11
Robert K Lockhart Jr, William J Macko, Robert H Bass, Craig S Wallace, Morris A Moore: Re-linked portable data terminal controller system. Motorola, Margaret Marsh Parker, James W Gillman, January 27, 1981: US04247908 (156 worldwide citation)

A two-way communications system for use with a host computer includes a control unit, a base station and multiple radio/data terminal units. The control unit interfaces directly with the computer but uses a radio link to the portable units. Voice and data signals can be transmitted and data between ...


12
Kenneth Levy, Paul Sandland: Automatic photomask inspection system and apparatus. KLA Instrument Corporation, Claude Hamrick, January 27, 1981: US04247203 (153 worldwide citation)

Optical inspection apparatus for detecting differences between two dies in a photomask and including a carriage for supporting the objects to be inspected and for simultaneously moving such objects along an inspection path, an illuminator for illuminating corresponding portions of the objects as the ...


13
Andrew L Pansini: Quick connect handle for swimming pool cleaning tools. January 27, 1981: US04247216 (122 worldwide citation)

A tool handle is fitted with a spring member having thumb buttons extending through one set of handle apertures and locking buttons extending through another set of handle apertures, and a pool pole is connected to the handle by being fitted within the handle and provided with a set of apertures thr ...


14
Harry Miller, Parm L Narveson, William R Hancock, Joseph P Hsu: Aircraft flight instrument display system. Sperry Corporation, Howard P Terry, Albert B Cooper, January 27, 1981: US04247843 (113 worldwide citation)

Apparatus for providing an integrated display of flight instrument parameters on the screen of a single cathode ray tube is presented. The synthetically generated symbology provides the pilot with an integrated display of substantially all aircraft attitude and flight path command and control parame ...


15
Konrad H Marcus: Visor and garage door operator assembly. Prince Corporation, Price Heneveld Huizenga & Cooper, January 27, 1981: US04247850 (113 worldwide citation)

A visor and garage door operator assembly including a sun visor incorporating the transmitter of a radio controlled garage door operating system in which the transmitter is disposed within the recess of a visor and is provided with coding switches which are easily accessable for adjustment to change ...


16
Tsutomu Miyamoto: Mobile radio data communication system. Nippon Electric, Sughrue Rothwell Mion Zinn and Macpeak, January 27, 1981: US04247947 (105 worldwide citation)

A mobile radio data communication system in which portable radio terminal units transmit a carrier wave modulated with various data and a stationary radio unit demodulates the modulated carrier wave into the transmitted data is disclosed. The data may relate to such aspects of business activities as ...


17
C Douglas O Brien, Herbert G Bown, Thomas E Green: Touch sensitive computer input device. Her Majesty the Queen in right of Canada represented by the Minister of National Defence, Larson Taylor and Hinds, January 27, 1981: US04247767 (105 worldwide citation)

Apparatus for detecting the position of an object, e.g. for interaction with a computer graphic display, has a number of light emitting diodes in an endless array, and a lesser number of light detecting devices for providing electrical signals in response to momentary and successive energization of ...


18
Kenneth J Widder, Andrew E Senyei: Intravascularly-administrable, magnetically-localizable biodegradable carrier. January 27, 1981: US04247406 (102 worldwide citation)

The intravascularly-administrable, magnetically localizable biodegradable carrier comprises microspheres formed from an amino acid polymer matrix with magnetic particles embedded therein. The microspheres can be used for intraarterial administration and capillary level localization and/or release of ...


19
Yukihiro Yoshida, Toru Izaki, Toshiyuki Maegawa, Satoshi Tominaga: Memory clear system. Sharp Kabushiki Kaisha, Birch Stewart Kolasch & Birch, January 27, 1981: US04247905 (99 worldwide citation)

A memory clear method useful to clear a plurality of words contained in a memory from a specific address to an address at the same time. An address register is provided for this purpose. In one preferred form, the address register is responsive to a CX key indicating a memory clear operation, a , ke ...


20
Gunther Rehder: Apparatus for producing a conical surface on a bone. January 27, 1981: US04246895 (98 worldwide citation)

An apparatus for producing a conical, outwardly tapering surface on a bone, especially on a cylindrically pre-worked femur head of a human hip joint. The apparatus includes a drive shaft having a free end. A knife-type cutting device is arranged at the free end of the drive shaft, wherein the cuttin ...