Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 1 - Substation equipment, e.g. for use by subscribers
Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
10/1991
10/30/1991EP0454297A2 Holder for a portable telephone
10/30/1991EP0454262A1 Electronic circuit for signalling and/or preventing improper use of a telephone subscriber line
10/30/1991EP0454080A2 Cordless telephone system capable of quickly establishing connection during call setup phase
10/30/1991EP0453831A2 User interfaces for telecommunications based services
10/30/1991EP0453608A1 Method for automatic redialling of selective dial information recorded in a memory
10/30/1991EP0453511A1 A speech processing apparatus and method therefor
10/30/1991CN2087849U Same-wire change-over call telephone
10/30/1991CN2087848U Disposable sanitary thin film for public phone
10/30/1991CN2087847U Transfer jack for phone
10/29/1991US5062134 Timer for controlling telephone usage
10/29/1991US5062133 Multi-function telephone call management system
10/29/1991US5062132 Telephone apparatus providing for automatic transfer of stored data between handsets
10/29/1991US5062131 Telephone line monitoring circuit for providing a visual and auditory signal if the telephone line becomes inoperative
10/29/1991US5062069 Id.rom emulator for mca wireless apparatus
10/29/1991US5061023 Telephone terminal bases
10/24/1991DE4012863A1 Car telephone with automatic number selection - uses memory holding data representing required call number
10/23/1991EP0453089A2 Portable radio telephone
10/23/1991EP0453061A2 Acoustic insulator for a microphone in a telephone handset
10/23/1991EP0452865A2 Facsimile apparatus comprising cordless telephone set
10/23/1991EP0452864A2 Facsimile apparatus comprising cordless telephone set
10/23/1991EP0452860A2 Facsimile apparatus comprising cordless telephone set
10/23/1991EP0452859A2 Facsimile apparatus comprising cordless telephone set
10/23/1991EP0452629A2 Telephone apparatus capable of setting card unit therein as electronic notebook
10/23/1991EP0452559A2 Mounting for a hookswitch lever in a telephone set
10/23/1991EP0452486A1 Face mask apparatus
10/23/1991EP0452478A1 Apparatus for removably connecting a cellular portable telephone to a computer
10/23/1991EP0389569B1 Circuit arrangement with adjustable active and/or passive components
10/23/1991CN2087406U Electronic lock for all functional direct call telephone set
10/23/1991CN2087404U Noise-proof electronic telephone set
10/23/1991CN2087403U Automatic telephone set of magneto-electron
10/23/1991CN1055632A Self-powered base and remote telephone communication set
10/22/1991US5060295 Radio device with controlled port and method of port control
10/22/1991US5060259 Call progress capability for a switched channel data service unit
10/22/1991US5059141 Modem/telephone handset cord adaptor
10/22/1991CA1291282C Loudspeaking telephone with a frequency shifting circuit
10/22/1991CA1291218C Analog/digital data storage system
10/22/1991CA1291217C Miniature shield with opposing cantilever spring fingers
10/17/1991WO1991015913A1 Composite telephone set
10/17/1991DE4012193A1 Telephone subscriber circuit with data card reader - uses sensor coupled to evaluation and control device transmitting data to exchange
10/17/1991CA2040550A1 Synthesized speech terminal system for data communication
10/16/1991EP0452239A1 Multifunction control system with electroacoustic means for selecting available functions by an operator and means for validating the selection
10/16/1991EP0451711A2 Self-diagnosis of loop start and ground start trunk interfaces
10/16/1991EP0451523A2 Interface for connecting a computer to a digital telecommunications terminal
10/16/1991EP0451187A1 Communications unit for fitting in vehicles.
