Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD421002 S
Publication typeGrant
Application numberUS 29/088,163
Publication dateFeb 22, 2000
Filing dateMay 15, 1998
Publication number088163, 29088163, US D421002 S, US D421002S, US-S-D421002, USD421002 S, USD421002S
InventorsSteven F. Davidson, Kim D. Vollendorf, Michael F. DiCicco, David C. Brown, Christopher C. Gielow, David J. Cottingham
Original AssigneeNorthrop Grumman Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Personal communications unit handset
US D421002 S
Abstract  available in
Previous page
Next page
  1. The ornamental design for a personal communications unit handset, as shown and described.

FIG. 1 is a front perspective view of the invention, which also shows a first side and the top thereof;

FIG. 2 is a front perspective view of the invention, which also shows a second side and the bottom thereof;

FIG. 3 is a side view of the invention;

FIG. 4 is a rear view of the invention;

FIG. 5 is a bottom view of the invention; and,

FIG. 6 is a top view of the invention.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US3916312Sep 11, 1973Oct 28, 1975Campbell William LewisPortable audio communication transceiver device
US3917372Oct 3, 1974Nov 4, 1975Motorola IncSupporting and connecting structure for electric device
US4025721May 4, 1976May 24, 1977Biocommunications Research CorporationMethod of and means for adaptively filtering near-stationary noise from speech
US4031468May 4, 1976Jun 21, 1977Reach Electronics, Inc.Receiver mount
US4052568Apr 23, 1976Oct 4, 1977Communications Satellite CorporationDigital voice switch
US4156797Aug 4, 1978May 29, 1979The Boeing CompanyFilter for voice operated triggering circuits
US4227258Jan 18, 1979Oct 7, 1980Scope IncorporatedHousing for a hand held transmitter-receiver
US4277645Jan 25, 1980Jul 7, 1981Bell Telephone Laboratories, IncorporatedMultiple variable threshold speech detector
US4325142Jul 25, 1980Apr 13, 1982Nippon Electric Co., Ltd.Portable radio set with a carrying holder
US4374301Sep 18, 1980Feb 15, 1983Gentex CorporationLocal external communication device for enclosed helmet and mask assembly
US4417102Jun 4, 1981Nov 22, 1983Bell Telephone Laboratories, IncorporatedNoise and bit rate reduction arrangements
US4484344Mar 1, 1982Nov 20, 1984Rockwell International CorporationVoice operated switch
US4621373Mar 13, 1984Nov 4, 1986General Electric CompanyControl surface for a trunking personal radio
US4625083Apr 2, 1985Nov 25, 1986Poikela Timo JVoice operated switch
US4627107Jul 6, 1981Dec 2, 1986Robert Bosch GmbhRadio communications system including vehicle mounted and hand-held radio devices
US4654882Apr 15, 1985Mar 31, 1987Nec CorporationRadio communication device and method of controlling transmitter output power
US4682367Nov 13, 1985Jul 21, 1987General Electric CompanyMobile radio communications system with join feature
US4734049Apr 9, 1986Mar 29, 1988Uniden Corporation Of AmericaMechanical latch mechanism for combination portable transceiver and charging unit
US4754484Aug 21, 1986Jun 28, 1988Acs Communications, Inc.Convertible handset/headset for telephone
US4761823Sep 5, 1986Aug 2, 1988E. F. Johnson CompanyCommunications adaptor bracket
US4882746Mar 17, 1988Nov 21, 1989Masatoshi ShimadaCordless telephone system
US4903325Jun 30, 1988Feb 20, 1990Mitsubishi Denki Kabushiki KaishaPortable wireless communication apparatus
US4905272Aug 22, 1988Feb 27, 1990U.S. Philips CorporationPABX cordless telephone system
US4955050Mar 31, 1989Sep 4, 1990Hitachi, Ltd.System configuration of wireless PBX and communication method therefor
US4993065Apr 4, 1989Feb 12, 1991Gamma Inc.Accessory communication device for telephone sets
US5020090Nov 13, 1989May 28, 1991Intelligence Technology CorporationApparatus for removably connecting a cellular portable telephone to a computer
US5023936Aug 7, 1989Jun 11, 1991General Electric CompanyMethod and apparatus for externally defining the operational mode of a digital radio transceiver
US5038400Oct 9, 1990Aug 6, 1991Motorola, Inc.Carry holder for an electronic device
