Images List Premium Download Classic

Piezo

Piezo-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Electro-acoustic transducer
Globalmems Co., Ltd.
August 17, 2017 - N°20170238100

An electro-acoustic transducer includes a base, a plurality of vibration portions and a connection portion. Each of the vibration portion includes a piezoelectric transduction layer and has a first connection end and a second connection end opposite to each other, and the first connection ends are connected to the base. The connection portion is separated from the base and connected ...
Electro-acoustic transducer
Globalmems Co., Ltd.
August 17, 2017 - N°20170238099

An electro-acoustic transducer includes a base and a plurality of vibration portions. Each of the vibration portions includes a piezoelectric transduction layer and has two connection ends and a free end. The connection portions are connected to the base, and the free ends are separated from one another. The piezoelectric transduction layers are adapted to receive electrical signals to deform, ...
Resonator having frame and method of manufacturing the same
Samsung Electro-mechanics Co., Ltd.
August 17, 2017 - N°20170237408

A resonator includes a resonating portion including a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; and a frame provided at an outer edge of the resonating portion, at least a portion of the frame covering an outer end portion of the second electrode.
Piezo Patent Pack
Download 1180+ patent application PDFs
Piezo Patent Applications
Download 1180+ Piezo-related PDFs
For professional research & prior art discovery
inventor
  • 1180+ full patent PDF documents of Piezo-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Piezoelectric energy harvester for human motion
Analog Devices, Inc.
August 17, 2017 - N°20170237368

An exemplary energy harvester includes a piezoelectric diaphragm, an eccentric mass that rotates in response to external motion, and a piezoelectric stress inducer coupled with the eccentric mass and the piezoelectric diaphragm. The piezoelectric stress inducer deforms the piezoelectric diaphragm in response to rotational motion of the eccentric mass, causing the piezoelectric diaphragm to generate electrical energy.
Precursor solution and method for the preparation of a lead-free piezoelectric material
Stmicroelectronics S.r.l.
August 17, 2017 - N°20170236994

The present disclosure relates to a precursor solution for the preparation of a ceramic of the bzt-αbxt type, where x is selected from ca, sn, mn, and nb, and α is a molar fraction selected in the range between 0. 10 and 0. 90, said solution comprising: 1) at least one barium precursor compound; 2) a precursor compound selected from the group ...
Piezo Patent Pack
Download 1180+ patent application PDFs
Piezo Patent Applications
Download 1180+ Piezo-related PDFs
For professional research & prior art discovery
inventor
  • 1180+ full patent PDF documents of Piezo-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Device for precision displacement
Peter Nikolaevich Luskinovich
August 17, 2017 - N°20170236992

A device for performing a precision movement comprising a plate composed of piezoelectric material and comprising electrodes which are provided at mutually opposite and preferably parallel planes, are connectable to a controlled voltage source having electrical voltage and in this case bring about a change in the form and/or mass of the plate is characterized in that at least ...
Ultrasonic actuator apparatus
Knowles Electronics, Llc
August 17, 2017 - N°20170235434

An ultrasonic actuation apparatus includes a piezoelectric transducer producing a first ultrasonic signal; a second transducer; and a platen, the platen being directly and/or acoustically coupled to the piezoelectric transducer and the second transducer. The second transducer may be a mems microphone. The second transducer is configured to receive the first ultrasonic signal at a first time, and a ...
Touch-input display devices with force measurement using piezoelectric pillars
Ca, Inc.
August 17, 2017 - N°20170235387

A touch-input display device includes a substrate, piezoelectric pillars that are on and extend away from a surface of the substrate, and light emitter devices each coupled to a different one of the piezoelectric pillars. The substrate has power lines and signal lines. The piezoelectric pillars are electrically isolated from each other, and each of the piezoelectric pillars includes a ...
Device for evaluation of the working surface fretting wear characteristics
Aleksandras Stulginskis University
August 17, 2017 - N°20170234785

A device for evaluating working surface fretting wear characteristics comprises a bottom holder with a sample secured thereto, springs displacing in the x and y direction, multilayer piezo elements moving in the x, y, and z directions, a housing, a top plate/holder, a linear air bearing housing, a spherical upper sample, a linear air bearing shaft, a three-way force ...
Flexible sensors and methods for making the same
The University Of Akron
August 17, 2017 - N°20170234745

A flexible sensor for monitoring operating parameters, including pressure and temperature, of a flexible structure, such as a tire, provides electrodes and an active area that are formed of flexible materials. In particular, the active area may be formed from an elastomeric piezoresistive material, such as an ionic liquid-polymer. The flexible properties of the sensor allow it to be readily ...
Interlace lifting mechanism
Horiba Stec, Co., Ltd.
August 17, 2017 - N°20170234444

