photochopperとは 意味・読み方・使い方

名詞

photochopper (複数形 photochoppers)

1. (electronics) An optoelectronic device that converts a DC input signal into a higher frequency signal.
   • 1963, Space/aeronautics - Volume 40, page 98:

     A typical photochopper circuit is made up of two neon bulbs electrically connected in the form of a relaxation oscillator (Fig. 5).

   • 1966, Richard F. Shea, Amplifier handbook, page 18-66:

     ... the isolation between the bulb and photochopper must be 170 db.

   • 1998, R. Baudo, Gianni Tartari, & M. Munawar, Top of the world environmental research:

     Electric pulses with a frequency proportional to the angular velocity of the cups are obtained by means of radial magnets on the rotor axis and fixed transducers or by means of a photochopper.