[54] MULTIPURPOSE COMPUTERIZED TELEVISION
[75] Inventors: Ronald B. Grdczyk, Round Rock;
James A. Glick, Granite Shoals;
Daniel K. Engberg, Cedar Park, all of
Tex.
[73] Assignee: Compuadd Corporation, Austin, Tex.
[21] Appl. No.: 691,377
[22] Filed: Apr. 25,1991
[51] Int. CI.' H04N 7/14; H04N 5/262
[52] U.S. CI 358/85; 358/183;
358/903
[58] Field of Search 358/903, 85, 183
[56] References Cited
U.S. PATENT DOCUMENTS
4,686,698 8/1987 Tompkins et al 379/53
4,710,917 12/1987 Tompkins et al 370/62
4,716,585 12/1987 Tompkins et al 379/202
4,748,618 5/1988 Brown et al 370/94
4,787,085 11/1988 Suto et al 370/110.1
4,864,562 9/1989 Murakami et al 370/84
4,907,267 3/1990 Gutzmer 379/442
4,947,257 8/1990 Fernandez et al 358/22
4,962,521 10/1990 Komatsu et al 379/53
5,068,650 11/1991 Fernandez et al 358/183
OTHER PUBLICATIONS
"DVI—A Digital Multimedia Technology", G. David Ripley, Communications of ACM, vol. 32, #7, Aug. 1989, pp. 811-822.
"Multimedia: The Next Frontier for Business?", Robin
Raskin, PC Magazine, Aug. 1990, pp. 151-192.
"Commodore Sets Course for Multimedia", Bob Ryan,
BYTE, May 1990, pp. 122-125.
"The Integrated Automated Educated House", V.
Elaine Gilmore, Popular Science, Jun. 1980, pp. 104-107.
"The Pioneering Amiga", Sheldon Leemon, Computer
Shopper, Jun. 1990.
"Enhanced Asynchronous Communications Element WD16C550", Western Digital.
"YM3812 FM Operator Type L II (OPLII)", Nippon
Gakki Co., Ltd., Jun. 1987.
"YM3014 Serial Input Floating D/A Converter
(DACSS)", Nippon Gakki Co., Ltd., Jun. 1987.
"MC145146-1" Motorola.
"TC9188N/F" Toshiba.
"Single-Chip PC AT-to SCSI I/O Processor", Adaptec 1990.
Rockwell RC9624AT Data/Fax Modem Design.
"LC2MOS Complete, 8-Bit Analog I/O System",
Analog-to-Digital Converters 3-233.
"Electronic Volume LSI for 7-Band Graphic Equal-
izer", TC9187AN, TC9187AF, Audio Digital Inc.
"Take a View into the Video World", BYTE, Mar.
1991, vol. 16, No. 3, pp. 54 and 56.
Primary Examiner—John K. Peng
Attorney, Agent, or Firm—Baker & Botts