Frederik N Staal

20060271966, Nov 30, 2006

Nov 21, 2005

11/284098

Frederik Staal - Brea CA, US
Robert Hawley - Tustin CA, US
Kelly Cameron - Irvine CA, US

H04N 7/20
H04N 7/18

725068000, 725063000, 725078000, 725080000

Digital packets, defined by a sync byte and then 130 MPEG2 compressed QPSK signal bytes, from a satellite transponder are reformatted prior to transmission to television receivers in apartments in a building wired to distribute video signals. A side byte between such sync and signal bytes in each packet indicates (a) any QPSK packet uncorrectable error and (b) processing information which allows automatic reconfiguration at the settop box. Additional FEC bytes correct to 8 errors within a MPEG2packet. The system removes the FEC bytes and reframes the MPEG2packets into a superpacket by converting a first number of the MPEG2packets to a second number of MPEG2packets. An added sync byte indicates the beginning of each such MPEG2packet. The system adds side data bytes including any uncorrectable errors in each MPEG2packet and adds a new, less complicated FEC to each MPEG2packet. The system modulates and upconverts the bytes in each MPEG2packet and passes them through a cable plant constructed to receive modulated QAM bytes (or NTSC signals) which are demodulated at the settop box. The additional FEC bytes correct to 8 errors within a MPEG2packet and are then removed. The superpacket is deframed to obtain the MPEG2packets. After finding a television channel, the side bytes are processed to determine the frequency location of the other channels in the apartment receivers and the existence of uncorrectable errors. The MPEG2bytes are decompressed and encoded to reproduce the television images in the apartment receivers.

20080021694, Jan 24, 2008

Dec 21, 2006

11/643132

Seiran Petikian - Irvine CA, US
Jay C. Proano - Thornton CO, US
Mark Goral - Aliso Viejo CA, US
Christian R. Wiher - Irvine CA, US
Frederik Nanoo Staal - Newport Beach CA, US

Broadcom Corporation, a California Corporation - Irvine CA

G06F 13/10

703 21

Virtual disk drive architecture. A novel approach is presented by which a virtual design system allows for the design, development, and testing of memory storage devices including hard disk drives (HDDs). A virtual disk drive architecture allows for the implementation and emulation of a full HDD system. All of the pieces of the HDD system (e.g., including both the read channel and the controller functionalities) are included and implemented to allow a designer to develop and test certain portions within the system. In some embodiments, one or more field programmable gate arrays (FPGAs) are employed to implement a hard drive (HD) controller in an all digital implementation. Various combinations including circuit boards and FPGAs can be employed to emulate an entire HDD system. In even other embodiments, one or more sockets, and appropriate interfacing, are included to allow the testing of actual chips within the virtual disk drive architecture.

20020038458, Mar 28, 2002

Mar 13, 2001

09/808373

Frederik Staal - Brea CA, US
Robert Hawley - Tustin CA, US
Kelly Cameron - Irvine CA, US

Broadcom Corporation

H04N007/20
H04N007/18

725/078000, 725/071000, 725/063000

Digital packets, defined by a sync byte and then 130 MPEG2 compressed QPSK signal bytes, from a satellite transponder are reformatted prior to transmission to television receivers in apartments in a building wired to distribute video signals. A side byte between such sync and signal bytes in each packet indicates (a) any QPSK packet uncorrectable error and (b) processing information which allows automatic reconfiguration at the settop box. Additional FEC bytes correct to 8 errors within a MPEG2packet. The system removes the FEC bytes and reframes the MPEG2packets into a superpacket by converting a first number of the MPEG2packets to a second number of MPEG2packets. An added sync byte indicates the beginning of each such MPEG2packet. The system adds side data bytes including any uncorrectable errors in each MPEG2packet and adds a new, less complicated FEC to each MPEG2packet. The system modulates and upconverts the bytes in each MPEG2packet and passes them through a cable plant constructed to receive modulated QAM bytes (or NTSC signals) which are demodulated at the settop box. The additional FEC bytes correct to 8 errors within a MPEG2packet and are then removed. The superpacket is deframed to obtain the MPEG2packets. After finding a television channel, the side bytes are processed to determine the frequency location of the other channels in the apartment receivers and the existence of uncorrectable errors. The MPEG2bytes are decompressed and encoded to reproduce the television images in the apartment receivers.