1
Robert S Block, John R Martin: Method and system for subscription television billing and access. Burns Doane Swecker & Mathis, July 31, 1979: US04163254 (167 worldwide citation)

A subscription television system and method in which billing information regarding programs actually viewed by a subscriber of the system is accumulated over non-dedicated telephone lines. A scrambled television program signal containing a block of television program material and a program identific ...


2
H George Pires: Billing method and system for a subscriber of a pay television system. Teleglobe Pay TV System, Marianne Rich, July 31, 1979: US04163255 (124 worldwide citation)

Each decoder has a random access memory storing program code numbers, a security number, a customer identification number, and program identification numbers utilized for billing purposes. Communication between each decoder and a central computer is subscriber-initiated. The program code numbers mus ...


3
Kantilal Mistry, Martin Sperber: Subscription television decoder apparatus. Blonder Tongue Laboratories, Rines and Rines, July 31, 1979: US04163252 (105 worldwide citation)

This disclosure is concerned with simplified decoder apparatus for use with depressed horizontal sync scrambled television transmissions, embodying intercarrier detection of picture and sound carriers and FM demodulation of audio information including a pilot tone used to restore the video sync sign ...


4
Bhupendra C Patel: Method of testing the position of a needle assembly in the epidural space. The Kendall Company, Powell L Sprunger, July 31, 1979: US04162673 (102 worldwide citation)

A method of testing the position of a needle assembly in the epidural space of a patient's body, the needle assembly having a tip and an elongated passageway communicating between the tip and a shallow open cavity, comprising the steps of positioning the tip and a distal passageway portion of the as ...


5
Walter F Anderson, Ronald A Meyer: Liquid dispenser locking means. Diamond International Corporation, Watson Cole Grindle & Watson, July 31, 1979: US04162746 (97 worldwide citation)

A liquid dispenser has relatively rotatable closure, sleeve and plunger members, the latter two being locked against reciprocation of the plunger member by a misalignment between ribs and grooves therebetween. One of the grooves has a pair of upstanding pegs on opposite sides so as to not only avoid ...


6
Peter C Michael, Richard J Taylor, Martin R Trump: Picture processing system for television. Micro Consultants, Dowell and Dowell, July 31, 1979: US04163249 (90 worldwide citation)

A T.V. picture processing system comprising an input arrangement for receiving T.V. picture information and converting it into a form suitable for an input processor. The input processor modifies the size of the picture from information received from the input arrangement. A store is provided for st ...


7
Norio Ebihara, Kaichi Tatsuzawa: Noise reduction system. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, July 31, 1979: US04163258 (88 worldwide citation)

A method of and apparatus for reducing the noise of an input signal, such as a composite video signal. An orthogonal transform of the input signal is derived, this orthogonal transform having n transformed signal components. At least some of these signal components are suppressed if their respective ...


8
Alfred B Levine: Electronic calendar and diary. July 31, 1979: US04162610 (86 worldwide citation)

An electronic schedule calendar and diary for storing in an electronic memory a plurality of future calendar appointments and events for each of a plurality of daily, weekly, or other date interval periods, and enabling the selective retrieval and electronic display of said plural appointments and e ...


9
Raymond Dingle, Arthur C Gossard, Horst L Stormer: High mobility multilayered heterojunction devices employing modulated doping. Bell Telephone Laboratories Incorporated, Michael J Urbano, July 31, 1979: US04163237 (83 worldwide citation)

The mobility of a relatively narrow bandgap semiconductor material can be significantly enhanced by incorporating it into a multilayered structure (10) comprising a first plurality of relatively narrow bandgap layers (12) of the material and a second plurality of wider bandgap semiconductor layers ( ...


10
Fred C Kresky, John H Loveland, Bryce B Evans: Gas line lead-in assembly. Aeroquip Corporation, Beaman & Beaman, July 31, 1979: US04162801 (82 worldwide citation)

A conduit assembly for natural gas lines utilized at transition locations wherein a synthetic plastic gas supply tube connects to a meter or other fitting located above the ground level. The lead-in assembly utilizes a fitting having a rigid elongated nipple to which a polyethylene tube is sealed by ...