US5081641Feb 6, 1990Jan 14, 1992Motorola, Inc.Interconnecting and processing system for facilitating frequency hopping
US5121391Nov 20, 1989Jun 9, 1992International Mobile MachinesSubscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels
US5121504Dec 12, 1989Jun 9, 1992Mitsubishi Denki Kabushiki KaishaMobile radio telephone device with a detachable adapter for external power and antenna connection
US5128959Feb 22, 1991Jul 7, 1992Motorola, Inc.Variable bandwidth CDMA radio system
US5133001Dec 19, 1989Jul 21, 1992Standard Elektrik Lorenz A.G.Radiotelephone system in the form of a private branch exchange
US5140628Nov 30, 1989Aug 18, 1992Kabushiki Kaisha ToshibaRadio telephone system control method
US5170494May 13, 1991Dec 8, 1992Nokia Mobile Phones Ltd.Two piece radio telephone
US5189358Sep 24, 1991Feb 23, 1993Fujitsu LimitedAdaptor for mounting portable radio apparatus to moving body and charger for portable radio apparatus
US5191593May 31, 1991Mar 2, 1993Motorola, Inc.Conference call feature for spread spectrum cordless telephone
US5193217Apr 23, 1990Mar 9, 1993Motorola, Inc.Low voltage IC for voice operated transceiver
US5230016Dec 11, 1991Jul 20, 1993Sony CorporationHolder for portable electronic equipment
US5230080Mar 6, 1991Jul 20, 1993Compagnie Generale Des Matieres NucleairesUltra-high frequency communication installation
US5247567Apr 29, 1992Sep 21, 1993Pioneer Electronic CorporationPortable-to-portable talk system for cordless telephone
US5255308Feb 8, 1991Oct 19, 1993Nec CorporationWide area cordless telephone system capable of receiving incoming group address calls
US5259017Apr 4, 1990Nov 2, 1993Siemens AktiengesellschaftCordless telephone system with a private automatic branch exchange
US5259020Apr 29, 1992Nov 2, 1993Pioneer Electronic CorporationPortable-to-portable call transfer system for cordless telephone
US5261121Aug 13, 1990Nov 9, 1993Nec CorporationPortable radio transceiver system having improved adaptor and/or improved receiver signal control arrangement
US5263047Jul 2, 1992Nov 16, 1993Motorola, Inc.Multiple cavity tuning of a transmitter output in a communication system
US5265150Jan 30, 1991Nov 23, 1993At&T Bell LaboratoriesAutomatically configuring wireless PBX system
US5274634Sep 24, 1992Dec 28, 1993Mitel CorporationPABX common channel relay system
US5276680May 1, 1991Jan 4, 1994Telesystems Slw Inc.Wireless coupling of devices to wired network
US5276765Mar 10, 1989Jan 4, 1994British Telecommunications Public Limited CompanyVoice activity detection
US5283806Jul 15, 1992Feb 1, 1994Alcatel N.V.Method of sequencing signal processing in the communication mode of a digital cellular radio system
US5283817Apr 17, 1991Feb 1, 1994Nec CorporationCordless key telephone system for covering multiple service areas having exclusively assigned control channels
US5293588Apr 9, 1991Mar 8, 1994Kabushiki Kaisha ToshibaSpeech detection apparatus not affected by input energy or background noise levels
US5297142Jul 18, 1991Mar 22, 1994Motorola, Inc.Data transfer method and apparatus for communication between a peripheral and a master
US5305467Dec 3, 1990Apr 19, 1994Ericsson Ge Mobile Communications Inc.Local area network for flexible digital communications within and between RF base stations
US5325419Jan 4, 1993Jun 28, 1994Ameritech CorporationWireless digital personal communications system having voice/data/image two-way calling and intercell hand-off
US5353331Mar 5, 1992Oct 4, 1994Bell Atlantic Network Services, Inc.Personal communications service using wireline/wireless integration
US5365572Sep 21, 1992Nov 15, 1994Nec CorporationCordless key telephone system with multiple tenant facility
US5390233Aug 31, 1993Feb 14, 1995At&T Corp.Telephone call transfer between a wireless and wired telephone
US5406615Aug 4, 1993Apr 11, 1995At&T Corp.Multi-band wireless radiotelephone operative in a plurality of air interface of differing wireless communications systems
US5408496Jun 18, 1993Apr 18, 1995Rafael Armament Development AuthoritySpread-spectrum, frequency-hopping radiotelephone system
US5410632Dec 23, 1991Apr 25, 1995Motorola, Inc.Variable hangover time in a voice activity detector
