Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
---|
12/07/1994 | EP0626121A4 Method and apparatus for optimum channel assignment. |
12/07/1994 | CN1096151A Reprogrammable terminal for suggesting programs offered on a television program delivery system |
12/07/1994 | CN1026946C Battery chamber module with integrative limited moving rail |
12/07/1994 | CN1026944C Communicating equipment |
12/06/1994 | US5371901 Remote voice control system |
12/06/1994 | US5371858 Data communication system for assigning addresses to hand-held data terminals |
12/06/1994 | US5371791 Housing assembly fastener for fastening housing assembly portions and a substrate |
12/06/1994 | US5371790 Telephone with resilient housing |
12/06/1994 | US5371788 Arrangement for displaying menu screens on a telephone terminal |
12/06/1994 | US5371787 Machine answer detection |
12/06/1994 | US5371784 Remote auxilliary charging cradle for cordless telephone handset |
12/06/1994 | US5371783 Method for continually monitoring the status of a radio frequency link |
12/06/1994 | US5371781 System and method for identifying the incoming directory number when multiple directory numbers are assigned to one wireless device |
12/06/1994 | US5371779 Call initiating system for mobile telephone units |
12/06/1994 | US5371428 Piezoelectric transducer |
12/02/1994 | CA2124266A1 Answering system having message reminder service |
12/02/1994 | CA2123041A1 Method for locating a user of telephone subscriber equipment |
12/01/1994 | DE4421508A1 System for summoning help for persons or occupants of vehicles carrying a mobile telephone |
11/30/1994 | EP0626773A1 Handheld radio-telephone with remote loudspeaker |
11/30/1994 | EP0626121A1 Method and apparatus for optimum channel assignment |
11/30/1994 | EP0626118A1 Wireless telephone |
11/30/1994 | CN2184299Y Anti-fungus odorless telephone membrane |
11/30/1994 | CN2184298Y Adornment pad for telephone |
11/30/1994 | CN2184297Y Multifunction protector for telephone |
11/30/1994 | CN2184296Y 无线电话机 Radiotelephone |
11/30/1994 | CN2184295Y Highly stable wireless telephone |
11/30/1994 | CN1095873A Wireline interface for cellular telephone |
11/30/1994 | CN1026845C A two-handset cordless telephone system |
11/30/1994 | CN1026844C Method and apparatus for optimum channel assignment |
11/30/1994 | CN1026841C Hinge apparatus for foldable radiotelephones |
11/29/1994 | US5369802 Method and apparatus for improved battery replacement |
11/29/1994 | US5369788 Miniature portable radio communication apparatus |
11/29/1994 | US5369701 Compact loudspeaker assembly |
11/29/1994 | US5369700 Multi-function telephone apparatus and control method |
11/29/1994 | US5369697 Method and apparatus for automatically switching between pulse code and DTMF signals generated by a telephone |
11/29/1994 | US5369690 Telephone call detecting circuit and a method of remotely accessing and testing a telephone |
11/29/1994 | US5369689 Facsimile apparatus |
11/29/1994 | US5369688 Data communication apparatus with interrupt completion detecting |
11/29/1994 | US5369685 Voice-activated telephone directory and call placement system |
11/29/1994 | CA2173003A1 Method and apparatus for delivering secured telephony service to a hybrid coaxial cable network |
11/24/1994 | WO1994027397A1 Computer-to-telephone interface |
11/24/1994 | WO1994027394A1 Telephone answering and voice messaging machine |
11/24/1994 | WO1994027364A1 Circuitry for a telephone subscriber station |
11/24/1994 | WO1994027309A1 Transformed current sensing relay for use in switched network modems and circuit incorporating same |
11/24/1994 | CA2159462A1 Transformed current sensing relay for use in switched network modems and circuit incorporating same |
11/23/1994 | EP0625864A1 Differential microphone on a portable radio telephone |
11/23/1994 | EP0625862A2 Network control apparatus |
11/23/1994 | EP0625299A1 An electro-acoustic transducer |
11/23/1994 | CN1095535A Billing system for radio communications |
11/22/1994 | US5367570 Dual telephone |
11/22/1994 | US5367560 Telephone answering device with a plurality of passwords |
