Portable radiotelephone with control switch disabling
First Claim
1. A portable radiotelephone apparatus having a keypad disposed on an outer surface and a movable element covering the keypad when placed in a first position and exposing the keypad when placed in a second position, the portable radiotelephone apparatus operating from a switchable power source and comprising:
- means for producing an on-hook condition in the portable radiotelephone apparatus if the movable element is in the first position and for producing an off-hook condition in the portable radiotelephone if the movable element is in the second position; and
means for preventing the switchable power source from being switched on or off if the portable radiotelephone apparatus is in said produced on-hook condition.
1 Assignment
0 Petitions
Accused Products
Abstract
A portable radiotelephone with control switch disabling is disclosed. A flip element which contains a microphone and covers a keypad and other control buttons when in a closed position also activates a hookswitch. When the hookswitch and microprocessor indicate that the flip element is in a closed position, the on/off switch cannot be activated to turn the portable radiotelephone on or off and switches which control volume level are deactivated.
167 Citations
19 Claims
-
1. A portable radiotelephone apparatus having a keypad disposed on an outer surface and a movable element covering the keypad when placed in a first position and exposing the keypad when placed in a second position, the portable radiotelephone apparatus operating from a switchable power source and comprising:
-
means for producing an on-hook condition in the portable radiotelephone apparatus if the movable element is in the first position and for producing an off-hook condition in the portable radiotelephone if the movable element is in the second position; and means for preventing the switchable power source from being switched on or off if the portable radiotelephone apparatus is in said produced on-hook condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A portable radiotelephone apparatus having a keypad disposed on an outer surface and a movable element covering the keypad when placed in a first position and exposing the keypad when placed in a second position, the portable radiotelephone apparatus operating from a switchable power source and comprising:
-
means for producing an on-hook condition in the portable radiotelephone apparatus if the movable element is in the first position and for producing an off-hook condition in the portable radiotelephone if the movable element is in the second position; and means for preventing adjustment of the acoustic volume of an acoustic transducer if the portable radiotelephone apparatus is in said produced on-hook condition. - View Dependent Claims (11, 12, 13)
-
-
14. A method of preventing spurious switch operation in a portable radiotelephone operating from a switchable power source and having a keypad disposed on the outer surface and a movable element covering the keypad when placed in a first position and exposing the keypad when placed in a second position, the method comprising the steps of:
-
producing an on-hook condition in the portable radiotelephone apparatus when the movable element is in the first position and producing an off-hook condition in the portable radiotelephone in when the movable element is in the second position; and preventing the switchable power source from being switched on or off when the portable radiotelephone is in said produced on-hook condition. - View Dependent Claims (15, 16, 17, 18, 19)
-
Specification