GLEN SCHAFF
Broker in Brookline, MA

License number
Massachusetts 9048727
Issued Date
Sep 4, 2002
Expiration Date
Mar 18, 2005
Type
Salesperson
Address
Address
Brookline, MA 02446

Professional information

Glen Schaff Photo 1

Passive Watchdog Method And Apparatus

US Patent:
2007000, Jan 4, 2007
Filed:
Jun 7, 2006
Appl. No.:
11/448604
Inventors:
Glen Schaff - Brookline MA, US
Eric Louis - N. Chelmsford MA, US
Assignee:
VideogeniX - Brookline MA
International Classification:
G06F 15/173
US Classification:
709224000
Abstract:
A method of correcting a lockup error condition of a device includes a watchdog apparatus receiving an indication of activity from the device. The method also includes making a determination, from the indication of activity, whether the device is in a lockup condition. The method also includes interrupting power to the device with the watchdog apparatus if the determination is that the device is in the lockup condition. The watchdog apparatus includes a power input port for receiving power from a power source, a power output port for providing power to the device, and an activity port for receiving an indication of activity from the device. The watchdog apparatus makes a determination, from the indication of activity, whether the device is in a lockup condition, and interrupts the power provided to the device if the determination is that the device is in the lockup condition.


Glen Schaff Photo 2

Video-Monitor/Recording/Playback System

US Patent:
8117252, Feb 14, 2012
Filed:
Dec 24, 2003
Appl. No.:
10/746171
Inventors:
Glen D. Schaff - Brookline MA, US
International Classification:
G06F 15/16
US Classification:
709200, 709202, 382118, 382100, 725105
Abstract:
The invention relates to a stand-alone video recording, playback and Monitoring system. It has network switches, non-volatile storage devices, IP cameras, video servers, and NTSC cameras. The system uses communication channels that are WAN/LAN based and can be hard-wired or wireless.


Glen Schaff Photo 3

Video-Monitor/Recording/Playback System

US Patent:
2012023, Sep 20, 2012
Filed:
Feb 10, 2012
Appl. No.:
13/371039
Inventors:
Glen D. Schaff - Brookline MA, US
International Classification:
H04N 7/18
US Classification:
348159, 348E07085
Abstract:
The invention relates to a stand-alone video recording, playback and Monitoring system. It has network switches, non-volatile storage devices, IP cameras, video servers, and NTSC cameras. The system uses communication channels that are WAN/LAN based and can be hard-wired or wireless.


Glen Schaff Photo 4

Monitoring System

US Patent:
2008000, Jan 3, 2008
Filed:
Mar 22, 2006
Appl. No.:
11/386386
Inventors:
Glen Schaff - Brookline MA, US
Eric Louis - N. Chelmsford MA, US
David Ovadia - Brookline MA, US
International Classification:
G06F 11/16
US Classification:
714048000, 714E11054
Abstract:
The invention relates to a stand-alone video recording, playback and Monitoring system. It has network switches, non-volatile storage devices, IP cameras, video servers, and NTSC cameras. The system uses communication channels that are WAN/LAN based and can be hard-wired or wireless and has a flexibly implemented watchdog to detect, for example, hardware and power failure as well as other failures in the system.