1
Seymour Edelman: Opto-acoustic transducer and telephone receiver. Brady O Boyle & Gates, June 8, 1982: US04334321 (86 worldwide citation)

An optical fiber element of low density, low heat capacity, a large coefficient of thermal expansion, and a large Young's modulus varies in light transmissivity gradually between its ends from high transmissivity to opacity, whereby power modulated light transmitted through the fiber element is abso ...


2
Seymour Edelman, Aime S DeReggi: Opto-acoustic transducer for a telephone receiver. Brady O Boyle & Gates, March 5, 1985: US04503564 (66 worldwide citation)

A sound producing diaphragm of low density, low heat capacity, a large coefficient of thermal expansion and a large Young's modulus is located adjacent the end of an optical fiber transmission line element which is adapted to propagate modulated light and transmit the light outwardly therefrom parti ...


3
Seymour Edelman: Drag modification piezoelectric panels. Brady O Boyle & Gates, December 14, 1982: US04363991 (50 worldwide citation)

Disclosed is a method and means to increase or decrease, on demand, the drag exerted by a fluid on a boundary. The boundary comprises a surface portion of a structure enclosing a moving fluid or may comprise a portion of the outer surface of an object moving through the fluid. Drag is varied by mean ...


4
Bruce J Wooden, Seymour Edelman: Piezoelectric polymer antifouling coating. The United States of America represented by the Secretary of the Navy, R S Sciascia, William T Ellis, Kenneth E Walden, August 11, 1981: US04283461 (35 worldwide citation)

An antifouling coating for marine structures in the form of a film containing piezoelectric polymer material, which, when electrically activated vibrates at a selected frequency to present a surface interfacing with water which is inhospitable for attachment of vegetable and animal life including fr ...


5
Seymour Edelman, Beverly F Payne: Polymer film accelerometer. The United States of America represented by the Secretary of the Army, William G Gapcynski, Werten F W Bellamy, February 16, 1982: US04315433 (34 worldwide citation)

An accelerometer is provided which utilizes at least one sheet of piezoelric polymer film, supported under tension in a frame, for sensing the acceleration-responsive movements of an associated inertial mass and providing an electrical output in accordance therewith. The accelerometer preferably com ...


6
Seymour Edelman, Steven C Roth, John F Mayo Wells: Polymeric sensor of vibration and dynamic pressure. The United States of America represented by the Secretary of the Navy, R Sciascia, R Beers, S Sheinbein, July 20, 1976: US03970862 (31 worldwide citation)

A transducer, and method for making it, comprising a composite film for sing pressure comprising a pair of film sandwiches, each sandwich comprising a poled polymeric films with metallic film electrodes on opposite surfaces. One electrode does not extend quite to the end of the polymer and is consid ...


7
Bruce J Wooden, Seymour Edelman: Piezoelectric polymer antifouling coating and method of use and application. The United States of America represented by the Secretary of the Navy, R S Sciascia, William T Ellis, Kenneth E Walden, October 27, 1981: US04297394 (26 worldwide citation)

An antifouling coating with method of use and method of application on marine structures in the form of a film containing piezoelectric polymer material, which, when electrically activated vibrates at a selected frequency to present a surface interfacing with water which is inhospitable for attachme ...


8
Aime S DeReggi, Seymour Edelman: Piezoelectric polymer membrane stress gage. The United States of America represented by the Secretary of the Navy, Richard S Sciascia, Arthur A McGill, Prithvi C Lall, August 28, 1979: US04166229 (25 worldwide citation)

Apparatus and method for detecting pressure variations because of acoustic aves by modulating a preset tensile stress in a stretched thin sheet of a piezoelectric polymer. The modulation is provided by the changing stress caused by an impinging acoustic signal or the like. The piezoelectric polymer ...


9
Seymour Edelman: Piezoelectric heat exchanger. Brady O Boyle & Gates, September 27, 1983: US04406323 (19 worldwide citation)

Apparatus is disclosed for providing increased heat transfer efficiency in a heat exchanger by separating contiguous fluid conductive channels by means of a flexible partition of a bimorph construction consisting of two adjacent layers of piezoelectric material arranged so that, when an electrical s ...


10
Seymour Edelman, Lowell D Ballard: Piezoelectric polymer heat exchanger. The United States of America represented by the Secretary of the Army, Anthony T Lane, Jeremiah G Murray, Robert A Maikis, February 26, 1985: US04501319 (17 worldwide citation)

Disclosed is apparatus for providing for increased heat transfer efficiency f a heat exchanger by separating contiguous fluid conductive channels by means of a flexible sheet fabricated from a piezoelectric polymer. An electrode pattern of predetermined configuration is applied to one or both sides ...