Inventor

LEWINER JACQUES

74 patents

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

LEWINER JACQUES

LEWINER JACQUES

Device for controlling accesses of the security chamber

Composite sheets constituting electromechanical transducers and transducers equipped with such sheets

Remote control coded devices

Devices for detecting the rupture of an electrical circuit element

Electronic identification assemblies of capacitive keyboards

Electroacoustic piezoelectric transducers

Electronic interrogation circuits

Installation for controlling and monitoring the different coded locks of an assembly

Smoke detector with ionization chamber

Devices designed to measure locally the electric charges carried by dielectrics

Circuit breakers sensitive to leakage currents

Devices adapted to detect variations in magnetic flux notably circuit breakers

Coded electronic locking devices

Devices for delivering information on their communications to subscribers of telephone lines

Devices for reading the quantities of electrical charges borne by a dielectric

(unassigned)

Method and device for detecting and locating a reflecting sound source

Method and device for decoding a multivalent electrical signal and receiver comprising such a decoding device

Method of optimizing radio communication between a base and a mobile

Devices for separating particles contained in a fluid

Public display device

Portable one-way radio pager including an electronic directory

Method and apparatus for measuring the speed of a moving body

Devices for manufacturing electrets, and electrets obtained thereby

Method and apparatus for monitoring anti-lightning protection equipment

Fire dector including a non-volatile memory

Method and device for measuring the speed of a moving object

Traffic information device

Portable one-way radio pager and a method of transmitting messages thereto

Portable one-way radio pager with an encoded sound signal transmitter and identification method using same

DECAUX JEAN CLAUDE

System for informing users about urban transport

Installation for informing users of a bus network about waiting times for the buses

Portable appliances for informing bus users

Systems for informing users about waiting times for buses at stops in a network

Processes and devices for protecting a given volume, preferably arranged inside a room, from outside noises

Payment installation for a transport network

ANVAR

Electrometer

Control devices of the relay type

Control devices of the relay type

Device for measuring quantities of electric charges or similar electric parameters

FONTAINE SOC

Device for identification by proximity

Coded objects identifiable by proximity and devices for changing the codes of these objects

APPLIC DU RETOURNEMENT TEMPORE

Process and device for focusing acoustic waves

Process and device for focusing acoustic waves

J C DECAUX INTERNATIONAL

Portable appliance for informing the users of a bus network about waiting times at stops in the network

MATSUSHITA ELECTRIC WORKS LTD

Electrostatic relay

HENNION CLAUDE

Electromechanical transducers

INVENTEL

Local combined telephone and alarm system

CYNOVE SARL

Image authenticating methods

DREYFUS GERARD

Detectors of parameters adapted to act on the force of attraction between an electret and an electrode

ORWIN

Optical smoke detectors