Francis H. Hilbert

Person

Addison, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Stereo broadcast system
- Patent number 4,406,922
- Issue date Sep 27, 1983
- Motorola Inc.
- Norman W. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase locked loop with improved lock-in
- Patent number 4,377,728
- Issue date Mar 22, 1983
- Motorola Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM Stereophonic decoder
- Patent number 4,371,747
- Issue date Feb 1, 1983
- Motorola, Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compatible AM stereophonic system
- Patent number 4,338,491
- Issue date Jul 6, 1982
- Motorola Inc.
- Norman W. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compatible AM stereo broadcast system
- Patent number 4,218,586
- Issue date Aug 19, 1980
- Motorola, Inc.
- Norman W. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver for compatible AM stereo signals
- Patent number 4,192,968
- Issue date Mar 11, 1980
- Motorola, Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereophonic receiver
- Patent number 4,172,966
- Issue date Oct 30, 1979
- Motorola, Inc.
- Norman W. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereo receiver with correction limiting
- Patent number 4,170,716
- Issue date Oct 9, 1979
- Motorola, Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereo receiver with improved correction signals
- Patent number 4,164,623
- Issue date Aug 14, 1979
- Motorola, Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereo receiver having signal-controlled corrector
- Patent number 4,159,396
- Issue date Jun 26, 1979
- Motorola, Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereo presence signal for an AM stereo system
- Patent number 4,159,398
- Issue date Jun 26, 1979
- Motorola, Inc.
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auxiliary signal processing circuit for television receivers
- Patent number 4,051,532
- Issue date Sep 27, 1977
- Matsushita Electric Company of America
- Francis H. Hilbert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Francis H. Hilbert

Person

Patents Grantslast 30 patents

Stereo broadcast system

Phase locked loop with improved lock-in

AM Stereophonic decoder

Compatible AM stereophonic system

Compatible AM stereo broadcast system

Receiver for compatible AM stereo signals

AM stereophonic receiver

AM stereo receiver with correction limiting

AM stereo receiver with improved correction signals

AM stereo receiver having signal-controlled corrector

Stereo presence signal for an AM stereo system

Auxiliary signal processing circuit for television receivers