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US 12,691,476 B2Granted
Watertight housing designs for ultrasonic lens cleaning
AssigneeTexas Instruments Incorporated
InventorsDavid P. Magee, Hailong Chen
Life of this patent
Estimating the term…
Abstract
Methods, apparatus, systems are described in conjunction with a watertight housing designed for ultrasonic lens cleaning. An example apparatus includes a transducer having a surface and an opening; a bracket having a first surface, a second surface, a third surface, and an opening, the first surface of the bracket coupled to the surface of the transducer, the opening of the bracket aligned with the opening of the transducer; and a lens having a first surface and a second surface, the first surface of the lens is coupled to the second surface of the bracket, the second surface of the lens coupled to the third surface of the bracket, the lens covering the opening of the transducer and the opening of the bracket.
Claims23
An apparatus comprising:
- a transducer having a surface and an opening;
- a first bracket having a first surface, a second surface, a third surface, and an opening, the first surface of the first bracket coupled to the surface of the transducer, the opening of the first bracket aligned with the opening of the transducer;
- a second bracket having a first surface and a second surface, the second surface of the second bracket coupled to the third surface of the first bracket;
- and
- a curved lens having a first surface, a second surface, and a third surface, the first surface of the curved lens is coupled to the second surface of the first bracket, the second surface of the curved lens coupled to the third surface of the first bracket, the third surface of the curved lens coupled to the first surface of the second bracket, the curved lens covering the opening of the transducer and the opening of the first bracket.
2 more elements
An apparatus comprising:
- a transducer having a surface and an opening;
- a first bracket having a first surface, a second surface, a third surface, a fourth surface, a fifth surface, and an opening, the first surface of the first bracket coupled to the surface of the transducer, the first surface and the fourth surface of the first bracket enclose the transducer;
- a second bracket having a first surface and a second surface, the second surface of the second bracket coupled to the third surface of the first bracket;
- a curved lens having a first surface, a second surface, and a third surface, the first surface of the curved lens is coupled to the second surface of the first bracket, the second surface of the curved lens coupled to the third surface of the first bracket, the third surface of the curved lens coupled to the first surface of the second bracket;
- and
- a housing having a surface and an opening, the surface of the housing coupled to the fifth third surface of the first bracket, the opening of the housing aligned with the opening of the transducer and the opening of the first bracket, the curved lens covering the opening of the transducer, the opening of the first bracket, and the opening of the housing.
3 more elements
A system comprising:
- a transducer having a surface;
- a bracket having a first surface and a second surface, the first surface of the bracket is coupled to the surface of the transducer, the bracket to enclose the transducer;
- a first adhesive layer coupled between the surface of the transducer and the first surface of the bracket;
- a lens having a surface coupled to the second surface of the bracket, the bracket separates the transducer and the lens;
- a second adhesive layer coupled between the second surface of the bracket and the surface of the lens, the first adhesive layer and the second adhesive layer are created by an adhesive material corresponding to a threshold shear stress;
- driver circuitry coupled to the transducer, the driver circuitry configured to supply electrical energy to the transducer;
- and
- the transducer is configured to vibrate the lens responsive to receiving electrical energy from the driver circuitry, the driver circuitry is configured to supply the electrical energy at a magnitude that prevents vibrations of the transducer from exceeding the threshold shear stress of the adhesive material.
5 more elements
An apparatus comprising:
- a cap having a first surface and an opening;
- a membrane having a first surface, a second surface, and an opening, the first surface of the membrane coupled to the first surface of the cap, the opening of the membrane aligned with the opening of the cap;
- a transducer having a surface and an opening;
- and
- a lens having a first surface and a second surface, the first surface of the lens is coupled to the second surface of the membrane, the second surface of the lens coupled to the surface of the transducer, the lens covering the opening of the transducer, the opening of the membrane, and the opening of the cap.
2 more elements
Dependencies are inferred from the claim text.