Radiotelephone with easily accessible feature activation

Details Radiotelephone with easily accessible feature activation Radiotelephone with easily accessible feature activation

1995-03-16

1996-07-30

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

379 59, 379 70, H04B 140

Patent

active

055421032

ABSTRACT:
The dual function switch of the present invention allows a radiotelephone user to enable or disable a feature of the radiotelephone while a call is being received and before it is answered. Before the call is received and after it is answered, the switch is a volume key. Otherwise, if the key is depressed twice (105), a feature or menu of features is displayed (109). When the call is answered, the displayed feature is activated (112).

REFERENCES:
patent: 4385204 (1983-05-01), Wine
patent: 4647722 (1987-03-01), Nishida et al.
patent: 4716576 (1987-12-01), Sakai et al.
patent: 4875229 (1989-10-01), Palett et al.
patent: 4903289 (1990-02-01), Hashimoto
patent: 5023936 (1991-06-01), Szczutkowski et al.
patent: 5058150 (1991-10-01), Kang
patent: 5073928 (1991-12-01), Shimanuki
patent: 5201068 (1993-04-01), Kawashima

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