US5410737Apr 27, 1992Apr 25, 1995American Pcs L.P.Frequency agile sharing technology (FAST) for a personal communications service system
US5416828Mar 23, 1993May 16, 1995Aisin Seiki Kabushiki KaishaInterface device for an automobile telephone-set with a data transmission device
US5440613Jul 27, 1994Aug 8, 1995At&T Corp.Architecture for a cellular wireless telecommunication system
US5442659Oct 22, 1993Aug 15, 1995International Business Machines CorporationRadio communications system with fault tolerant frequency hopping synchronization
US5446769Mar 4, 1994Aug 29, 1995Motorola, Inc.Method for providing hand-offs in a frequency hopping communication system
US5448757Apr 4, 1994Sep 5, 1995Pioneer Electronic CorporationAudio signal modulating system with pre-emphasis
US5459814Mar 26, 1993Oct 17, 1995Hughes Aircraft CompanyVoice activity detector for speech signals in variable background noise
US5465401Dec 15, 1992Nov 7, 1995Texas Instruments IncorporatedCommunication system and methods for enhanced information transfer
US5469496Apr 19, 1994Nov 21, 1995Bell Atlantic Network Services, Inc.Personal communications service using wireline/wireless integration
US5471503Dec 29, 1992Nov 28, 1995Apple Computer, Inc.Scanning method for receiving a transmission in a communication system with slow frequency hopping and coding
US5481591Feb 10, 1994Jan 2, 1996Nec CorporationPrivate branch radio extension terminating system
US5487175Nov 15, 1993Jan 23, 1996Qualcomm IncorporatedMethod of invoking and canceling voice or data service from a mobile unit
US5493703Jul 18, 1994Feb 20, 1996Nec CorporationPortable radio device with on-vehicle adaptor system
US5504803Aug 2, 1993Apr 2, 1996Matsushita Electric Industrial Co., Ltd.Method for automatic mode selection for a dual-mode telephone handset for use in a cellular mobile telephone system and in a wireless telephone system
US5506887Mar 31, 1995Apr 9, 1996Bell Atlantic Network Services, Inc.Personal communications service using wireline/wireless integration
US5509053Sep 14, 1994Apr 16, 1996Motorola, Inc.Method and apparatus for routing a call to a mobile communication unit in a telepoint communication system
US5509406Jul 20, 1995Apr 23, 1996Siemens Elema AbAnesthesia device
US5513248Jun 10, 1994Apr 30, 1996At&T Corp.Cordless telephone micro-cellular system
US5519763Dec 27, 1994May 21, 1996Matsushita Graphic Communication System, Inc.Communication apparatus with wireless intercommunication
US5533097Dec 8, 1993Jul 2, 1996Motorola, Inc.Portable communication system comprising a local and wide area communication units which can store a communication when the wide area communication system is not available
US5555448Feb 27, 1995Sep 10, 1996Delco Electronics CorporationCombined wireless/wired phone handset system
US5568536Jul 25, 1994Oct 22, 1996International Business Machines CorporationSelective reconfiguration method and apparatus in a multiple application personal communications device
US5574775Oct 25, 1994Nov 12, 1996Lucent Technologies, Inc.Universal wireless radiotelephone system
US5579535Jan 6, 1995Nov 26, 1996Motorola, Inc.Personal communication system providing supplemental information mode
US5590406Apr 21, 1995Dec 31, 1996Qualcomm IncorporatedMethod of invoking and canceling voice or data service from a mobile unit
US5590417Feb 28, 1995Dec 31, 1996Ericsson Inc.Radiotelephone apparatus including a wireless headset
US5594777Aug 26, 1993Jan 14, 1997Telecom Finland OyWireless private branch exchange system for use with mobile communication devices
US5594952Feb 23, 1995Jan 14, 1997International Business Machines CorporationDevice for integration between voice and data radio communication
US5596333Aug 31, 1994Jan 21, 1997Motorola, Inc.Method and apparatus for conveying a communication signal between a communication unit and a base site
US5602843Apr 1, 1996Feb 11, 1997Mitel CorporationIntegrated wired and wireless telecommunications system
US5603081Nov 1, 1993Feb 11, 1997Telefonaktiebolaget Lm EricssonMethod for communicating in a wireless communication system
US5606560Sep 23, 1994Feb 25, 1997Motorola, Inc.Between a base station and a portable device
