Wireless telephone

Details Wireless telephone Wireless telephone

1992-03-23

1994-08-30

Chin, Stephen

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 61, 379 63, 379361, 379418, H04M 1100, H04M 100, H04M 300

Patent

active

053435109

ABSTRACT:
A wireless telephone has a function of monitor-outputting an operation sound as an operation key is pressed. The wireless telephone can be operated in one of three modes, namely, none push-tone output mode, normal push-tone output mode and prolonged push-tone output mode. The operation sound is generated as an user selects a certain output mode by pressing the operation key. Monitor outputs from a speaker of tile wireless telephone vary with tile output mode. Specifically, a single sound is output from the speaker if the none push-tone output mode is selected. The push-tone is output from the speaker if the normal or prolonged push-tone output mode is selected. In the normal push-tone output mode, tile push-tone is output for a constant predetermined period of time (for example, 100 msec). In the prolonged push-tone output mode, the push-tone is output for a period of time as the operation key is kept pressed. However, if the key pressing period of time is 150 msec or less, for example, the push-tone generating period is prolonged to 150 msec.

REFERENCES:
patent: 4571462 (1986-02-01), Janssen
patent: 4595795 (1986-06-01), Endo
patent: 4922527 (1990-05-01), Nonami
patent: 4924511 (1990-05-01), Burns et al.
patent: 5128991 (1992-07-01), Murata

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