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)
06/1993
06/01/1993US5216228 Bar code transmission and reception system and method
06/01/1993CA1318731C Electronic key telephone set with function operation test function and method of controlling the same
05/1993
05/30/1993WO1993011626A1 Apparatus for accepting and retaining a smart card
05/28/1993CA2083747A1 Cord winding device
05/27/1993WO1993010616A1 Personal locator and call forwarding
05/26/1993EP0543078A1 Paging method for cordless telephone
05/26/1993EP0542900A1 Portable office cordless telephone
05/26/1993EP0453511A4 A speech processing apparatus and method therefor
05/26/1993CN2134756Y Multifunctional pulsive telephone calling device
05/26/1993CN2134755Y Telephone dial parameter tester
05/26/1993CN1072550A Telephone keyboard input system, device and method
05/25/1993US5214794 Design covering and a housing for a pager
05/25/1993US5214691 Key telephone system with virtual private lines
05/19/1993EP0542275A2 A facsimile apparatus incorporating a cordless telephone set that can process an image signal from a remote unit
05/19/1993EP0542118A2 Cordless telephone apparatus with recording-reproducing means
05/19/1993EP0542049A2 An interactive telephone
05/19/1993EP0542048A1 Bed operating apparatus with supplementary functions
05/19/1993EP0542047A1 Communication system
05/19/1993EP0541772A1 A personal communications device having remote control capability
05/19/1993DE4137678A1 Motor vehicle with radiotelephone remotely operable by driver - allows selection and establishment of telephone call by special operations of switches on steering column.
05/19/1993DE4137339A1 Contact between circuit board and variable distance component, e.g. telephone electroacoustic transducer - has plug-socket connector flow-soldered onto segments of circuit board, with electric contact made via wire bridges
05/19/1993CN2134004Y Cipher-type program-control telephone for calling limiting and timing apparatus
05/19/1993CN2134003Y Automatic answering and recording arrangement for telephone
05/19/1993CN2134002Y Telephone extender having message, answering and recording functions
05/19/1993CN2134001Y Remote-controlled ringing device in telephone
05/19/1993CN2134000Y Remote-controlled ringing device for telephone terminal
05/19/1993CN2133999Y Multifunctional telephone protector
05/19/1993CN2133998Y Light telephone sanitary device on telephone
05/19/1993CN1020837C Telephone support device
05/18/1993US5212811 Radio telephone in which an off operation of an operator-activated power switch is inhibited during a talk mode
05/18/1993US5212810 Terminal equipment of a vehicle radio telephone system
05/18/1993US5212809 Radio communication system
05/18/1993US5212808 Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit
05/18/1993US5212721 Telephone dialing paging apparatus method
05/13/1993WO1993009493A1 A wireless communication system
05/12/1993EP0541439A1 Aural communication device including a proximity detector
05/12/1993EP0541119A1 Controller for data transfer between a digital telephone network and a processor controlled terminal
05/12/1993EP0541118A1 Controller for data transfer between a digital telephone network and a processor controlled terminal
05/12/1993EP0540947A2 Mixed signal processing system and method for powering same
05/12/1993EP0540928A2 Method for automatic redialling in communication terminals
05/12/1993EP0540553A1 Composite acoustic system for telephone hand-sets
05/12/1993CN2133102Y Outer automatic recorder for telephone
05/12/1993CN2133101Y Pushbutton dail telephon with cipher lock
05/12/1993CN2133100Y Disinfection cover for telephone
05/12/1993CN2133099Y Rotary disinfection microphone
05/11/1993US5210793 Apparatus for mounting transducers
05/11/1993US5210792 Ear-hang type headset
05/11/1993US5210791 Telephone headset on-line indicator
05/11/1993US5210790 Device for setting and tone dialing a single telephone number
05/11/1993US5210788 Telephone instrument and distribution system
05/11/1993US5210785 Wireless communication system
05/11/1993US5209446 Rotary stand
05/06/1993DE4136065A1 Portable telephone with in built video game function - has key=pad, program and working memories, display, and switch to select video game function
05/05/1993EP0540147A2 Multi-status multi-function data processing key and key array
05/05/1993EP0539798A2 Support foot for telephone apparatus
05/05/1993EP0539797A2 Wall- or desk-mounted telephone
05/05/1993EP0539699A2 Portable communications receiver with miniature virtual image display
05/05/1993EP0235127B2 Hands-free control system for a radiotelephone
05/05/1993CN2132357Y Single channel carr extension security separator for users in city
05/05/1993CN2132356Y Fully automatic telephone receiver-recorder
05/05/1993CN2132355Y Wire breakage detector
05/05/1993CN2132354Y Telephone set with electronic communication record
05/05/1993CN2132353Y Automatic sterilization deodorization telephone set
05/05/1993CN2132352Y Sterilizing device for telephone transmitter
05/05/1993CN1071794A Electrical interconnection apparatus
05/04/1993US5208867 Voice transmission system and method for high ambient noise conditions
05/04/1993US5208852 Sound generation circuit
05/04/1993US5208849 Method of and apparatus for private telephone automatic locating and answering
05/04/1993US5208846 Subscriber loop tester for telephone switching systems
05/04/1993US5208812 Telecommunications system
05/04/1993US5208718 Protection circuit
05/04/1993US5208449 Portable transaction terminal
05/04/1993CA1317348C Location based adaptive radio control
04/1993
04/29/1993WO1993008660A1 Communication system link re-establishment protocol
04/29/1993WO1993008615A1 Cellular telephone with keypad controller
04/29/1993DE4223928A1 Connection socket for telecommunication applications - has base unit with terminal blocks for ribbon cables and wires coupled to socket through base circuit board
04/29/1993CA2120621A1 Communication system link re-establishment protocol
04/28/1993EP0539102A2 Use of incoming caller line indentification
04/28/1993EP0539101A2 Calling line identification
04/28/1993EP0538559A2 Telephone headset for personal computer
04/28/1993CN2131170Y 冷光字符键盘 EL character keyboard
04/27/1993US5206904 Apparatus for driving a service function unit of a multi-function telephone set
04/27/1993US5206900 Automated attendant
04/27/1993US5206898 Transmission control unit
04/27/1993CA1317016C Electronic apparatus for "hands off" control of a voice mail system
04/23/1993CA2071261A1 Telephone headset for personal computer
04/21/1993EP0538217A1 Apparatus for sound level reduction or operator alerting
04/21/1993EP0538216A1 Means for identification and exchange of encryption keys
04/21/1993EP0313562B1 Telephone on-hold device
04/21/1993EP0236432B1 Optical fiber bandwidth limiting method
04/21/1993CN2130311Y Disinfecting desease-preventing cover for telephone
04/21/1993CN2130310Y Portable antenna of telephone
04/21/1993CN1071292A Battery saver for wireless telephone
04/21/1993CN1071291A Portable communications receiver with miniature virtual image display
04/20/1993US5204861 Key telephone system with enhanced connectivity
04/20/1993US5204757 Facsimile front end router
04/20/1993CA1316617C Telephone
04/20/1993CA1316616C Pocket data receiver with full page visual display
04/19/1993WO1993008649A1 Electroacoustic transducer mounting apparatus
04/15/1993WO1993007703A1 Audio processing system for teleconferencing system
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