10/16/1991CN2086953U Terminal for telephone meeting
10/16/1991CN2086952U Miniature electric derectory device
10/16/1991CN1014386B High-frequency high-intensity electromagnetic field signal anti-interference circuit of telephone set
10/15/1991US5058203 Mobile telephone terminal having selectively used processor unit for low power consumption
10/15/1991US5058155 Multipurpose headset amplifier
10/15/1991US5058154 Telephone handset having a pure acoustic resistance connection
10/15/1991US5058152 Anonymous interactive telephone system having direct connect feature
10/15/1991US5058151 Multi-user cordless telephone capable of discernibly notifying each user
10/15/1991US5058150 Automatic answering method for a vehicle radio-telephone and device therefor
10/15/1991US5057941 Facsimile device
10/15/1991CA1290871C Method for terminating a telephone call by voice command
10/10/1991DE4011339A1 Automatically dialling set=up using personal computer memory - storing telephone numbers and selecting desired number corresp. to name and/or address
10/10/1991DE4009954A1 Telephone subscriber's appts. signal and power supply circuitry - uses shunt regulator consisting of Zener diodes to separate exchange battery supply and digital signals without attenuation
10/09/1991EP0450550A2 Communication apparatus with electronic notebook and telephone exchange related to the same
10/09/1991EP0450497A2 Facsimile apparatus
10/09/1991EP0211059B1 Wall coating enabling the supply of an electric receiver with variable positions on the wall
10/09/1991CN2086484U Automatic calling device of telephone
10/09/1991CN2086483U Telephone set with automatic sterilized function
10/09/1991CN2086482U Rotary telephone set base
10/09/1991CN1055269A Multi-function keyswitch type electronic telephone set
10/08/1991US5056132 Switch device adapted to interface between an incoming telephone line and an internal telephone system
10/08/1991US5056131 Telephone line monitoring circuitry and apparatus
10/08/1991US5056083 Telephone apparatus and a method of controlling same
10/08/1991US5055947 Cassette for storing data in a solid state memory in lieu of tape
10/03/1991WO1991015077A1 Control device for a subscriber device for automatic switching of the type of communication
10/03/1991WO1991015072A1 Device to prevent telephone handset from sliding
10/02/1991EP0449601A2 Crystal oscillator for use in timepiece of battery-powered portable apparatus
10/02/1991EP0448984A2 Keyboard and display system for operating several accessories in a motor vehicle
10/02/1991DE4008968A1 Steuereinrichtung fuer eine teilnehmereinrichtung zum automatischen umschalten der kommunikationsart Control means for a subscriber device to automatically switch the communication
10/01/1991US5054115 Radio telephone apparatus
10/01/1991US5054082 Method and apparatus for programming devices to recognize voice commands
10/01/1991US5054061 Hands-free telephone
10/01/1991US5054059 Telephone dialing system for specialized services
10/01/1991US5054058 Telephone and telephone system having improved one-touch calling
10/01/1991US5054055 Telephone system and method for the intelligent use of individual calling line identification information
10/01/1991US5054053 Speech recognition system for telephony
10/01/1991US5054051 Autodial from database in an electronic wristwatch
10/01/1991CA1290022C Two-way radio communications system having selectable operating modes
09/1991
09/26/1991DE4108169A1 Vehicular combined radio telephone and computer peripheral - has telephone handpiece supported by holder at rear of keyboard flip-up cover
09/26/1991DE4009477A1 IR remote control terminal e.g. for telephone - has stored information sets converted into transmitted remote control signals
09/26/1991DE4009074A1 Operational data input into telecommunication exchanges or terminals - involves conversion between formats of data received or transmitted over wireless link to remote operation unit
09/25/1991EP0448369A2 Control of a card interface for access to an apparatus such as a telephone
09/25/1991EP0448197A2 Cordless telecommunications apparatus
09/25/1991EP0447934A2 Method for entering switching related customer and operational data into communication exchanges and/or programmable communication terminals
09/25/1991EP0447715A2 Cradle for mobile telephone handset
09/24/1991US5052020 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
09/24/1991CA1289685C Telephone memory controller arrangement
09/24/1991CA1289649C Method and apparatus for providing virtual facility communication service
09/24/1991CA1289534C Planar light emitting device
09/21/1991CA2038276A1 Telephone message system
09/21/1991CA2012741A1 Telephone base structures
09/19/1991WO1991014332A1 Radio telephone with secondary charging capability
09/19/1991WO1991014331A1 Automatic area code dialing apparatus and methods particularly adapted for cellular or other types of telephone systems
09/19/1991DE4008657A1 Transportable radio telephone - uses disc shaped with handset cord retaining channel to improve portability
09/19/1991DE4008598A1 Key interface for mobile radio equipment - uses only two keys and time interval measurements in conjunction with speech circuitry
09/19/1991DE4008595A1 Microphone for close speech avoiding background noise - has two sound receivers at slight manual spacing in range of their sensitive surfaces
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