1
Moon Warren D, Weiner Richard J, Hansen Robert A, Linde Robert N: Broadcast signal identification system. The First National Bank of Boston, O Connell Robert F, November 11, 1975: US3919479 (418 worldwide citation)

A process for automatic electronic recognition and identification of programs and commercial advertisements broadcast on television and radio wherein a digitally sampled reference signal segment derived from either the audio or video portion of the original program content to be identified is compar ...


2
Coplan Myron J: Combined surgical suture and needle. Albany International Corporation, Kenway & Jenney, November 11, 1975: US3918455 (258 worldwide citation)

A combination suture-needle assembly wherein the suture diameter and the maximum needle diameter are preferably the same or the suture diameter may be less than the needle diameter. The needle is secured to the suture by means of a needle shank portion of smaller diameter than the maximum needle dia ...


3
Noll A Michael: Tactile man-machine communication system. Bell Telephone Laboratories Incorporated, Murphy G E, Hirsch A E, Logan H L, November 11, 1975: US3919691 (228 worldwide citation)

Operation of a computer system is enhanced by means of a three-dimensional tactile control unit interactively coupled by a software package to the computer. By means of a sticklike mechanism, which is mechanically controlled by a servomotor system and energized by computer-generated signals proporti ...


4
Campbell Robert W: P-phenylene sulfide polymers. Phillips Petroleum Company, November 11, 1975: US3919177 (191 worldwide citation)

P-Phenylene sulfide polymers are produced by reacting at least one p-dihalobenzene with a mixture in which at least one after-defined source of sulfur, at least one alkali metal carboxylate and at least one organic amide are contacted. With applicable sulfur sources other than alkali metal sulfides ...


5
Nikolaev Georgy Alexandrovich, Loschilov Vladimir Ivanovich, Volkov Sergei Mikhailovich, Vedenkov Viktor Grigorievich, Leonichev Valery Dmitrievich, Polyakov Valentin Alexandrovich, Volkov Mstislav Vasilievich: Surgical instrument for ultrasonic joining of biological tissue. Holman & Stern, November 11, 1975: US3918442 (176 worldwide citation)

An ultrasonic instrument for use in welding and depositing biological osseous tissue. The instrument is essentially a source of ultrasonic oscillations, comprising an oscillator and a half-wave concentrator which passes gradually into a welding tip not placed in direct contact with both fragments of ...


6
Hartung Albert F, Lehan Frank W, Barooshian Charles T, Zacharski Edward J: Method and apparatus for scrambling and unscrambling communication signals. System Development Corporation, Fulwider Patton Rieber Lee & Utecht, November 11, 1975: US3919462 (155 worldwide citation)

Method and apparatus for scrambling and unscrambling television video and audio signals in a subscription television system in which program selections of subscribers are known at a central transmitting site, and control signals encoded into vertical blanking intervals of the video signals are addre ...


7
Koch Robert B, Nelson Leroy D, Rork Gerald D: Biological analyzer and method. Honeywell, Mersereau Charles G, Hanson Henry L, November 11, 1975: US3919051 (143 worldwide citation)

A continuous flow method and apparatus for the determination of glucose in a biological fluid by the oxygen depletion method is provided. The biological fluid sample, along with a carrier solution, are combined and introduced into a chamber containing gel-immobilized glucose oxidase. The mixture is ...


8
Barber Duane G: Holder for sample containers of different sizes. Beckman Instruments, Steinmeyer Robert J, Meads R R, November 11, 1975: US3918920 (132 worldwide citation)

A holder for bottles and vials of different sizes comprises a hollow cylindrical support with flexible ribs extending inward partially to a center axis. The ribs extend longitudinally and are spaced around the periphery of the hollow cylindrical support so that their inner edges are also spaced to f ...


9
Stuber Ivan L: Method and means for implanting casing. Widdowson John H, November 11, 1975: US3918523 (128 worldwide citation)

A method and means for implanting intermediate casing, or production casing, or the like, in a drilled hole having drilling fluid. A plurality of bracelet members are attached to the casing. Each of the bracelet members have a covering and an elastomeric material for expanding which is encased in th ...


10
Sokal Nathan O, Sokal Alan D: High-efficiency tuned switching power amplifier. Wolf Greenfield & Sacks, November 11, 1975: US3919656 (122 worldwide citation)

A high efficiency tuned switching power amplifier employs an active device switch driven at a frequency determined by an a.c. input signal. The active device switch controls the application of direct current power to a load through a resonant load network. The load network is substantially nonresist ...