BE827973A - Circuits de commande a courant alternatif - Google Patents

Circuits de commande a courant alternatif

Info

Publication number
BE827973A
BE827973A BE2054273A BE2054273A BE827973A BE 827973 A BE827973 A BE 827973A BE 2054273 A BE2054273 A BE 2054273A BE 2054273 A BE2054273 A BE 2054273A BE 827973 A BE827973 A BE 827973A
Authority
BE
Belgium
Prior art keywords
current control
control circuits
alternative current
alternative
circuits
Prior art date
Application number
BE2054273A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE827973A publication Critical patent/BE827973A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • 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
    • G05F1/44—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 semiconductor devices only
    • 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
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Hardware Design (AREA)
  • Bipolar Transistors (AREA)
  • Control Of Ac Motors In General (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Semiconductor Integrated Circuits (AREA)
BE2054273A 1974-04-16 1975-04-16 Circuits de commande a courant alternatif BE827973A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4295274A JPS57658B2 (xx) 1974-04-16 1974-04-16

Publications (1)

Publication Number Publication Date
BE827973A true BE827973A (fr) 1975-08-18

Family

ID=12650344

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054273A BE827973A (fr) 1974-04-16 1975-04-16 Circuits de commande a courant alternatif

Country Status (13)

Country Link
US (1) US4040081A (xx)
JP (1) JPS57658B2 (xx)
AT (1) AT374973B (xx)
BE (1) BE827973A (xx)
BR (1) BR7502315A (xx)
CA (1) CA1055115A (xx)
DE (1) DE2516758A1 (xx)
ES (1) ES436644A1 (xx)
FR (1) FR2268362B1 (xx)
GB (1) GB1500149A (xx)
IT (1) IT1037319B (xx)
NL (1) NL7504543A (xx)
SE (1) SE7504358L (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57658B2 (xx) * 1974-04-16 1982-01-07
US4855627A (en) * 1987-01-14 1989-08-08 Kabushiki Kaisha Toshiba Filter circuit
GB2204445B (en) * 1987-03-06 1991-04-24 Texas Instruments Ltd Semiconductor switch
US6145202A (en) 1998-03-10 2000-11-14 Kai U.S.A. Ltd. Opening and closing assisting mechansim for folding knife
US6338431B1 (en) 1999-04-19 2002-01-15 Kai U.S.A. Ltd. Locking knife blade with moving locking mechanism on blade
US6378214B1 (en) 1999-04-19 2002-04-30 Kai U.S.A. Ltd. Locking knife blade with moving locking mechanism on blade
US6701621B2 (en) 2002-05-08 2004-03-09 Charles L. Kain Releasable double locking knife
US20040154170A1 (en) * 2002-05-08 2004-08-12 Kain Charles L. Releasable double locking knife
CN1787896A (zh) 2003-02-06 2006-06-14 布克刀具股份有限公司 弹簧助力刀
US7302760B2 (en) * 2004-01-05 2007-12-04 Fiskar Brands, Inc. Folding knife with dual-action piston
US7681316B2 (en) * 2005-09-16 2010-03-23 Kai U.S.A., Ltd. Folding knife having a locking mechanism

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE547227A (xx) * 1955-04-21
NL242787A (xx) * 1958-09-05
NL274830A (xx) * 1961-04-12
US3289009A (en) * 1963-05-07 1966-11-29 Ibm Switching circuits employing surface potential controlled semiconductor devices
US3500141A (en) * 1964-10-13 1970-03-10 Ibm Transistor structure
US3397326A (en) * 1965-03-30 1968-08-13 Westinghouse Electric Corp Bipolar transistor with field effect biasing means
US3591430A (en) * 1968-11-14 1971-07-06 Philco Ford Corp Method for fabricating bipolar planar transistor having reduced minority carrier fringing
DE2211384A1 (de) * 1971-03-20 1972-11-30 Philips Nv Schaltungsanordnung mit mindestens einem strahlungsgespeisten Schaltungselement und Halbleiteranordnung zur Anwendung in einer derartigen Schaltungsanordnung
US3748500A (en) * 1971-12-22 1973-07-24 F Tam Multiple redundant power supply
US3755793A (en) * 1972-04-13 1973-08-28 Ibm Latent image memory with single-device cells of two types
JPS493583A (xx) * 1972-04-20 1974-01-12
JPS49131388A (xx) * 1973-04-18 1974-12-17
JPS5147583B2 (xx) * 1972-12-29 1976-12-15
JPS5147584B2 (xx) * 1972-12-29 1976-12-15
JPS57658B2 (xx) * 1974-04-16 1982-01-07

Also Published As

Publication number Publication date
AU8022175A (en) 1976-10-21
ES436644A1 (es) 1977-02-01
AT374973B (de) 1984-06-25
FR2268362A1 (xx) 1975-11-14
US4040081A (en) 1977-08-02
IT1037319B (it) 1979-11-10
CA1055115A (en) 1979-05-22
DE2516758A1 (de) 1975-10-30
NL7504543A (nl) 1975-10-20
BR7502315A (pt) 1976-02-17
ATA287175A (de) 1983-10-15
SE7504358L (sv) 1975-10-17
JPS50134163A (xx) 1975-10-24
GB1500149A (en) 1978-02-08
FR2268362B1 (xx) 1983-04-01
JPS57658B2 (xx) 1982-01-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SONY CORP.

Effective date: 19880430