Cable modem


FIG. 1 is a perspective view, showing our new design for a cable modem;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof (the left elevation view thereof being symmetrical thereto);

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D295178 April 12, 1988 Pedinielli et al.
D301877 June 27, 1989 Greenberg et al.
D309731 August 7, 1990 Takai
D322963 January 7, 1992 Kittirutsunetorn
D346606 May 3, 1994 Harris et al.
D353598 December 20, 1994 Brandt et al.
D363722 October 31, 1995 Aldridge
D366248 January 16, 1996 Owens
D368905 April 16, 1996 Otani
D381317 July 22, 1997 Yu
D381637 July 29, 1997 Haider et al.
D383139 September 2, 1997 Hill et al.
Other references
  • Samsung, "InfoRanger, Simple and Smart Networking solutions," Samsung Telecommunications America (1998). 3COM, "3 COM Data-Over-Cable Products,"3COM Corporation (1998). Phasecom, "SpeedDemon Cable Modem," Phasecom. Phasecom, "Frequency transverters Series, P4000, P4200," Phasecom. Phasecom, "Broadband Bridge System, P545," Phasecom. COM21, Inc. "ComPORT 1000 Cable Modem, Scaleable, robust communications," COM21, Inc. NEC CMT 5000 pamphlet, Motorola Cable Modem, before Jan. 22, 1998.
Patent History
Patent number: D420676
Type: Grant
Filed: Dec 30, 1998
Date of Patent: Feb 15, 2000
Assignee: Industrial Technology Research Institute (Hsinchu)
Inventors: Chia-Wen Wang (Hsin-Chu), Ching-Lung Chan (Hsin-Chu)
Primary Examiner: Jeffrey Asch
Law Firm: Christensen O'Connor Johnson & Kindness
Application Number: 0/98,534
Current U.S. Class: Acoustic Coupler Or Modem (22) (D14/242); D14/107
International Classification: 1403;