Assignee: Motorola, Inc.

Location: Not specified.
No. of patents: 35

Number	Title	Issue Date
6714105	Micro electro-mechanical system method A meso-scale MEMS device having a cantilevered beam is formed using standard printed wiring board and high density interconnect technologies and practices. The beam includes at least some polymer material to constitute its length, and in some embodiments also compri...	03/30/2004
6192253	Wrist-carried radiotelephone An improved wrist-carried radiotelephone includes a first housing including a microphone, a display and a radio transceiver. A second housing includes a latch, a user interface, a speaker, and a removable battery. A flexible wristband has a first portion ...	02/20/2001
6141757	Secure computer with bus monitoring system and methods A secure computer system (100) includes a host processor (105) for communicating a datum to a trusted bus (101). A bridge (125) connects the trusted bus (101) to an untrusted bus (102). The bridge (125) conveys the datum from the trusted bus (101) to the ...	10/31/2000
6114970	Method of assigning a device identification The present invention provides a method of assigning a unique device identification to an electronic device coupled into a communication architecture. Once coupled into the communication architecture a piece of globally unique identifying data is retrieve...	09/05/2000
5920576	Method and apparatus for providing reminder messages in a communication system A communication system (100) includes a terminal (105) that receives messages for transmission to a transceiver (110). A method for transmitting reminders within the communication system (100) comprises the steps of transmitting a message to the transceiv...	07/06/1999
5867063	Gain distribution circuit A system (100 or 200) includes a first AGC stage (102) having a programming input and a gain input. A second AGC stage (104 or 210 and 234) is coupled in a common path with the first AGC stage, the second AGC stage having a programming input and a gain in...	02/02/1999
5857173	Pronunciation measurement device and method Upon selection of an expression for pronunciation training, a look-up operation is performed in a speaker database (15) to obtain a predetermined model for comparison with a voice of a user received at an input (11). A speech modeling element models speec...	01/05/1999
5850605	Method and apparatus for dynamically grouping transmitters for message transmission in a communication system A communication system (100) for dynamically selecting transmitters (115) for message transmission includes the transmitters (115) for sending transmission signals and a portable messaging unit (105) for receiving the transmission signals, calculating sig...	12/15/1998
5842210	Method and apparatus for selectively retrieving data from a database in a data communication system In a data communication system a first controller (102) selectively retrieves data from a database (316) in a second controller (106). Data corresponding to a plurality of entities is programmed (602) into the database. The data includes a plurality of pa...	11/24/1998
5828607	Memory programming circuit and method A circuit and method modify data stored in a storage element (30) of a memory circuit (110) when high voltages used for such modification exceed transistor breakdowns. A charge pump (302) produces a pumped voltage (VP1) for modifying the data. ...	10/27/1998
5822694	Method and apparatus for providing communication services to a communication unit based on registration type A communication system (100) that includes a plurality of communication units (101-108) and infrastructure equipment (110-115, 140, 141) employs a method and apparatus for providing communication services to a communication unit (e.g., 101). The infrastru...	10/13/1998
5781530	Redundant local area network A control system (101) is utilized by a radio communication system for communicating with selective call transceivers (102). The control system (101) includes an input interface (114) for receiving a message from a user, a processing system (111) for proc...	07/14/1998
5754953	Method and apparatus for assisting a user to activate service for a subscriber unit in a messaging system A memory (218) of a subscriber unit (122) is written (302) with a subscriber unit identification code (226) and an activation data package (228) including an activation home index (230), and at least one of a corresponding service provider name (232), ser...	05/19/1998
5745481	Message system and method for efficient multi-frequency roaming A messaging system capable of transmitting messages to receivers which roam between coverage areas. In one configuration, a coverage area (600) is divided into a plurality of zones (605, 610, 615). A single simulcast system identification (SSID) number is...	04/28/1998
5721450	Moisture relief for chip carriers An integrated circuit package (10) comprises a semiconductor die (14) having a top surface and a bottom surface, and a substrate (16) for receiving the semiconductor die. The substrate should have an aperture(s) (18) below the semiconductor die for provid...	02/24/1998
5666652	Method and apparatus for controlling zone registrations in a radio communication system A method and apparatus controls zone registrations in a radio communication system providing radio coverage to a portable subscriber unit (122, 1200) within a plurality of zones (402). A fixed portion (102) of the radio communication system cooperates wit...	09/09/1997
5574663	Method and apparatus for regenerating a dense motion vector field The present invention provides a method (300) and apparatus (100) for regenerating a dense motion vector field, which describes the motion between two temporally adjacent frames of a video sequence, utilizing a previous dense motion vector field. In this ...	11/12/1996
5541924	Method and device for channel contention and data transmission for packet-switched subscriber units in a communication system The present invention provides a method (400, 500, 600, 700, 800, 900, 1000) and device (1100, 1200, 1300) for contention for channel access to single-slot subscriber units that are capable of transmitting and receiving data on one time slot per TDMA fram...	07/30/1996
