JPS593650U - Light receiving device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a connection diagram showing an example of a conventional optical transmitter, Fig. 2 is a connection diagram showing an example of a conventional optical receiver, Fig. 3 is an equivalent circuit of Fig. 2, and Fig. 4 is a connection diagram showing an example of a conventional optical receiver. A characteristic diagram showing a comparative comparison of the frequency characteristics of the device according to this invention, FIG. 5 is a configuration diagram showing one embodiment of this invention, FIG. 6 is an equivalent direction path of FIG. 5, and FIG. FIG. 8 is a block diagram showing an example of the configuration of the transmitting side of the wireless headphone system to which this invention is applied, FIG. 9 is a perspective view showing an example of the receiving side, and FIG. This figure is a block diagram showing a specific example of the electric circuit shown in FIG. 9, and FIG. 11 is a block diagram showing another specific example of the electric circuit shown in FIG. 15.21 and 61.62 are photodiodes, 16 is an operational amplifier, 24 is a field effect transistor, 27 is a transistor, and 63, 64.74 is an inverting amplifier. Figure 7 - Figure 8

Claims (1)

[Scope of utility model registration request] The device includes a light-receiving element that receives a signal transmitted using light as a medium, and an inverting amplifier that amplifies the output signal from the light-receiving element, and the inverting amplifier corrects deterioration in frequency characteristics caused by the light-receiving element. A light receiving device characterized by: