JPS6372762U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a block diagram of a DAD player according to this invention, Fig. 2 is a flowchart for explanation, Fig. 3 is another embodiment of the timer section, and Fig. 4 is a block diagram of a conventional DAD player. . 1: tray, 2: disk, 5: first operation key, 8: second operation key, 11: third operation key, 12: open switch.

Claims (1)

[Claim for Utility Model Registration] A tray that opens when a disc is loaded and is retracted and closed when playing a disc, an open switch that sends a signal indicating that the tray is completely open, and a tray feeding mechanism that drives the tray. , a first operation key for opening and closing the tray, a second operation key for setting the standby state for disc playback, and a preset position in the playback signal to send out a play end signal. A performance end determination circuit, a switch circuit for keeping a first operation key or a second operation key pressed in response to a performance end signal, and a switch circuit for determining which of the first and second operation keys should be kept pressed. It includes a third operation key to be reserved and an identification circuit that instructs the switch circuit to perform a switch operation based on the reservation of the third operation key, and when the open switch is turned from on to off, the tray feeding mechanism is activated. In a DAD player configured to operate and close the tray, a switch circuit configured to turn off the open switch signal after a preset time has elapsed after the open switch is turned on is provided. A DAD player characterized by: