JPS6261557U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a general view of the main body covered with a cover 4. FIG. FIG. 2 is a block diagram of the entire system. Table 1 is an example of matrix switch determination which serves as a reference for switch detection. 2...Telephone receiver, 3,3-A...Keyboard, 4...Cover, 5...Switch detection circuit, 6...Correct/incorrect determination circuit, 7...Correct number storage device, 8...Counter circuit, 9...
Positive number discrimination circuit, 10-A, 10-B...FM transceiver, 11...alarm device.

Amendment February 18, 1981 The brief description of the drawing is amended as follows. 15 from “Table 1 is” on page 7, line 14 of the specification
Delete up to "This is an example." in the first line.

Claims (1)

[Scope of claim for utility model registration] Number designation means such as a face or dial imitating a telephone, a number detection circuit to detect which number has been designated, and the number to be designated can be arbitrarily set. a number setting circuit; a number comparison circuit that compares a specified number with a set number; a correctness determination circuit that outputs a correct or incorrect signal according to the result of the number comparison circuit; and a correctness determination solution. a wireless communication means capable of simultaneously transmitting and receiving two-way communication in response to signals from the road; a cover that houses the above configuration in a telephone-like manner; 1. A telephone handling practice device, characterized in that it has a wireless communication means.