Sidney T. Fisher

Person

Montreal, Quebec, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Predistorted AM stereo transmission
- Patent number 4,510,614
- Issue date Apr 9, 1985
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Keyboard with simultaneous operations
- Patent number 4,498,073
- Issue date Feb 5, 1985
- Charles B. Fisher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reduction of iron ores by hydrocarbons
- Patent number 4,484,944
- Issue date Nov 27, 1984
- Charles B. Fisher
- C21 - METALLURGY OF IRON
Information Patent Grant
Recording system with noise reduction
- Patent number 4,463,392
- Issue date Jul 31, 1984
- Charles B. Fisher
- G11 - INFORMATION STORAGE
Information Patent Grant
Periodic wave elimination by negative feedback
- Patent number 4,456,990
- Issue date Jun 26, 1984
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demodulator system for double sideband suppressed carrier amplitude...
- Patent number 4,430,620
- Issue date Feb 7, 1984
- Charles B. Fisher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Heat transfer in gas compression
- Patent number 4,429,546
- Issue date Feb 7, 1984
- Charles B. Fisher
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Dual-signal A-M receiving apparatus
- Patent number 4,406,006
- Issue date Sep 20, 1983
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM Quadrature stereo systems
- Patent number 4,401,853
- Issue date Aug 30, 1983
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic brakes and clutches
- Patent number 4,397,381
- Issue date Aug 9, 1983
- Charles B. Fisher
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Constant-frequency dynamo with stationary armature
- Patent number 4,387,335
- Issue date Jun 7, 1983
- Charles B. Fisher
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Recovery of underground hydrocarbons
- Patent number 4,359,091
- Issue date Nov 16, 1982
- Charles B. Fisher
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple-site underground magnetic heating of hydrocarbons
- Patent number 4,344,483
- Issue date Aug 17, 1982
- Charles B. Fisher
- E21 - EARTH DRILLING MINING
Information Patent Grant
Noise-reduction sampling system
- Patent number 4,308,614
- Issue date Dec 29, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Waveform correction by sampling
- Patent number 4,285,058
- Issue date Aug 18, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quantized angle modulator
- Patent number 4,278,952
- Issue date Jul 14, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic transmission system
- Patent number 4,276,624
- Issue date Jun 30, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulation distortion reducer
- Patent number 4,268,802
- Issue date May 19, 1981
- Charles B. Fisher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiving apparatus for messages with in-band signals
- Patent number 4,268,914
- Issue date May 19, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compandor with sampling and equalization
- Patent number 4,253,072
- Issue date Feb 24, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronous detection with sampling
- Patent number 4,253,066
- Issue date Feb 24, 1981
- Charles B. Fisher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dual-modulation receiving apparatus
- Patent number 4,249,039
- Issue date Feb 3, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise-reducing apparatus
- Patent number 4,249,260
- Issue date Feb 3, 1981
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier with switched capacitors
- Patent number 4,249,135
- Issue date Feb 3, 1981
- Charles B. Fisher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Measurement of evoked nervous system potentials
- Patent number 4,244,376
- Issue date Jan 13, 1981
- Charles B. Fisher
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Angle-modulated stereo system
- Patent number 4,238,642
- Issue date Dec 9, 1980
- Charles B. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Air turbulence reducer
- Patent number 4,227,662
- Issue date Oct 14, 1980
- Charles B. Fisher
- G05 - CONTROLLING REGULATING
Information Patent Grant
Safe wire rope
- Patent number 4,217,748
- Issue date Aug 19, 1980
- Charles B. Fisher
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Quantized modulation systems
- Patent number 4,205,241
- Issue date May 27, 1980
- Charles B. Fisher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Deep focus fiber optic lens
- Patent number 4,189,207
- Issue date Feb 19, 1980
- Charles B. Fisher
- G02 - OPTICS

Sidney T. Fisher

Person

Patents Grantslast 30 patents

Predistorted AM stereo transmission

Keyboard with simultaneous operations

Reduction of iron ores by hydrocarbons

Recording system with noise reduction

Periodic wave elimination by negative feedback

Demodulator system for double sideband suppressed carrier amplitude...

Heat transfer in gas compression

Dual-signal A-M receiving apparatus

AM Quadrature stereo systems

Magnetic brakes and clutches

Constant-frequency dynamo with stationary armature

Recovery of underground hydrocarbons

Multiple-site underground magnetic heating of hydrocarbons

Noise-reduction sampling system

Waveform correction by sampling

Quantized angle modulator

Acoustic transmission system

Modulation distortion reducer

Receiving apparatus for messages with in-band signals

Compandor with sampling and equalization

Synchronous detection with sampling

Dual-modulation receiving apparatus

Noise-reducing apparatus

Amplifier with switched capacitors

Measurement of evoked nervous system potentials

Angle-modulated stereo system

Air turbulence reducer

Safe wire rope

Quantized modulation systems

Deep focus fiber optic lens