JPH0377577U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a block diagram of a serial digital telemetry circuit showing an embodiment of this invention, Fig. 2 is a diagram showing partial operating waveforms of Fig. 1, and Fig. 3 is a block diagram of a conventional serial digital telemetry circuit. , FIG. 4 is a diagram showing partial operation waveforms of FIG. 3. In the figure, 1...data output terminal, 2...data input terminal, 3...shift register, 4...control circuit A, 5...first control input terminal, 6...second control signal input terminal , 7... Buffer circuits 1, 8...
Buffer circuits 2, 9...Third control signal input terminal, 10...Buffer circuits 3, 11...Control circuit B
It is. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] Data input terminal for inputting telemetry data,
a data output terminal that outputs the telemetry data; a shift register that is connected between the input terminal and the output terminal and controls data input/output; and a first control terminal of the two control terminals that controls the shift register. a control circuit A connected to the terminal, an input terminal for inputting a first input signal of the two input signals for controlling the control circuit A, and a second input signal of the two input signals for controlling the control circuit A; an input terminal for inputting the first input signal; a buffer circuit 1 connected between the input terminal for inputting the first input signal and the control circuit A;
a buffer circuit 2 connected between an input terminal for inputting the second input signal and the control circuit A; a second control terminal of the two control terminals for controlling the shift register and the buffer circuit 2; A serial digital telemetry circuit comprising a control circuit B between the serial digital telemetry circuit and the control circuit B.