Portable telephone set capable of being put in a holding mode by

Details Portable telephone set capable of being put in a holding mode by Portable telephone set capable of being put in a holding mode by

1996-04-26

1999-02-02

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455 313, 455426, 455 111, 34082544, 370315, H04Q 720

Patent

active

058677968

ABSTRACT:
A vibration unit is for use in combination with a portable telephone apparatus having a holding mode in which connection is held between the portable telephone apparatus and a base station assigned to the portable telephone apparatus. The portable telephone apparatus transmits a reception information signal in response to reception of an incoming call signal directed to the portable telephone apparatus. Supplied with the reception information signal, the vibration unit makes a vibrator vibrate to announce reception of the incoming call signal to a user of the portable telephone apparatus. When operated by the user, a holding switch produces a switch operation signal. In response to the switch operation signal, a unit control section controls to make a unit radio section transmit a holding indication signal towards the portable telephone apparatus. Supplied with the holding indication signal, the portable telephone apparatus is put in the holding mode.

REFERENCES:
patent: 4421953 (1983-12-01), Zielinski
patent: 4659878 (1987-04-01), Dinkins
patent: 4906989 (1990-03-01), Kasugai
patent: 5140626 (1992-08-01), Ory
patent: 5311570 (1994-05-01), Grimes et al.
patent: 5315636 (1994-05-01), Patel
patent: 5375161 (1994-12-01), Fuller et al.
patent: 5404391 (1995-04-01), Wavroch
patent: 5428663 (1995-06-01), Grimes et al.
patent: 5442814 (1995-08-01), Seo

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