A mechanism for coupling motion of a piezoelectric actuator in axisymmetric devices like modulating proportional valves uses actuator extension motion to cause translation away from a mechanism mounting plane and thereby enables lifting open of a valve element instead of the usual pushing closed of the valve element. The mechanism does not contain any gears nor leadscrew threads, and in ...
Method for manufacturing a sensorized braking element, in particular a brake pad and a sensorized ...
Itt Ltalia S.r.l.,
August 17, 2017 - N°20170234383

Method wherein at least one piezoceramic sensor (15) and an electric circuit (18) to collect an electric signal emitted by the piezoceramic sensor (15) when subjected to a mechanical stress and possibly processing it are made as a unit electrically insulated (118) equipped with at least a branching (119) ending with respective electric contacts (20,21) having connected the at least one piezoelectric sensor (15), where the electric ...
Piezo Patent Pack
Download 1180+ patent application PDFs
Piezo Patent Applications
Download 1180+ Piezo-related PDFs
For professional research & prior art discovery
inventor
  • 1180+ full patent PDF documents of Piezo-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method of fabricating high-performance poly (vinylidenedifluoride-trifluoroethylene), p(vdf-trfe) films
Indian Institute Of Technology, Kanpur
August 17, 2017 - N°20170233597

The present invention relates to a process of fabricating p(vdf-trfe) films by modifying the solvent composition. Two solvents mek and dmso were mixed in pre-determined ratios and that co-solvent mixture was used for fabricating the p(vdf-trfe) films. By virtue of such method driven p(vdf-trfe) films, the ferroelectric capacitors comprising of the same were found to achieve low ...
Method for producing piezoelectric actuator and method for producing liquid transport apparatus
Brother Kogyo Kabushiki Kaisha
August 17, 2017 - N°20170232744

A vibration layer is formed by the ad method on a cavity plate before forming pressure chambers, a common electrode is formed on the vibration layer, and a piezoelectric layer is formed on the common electrode by the ad method. Subsequently, the pressure chambers are formed in the cavity plate by the etching. After that, individual electrodes are formed on ...
Liquid ejecting head and liquid ejecting apparatus
Seiko Epson Corporation
August 17, 2017 - N°20170232742

A liquid ejecting head includes: a nozzle plate provided with nozzle openings; an actuator unit including a flow channel formation substrate in which pressure generation chambers are provided and piezoelectric actuators that cause a change in the pressure of the liquid within respective pressure generation chambers; a communication substrate in which communication channels that communicate between the pressure generation chambers ...
Inkjet head
Rohm Co., Ltd.
August 17, 2017 - N°20170232738

An inkjet head includes a substrate that defines a cavity in which ink is stored, a vibrating membrane that is supported by the substrate and that defines the cavity, and a piezoelectric device that is disposed on the vibrating membrane and that changes a volume of the cavity by displacing the vibrating membrane. A driving ic is mounted on the ...
Piezoelectric thin film resonator, filter, and duplexer
Taiyo Yuden Co., Ltd.
August 10, 2017 - N°20170230031

A piezoelectric thin film resonator includes: a substrate; a lower electrode located on the substrate; a piezoelectric film that has a step on an upper surface thereof and is located on the lower electrode, a film thickness of the piezoelectric film inside the step being greater than a film thickness of the piezoelectric film outside the step; an upper electrode ...
Connector with self-powered mating detection
Ford Global Technologies, Llc
August 10, 2017 - N°20170229821

A connector with self-powered mating detection is disclosed. An example disclosed connector pair includes a first connector. The example connector pair also includes a piezoelectric sensor attached to the first connector. The example piezoelectric sensor generates a voltage when the first connector and a second connector are mated. The example piezoelectric sensor generates a voltage when the first connector and ...
Piezoelectric element, piezoelectric element application device, and method of manufacturing piezoelectric element
Seiko Epson Corporation
August 10, 2017 - N°20170229637

A piezoelectric element includes a first electrode, a piezoelectric layer formed of a first piezoelectric film which is formed on the first electrode and which includes potassium, sodium, and niobium and a plurality of second piezoelectric films which are formed on the first piezoelectric film and which include potassium, sodium, and niobium, and a second electrode formed on the piezoelectric ...
Piezoelectric driving device
Tdk Corporation
August 10, 2017 - N°20170229636

The present invention relates to a piezoelectric driving device 10 capable of moving the movable member 14 along the axis direction engaged in a movable manner to the axial direction with respect to the shaft 16. A pair of the external electrodes 26 and 27 respectively comprises the first external connection part 26a and the second external connection part 27a formed at the lower end ...
Loading