1
Ota Isao: Electrophoretic display device. Matsushita Electric Industrial, June 6, 1972: US3668106 (412 worldwide citation)

An electorphoretic display and/or recording device in which an electrophoretic suspension layer including a dispersion of at least one electrophoretic material in a finely divided powder form suspended in a suspending medium is interposed between a pair of electrodes. An electric field is imposed ac ...


2
Nepovim Zdenek: Cable connector. Lindsay Specialty Products, June 6, 1972: US3668612 (169 worldwide citation)

A connector for attachment to the end of a coaxial cable having an axial core electrode or conductor and a conductive sheath electrode or conductor includes a housing having an integral tubular skirt formed from four rearwardly extending tongues collectively formed with a rearwardly facing external ...


3
Face William W, Katz Harold W, Miller Murray H: Two-way community antenna television system. KMS, June 6, 1972: US3668307 (166 worldwide citation)

A two-way community antenna or closed circuit television system or community cable television system which permits two-way communication (including voice communication) through a transmission center from and between various terminals, such as schools, homes, hospitals, doctor's offices, community ce ...


4
Barlow Harold Monteagle: Hybrid mode electric transmission line using accentuated asymmetrical dual surface waves. British Railways Board, June 6, 1972: US3668574 (154 worldwide citation)

A method and means for reducing net transmission losses and frequency dispersion within an electrical transmission line having dual conducting surfaces and carrying a hybrid mode electromagnetic wave comprising both a TEM component and a dual surface wave component. One of the two conducting surface ...


5
Symons Robert S, Staprans Armand, Butwell Robert J: Coupled cavity slow wave circuit and tube using same. Varian Associates, June 6, 1972: US3668459 (146 worldwide citation)

A coupled cavity slow wave circuit, such as a cloverleaf circuit, and a microwave tube using same are disclosed. The slow wave circuit includes an array of cavity resonators arranged successively along the beam path with adjacent ones of the cavities having a common end wall structure. A plurality o ...


6
Flores Ralph, Thompson Herbert E: Magnetic record disk cover. International Business Machines Corporation, June 6, 1972: US3668658 (118 worldwide citation)

In a magnetic recording system, the combination comprising a rotary magnetic record disk and a cover for containing the disk. The cover has its inner surfaces in frictional contact with the adjacent surfaces of the disk. Furthermore, the disk is rotatable while the cover is maintained stationary in ...


7
Muller Henry: Apparatus for monitoring body temperature and controlling a heating device to maintain a selected temperature. Bio Data Corporation, June 6, 1972: US3667476 (114 worldwide citation)

A servocircuit measures and controls temperature. A thermistor detects temperature and a controller controls a heating device to maintain a selected temperature in a living organism. The danger of electric shock is removed by using field effect transistors to isolate the thermistor from hazardous vo ...


8
Silver Joseph: Load-sensitive generator for driving piezo-electric transducers. Crest Ultrasonics Corporation, June 6, 1972: US3668486 (102 worldwide citation)

An oscillatory circuit, operating in the ultrasonic or high sonic frequencies, generates power for a piezo-electric transducer in proportion to mechanical resistances or loadings encountered by the transducer. High sensitivity and instantaneous power adjustment to a wide variety of loads is obtained ...


9
Pendleton John M: Flowable dunnage apparatus and method of packaging with flowable and compliable inflated dunnage material. June 6, 1972: US3667593 (100 worldwide citation)

Flowable dunnage apparatus characterized by discrete inflated capsules formed of elastic impervious webs in facing relationship and sealed along their edges with a quantity of air under pressure captured therein, the discrete capsules being of minuscule dimension as compared to the dimensions of an ...


10
Christiansen Godtfred Kirk: Interlocking arrangements. Interlego, June 6, 1972: US3667153 (96 worldwide citation)

The coupling of two plate-shaped elements be means of an interlocking arrangement formed along the edges of the elements. The locking members of one element are in resilient engagement with identical locking members on the other element, the thickness of the individual locking members being half the ...