NL193174A - - Google Patents

Info

Publication number
NL193174A
NL193174A NL193174DA NL193174A NL 193174 A NL193174 A NL 193174A NL 193174D A NL193174D A NL 193174DA NL 193174 A NL193174 A NL 193174A
Authority
NL
Netherlands
Application number
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.)
Publication of NL193174A publication Critical patent/NL193174A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00Automatic control of voltage, current, or power
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/46Volume control
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Toys (AREA)
NL193174D 1954-12-13 NL193174A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL337573X 1954-12-13

Publications (1)

Publication Number Publication Date
NL193174A true NL193174A (xx)

Family

ID=19784593

Family Applications (2)

Application Number Title Priority Date Filing Date
NL193174D NL193174A (xx) 1954-12-13
NL107295D NL107295C (xx) 1954-12-13

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL107295D NL107295C (xx) 1954-12-13

Country Status (7)

Country Link
JP (1) JPS335064B1 (xx)
BE (1) BE543553A (xx)
CH (1) CH337573A (xx)
DE (1) DE1046100B (xx)
FR (1) FR1144663A (xx)
GB (1) GB828688A (xx)
NL (2) NL107295C (xx)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
BE543553A (xx)
GB828688A (en) 1960-02-24
NL107295C (xx)
CH337573A (de) 1959-04-15
DE1046100B (de) 1958-12-11
FR1144663A (fr) 1957-10-16
JPS335064B1 (xx) 1968-07-08

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