Wireless call system
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United States of America Patent
Stats
-
Apr 1, 2008
Grant Date -
Dec 5, 2002
app pub date -
Aug 22, 2001
filing date -
May 31, 2001
priority date (Note) -
Expired
status (Latency Note)
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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.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- FOLIO CO., LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Yamagishi, Junichi | Tokyo, JP | 59 | 1115 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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