11/22/1994 | US5367556 Portable radio telephone used with an adaptor unit having a hand-free circuit |
11/22/1994 | US5367298 Data input terminal |
11/22/1994 | US5367133 Keypad including membrane with replaceable key elements |
11/22/1994 | US5365660 Method of protecting a circuit in a telephone junction box |
11/22/1994 | CA2009016C Dialer circuit |
11/17/1994 | EP0624966A2 Telephone apparatus providing calling party identification |
11/17/1994 | EP0624965A2 Method and system for searching an on-line directory at a telephone station |
11/16/1994 | CN2183059Y Arrangement for recording message forabsent telephone subscriber |
11/16/1994 | CN2183058Y Intelligence device for dialing |
11/16/1994 | CN2183057Y Device for bell calling a subscriber |
11/16/1994 | CN2183056Y Arrangement for automatic testing fraudulence use of telephone communication |
11/15/1994 | US5365583 Method for fail-safe operation in a speaker phone system |
11/15/1994 | US5365578 Method and system for transferring special circuit telephone pairs |
11/15/1994 | US5365577 Telecommunication display system |
11/15/1994 | US5365573 Cordless telephone system including detachable radio unit for communicating with a base unit and a mobile unit |
11/15/1994 | US5365572 Cordless key telephone system with multiple tenant facility |
11/15/1994 | US5365570 Emergency cellular telephone apparatus |
11/15/1994 | US5365546 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
11/15/1994 | US5365230 For a computer |
11/15/1994 | CA2123461A1 Hand-held radiotelephone |
11/15/1994 | CA2122517A1 Telephone apparatus with caller identification |
11/10/1994 | WO1994026055A1 Method of operating a combination radiotelephone and paging device |
11/10/1994 | WO1994026054A1 Apparatus and method for transparent telephony |
11/10/1994 | WO1994026053A1 Acoustic caller identification device for telephone sets |
11/10/1994 | WO1994026038A1 Multiple antenna selection and antenna cap for computer devices utilizing radio and modem cards |
11/10/1994 | WO1994025957A1 Voice transmission system and method for high ambient noise conditions |
11/10/1994 | DE4336948C1 Device for sound transduction |
11/10/1994 | DE4336791C1 Method for selecting a telephone number from a telephone number memory |
11/10/1994 | CA2161675A1 Multiple antenna selection and antenna cap for computer devices utilizing radio and modem cards |
11/10/1994 | CA2138526A1 Method of operating a combination radiotelephone and paging device |
11/09/1994 | EP0624021A2 Portable telephone set with an earphone |
11/09/1994 | EP0624020A1 Device for continuously monitoring a telephone line integrity |
11/09/1994 | EP0624003A2 Wireless telephone set |
11/09/1994 | EP0623976A2 Module for telephone line conductor pair having single protector unit |
11/09/1994 | EP0623267A1 Modular subscriber apparatus |
11/09/1994 | CN2182499Y Multi-function long-distance telephone enciphering device |
11/08/1994 | US5363444 Unidirectional ear microphone and method |
11/08/1994 | US5363437 Telephone dialing device and the operating method thereof |
11/08/1994 | US5363436 Remotely programmable, vandal-resistant voice communications unit |
11/08/1994 | US5363434 Audio distribution system |
11/08/1994 | US5363430 Cordless telephone apparatus having a low power stand-by mode and a hold mode |
11/08/1994 | US5363429 Radio telephone device capable of identifying an interrupting caller and telephone system using the same |
11/08/1994 | US5363089 Electronic device having multi-position hinged mechanism |
11/08/1994 | CA2120402A1 Module for telephone line conductor pair having single protector unit |
11/08/1994 | CA2051388C Analog/digital voice storage cellular telephone |
11/08/1994 | CA2045176C Communications device with movable element control interface |
11/08/1994 | CA2032163C Cellular telephone with standard telephone set |
11/08/1994 | CA2021797C Apparatus for control of storing information into dial memories in a telephone set |
11/03/1994 | DE4313711A1 Handset with a listening area and a speaking area |