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| Number | Title | Issue Date |
| 5257532 | Method and apparatus for measuring moisture content as a function of thermal response Moisture content measurements are accomplished as a function of temperature by measuring the temperature-difference versus natural-logarithm-of-heating-time response of a sample of a predetermined material during a predetermined interval of application of... | 11/02/1993 |
| 5015492 | Method and apparatus for pulsed energy induced vapor deposition of thin films Vapor deposition of a thin film is accomplished by employing a pulsed laser to irradiate at least a region of a homogeneous stoichiometric complex material pellet with sufficient energy density to accomplish congruent evaporation of constituents of the ma... | 05/14/1991 |
| 4980694 | Portable communication apparatus with folded-slot edge-congruent antenna A portable radiotelephone unit is provided with an internal antenna in a space between an internal, electrically conductive enclosure for electrical apparatus of the unit and an external, electrically nonconductive housing of the unit. The antenna is a mi... | 12/25/1990 |
| 4748450 | Vehicular multiband antenna feedline coupling device A multiband antenna mounting and feedline coupling arrangement includes a first transmission line segment secured in a mounting device for the antenna for coupling energy to and from the antenna. A second transmission line segment, extending, e.g., to gro... | 05/31/1988 |
| 4643521 | Plural-channel optical rotary joint An optical rotary joint has a first pair of light beam expanding graded index (GRIN) of refraction lenses coupled to ends of a first pair of lightguide fibers for coupling signals through the rotary joint interface in a first path which is coaxial with th... | 02/17/1987 |
| 4558272 | Current characteristic shaper First and second transistor current sources of complementary conductivity types are connected in series with an output connection between them in the series connection. Input signals control the conduction level of one of the sources so that it diverts co... | 12/10/1985 |
| 4523162 | Microwave circuit device and method for fabrication Microwave devices are fabricated by a method wherein a block of dielectric material is conformed to the physical configuration of a required microwave device, and it is then coated with electrically conductive material. Portions of the coating material ar... | 06/11/1985 |
| 4291198 | General-purpose electronic telephone station set The power of computer-based services is made available to telephone subscribers by a telephone station set (10) including a telephone handset (17) for audio transduction, a video output display screen (13) and manual input key facilities (16,20,23) couple... | 09/22/1981 |
| 4249181 | Cellular mobile radiotelephone system using tilted antenna radiation patterns In cellular mobile radiotelephone systems employing reuse of a predetermined set of channels in adjacent iterations of a pattern of cells (FIG. 1), average signal-to-interference ratio in at least one cell region of interest is improved by tilting the ant... | 02/03/1981 |
| 4229620 | Mobile radiotelephone station two-way ranging system Some cellular mobile radiotelephone systems use tones for certain call connection supervisory functions on radio links. The presence of the correct tone in a received radio channel call signal is determined by using the received signal for producing (32) ... | 10/21/1980 |
| 4229823 | Digital clock phase recovery circuits for data receiver To stabilize the phase of bit rate clock signals recovered from a self-clocking data signal, e.g., a Manchester coded signal, extra signal level transition pulses (58) occurring during intervals of successive bits of the same info bit type are inverted (5... | 10/21/1980 |
| 4220990 | Peripheral processor multifunction timer for data processing systems A peripheral processor (13) and associated memory (21) cooperate with a main processor (10) in a data processing system to provide for the main processor multiple parallel timing channels (7) for timing functions of various durations in an extensive range... | 09/02/1980 |
| 4218770 | Delay modulation data transmission system Characteristic signal state patterns in a self-clocking digital code such as delay modulation (DM), or Miller, coding are used to control a data transmission system. A DM signal is examined (16, 17) for a double-bit-rate information state pattern that is ... | 08/19/1980 |
| 4215250 | Microphone support with simultaneous adjustment of plural degrees of freedom A microphone (11) is secured to one end of a unidirectionally flexible tape (12) which is removably storable in a housing (10) after passage through a tracking mechanism (13). That mechanism is part of a further mechanism (26, 37, 41) for holding an exiti... | 07/29/1980 |
| 4211012 | Electric-signal controlled hand-held printer A character applying device which is controlled by a separate signal processor can be manually moved across a writing surface while the characters are being applied. A single-tipped marking instrument is moved with a prescribed motion parallel to the surf... | 07/08/1980 |
| 4190826 | Multidevice position digital encoder At least one movable device is mechanically coupled to a coupling device which moves in response to the motion of the movable device. The coupling device moves in a path which closely parallels the path of a time-varying, propagating electric field. Upon ... | 02/26/1980 |
| 4112258 | Communication system using intelligent network processor Multibit digital signals, being telephone call signal samples from different simultaneous call connections and coded in an ordered coding system, are stored in different locations of a first buffer store. The respective signals are coupled through a store... | 09/05/1978 |