using a digital filter with interpolation

Industry

CPC
H03D2200/0058

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Parent Industries

HELECTRICITY H03Electronic circuits H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D

Current Industry

H03D2200/0058using a digital filter with interpolation

Industries

Patents Grantslast 30 patents

Information Patent Grant
Filter circuit and radio-frequency module
- Patent number 11,323,193
- Issue date May 3, 2022
- Murata Manufacturing Co., Ltd.
- Kenji Tahara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Subscriber unit for wireless digital telephone system
- Patent number 5,842,137
- Issue date Nov 24, 1998
- InterDigital Technology Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information signal processing apparatus
- Patent number 5,465,071
- Issue date Nov 7, 1995
- Canon Kabushiki Kaisha
- Takashi Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Subscriber unit for wireless digital telephone system
- Patent number 5,177,741
- Issue date Jan 5, 1993
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic adaptive equalizer
- Patent number 5,168,507
- Issue date Dec 1, 1992
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency synthesizer circuit
- Patent number 5,159,705
- Issue date Oct 27, 1992
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital time-multiplexed quadrature frequency upconverter
- Patent number 5,101,418
- Issue date Mar 31, 1992
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interpolator for varying a signal sampling rate
- Patent number 5,067,141
- Issue date Nov 19, 1991
- International Mobile Machine Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deglitching means for digital communication systems
- Patent number 4,996,697
- Issue date Feb 26, 1991
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber unit for wireless digital telephone system
- Patent number 4,994,802
- Issue date Feb 19, 1991
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber unit for wireless digital telephone system
- Patent number 4,943,983
- Issue date Jul 24, 1990
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signals and frequency correction in a digital wireless system
- Patent number 4,893,317
- Issue date Jan 9, 1990
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM equalizer circuit for digital systems
- Patent number 4,881,240
- Issue date Nov 14, 1989
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber unit for wireless digital telephone system
- Patent number 4,825,448
- Issue date Apr 25, 1989
- International Mobile Machines Corporation
- David N. Critchlow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digitally processed demodulator for quadrature modulated signals
- Patent number 4,737,728
- Issue date Apr 12, 1988
- Hitachi, Ltd.
- Shigeki Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital FM detector for digitized FM signals
- Patent number 4,696,018
- Issue date Sep 22, 1987
- ITT Industries, Inc.
- Edmund Zaehringer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using a digital filter with interpolation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Filter circuit and radio-frequency module

Subscriber unit for wireless digital telephone system

Information signal processing apparatus

Subscriber unit for wireless digital telephone system

Automatic adaptive equalizer

Frequency synthesizer circuit

Digital time-multiplexed quadrature frequency upconverter

Interpolator for varying a signal sampling rate

Deglitching means for digital communication systems

Subscriber unit for wireless digital telephone system

Subscriber unit for wireless digital telephone system

Digital signals and frequency correction in a digital wireless system

AM equalizer circuit for digital systems

Subscriber unit for wireless digital telephone system

Digitally processed demodulator for quadrature modulated signals

Digital FM detector for digitized FM signals