US5610972Jun 5, 1995Mar 11, 1997Bell Atlantic Network Services, Inc.Personal communications service using wireline/wireless integration
US5619493Feb 26, 1996Apr 8, 1997Rafael Armament Development AuthoritySpread-spectrum, frequency-hopping radio telephone system with voice activation
US5619553Jun 1, 1994Apr 8, 1997Vtech Communications, Ltd.Method of conducting an intercom communication between two cordless telephone handsets
US5625673Sep 22, 1994Apr 29, 1997Lucent Technologies Inc.Modular communication apparatus
US5625877Mar 15, 1995Apr 29, 1997International Business Machines CorporationWireless variable bandwidth air-link system
US5633911Jan 23, 1995May 27, 1997Motorola, Inc.Method and apparatus for reserving a telephone line in a telepoint communication system
US5640689Mar 31, 1995Jun 17, 1997Compaq Computer Corp.Communications apparatus with antenna switching based on antenna rotation
US5644621Jan 10, 1995Jul 1, 1997Matsushita Electric Industrial Co., Ltd.Point to multipoint radiotelephone system
US5649055Sep 29, 1995Jul 15, 1997Hughes ElectronicsVoice activity detector for speech signals in variable background noise
US5657375Nov 15, 1994Aug 12, 1997Ameritech CorporationWireless digital personal communications system having voice/data/image two-way calling and intercell hand off provided through distributed logic
US5657422Jan 28, 1994Aug 12, 1997Lucent Technologies Inc.Voice activity detection driven noise remediator
US5659594Feb 15, 1995Aug 19, 1997Fujitsu LimitedMobile telephone system capable of adapting a portable telephone set
US5659882Oct 6, 1994Aug 19, 1997Hitachi, Ltd.Personal communication system for personal stations operating in a moving object
US5659890Mar 28, 1995Aug 19, 1997Casio Computer Co., Ltd.Portable radio apparatus equipped with function to display received message information
US5664005Jun 5, 1995Sep 2, 1997Bell Atlantic Network Services, Inc.Personal communications service using wireline/wireless integration
US5675629Sep 8, 1995Oct 7, 1997At&TCordless cellular system base station
US5774793Dec 22, 1994Jun 30, 1998Ora Electronics, Inc.System and method for interfacing diversely controlled devices to a bus connector having a common signal format
USD265402Jun 17, 1980Jul 13, 1982Oki Electric Industry Co. Ltd.Transceiver for a car telephone set
USD267249Jun 16, 1980Dec 14, 1982Oki Electric Industry Co., Ltd.Transceiver for a car telephone set
USD268182Nov 12, 1980Mar 8, 1983The General CorporationHand held radio transceiver or similar article
USD298242Jun 18, 1987Oct 25, 1988Oki Electric Industry Co., Ltd.Portable handset radio telephone
USD302161Oct 27, 1986Jul 11, 1989Motorola, Inc.Speaker grille and keypad for a portable radio or similar article
USD302688Aug 29, 1986Aug 8, 1989Motorola, Inc.Portable two-way radio or similar article
USD309136Nov 2, 1987Jul 10, 1990Motorola, Inc.Portable two-way radio or similar article
USD339128Feb 14, 1992Sep 7, 1993Motorola, Inc.Portable radio/phone
USD348878Feb 24, 1992Jul 19, 1994Motorola, Inc.Portable marine radio
USD358147Dec 14, 1992May 9, 1995Motorola, Inc.Portable communication device
USD368711Apr 13, 1995Apr 9, 1996Sony Corporation Of AmericaPortable telephone
USD378678May 31, 1994Apr 1, 1997Motorola, Inc.Portable two-way radio
USD378816Nov 9, 1995Apr 15, 1997Sony CorporationWireless telephone
USD383457Mar 4, 1996Sep 9, 1997Motorola, Inc.Portable radio housing
USD383745Aug 5, 1996Sep 16, 1997Motorola, Inc.Portable two-way communication device
USD384059Apr 11, 1995Sep 23, 1997E.F. Johnson CompanyHandheld two-way radio with hinged cover
USD385269Apr 2, 1996Oct 21, 1997Metex CorporationPortable radio communication apparatus
USD385270May 10, 1996Oct 21, 1997Motorola, Inc.Radio communication device
USD393260May 10, 1996Apr 7, 1998Motorola, Inc.Radio communication device
USD393638Mar 8, 1996Apr 21, 1998Motorola, Inc.Portable radio housing
USD398823Dec 3, 1997Sep 29, 1998 Socket wrench
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD753089 *Jun 3, 2014Apr 5, 2016Ofer ShepherMobile telephone
USD800085 *Mar 4, 2016Oct 17, 2017Ofer ShepherMobile telephone
U.S. ClassificationD14/137