5507015	Method and apparatus for automatic modulation calibration in a radio transmitter In a transmitter (100), circuitry is employed to automatically calibrate errors in a modulated carrier signal. A generator (320) is activated to generate (510) a low frequency square wave for use as data, which is used to generate a modulating signal from...	04/09/1996
5481696	Communication apparatus operative to switch dynamically between different communication configurations by indexing each set of configurables with a unique memory address Communication apparatus is operative to switch communication dynamically between itself and a selected one of a predetermined plurality of mating communication devices of different configurations. A memory is provided for storing a plurality of different ...	01/02/1996
5382913	Method and apparatus for generating two phase-coherent signals with arbitrary frequency ratio A method and apparatus for generating two phase-coherent first and second signals with arbitrary frequency ratio includes programming a first numerically controlled oscillator (NCO) with a first frequency word to produce a first NCO output. The first NCO ...	01/17/1995
5001703	Spectrally efficient TDM duplex communication system An improved duplex time division multiplexed (TDM) communication system is provided while conserving spectrum and efficiency. To accommodate two voice signals on one channel, the time allocated in a channel for brief listener voice acknowledgements is sho...	03/19/1991
4939942	Method for measuring the accuracy of insertion equipment A test board is provided with a plurality of cavities that are covered by a film and arranged in a know pattern to coincide with the components to be inserted. The component lead is inserted through the film and into the cavities on the test board. The co...	07/10/1990
4933208	Multilayer thermoplastic substrate and method of manufacture A manufacturing process for a mutlilayer thermoplastic printed circuit substrate (200) begins with a thermoplastic core substrate (202) having a printed circuit pattern (204) on a surface (202A) of the core substrate. Either fully reacted or partially rea...	06/12/1990
4896157	Digital to analog converter having single resistive string with shiftable voltage thereacross A digital to analog converter comprises a plurality of resistors coupled in series, having first and second nodes at the repsective ends of the plurality of resistors coupled in series and a plurality of nodes, one each between each of the plurality of re...	01/23/1990
4888801	Hierarchical key management system A hierarchical key management system includes a number of secure terminals. These terminals provide secure access to a corresponding number of users. A user inserts a security activation device or key into the secure terminal to access a secure connection...	12/19/1989
4764477	CMOS process flow with small gate geometry LDO N-channel transistors A process for forming lightly doped drains in a CMOS circuit utilizing two photoresist masks is disclosed. After gates for N-channel and P-channel transistors have been formed, an N-implant is effected. A first photoresist mask is used as a source/drain i...	08/16/1988
4578612	Shock absorber and spacer for quartz crystals A shock isolator for a fragile crystal device (20) includes a headed vacuum molded Teflon sheath (10) having rib springs (12) molded on the surface (11) for absorbing the shock of impact with nearby components. An integral spacer (14) is provided and coup...	03/25/1986
4489431	Signal interference protection circuit for AM stereo receiver In the field of AM stereo detection, co-channel or adjacent channel interference may cause some distortion and side-to-side movement of a stereo signal source as well as false "stereo detect" signals in AM stereo receivers having phase locked loop (PLL) s...	12/18/1984
4466118	Dual range audio level control A circuit providing a known change in a parameter of a function without interfering with the basic operation of the function is utilized in an audio circuit "loudness contour" control. Bass and treble controls function independently of the volume setting ...	08/14/1984
4410861	Out of lock detector for a sample and hold phase lock loop An out of lock detector for a sample and hold phase locked loop which provides very accurate resolution and can detect that the loop is converging while in the linear range of the phase detector. The circuit is composed of an AC coupled amplifier which re...	10/18/1983
4375622	Multiport radio frequency signal combiner A multiport radio frequency (RF) signal combiner is described for combining three or more RF signals for application to an antenna. The combiner includes an input port for each RF signal, an output port coupled to the antenna, and a tuning port coupled to...	03/01/1983
4352056	Solid-state voltage reference providing a regulated voltage having a high magnitude A two transistor voltage reference circuit controls the ratio of the current densities of two transistors by a negative feedback loop. A voltage corresponding to the difference in the base-to-emitter voltages of the two transistors is developed which has ...	09/28/1982
4347827	Noise blanker circuit for use with electronic ignition systems or the like A circuit suitable to be utilized in an electronic ignition system or the like which receives periodic signal information and which is caused to ignore this information during a portion of each period a predetermined time interval after initiation of each...	09/07/1982
4229741	Two-way communications system and method of synchronizing A control unit and a remote unit each including a transmitter and receiver with the remote unit transmitter and control unit receiver being synchronized first by means of a variable oscillator in the control unit and connected to the receiver in a closed ...	10/21/1980

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Assignee: Motorola, Inc.