Cheng; King Y.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheng; King Y..The latest application filed is for "apparatus and method for effectively eliminating the echo signal of transmitting signal in a modem".

Company Profile

0.13.0

Cheng; King Y. - Nevada City CA
Cheng; King Y. - Penn Valley CA
Cheng; King Y. - Tustin CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus and method for effectively eliminating the echo signal of transmitting signal in a modem Grant 5,577,027 - Cheng November 19, 1	1996-11-19
Listener echo cancellation Grant 5,189,664 - Cheng February 23, 1	1993-02-23
Adaptive phase lock loop Grant 5,093,847 - Cheng March 3, 1	1992-03-03
High speed dial-up telephone circuit full duplex data transmission techniques Grant 4,481,622 - Cheng , et al. November 6, 1	1984-11-06
Timing recovery for an automatically equalized data modem Grant 4,061,978 - Motley , et al. December 6, 1	1977-12-06
Digital data receiver with automatic timing recovery and control Grant 4,028,626 - Motley , et al. June 7, 1	1977-06-07
Data transmission system using optimal eight-vector signaling scheme Grant 3,988,539 - Motley , et al. October 26, 1	1976-10-26
Phase tracking network Grant 3,971,996 - Motley , et al. July 27, 1	1976-07-27
Ultrafast adaptive digital modem Grant 3,962,637 - Motley , et al. June 8, 1	1976-06-08
Apparatus and method for synchronizing a digital modem using a random multilevel data signal Grant 3,943,448 - Motley , et al. March 9, 1	1976-03-09
Fast equalization acquisition for automatic adaptive digital modem Grant 3,935,535 - Motley , et al. January 27, 1	1976-01-27
Automatic gain control Grant 3,931,584 - Motley , et al. January 6, 1	1976-01-06
Transversal equalizer for use in double sideband quadrature amplitude modulated system Grant 3,906,347 - Motley , et al. September 16, 1	1975-09-16

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