Wireless call system
First Claim
1. A wireless call system comprising:
- an outdoor unit installed on the outside of an entrance of a structure having a door lockable with lock means, for calling a resident in the structure; and
an indoor unit connected to the outdoor unit by radio, for informing the resident of the presence of a visitor upon receiving a signal from the outdoor unit and allowing the resident to answer the visitor through the outdoor unit, the outdoor unit having image pickup means for picking up an image of the visitor making a call with the outdoor unit, the indoor unit being portable and having display means for displaying the visitor'"'"'s image picked up by the image pickup means and unlock means for unlocking the lock means, the indoor unit being portable to an optional location and allowing, at the optional location, the resident to check the visitor displayed on the display means and, if necessary, unlock the lock means through the unlock means.
2 Assignments
0 Petitions
Accused Products
Abstract
A wireless call system enables even a bedridden person to easily answer a visitor. The wireless call system has an outdoor unit (3) installed on the outside of an entrance of a structure having a door (13) lockable with an electronic lock (15), for calling a resident in the structure, and an indoor unit (9) connected to the outdoor unit (3) by radio, for informing the resident of the presence of a visitor upon receiving a signal from the outdoor unit (3) and allowing the resident to answer the visitor through the outdoor unit (3). The outdoor unit (3) has an image pickup unit (23) for picking up an image of the visitor making a call with the outdoor unit (3). The indoor unit (9) is portable and has a display (53) for displaying the visitor'"'"'s image picked up by the image pickup unit (23) and control buttons (55) for unlocking the electronic lock (15) if necessary. The resident can carry the indoor unit (9) to an optional location, and at the location, check the visitor displayed on the display (53) and unlock the electronic lock (15) through the control buttons (55) after checking the visitor.
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Citations
24 Claims
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1. A wireless call system comprising:
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an outdoor unit installed on the outside of an entrance of a structure having a door lockable with lock means, for calling a resident in the structure; and
an indoor unit connected to the outdoor unit by radio, for informing the resident of the presence of a visitor upon receiving a signal from the outdoor unit and allowing the resident to answer the visitor through the outdoor unit, the outdoor unit having image pickup means for picking up an image of the visitor making a call with the outdoor unit, the indoor unit being portable and having display means for displaying the visitor'"'"'s image picked up by the image pickup means and unlock means for unlocking the lock means, the indoor unit being portable to an optional location and allowing, at the optional location, the resident to check the visitor displayed on the display means and, if necessary, unlock the lock means through the unlock means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification