Inventor

LUCE DAVID A

US53 patents

⚠️ This page may combine multiple inventors who share the name “LUCE DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUCE DAVID A

REICHERT INC

Method and apparatus for measuring biomechanical characteristics of corneal tissue

Method and apparatus for tear film measurement

Duel mode non-contact tonometer

Method for eliminating error in tonometric measurements

Hand-held non-contact tonometer

Method and apparatus for determining true intraocular pressure

Method and apparatus for determining true intraocular pressure

Method and apparatus for measuring corneal resistance

Non-contact tonometer having improved air pump

Method for optimizing piston diameter in a non-contact tonometer, and non-contact tonometer having fluid pump designed by said method

Determination of continuous dynamic corneal viscoelastic bending moduli

Tonometer calibration tool

NORLIN MUSIC INC

Helically wound pitch-determining element for electronic musical instrument

Electronic musical instrument with dynamically responsive keyboard

Electronic musical instrument with exponential keyboard and voltage controlled oscillator

Preset system for electronic musical instrument

Foot control apparatus for electronic musical instrument

Keyboard for an electronic musical instrument employing variable capacitors

Electronic musical instrument capable of generating a string chorus sound

Multiplexer for electronic musical instrument

Contour generator for audio signal

LEICA INC

Joystick override control for an ophthalmic instrument

Method and apparatus for determining the optical properties of a lens

Joystick for an ophthalmic instrument where vertical movement is controlled by rotating the joystick

Tonometer air pulse generator

Contrast sensitivity tester

Lensmeter

Instructive display for assisting in centering an optical path element on a path

Keratometric illumination system

Non-contact tonometer having off-axis fluid pulse system

CLARK JR MELVILLE

Musical instrument

Musical instrument

Musical instrument

Musical instrument with means for scanning keys

Musical instrument with means for scanning keys

Musical instrument with means for scanning keys

Musical instrument with means for scanning keys

LEICA MICROSYSTEMS INC

Non-contact tonometry method

Non-contact tonometer having non-linear pressure ramp

Automatic optometer evaluation method using data over a wide range of focusing positions

Applanation detection system for a non-contact tonometer

Ophthalmic instrument having self-calibrating optical system

NORLIN IND INC

Voltage controlled attenuator

Memory override system for programmed electronic synthesizer

Synthesizer preset editing techniques

Electronic musical instrument capable of generating a chorus sound

MOOG MUSIC INC

Wide dynamic range voltage controlled filter for electronic musical instruments

Signal generator for electronic musical instrument, employing variable rate integrator

CAMBRIDGE INSTR INC

Optical alignment system

BONAVENTURA RUSSELL

Tonometer calibration tool