US6466261B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door camera unit having a video memory
Assignee: Niles Parts Co Ltd
•
Filing: 1998-03-20
•
Granted: 2002-10-15
•
Expires: 2018-03-20
Abstract
Abstract A door camera unit with a video memory is provided. The camera unit is set so that its imaging direction is directed to a neighborhood of an entrance of a building. The camera unit is configured so that only necessary video images are recorded. When a visitor operates a chime switch, video images are recorded in memory. Video images are also recorded in memory when a human body is detected but the chime switch is not operated within a predetermined period of time.
Inventors
- 👤 Hiroshi Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:28
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/18; G08B13/189; G08B13/194; G08B13/196; G08B13/19665; G08B13/19671; G08B13/19673; G08B13/19634; G08B13/19669; H; H04; H04N; H04N7/00; H04N7/18; H04N7/183; H04N7/186
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
151 words
In combination, a door camera unit and an information inputting section, said door camera unit comprising: a video camera for receiving video signals; a video memory for storing said video signals; a controller for recording said video signals into said video memory; and means for recording a video image from said video signals in said video memory every time an information signal inputted from said information inputting section to said controller meets video recording execution conditions; and said information inputting section comprising a chime switch operated by a visitor and a human body detecting sensor for detecting access of said visitor; wherein said video recording execution conditions include recording said video signal in said video memory unless an operation signal is inputted to said controller from said chime switch in a predetermined period of time after a detection signal has been inputted to said controller from said human body detecting sensor.
Claim 2
Dependent Claim
151 words
In combination, a door camera unit and an information inputting section, said door camera unit comprising: a video camera for receiving video signals; a video memory for storing said video signals; a controller for recording said video signals into said video memory; and means for recording a video image from said video signals in said video memory every time an information signal inputted from said information inputting section to said controller meets video recording execution conditions; and said information inputting section comprising a chime switch operated by a visitor and a human body detecting sensor for detecting access of said visitor; wherein said video recording execution conditions include recording said video signal in said video memory unless an operation signal is inputted to said controller from said chime switch in a predetermined period of time after a detection signal has been inputted to said controller from said human body detecting sensor.
Claim 3
Dependent Claim
26 words
The combination according to claim 1 , wherein an imaging direction of said video camera is directed to a neighborhood of an entrance of a building.
References Cited (Backward Citations)
US4524384A
Cited
US4972494A
Cited
US5001557A
Cited
US5163094A
Cited
US5155474A
Cited
JPH05308638A
Cited
US5428388A
Cited
US5541639A
Cited
US5712830A
Cited
US5455625A
Cited
US5706388A
Cited
US5541585A
Cited
US5973867A
Cited
US5717379A
Cited
US5926209A
Cited
US5995139A
Cited
US5915069A
Cited
US5748081A
Cited
US5903321A
Cited
US5907352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-10-14 | 2006-04-15 | 2006-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-10-14 | 2010-04-15 | 2010-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-10-14 | 2014-04-15 | 2014-10-15 | $7700.00 | Window Closed / Lapsed |