative conductance diodes
US3081436A (en) * 1959-12-15 1963-03-12 Gen Electric Negative resistance diode oscillator
US3134949A (en) * 1960-01-08 1964-05-26 Gen Electric Negative resistance frequency modulated oscillator
US3117281A (en) * 1960-05-17 1964-01-07 Gen Electric Tunnel diode oscillator and converter circuits
DE1252819B (en) * 1961-11-06 1967-10-26 Western Electric Company Incorporated, New York, N. Y. (V. St. A.) Solid-state electronic component
BE630360A (en) * 1962-03-30
US3283271A (en) * 1963-09-30 1966-11-01 Raytheon Co Notched semiconductor junction strain transducer
US3277405A (en) * 1963-09-30 1966-10-04 Raytheon Co Strain filter utilizing semiconductor device in mechanical oscillation
US3469208A (en) * 1965-02-27 1969-09-23 Hitachi Ltd Microwave solid-state oscillator device and a method for varying the oscillation frequency thereof
US3611068A (en) * 1970-05-20 1971-10-05 Matsushita Electric Ind Co Ltd Contactless pressure sensitive semiconductor switch

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE18579E (en) * 1932-08-23 Demodulator and method op demodulation
US1875397A (en) * 1932-09-06 shore
US1096142A (en) * 1912-11-09 1914-05-12 Gen Electric Ethereal-wave-responsive device.
US1328326A (en) * 1913-06-25 1920-01-20 Hewitt Peter Cooper Electric circuit
US1792781A (en) * 1925-02-19 1931-02-17 Erich F Huth G M B H Method of generating oscillations
US1810475A (en) * 1927-05-02 1931-06-16 Rca Corp Receiver
US1900018A (en) * 1928-03-28 1933-03-07 Lilienfeld Julius Edgar Device for controlling electric current
US1900045A (en) * 1931-05-13 1933-03-07 American Telephone & Telegraph Two-way negative resistance repeater
US2054757A (en) * 1933-08-24 1936-09-15 James Millen Piezoelectric filter
GB491603A (en) * 1937-03-12 1938-09-06 Siemens Ag Improvements in oscillatory circuits comprising negative resistance
GB551209A (en) * 1941-02-04 1943-02-12 Western Electric Co Rectifying contact detector systems for very short electric waves
US2402839A (en) * 1941-03-27 1946-06-25 Bell Telephone Labor Inc Electrical translating device utilizing silicon
US2294908A (en) * 1941-04-08 1942-09-08 Bell Telephone Labor Inc Electric wave system
US2360233A (en) * 1941-12-10 1944-10-10 Bell Telephone Labor Inc Thermistor as amplifier for low frequency signals
US2373624A (en) * 1943-01-27 1945-04-10 Bell Telephone Labor Inc Negative resistance loading

Also Published As

Publication number Publication date
GB628287A (en) 1949-08-25
US2469569A (en) 1949-05-10

Similar Documents

Publication Publication Date Title
FR945572A (en) Point contact negative electrical resistance
FR937584A (en) Electrical insulator
FR931542A (en) Electric switch
FR950939A (en) Electrical connection
CH262400A (en) Electric switch.
FR931633A (en) Advanced electrical jaw contact
FR935086A (en) Electric switch
FR923835A (en) Electrical resistance
FR925028A (en) Electrical resistance
FR927528A (en) Electric boiler
FR943364A (en) Electrical resistance
FR993930A (en) Electrical resistance
FR924514A (en) Electrical resistance
FR926155A (en) Electrical resistance
FR921205A (en) Electrical calculator
FR917693A (en) New electric heating element
FR906769A (en) Electrical resistance
FR57551E (en) Electric pulsometer
FR925897A (en) Advanced electrical resistance
FR914188A (en) Electric inhaler
FR938849A (en) Electric torch
FR935905A (en) Electric resistance heater
FR912610A (en) Double action electric stove
FR995424A (en) Electrical mercury contactor
FR925260A (en) Electrical resistance